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HCD-EC68P/EC78P

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1. This manual mainly explains operations using the remote but the same operations can also be performed using the buttons on the unit having the same or similar names Before using the system To use the remote Slide and remove the battery compartment lid 22 and insert the two R6 size AA batteries supplied side first matching the polarities shown below Notes on using the remote e With normal use the batteries should last for about six months Do not mix an old battery with a new one or mix different types of batteries e If you do not use the remote for a long period of time remove the batteries to avoid damage from battery leakage and corrosion Batteries installed devices shall not be exposed to excessive heat such as sunshine fire or the like To set the clock 1 Turn on the system Press 1 on standby 1 to turn on the system 2 Select the clock set mode Press TIMER MENU 19 The hour indication flashes If PLAY SET flashes press 24 repeatedly to select CLOCK and then press C enter 20 3 Set the time Press 24 repeatedly to set the hour then press enter 20 The minute indication flashes Use the same procedure to set the minutes
2. LI LI LI LI LI LI LI LI LI LI LI O LI LI LI LI LI LI LI LI LI LI I MB90F831PF G SPE1 SEG2 REGULATOR KTA1273 X1A Sa Mm 166 vss 8 0310 C320 220 GENE gum 2863052 IO CD BUS0 SEG1 LI I O CD BUS2 CMO3 Fl bes un ii ane bi _ _____ LI 5 O TU DI 4 z 22 O TU CLK O CD BUCK E 4 O TU CLK a DR 8 9 BV 9 i G Q311 318 O LED STBV 3 MOTOR DRIVE l USB TXD gt 5 em 631 s I DMP TXD 9 u b lt 9 l USB DO 8 lu E E S uu I DMP 5V DET a 4 a mo 49 ARA 51 85 00 22 x 3 OUSBRD 2 Q 6 8 2 E 5 2 um 8 amp 3 200022009292000002 N N di I 0 ol of 2 I SW3 CDM CLOSE im MES CHACK 211 94 4 em R420 100k mW 11 0332 001 3 LI C330 04 C348 470p 5 D304
3. C051 C052 CN051 CN053 D051 D052 D055 PT001 PT001 PT002 A RY001 RY002 1 165 621 91 1 164 156 11 1 819 972 11 1 793 660 11 6 500 334 01 6 500 335 01 6 500 335 01 1 443 846 11 1 443 912 11 1 445 105 11 1 755 334 11 1 755 496 11 PT BOARD KK K K K K K K K lt CAPACITOR gt CERAMIC CHIP 0 1uF 50V CERAMIC CHIP 0 1uF 25V lt CONNECTOR gt HOLDER CABLE 8P PIN CONNECTOR PC BOARD 3P lt DIODE gt DIODE MC2836 T112 1 DIODE MC2838 T112 1 DIODE MC2838 T112 1 lt TRANSFORMER gt TRANSFORMER POWER EC68P US EC78P US CND TRANSFORMER POWER EC78P UK TRANSFORMER POWER EC68P AUS lt RELAY gt RELAY AC POWER EC68P US EC78P RELAY EC68P AUS R 7 7 7 gt OR RR KOR 0698 601 W610 1 100 566 91 8 759 231 56 1 824 027 21 REG BOARD gt gt K 7 7 lt CAPACITOR gt CERAMIC CHIP 0 1uF 10 25V lt C gt IC TA7809S lt CABLE HOLDER gt HOLDER CABLE 3P 7 7 7 gt 63 HCD EC68P EC78P Ref No 57 60 101 106 106 106 107 107 108 152 153 201 206 207 251 256 257 M601 M601 PT003 PT003 PT004 PT004 S201 Part No 1 835 338 21 1 831 774 21 1 835 336 21 1 832 838 21 1 769 744 81 1 834 967 21 1 834 978 11
4. A WW202 UI 2377 D R370 R p 358 O 356 E 0318 77 P aR I W E 5 7 Wi A 2 0311 R351 e ates 04 Z MS Z A s A R346 R348 O Hi N 1 875 490 EC78P UK T BOARD Page 38 W36 HCD EC68P EC78P 36 36 HCD EC68P EC78P 6 14 SCHEMATIC DIAGRAM PANEL Board See page 39 for waveforms See page 42 for IC Block Diagrams See page 43 for IC Pin Function Description A PAN E L BOARD LIQUID CRVSTAL DISPLAY EXE Ei TP301 R301 100 O TU CE TU 1 E TP302 R302 100 O TU DI O TU DI 2 R303 100 O TU CLK O TU CL x302 TP304 R304 100 l TU ANSD l TU ANSD TP305 R305 100 l TU DO 12 X Xs Xe X Xe Xo Nea Nis Yz Ye 2 Yes Yea Yes Ye 82 Yos Yee l O I2C DATA TP307 R307 100 O SW ONIl TP STATE B O SW ONILTP STATE 7 A A TP308 R308 100 VO I2C CLK 9 sai 2 8 6 5 TP309 R309 100 5V ON O TP REC MUTE N PONER TP310 R310 100 O POWER Q302 304 9 R311 100 l DMP DET O USB RST FAREGULATOR D303 8 1 3 9 MC2836 TP312 R312 100 O DR MUTE Ka ka a TP313 10 13 100 O AMP ON 113 1271Y Exi KTA1271Y AT 1 MAIN BE TP314 R314 100 O C
5. Ref No R407 R408 R409 R410 R411 SW306 SW306 SW307 SW307 SW308 SW308 SW309 SW310 Part No 1 216 825 11 1 216 826 11 1 216 828 11 1 218 867 11 1 216 835 11 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 HCD EC68P EC78P Description KEY CD BOARD gt KK lt RESISTOR gt METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP lt SWITCH gt 2 2K 2 7K 3 9K 6 8K 15K 5 5 5 0 5 5 Remark 1 10W 1 10W 1 10W 1 10W EC78P UK 1 10W EC78P UK SWITCH TACTILE CD EC68P EC78P US CND SWITCH TACTILE DISC 1 EC78P UK SWITCH TACTILE DMPORT EC68P EC78P US SWITCH TACTILE DISC 2 EC78P UK SWITCH TACTILE 4 EC68P EC78P US SWITCH TACTILE DISC 3 EC78P UK SWITCH TACTILE 4 EC78P UK SWITCH TACTILE DISC SKIP EX CHANGE EC78P UK SW301 W401 C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C116 C119 C119 C120 C120 C123 C124 C125 C126 C128 1 771 410 21 1 824 027 21 1 126 960 11 1 126 960 11 1 164 315 11 1 164 315 11 1 162 927 11 1 162 927 11 1 126 947 11 1 126 947 11 1 162 908 11 1 162 908 11 1 162 968 11 1 126 968 11 1 128 576 11 1 126 968 11 1 128 576 11 1 165 621 91 1 165 621 91 1 100 566
6. A A l pe SW310 sw309 Sw308 SW307 SW306 Page 37 cc 1 9 B i lgXcHANGE 46 Discs 0802 0667 de em i EC68P EC78P US CND re 4 MAIN BOARD umama w m w w w m w w w m m w 1 1 KEY POWER BOARD i KEY POWER BOARD 37 110 BOARD STANDBY CN306 5 D 14 O NO 1 875 491 TT J491 Roo 39 1 K l LI x i JACK BOARD EM 19 D AUDIOIN O 7200077 O 1 AUDIO L 2 lt lt O TP492 iu Poses AuploR 17493 25k 5 i Page 30 HP GND TP494 J492 E TP495 O ih ja SN NG 5 TP497 2 1 Page 31 TP498 1 c C496 C495 C491 O lo GND 1000p 1000p 4 TA 1 REG BOARD 9 REGULATOR IC601 TA7809S HCD EC68P EC78P 38 38 6 17 PRINTED WIRING BOARD MOTOR Board EC68P EC78P US Canadi
7. G JW009 004 EC68P AUS _ A PT001 EC68P US EC78P Co51 EC68P US EC78P su POWER TRANSFORMER esi a gt TA Zx o RY001 RY002 p LT O O O O o UM l O 2 Z _ _ eee SS EC68P AUS EC68P AUS PT002 AUS AN SUB POWER TRANSFORMER D051 RELAV ON OFF V STBY D AC DETECT 2 B ER Ru KAKA d Ed d d gt z BUILD IN TRANSFORMER NOT REPLACEABLE CN053 VH AC 3P VLAC BOARD pu CN604 VH AC C052 0 1 F je JAAN T EC78P MAIN POWER TRANSFORMER CHASSIS m m LI LI 12 E 3 G i HCD EC68P EC78P 41 41 HCD EC68P EC78P e C Block Diagrams CD Board 201 TK63115SCL G GT THERMAL OVER CURRENT PROTECTION VOLTAGE REFERENCE ON OFF CONTROL MAIN Board IC602 BD3499FV E2 INVERTER TREBLE BASS SURROUND 23 OUTI HCD EC68P EC78P IC401 58265
8. N 5 im m 0 N 2 R623 x 666 S 1 _ 4 C b rl T 6 R648 SL 5 61 h i n 6 FI 641 4 2 i J my Q a 1 pi R64 i 24 LI B 0 gt e E J JU BEGG 1 H 4611 JVV 28 1111 1 82 4 12272 SSeS we DMP BOARD UN a aa J T9 28 COMPONENT SIDE DMP BOARD CONDUCTOR SIDE N7nn 6 6 SCHEMATIC DIAGRAM MAIN Section 1 3 FAN EC78P SPEAKER HIGH FREG IMPEDANCE USE 802 SPEAKER LOW FREG IMPEDANCE H USE 80 SPEAKER IMPEDANCE USE 60 EC68P HCD EC68P EC78P N 1 T m MAIN BOARD 1 3 CN601 3P TP601 R605 15 EC78P US CND 56 EC68P EC78P UK ON 3 2 601 WE s iE R726 R725 R724 Q603 2SC3052F T1 LF as D622 MAZ8082GMLSO O N 16 6 15 15 15 JW750 JW751 O O O O R626 10k Q601 602 FAN MOTOR DRIVE Q602 2SC3052F T1 LF D621 MAZ8043GMLSO R630 47k ET601 2 602 R648 47k R651 4 7k R638 68 R641 68 D604 MA2J1110GLS0 R650 4 7k R727 4 7k JW752 O O ISA1235AC1T
9. FM slice level output terminal eference voltage 1 65V output terminal Co lt CO m xternal resistor connection terminal Reference voltage 1 65V output terminal for automatic power control circuit Low pass filter terminal for RFEQO offset correction CO N RF signal amplitude adjustment amplification input terminal RF signal generation amplification output terminal RVDD3 Power supply terminal 3 3 V Laser diode on off control signal output to the automatic power control circuit 91 LDo laser diode MDi Light amount monitor input from the laser diode of optical pick up block cO O RVSS3 FNi2 C FNi1 A FPi2 D FPi1 B TPi F round terminal cO Main beam C input from the optical pick up block Main beam A input from the optical pick up block ain beam D input from the optical pick up block cO ain beam B input from the pick up block Sub beam F input from the optical pick up block External capacitor connection terminal A 2 U O 0 TNi E Sub beam E input from the optical pick up block 4 HCD EC68P EC78P PANEL BOARD IC301 MB90F831PF G SPE1 SYSTEM CONTROLLER PinNo PinName 110 Deseription SEG32 E segment drive signal output to the liquid crystal display 7 O AMP ON 0 Relay drive signal output terminal for speaker O POWER Main power on
10. MF Error rate indication BDT ERR 00000000 Non 00 AL 01 RW Fix 02 19 HCD EC68P EC78P CD SERVICE MODE This mode can move the SLED of the optical pick up and also can turn the optical pick up laser power on and off Procedure 1 Press the I 5 button to turn the power on 2 Press three buttons of CD B TUNING B PPI and DISPLAY simultaneously Press the FUNCTION button to select CD function It enters the CD service mode and displays SERVICE 5 To exit from this mode press three buttons of CD TUN ING PPI and DISPLAY simultaneously DU Key Operation TUNING gt gt PPI Md lt lt TUNING Use these keys to move the SLED When TUN ING DDI is pressed in this mode the SLED moves to outer circumference and the message SLED OUT is displayed When KIK 44 TUNING is pressed in this mode the SLED moves to inner circumference and the message SLED IN is displayed DISPLAY Use this key to turn the optical pick up laser power on and off When the laser power is turned on the message LD ON is displayed When the laser power is turned off the message LD OFF is dis played CD ERROR CODE The past errors of the CD mechanism CDM are displayed as the CDM Errors and those of the optical pick up system optical unit CD board are displayed as the BD Errors as shown below Procedure 1 Press
11. MA2J1110GLS0 EC78 BAS9S6AN 6 R392 LI 5 MOTOR DRIVER 3 J dE 5 i q F u uj lt 5 fal 8 5 d 9 2144 414 8 8 8 O M1 CDM M 9 3 5 b 8 5 9 JE 6 X 6 2 Q O MIHCDMAME R389 1k EC68P EC78P US CND H 5 6k EC78P UK MOTOR 2 BOARD 1N4002B uon R391 KI Page39 DS 779 Page 38 LI KEY POWER BOARD W401 LI 1 2k KEY CD A ae SW305 SW303 R387 cH sm 38 TUNING NJL24H400B a RAIS R 22k BK HKEY1 1 vcc O O O iid Q i og M 37 17 17 17 1 7 17 17 2 4 NDS SW318 SW317 SW316 SW315 SW314 SW313 SW312 SW311 SW319 wa CT 2 p za aa az ja ja aa a kama zi J HCD EC68P EC78P HCD EC68P EC78P 6 15 PRINTED WIRING BOARDS KEY Section 6 16 SCHEMATIC DIAGRAM KEY Section See page 27 for Circuit Boards Location ar Uses unleaded solder
12. The program remains available until you open the disc tray To play the same program again select the CD function and then press B 4 To cancel Program Play Press PLAY MODE 15 repeatedly until disappears while the player is stopped To delete the last track or file of the program Press CLEAR 18 while the player is stopped To view program information such as total track number of the program Press DISPLAY 6 repeatedly Presetting radio stations You can preset your favorite radio stations and tune them in instantly by selecting the corresponding preset number 1 Tunein the desired station See Listening to the radio 2 Press TUNER MEMORY 25 Preset number TUNED ST 3 Press or TUNING on the unit repeatedly to select your desired preset number N If another station is already assigned to the selected preset number the station is replaced by the new stations 4 Press 20 5 Repeat steps 1 through 4 to store other stations You can preset up to 20 FM and 10 AM stations The preset stations are retained for about half a dav even if you disconnect the power cord or if a power failure Occurs 6 To call up a preset radio station press TUNING MODE 15 repeatedly until PRESET appears and then press or TUNING on the unit 2 repeatedly to select the desired prese
13. 0 insulator 0 two springs insulator b t insulator base uni insulator 3 CD mechanism block 14 HCD EC68P EC78P 3 10 1 CD MECHANISM BLOCK EC68P EC78P US Canadian Q PT block Q connector two screws 053 BVTP4 x 12 h a E P3 x 10 flexible flat cable 21 core CN201 two screws BVTP4 x 12 1 CD mechanism block Q flexible flat cable 5 core 001 3 11 BASE UNIT EC68P EC78P US Canadian floating screw 0 insulator two floating screws springs insulator two floating screws At 7 gt 0 insulator two springs lt il Q base unit 0 insulator 0 insulator loading BK assy Bottom view 15 HCD EC68P EC78P 3 12 BELT EC68P EC78P US Canadian position of belt 4 tray 3 13 BELT EC78P UK position of belt 16 HCD EC68P EC78P 3 14 OP BASE ASSY KSM 213D op base assy KSM 213D flexible flat cable 16 core CN301 ms CD board Remove four solders 17 HCD EC68P EC78P SECTION 4 TEST MODE COLD RESET The cold reset clears all data including preset data stored in the memory to mitial conditions Execute this mode when returning the set to the customer Procedure 1 In the standby status press the I button to turn the power on 2 Press three buttons of W FUN
14. Note The clock settings are lost when you disconnect the power cord or if a power failure occurs Adjusting the sound To adjust the volume Press VOLUME or turn the VOLUME control on the unit 16 To add a sound effect To Press DSGX 14 on the unit Generate a more dynamic sound Dynamic Sound Generator X tra Set the sound effect EQ 114 Playing a CD MP3 disc 1 Select the CD function Press FUNCTION or FUNCTION on the unit 5 repeatedly 2 Place a disc Press 4 open close 8 the unit and place a disc with the label side up on the disc tray To place additional discs slide the disc tray with your finger as shown below To close the disc tray press amp open close 8 on the unit Do not force the disc tray closed with your finger as this may damage the unit 3 Select a disc If the discs are currently stopped press DISC SKIP 13 To change discs while in other functions press DISC 1 3 9 on the unit 4 Start playback Press B play 4 To exchange other discs during playback press EX CHANGE 13 on the unit To Press Pause playback 11 pause 4 To resume play press the button again stop 4 select folder 171 Stop playback Select a folder on an MP3 disc Select
15. ma m m ma ms m NEE m w m w HCD EC68P EC78P 6 11 PRINTED WIRING BOARD LOW AMP Board See page 27 for Circuit Boards Location e hr Uses unleaded solder _ 0 2 3 4 LOW AMP BOARD 0103 CN102 2o a BOARD CN603 Page 30 MAIN BOARD CN633 Page 30 1 875 495 6 12 SCHEMATIC DIAGRAM LOW Board 1 2 3 4 5 6 7 6 9 EE EC68P EC78P UK EC78P US CND i LOW BOARD A in 116101 14 IC102 POWER AMP POWER AMP T IC101 IC102 STK433 060 6788 STK433 090 E STK433 070 EC78P UK EC78P US CND Q101 102 OVER LOAD DETECT D101 MC2838 T112 1 220 220 R128 R126 R127 R125 220 220 1k R110 8 5 gt s per R105 106 gt 4 7k EC68P 22k EC78P Or R103 104 220 EC78P US CND 1 8k EC78P UK 3 3k EC68P MAIN CN633 CN603 Page 31 100 47009 Page 31 HCD EC68P EC78P HCD EC68P EC78P 6 13 PRINTED WIRING BOARD PANEL Board See page 27 for Circuit Boards Location hr Uses unleaded solder e Semiconductor l estjoni 1 j 2 3 4 5 6 L ti a PANEL BOARD IN LCD301 swso3 ao5 LIQDID CRYSTAL DISPLAY SW311 319 27 2 dd 2 hd hh
16. 60 MS Microcomputer interface mode selection signal input terminal Fixed at in this set 43 HCD EC68P EC78P Description Digital audio data output terminal Not used DOUT 800 AOUT BCK LRCK 809 4 BCKi PI5 LRCKi PI6 VDD1 S AWRC PVDD3 N udio data output terminal Not used m Bit clock signal output terminal Not used O L R sampling clock signal output terminal Not used igital audio data input terminal Not used O N Bit clock signal input terminal Not used N L R sampling clock signal input terminal Not used ower supply terminal 1 5 V round terminal lt N N 0 ot used N U ower supply terminal 3 3 V hase error margin signal between EFM signal and PLCK signal output terminal 4 Q TMAKS TMAK LPFN LPFo PVREF VCOF PVSS3 SLCo F RFRPi RFEQo R RESIN VMDIR TESTR Fo TMAX detection signal output terminal Not used N MAX detection signal output terminal N nverted signal input from the operation amplifier for PLL loop filter ignal output from the operation amplifier for PLL loop filter 4 NIO Reference voltage 1 65V input terminal lt CO filter output terminal N cO Ground terminal FM slice level output terminal 00 RF signal input terminal 00 N RF ripple signal input terminal 00
17. eroundtemina 34 Vpp1 Power supply terminal 1 5 I s 35 VDDMi Powersupply terminal 1 5V I C 36 SRAMSTB S RAM standby mode control signal input terminal Fixed at L in this set 37 XRT Reset signal input from the system controller L reset 38 39 _ BUSO BUS Serial data input from the system controller T 40 BUSZ SO 1 Serial data input from the system controller 41 BUSS S Serial data input from the system contoler 42 BUCK CLK Serial data transfer clock signal input from the system controller 43 XCCE Chip enable signal input from the system controller S 44 TEST Setting terminal for test mode Nommalyfxedat L 45 IRQ 1 Interruptreguestsignalinputterminal Notused 46 AoUT3 PO4 Request signal output terminal Notused UI I T __ 47 AoUT2 POS O Audio data output terminal Notused 48 Request signal output to the system controller 4950 2 O 00000000 l Gate signalinput terminal 52 VSS1 Groundterminal 53 VDDT3 Power supply terminal 33 54 SBSV Subcode block syne signal output to the system controller 55 SBOKFOK O Notused 56 ru l Cl Cl Cl 25 SFSYLOCK O Notued 0 0 S SS s s s s s s s s s 58 ZDET 0 Zero detection signal output terminal Notused I 59 PN 1 Noued
18. 0 1uF 100uF 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF 22uF 0 1uF 0 022uF 0 01uF 0 022uF 0 01uF 470PF 470PF 0 0047uF 0 0047uF 0 1uF 0 0022uF 5PF 5PF 0 1uF 0 1uF 47PF 0 01uF 470PF 0 01uF 0 01uF 0 0022uF 0 1uF 0 01uF 0 1uF 0 01uF 470PF 0 1uF SECTION 8 ELECTRICAL PARTS LIST RESISTORS All resistors in ohms METAL Metal film resistor METAL OXIDE Metal oxide film resistor F nonflammable SEMICONDUCTORS In each case u for example uA HA UuPA UPA uPB uPB uPC UPD Abbreviation AUS Australian model CND Canadian model Remark Ref No C148 C149 C150 C151 16V C152 16V C153 16V C201 16V C202 16V C204 16V C205 20 10V C206 16V C207 16V C301 16V C302 16V C303 16V C306 16V C307 20 6 3V C309 16V C401 10 25V C403 10 25V C404 10 25V C405 10 25V 5 50V 5 50V CN201 10 50V CN301 10 50V 10 16V 10 50V IC101 0 25PF 50V IC201 0 25PF 50V IC401 16V 10 16V 5 50V Q301 10 25V 5 50V 10 25V 10 25V R101 10 50V R102 R104 10 16V R105 10 25V R106 10 16V 10 25V R108 5 50V R110 R111 10 16V R112 Part No 1 162 923 11 1 162 919 11 1 162 964 11 1 164 315 11 1 164 315 11 1 164 360 11 1 128 995 21 1 128 995 21 1 164 360 11 1 164 360 11 1 165 908 11 1 165 908 11 1 164 360 11 1 137 710 91 1 137 710 91 1 128 995 21 1 165 908 11 1 162 964 11 1 128 394 11 1 164 360 11 1 164 360
19. 2 VO1 D BUFF vor lt D BUFF IN1 3 RESET 4 4 THERMAL SHUT DOWN REGULATOR BIAS TRAP nc O 5 LU nc REGB REGOUT MUTE 7 GND 8 IN2 IN2 10 VO2 11 VO2 GND 13 OPOUT 14 IC701 BD9701CP V5 REGULATOR VOLTAGE REFERENCE 42 801 LV23003VA AM RF IN 1 REG 2 FM MIX 3 GND1 4 AM MIX 5 VCC1 6 AMIF IN 7 FMIF IN 8 AM OSC LOW PASS FILTER AMDET OUT PIROT 9 10 FM DET 11 L OUT 12 R OUT 13 vss 14 UNIVERSAL COUNTER DATA SHIFT CE REGISTER DI LATCH CL 23 FMDET OUT PROGRAMMABLE DIVIDER SWALLOW COUNTER PANEL Board IC303 BA6956AN 42 UNLOCK DETECTOR 22 MPX IN HCD EC68P EC78P e IC Pin Function Description CD BOARD IC101 TC94A70FG 006 D HZ CD MP3 PROCESSOR PinNo PinNam 10 Deseription 1 AVSS3 Grudtemia 0000000000000 2 1 RF ripple zero crossing signal input terminal U RFRP O ripple signal output terminal ____________ 4 SBAD RFDC 0 Sub beam addition signal or RF peak detection signal output terminal Notused 5 FE Focus error signal output terminal 6 TE Tracking error signaloutputtemina III 7 TE Tracking error zero crossing signal input t
20. DETECTOR COO 9 09 X801 75kHz CD MP3 PROCESSOR OPTICAL PICK UP BLOCK IC101 KSM 213DCP 5 R CH gt ed l TU ANSD EC78P UK CD MECHANISM AUTOMATIC POWER BUSO 38 17 I O CD BUSO O 3CD M1 O CDM M1 2 CONTROL BUS1 39 18 l O CD BUS1 O 3CD M1 O CDM M1 DRIVE Q301 40 19 O CD BUS2 0 3CD M2 NC Q311 318 41 20 I O CD BUS3 O 3CD M2 NC 42 25 O CD BUCK FOCUS TRACKING COIL DRIVE SLED SPINDLE MOTOR DRIVE I 3CD CHACK 3CD STOCK l ICD CLOSE OPEN NC S201 LIMIT IOO HSO 20 _ o Oe ee eee 4 SYSTEM CONTROLLER EC68P EC78P US Canadian XO IC301 1 2 m 102 R ch is omitted due to same as L ch SIGNAL PATH x CD 16 9344MH MOTER M001 2 XI 23 ni LOADING Ea OPEN S001 DISC TRAY CLOSE NOPEN CLOSE DETECT 23 O DR MUTE mp AV 222 CD PLAY HCD EC68P EC78P 25 25 HCD EC68P EC78P 6 2 BLOCK DIAGRAM MAIN Section INPUT SELECTOR ELECTRICAL VOLUME IC602 OUT L 19 POWER AMP IC101 EC68P EC78P UK 4 TUNER L A TUNERL gt SELL gt 6 CD L CDL 8 AUDIO L VOL L 12 LCD301 LIQUID CRVSTAL DISPLAY X301 X302 32 768kHz 6MHz CN901 DMPORT 49X50 02 93 2 lt SEGO SEG32 T e 1 i LINE cm d L gt
21. HCD EC68P EC78P 65 HCD EC68P EC78P REVISION HISTORY Checking the version allows you to Jump to the revised page Also clicking the version at the top of the revised page allows you to Jump to the next revised page Ver Date Description of Revision
22. 2 5 flexible flat cable 31 core CN803 5 G L gt gt 5 g er 5 52 gt gt CQ 2 DR 5 GS Q E 201 gt 18 lt s BACK PANEL BLOCK 3 7 5 N QO S gt o f a connector CN601 A Q two screws BVTP3 x 10 Q four screws BVTP3 x 10 Q two screws BVTP3 x 10 N JA AG N NOX N S NAY ANN NG WY gt N NN amp RP G O 2 N X 5 s a gt back panel block Q Cut the clamp Note Please do not forget fixation by clamping when you install the power cord t3 HCD EC68P EC78P 3 8 3 CD MECHANISM BLOCK EC78P UK Q flexible flat cable 21 core MAIN board CN608 CD board CN201 Q 3 CD mechanism block Q four screws flexible flat cable BVTP3 x 10 13 core two tapes Note When installing the CD mechanism section install two tapes for prevention of noise cover DLM3 Q two screws BVWH 4 3 9 BASE UNIT EC78P UK two screws PTPWHM2 6 0 insulator NG 0 two springs s insulator Q two screws 2 6
23. Do not connect or disconnect the DIGITAL MEDIA PORT adaptor to from the DMPORT 9 while the system is on When using a DIGITAL MEDIA PORT adaptor that has video output function connect the adaptor directly to the TV For details about the DIGITAL MEDIA PORT adaptor refer to the operating instructions supplied with your DIGITAL MEDIA PORT adaptor Other Operations Creating your own D program Program Play Use buttons on the remote to create your own program 1 Press FUNCTION 5 repeatedly to select the CD function Press PLAY MODE 113 repeatedly until appears while the player is stopped Press H 2 repeatedly until the desired track number appears N When programming MP3 files press 7 repeatedly to select the desired folder and then select the desired file Selected track or file number Total playing time of the selected track 4 Press C 1181 to add the track or file to the program 5 Repeat steps 3 through 5 to program additional tracks or files up to a total of 25 tracks or files 6 To play your program of tracks or files press B 4 The program remains available until you open the disc tray To play the same program again select the CD function and then press B 4 To cancel Program Play Press PLAY MODE 13 repeatedly until PGM disappe
24. Ver 1 0 2008 03 HCD EC68P is the amplifier CD player and tuner section in MHC EC68Pi HCD EC78P is the amplifier CD player and tuner section in MHC EC78Pi Model Name Using Similar Mechanism Photo HCD EC78P Mechanism Type HCD ECOOP ECTOP SERVICE MANUAL US Model HCD EC68P EC78P Canadian Model UK Model HCD EC78P Australian Model HCD EC68P CDM77B K6BD90 WOD NEW CDM88A K6BD90 WOD HCD EC68 Except EC78P UK EC78P UK CDM77B K6BD90 WOD CDM88A K6BD90 WOD Base Unit Name BU K6BD90 WOD Optical Pick up Block Name KSM 213DCP Main unit AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION HCD EC78P The United States model only Low channel With 8 ohm loads both channels driven from 120 10 000 Hz 60 watts per channel minimum RMS power with no more than 0 796 total harmonic distortion from 250 milliwatts to rated output High channel With 8 ohm loads both channels driven from 2 000 13 000 Hz 60 watts per channel minimum RMS power with no more than 0 796 total harmonic distortion from 250 milliwatts to rated output AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION HCD EC68P The United States model only With 6 ohm loads both channels driven from 120 10 000 Hz 40 watts per channel minimum RMS power with no more than 0 796 total harmonic distortion from 250 milliwatts to rated output Amplifier section HCD EC78P U
25. e Available DIGITAL MEDIA PORT adaptors vary in each area Do not connect an adaptor other than the DIGITAL MEDIA PORT adaptor Do not connect or disconnect the DIGITAL MEDIA PORT adaptor to from the DMPORT 10 while the system is on When using a DIGITAL MEDIA PORT adaptor that has video output function connect the adaptor directly to the TV For details about the DIGITAL MEDIA PORT adaptor refer to the operating instructions supplied with your DIGITAL MEDIA PORT adaptor Other Operations Creating vour own CD program Program Plav Use buttons on the remote to create vour own program 1 Press FUNCTION or FUNCTION on the unit 5 repeatediv to select the CD function Press PLAY MODE 15 repeatedly until appears while the player is stopped Press DISC SKIP 13 to select a disc 4 Press 4 gt gt or KKI on the unit 2 repeatedly until the desired track number appears N When programming MP3 files press DJ 7 repeatedly to select the desired folder and then select the desired file Selected track or file number Total plaving time of the selected track 5 Press 20 to add the track or file to the program 6 Repeat steps 3 through 5 to program additional tracks or files up to a total of 25 tracks or files 7 To play your program of tracks or files press B 4
26. limitless times Procedure 1 Press the I D button to turn the power on 2 Press the FUNCTION button to select CD function 3 Press three buttons of DISPLAY BI and IX lt lt TUN ING simultaneously 4 It enters the CD repeat 5 limit cancel mode and displays NO LIMIT 5 To release this mode press the I 5 button to turn the power off CD SHIP MODE This mode can run the CD sled motor optionally Use this mode for instance when cleaning the optical pick up Procedure Press the 1 D button to turn the power on Confirm there is no disc in all trays Press the FUNCTION button to select CD function Press two buttons of CD We and 1 05 simultaneously Set to the CD ship mode chucking on After blink STANDBY LOCK is displayed disconnect the AC plug Hc ee 18 CD TRAY LOCK This mode is for the antitheft of CD disc in shop not for trans port Procedure 1 Press the I D button to turn the power on 2 Press the FUNCTION button to select CD function 3 Insert a disc 4 While pressing Bl button press the 4 button for more 5 seconds 5 The message LOCKED is displayed and the disc tray is locked Even if exiting from this mode the disc tray is still locked 6 Ifpress the 4 button to eject the disc the message LOCKED is displayed and can not eject the disc 7 To release this lock while pressing the Bl button press 4 b
27. 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK Ref No R346 R347 R348 R349 R350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 R381 R382 R383 R384 R385 Part No 1 216 841 11 1 216 817 11 1 216 841 11 1 216 817 11 1 216 841 11 1 216 817 11 1 216 841 11 1 216 817 11 1 216 841 11 1 216 821 11 1 216 821 11 1 216 841 11 1 216 841 11 1 216 821 11 1 216 821 11 1 216 841 11 1 216 837 11 1 216 837 11 1 216 837 11 1 216 837 11 1 216 833 11 1 216 837 11 1 216 833 11 1 216 821 11 1 216 821 11 1 216 821 11 1 216 821 11 1 216 864 11 1 216 821 11 1 216 864 11 1 216 833 11 1 216 833 11 1 216 839 11 1 216 843 11 1 216 817 11 1 216 833 11 1 216 833 11 1 216 833 11 1 216 833 11 1 216 821 11 Description METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CH
28. 20 20 10 10 20 20 20 10 10 20 5 5 5 5 5 5 5 Remark 50V 50V 50V 50V 50V 16V 10V 10V 16V 16V 10V 10V 16V 6 3V 6 3V 10V 10V 50V 10V 16V 16V 16V 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 53 HCD EC68P EC78P Ref No R113 R114 R118 R120 R125 R126 R127 R128 R129 R130 R134 R135 R136 R139 R140 R142 R143 R144 R145 R146 R147 R148 R149 R150 R151 R153 R154 R155 R156 R157 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R218 R219 R220 R221 R222 R223 R301 R302 R303 R304 R402 R405 R408 R414 R415 54 Part No 1 216 833 11 1 216 833 11 1 216 845 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 853 11 1 216 821 11 1 216 829 11 1 216 857 11 1 216 853 11 1 216 837 11 1 216 841 11 1 216 864 11 1 216 837 11 1 216 841 11 1 216 837 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 857 11 1 216 857 11 1 216 805 11 1 216 809 11 1 216 809 11 1 216 295 91 1 216 295 91 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 845 11 1 216 845 11 1 216 845 11 1 216 845 11 1 216 845 11 1 216 845 11 1 216 845 11 1 216 864 11 1 216 789 11 1 216 789 11 1 216 825 11 1 216 833 11 1 216 825 11 1 216
29. D628 D629 D630 D631 D701 D791 D801 D802 D803 D804 D805 D806 2 m N N OO NOONA n O O G N Wr WT wm Re AB 3 5453 ML 89 67 2 9 86011 ju 70 DE29 rsa pO w 0995 6 IC602 M 2 M IC701 H nig iji B IC770 iad es sa 24 RT i Yi IC801 L Q601 Q602 Q603 Q604 Q605 Q606 Q608 Q611 Q612 0618 0619 0622 0624 0761 0762 0801 0802 NN lt 6 Ay 1 T E E 3 D E G F G H H B D D E E E D D D H H E F E B A B B B A B F G C pi D D G D D B D D D G E E 3 G B B A 41 40 O O O D629 p pnm E CN051 1 1 Page 35 Page 40 TA m ET 81152 3 5 39 3 D 55 ITI ITI m HCD EC68P EC78P 30 30 2 WA WA y EM SS M a I N UN Z s TA PN a gt 2 BY f m IN ka 28 0 9 al LI H 4 5 1 E at 5 HH il fl H 389000 WE H m mni L JH CN jar S di f EL 1 l nd gt MEME P U
30. D791 D801 D802 D803 D804 D805 D806 ET601 ET602 58 Part No 1 100 566 91 1 164 156 11 1 164 156 11 1 781 962 21 1 819 131 11 1 784 766 11 1 784 766 11 1 819 136 11 1 784 770 11 1 779 289 11 1 779 279 11 1 824 030 21 1 819 133 11 1 506 680 11 1 784 792 11 6 500 335 01 6 500 335 01 6 501 817 01 6 501 817 01 6 501 817 01 6 500 334 01 6 501 046 01 6 501 046 01 6 501 046 01 6 501 046 01 8 719 046 07 8 719 046 07 6 501 817 01 8 719 063 79 6 500 335 01 6 501 719 01 8 719 063 79 8 719 063 79 6 501 722 01 6 501 752 01 6 501 817 01 8 719 063 79 8 719 063 79 6 501 817 01 8 719 079 47 6 501 817 01 6 501 142 01 8 719 062 51 6 501 369 01 6 501 369 01 8 719 062 51 8 719 062 51 1 537 771 21 1 537 771 21 Description CERAMIC CHIP 0 1uF CERAMIC CHIP 0 1uF CERAMIC CHIP 0 1uF Remark 1096 25V 25V 25V lt FILTER gt FILTER CERAMIC lt CONNECTOR gt PIN CONNECTOR 3P CONNECTOR FFC 5P EC78P CONNECTOR FFC 5P PIN CONNECTOR 8P CONNECTOR FFC 9P CONNECTOR FFC LIF NON ZIF 21 CONNECTOR FFC LIF NON ZIF 11P HOLDER CABLE 5P EC78P PIN CONNECTOR PLUG CONNECTOR 2 5mm 3P ANTENNA FM AM CONNECTOR FFC 31P lt DIODE gt DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE
31. HIGH FREG IMPEDANCE 4 M601 FAN RECT D607 610 RECT D611 612 SYSTEM 3 3V lt VOLTAGE DETECT Q761 762 D303 4V 4 REGULATOR Q302 304 VOLTAGE DETECT Q305 306 EC78P D629 630 EC68P 26 26 RECT VSTBY D051 052 D055 USE 80 e R ch is omitted due to same as L ch SIGNAL PATH CD 222 CD PLAY gt AUDIO IN gt DMPORT e Abbreviation AUS Australian CND Canadian PT003 EC68P PT004 EC78P MAIN POWER TRANSFORMER RY001 EC68P US EC78P RY002 EC68P AUS B PT001 EC68P US EC78P PT002 EC68P AUS SUB POWER TRANSFORMER AC IN THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessarv note is printed in each block For Printed Wiring Boards Note e Parts extracted from the component side Parts extracted from the conductor side i indicated side identified with part number 5 A Internal component MI Pattern from the side which enables seeing The other layers patterns are not indicated Caution Parts face side Parts on the parts face side seen from Conductor Side the pattern face are indicated Pattern face side Parts on the pattern face side seen from Component Side the parts face are indicated ndication of transistor C These are
32. R390 R391 R391 R392 R396 R400 R401 R402 R405 R406 R412 R413 R414 R415 R416 R417 R418 R419 R420 R421 R422 R426 R428 R429 R433 R434 R435 R441 R442 R443 R444 R445 R446 R447 R448 S301 SW303 SW304 SW305 SW311 SW312 Part No 1 216 821 11 1 216 821 11 1 216 821 11 1 216 830 11 1 216 833 11 1 216 821 11 1 216 825 11 1 216 833 11 1 216 851 11 1 216 821 11 1 216 821 11 1 216 845 11 1 216 822 11 1 216 823 11 1 216 822 11 1 216 823 11 1 216 825 11 1 216 826 11 1 216 828 11 1 218 867 11 1 216 835 11 1 216 838 11 1 216 845 11 1 216 833 11 1 216 829 11 1 216 845 11 1 216 841 11 1 216 833 11 1 216 817 11 1 216 817 11 1 216 817 11 1 216 840 11 1 216 837 11 1 216 833 11 1 216 829 11 1 216 829 11 1 216 829 11 1 216 829 11 1 216 833 11 1 786 417 11 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 Description Remark METAL CHIP 1K 5 1 10W METAL CHIP 1K 5 1 10W METAL CHIP 1K 5 1 10W EC68P EC78P US CND METAL CHIP 5 6K 5 1 10W EC78P UK METAL CHIP 10K 5 1 10W EC78P METAL CHIP 1K 5 1 10W EC78P UK METAL CHIP 2 2K 5 1 10W EC68P AUS METAL CHIP 10K 5 1 10W EC68P EC78P US CND METAL CHIP 330K 5 1 10W METAL CHIP 1K 5 1 10W METAL CHIP 1K 5 1 10W METAL CHIP 100K 5 1 10W METAL CHIP 1 2K 5 1 10W METAL CHIP 1 5K 5 1 10W METAL CHIP 1 2K 5 1 10W METAL CHIP 1 5K 5 1 10W METAL CHIP 2 2K 5 1 10W METAL
33. US 5 7 685 247 14 SCREW KTP 3X10 TYPE2 NON SLIT 4 2 890 830 11 PANEL SIDE EC68P AUS EC78P UK 47 HCD EC68P EC78P 7 2 48 Part No 3 276 202 01 3 276 204 01 3 276 204 11 3 276 201 01 3 285 284 01 3 276 198 01 3 276 198 31 3 276 198 11 3 276 198 71 1452 956 1452 957 1418 862 FRONT PANEL SECTION not supplied Description Remark KNOB VOL RING VOL EC78P UK RING VOL EC68P EC78P US CND PLATE ORNAMENTAL EC78P UK PLATE ORNAMENTAL 1CD EC68P EC78P US WINDOW EC68P AUS WINDOW EC68P US WINDOW EC78P US CND WINDOW EC78P UK FRONT PANEL ASSY EC68P US FRONT PANEL ASSY EC68P AUS PANEL ASSY FRONT EC78P UK KEY POWER board 56 Part No A 1418 863 A 4 951 620 01 1 835 338 21 3 297 298 01 A 1379 659 A A 1379 717 A A 1426 107 A A 1426 165 A 1 831 774 21 4 225 252 01 1 835 336 21 A 1379 815 A 3 276 209 01 not supplied JACK HOLD board not supplied JACK board DMP gt Description Remark PANEL ASSY FRONT EC78P US CND SCREW 2 6X8 CABLE FLEXIBLE FLAT 31 CORE SHEET RM PANEL BOARD COMPLETE EC78P US CND PANEL BOARD COMPLETE EC68P US PANEL BOARD COMPLETE EC78P UK PANEL BOARD COMPLETE EC68P AUS CABLE FLEXIBLE FLAT 9 CORE CUSHION FOOT CABLE FLEXIBLE FLAT 11 CORE DMP BOARD COMPLETE BRACK
34. flashes press 22 repeatedly to select CLOCK and then press C enter 18 3 Setthe time Press 122 repeatedly to set the hour then press enter 18 The minute indication flashes Use the same procedure to set the minutes Note The clock settings are lost when you disconnect the power cord or if a power failure occurs Adjusting the sound To adjust the volume Press VOLUME or turn the VOLUME control on the unit 14 To add a sound effect To Press DSGX 12 on the unit Generate a more dynamic sound Dynamic Sound Generator X tra Set the sound effect EQ 12 Playing a CD MP3 disc 1 Select the CD function Press FUNCTION or FUNCTION on the unit 5 repeatedly 2 Place a disc Press 4 open close 8 on the unit and place a disc with the label side up on the disc tray To close the disc tray press amp open close 8 on the unit Do not force the disc tray closed with your finger as this may damage the unit 3 Start playback Press W play 4 To Press Pause playback 11 pause 4 To resume play press the button again stop 4 Stop playback Select a folder on an MP3 disc select folder 171 Select a track or f
35. x not supplied not supplied 2 not supplied HOLD PT board Remark Description MAIN BOARD COMPLETE EC78P US CND MAIN BOARD COMPLETE EC68P US MAIN BOARD COMPLETE EC78P UK MAIN BOARD COMPLETE EC68P AUS CABLE FLEXIBLE FLAT 5 CORE CABLE FLEXIBLE FLAT 5 CORE EC78P SCREW TRANSISTOR EC78P NG NN HI AMP board 7 154 gt lt Y Ref No PT003 PT003 PT004 PT004 1 3 4 not supplied Pari No 1 445 346 11 1 445 476 11 1 445 343 11 1 445 345 11 1 685 647 79 7 685 880 09 1 685 645 79 not supplied LOW AMP board not supplied not supplied PT003 EC68P PT004 EC78P not supplied PT board Description Remark TRANSFORMER POWER EC68P AUS TRANSFORMER POWER EC68P US TRANSFORMER POWER EC78P UK TRANSFORMER POWER EC78P US CND SCREW BVTP 3X10 TYPE2 IT 3 SCREW BVTT 4X6 S SCREW BVTP 3X6 TYPE2 IT 3 7 5 3 CD MECHANISM SECTION EC78P UK CDM88A K6BD90 WOD GS Ue DM Ref No 201 202 203 204 205 not supplied Pari No 1 797 193 12 2 632 062 11 4 221 045 31 4 221 549 31 4 985 672 01 Description Remark Ref No Part No MECHANICAL CD DLM3A A 206 A 4735 357 A BELT DLM3A 207
36. 1 215 890 51 1 216 864 11 1 215 890 51 1 216 821 11 1 216 821 11 1 216 841 11 1 216 845 11 1 216 833 11 1 216 833 11 1 216 864 11 1 249 401 11 1 249 401 11 1 216 833 11 1 216 833 11 1 216 841 11 1 216 837 11 1 216 837 11 1 216 829 11 1 216 842 11 1 216 837 11 1 216 838 11 1 216 825 11 1 216 833 11 1 216 829 11 1 216 821 11 1 216 833 11 1 216 821 11 1 216 829 11 1 216 833 11 1 216 833 11 1 216 829 11 1 216 813 11 1 216 813 11 1 216 833 11 1 216 821 11 1 216 809 11 1 216 821 11 1 249 403 11 1 249 403 11 1 249 403 11 1 216 837 11 1 216 809 11 1 249 395 11 1 249 395 11 1 249 395 11 1 216 829 11 1 216 829 11 1 216 845 11 HCD EC68P EC78P Description CARBON CARBON METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL OXIDE SHORT CHIP METAL OXIDE METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT CHIP CARBON CARBON METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP CARBON CARBON CARBON METAL CHIP METAL CHIP CARBON CARBON CARBON METAL CHIP METAL CHIP METAL CHIP 68 68 10K 1K 2 2K 100 10 47K 2 2K 4 7K 4 7
37. 1 834 181 21 1 835 334 21 1 832 666 21 1 831 744 21 1 835 276 21 1 797 193 12 A 4735 357 A 1 832 404 21 A 1242 967 A A 4735 357 A 1 832 404 21 1 787 400 11 1 787 631 11 1 445 346 11 1 445 476 11 1 445 343 11 1 445 345 11 1 771 853 11 Description Remark MISCELLANEOUS CABLE FLEXIBLE FLAT CABLE FLEXIBLE FLAT CABLE FLEXIBLE FLAT 11 CORE CABLE FLEXIBLE FLAT 13 CORE EC78P UK CORD POWER EC78P UK 31 CORE 9 CORE CORD POWER EC68P AUS CORD POWER EC68P US EC78P US CND CABLE FLEXIBLE FLAT 21 CORE EC78P UK CABLE FLEXIBLE FLAT 21 CORE EC68P EC78P US CND CABLE FLEXIBLE FLAT 5 CORE EC68P EC78P US CND CABLE FLEXIBLE FLAT 5 CORE CABLE FLEXIBLE FLAT 5 CORE EC78P MECHANICAL CD DLM3A EC78P UK BASE ASSY OP KSM 213D EC78P UK CABLE FLEXIBLE FLAT 16 CORE EC78P UK LOADING BK ASSY EC68P EC78P US CND BASE ASSY OP KSM 213D EC68P EC78P US CABLE FLEXIBLE FLAT 16 CORE EC68P EC78P US D C FAN EC68P EC78P UK FAN DC EC78P US CND TRANSFORMER POWER EC68P AUS TRANSFORMER POWER EC68P US TRANSFORMER POWER EC78P UK TRANSFORMER POWER EC78P US CND SWITCH DETECTION LIMIT 64 1 770 019 61 ACCESSORY gt gt ADAPTOR CONVERSION PLUG EC78P UK MEMO
38. 15K 10K 10K 3 9K 10K 15K 4 7K 4 7K 33K 10K 10K 33K 10K 4 7K 10K 4 7K 47K 10 100K 100K 56 56 56 4 7K 68 100K 100K 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W EC78P US CND 5 1 10W EC68P EC78P UK 5 5 5 5 5 5 5 5 5 5 5 5 5 1 10W EC78P 1710W EC78P 1710W EC78P 1710W 1710W 1 10W 1 10W 1 10W 1 10W 1 10W 1 1 0W EC68P 1710W EC78P UK 110W EC78P US CND 5 5 5 5 5 1 10W 1 10W 1 1 0W EC68P 1 10W EC78P UK 1 10W EC78P US CND 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 1 0W 1710W 1710W 1710W 1710W EC78P 1710W EC78P 1710W EC78P 14W EC78P 14W EC78P 14W EC78P 1 10W 1 4W 1 10W 1 10W Ref No R641 R642 R643 R644 R645 R646 R647 R648 R649 R650 R651 R652 R658 R660 R662 R663 R666 R667 R669 R670 R672 R673 R674 R675 R676 R677 R678 R681 R684 R685 R686 R687 R689 R690 R691 R692 R693 R696 R697 R700 R701 R702 R704 R706 R707 R708 R709 R715 R716 R717 R718 R719 R720 R722 R724 R725 R726 R727 R728 R729 Part No 1 249 403 11 1 249 403 11 1 216 833 11 1 216 821 11 1 216 825 11 1 216 809 11 1 216 797 11 1 216 841 11 1 216 825 11 1 216 829 11 1 216 829 11 1 216 809 11
39. 216 797 11 1 216 864 11 1 216 833 11 1 216 864 11 1 216 845 11 1 216 825 11 1 216 864 11 1 216 797 11 1 216 864 11 1 755 307 21 1 755 307 21 1 433 741 11 1 780 381 11 1 536 708 81 1 536 708 81 1 813 917 11 1 779 542 21 1 786 514 21 Description METAL CHIP 10K METAL CHIP 470 METAL CHIP 4 7K METAL CHIP 1K METAL CHIP 100K METAL CHIP 4 7K METAL CHIP 3 3K METAL CHIP 2 2K METAL CHIP 1M METAL CHIP 6 8K METAL CHIP 100K METAL CHIP 22K METAL CHIP 10 SHORT CHIP 0 METAL CHIP 10K SHORT CHIP 0 METAL CHIP 100K METAL CHIP 2 2K SHORT CHIP 0 METAL CHIP 10 SHORT CHIP 0 lt RELAY gt RELAY EC78P RELAY lt TRANSFORMER gt TRANSFORMER IF lt TERMINAL gt 5 5 5 5 5 5 5 5 5 0 5 5 5 5 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W TERMINAL BOARD PUSH ANTENNA 4P SPEAKER HIGH FREQ IMPEDANCE USE 8Q TERMINAL BOARD PUSH 4P SPEAKER IMPEDANCE USE 60 EC68P TERMINAL BOARD PUSH 4P SPEAKER LOW FREQ IMPEDANCE USE 8Q EC78P lt VIBRATOR gt VIBRATOR CRYSTAL 75MHz EC78P MOT
40. 216 864 11 SHORT CHIP 0 C341 1 164 156 11 CERAMIC CHIP 0 1uF 25V JR309 1 216 864 11 SHORT CHIP 0 JR310 1 216 864 11 SHORT CHIP 0 C342 1 162 964 11 CERAMIC CHIP 0 001uF 1090 50V JR311 1 216 864 11 SHORT CHIP 0 C343 1 126 965 91 ELECT 22uF 20 50V EC78P UK JR313 1 216 864 11 SHORT CHIP 0 C344 1 165 176 11 CERAMIC CHIP 0 0474 1090 16V JR315 1 216 864 11 SHORT CHIP 0 EC78P UK C345 1 165 176 11 CERAMIC CHIP 0 0474 1090 16V lt LIQUID CRYSTAL DISPLAY gt EC78P UK C346 1 165 176 11 CERAMIC CHIP 0 0474 1090 16V LCD301 1 802 584 11 DISPLAY PANEL LIQUID C347 1 164 315 11 CERAMIC CHIP 470PF 5 50V lt LED gt C348 1 164 315 11 CERAMIC CHIP 470PF 5 50V C351 1 164 156 11 CERAMIC CHIP 0 1uF 25V LED301 6 501 479 01 LED 1L0341Y23E0CA602 1 0 STANDBY EC68P EC78P US CND C352 1 126 964 11 ELECT 10uF 20 50V lt TRANSISTOR gt EC68P EC78P US CND 0353 1 164 156 11 CERAMIC CHIP 0 1uF 25V Q301 8 729 120 28 TRANSISTOR 28C1623 L5L6 EC68P EC78P US CND Q302 8 729 037 13 TRANSISTOR KTA1271Y Q303 8 729 120 28 TRANSISTOR 28C1623 L5L6 C354 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V Q304 8 729 120 28 TRANSISTOR 28C1623 L5L6 C355 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V Q305 8 729 120 28 TRANSISTOR 28C1623 L5L6 C356 1 164 156 11 CERAMIC CHIP 0 1uF 25V C357 1 126 965 91 ELECT 22uF 20 50V Q306 8 29 038 28 TRANSISTOR RT1N441C TP 1 EC68P EC78P US CND Q307 6 551 696 01 TRANSISTOR ISA1235AC1TP 1EF EC78P UK CONNECTOR Q308 8 729
41. 829 11 1 216 841 11 Description METAL CHIP METAL CHIP METAL CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT CHIP METAL CHIP METAL CHIP METAL CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT CHIP SHORT CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 100 100 100 100 100 100 100 100 100 100 100 100K 100K 100K 100K 100K 100K 100K 2 2 2 2 2 2K 10K 2 2K 4 7K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Ref No X102 CN901 CN902 R904 R905 R906 R907 R90
42. 91 1 100 566 91 1 100 566 91 KEY POWER BOA RD lt SWITCH gt SWITCH TACTILE 1 0 STANDBY lt CABLE HOLDER gt HOLDER CABLE 3P LOW BOARD lt CAPACITOR gt ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP 1uF 1uF 470PF 470PF 100PF 100PF 4TuF 4TuF 3PF 3PF 0 0047uF 100uF 100uF 100uF 100uF 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF 20 20 5 5 5 5 20 20 0 25PF 0 25PF 10 20 20 20 20 10 10 10 50V 50V 50V 50V 50V 50V 35V 35V 50V 50V 50V 50V EC68P 63V EC78P 50V EC68P 63V EC78P 50V 50V 25V 25V 25V 55 HCD EC68P EC78P Ref No CN102 CN104 D101 D103 IC101 IC101 IC102 JR132 Q101 Q102 R101 R102 R103 R103 R103 R104 R104 R104 R105 R105 R106 R106 R107 R108 R109 R110 R111 R112 R113 R114 R122 R123 R125 R126 R127 R128 R129 R130 R131 56 Part No 1 784 766 11 1 824 030 21 6 500 335 01 6 501 817 01 6 705 620 01 6 705 621 01 6 600 580 01 1 216 864 11 6 551 270 01 6 551 270 01 1 216 864 11 1 216 864 11 1 216 813
43. C832 C833 C834 C835 C836 C837 C838 C840 C841 C843 C844 C845 C846 Part No 1 162 962 11 1 126 947 11 1 104 665 11 1 126 935 11 1 104 658 91 1 126 960 11 1 126 960 11 1 126 960 11 1 126 960 11 1 126 947 11 1 104 662 91 1 125 837 91 1 125 837 91 1 164 245 11 1 164 245 11 1 162 970 11 1 126 933 11 1 125 837 91 1 162 918 11 1 117 863 11 1 162 962 11 1 125 837 91 1 162 918 11 1 162 964 11 1 162 964 11 1 162 964 11 1 162 968 11 1 162 970 11 1 162 968 11 1 162 970 11 1 162 970 11 1 162 970 11 1 162 962 11 1 162 910 11 1 162 966 11 1 126 965 91 1 126 923 91 1 165 908 11 1 162 964 11 1 165 176 11 1 162 927 11 1 117 863 11 1 162 907 11 1 117 863 11 1 117 863 11 1 126 923 91 1 162 915 11 1 165 176 11 1 164 227 11 1 162 915 11 1 162 964 11 1 100 566 91 1 162 964 11 1 164 156 11 1 100 566 91 1 115 467 11 1 162 970 11 HCD EC68P EC78P Description CERAMIC CHIP ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC C
44. CHIP CERAMIC CHIP CERAMIC CHIP lt CONNECTOR gt 1uF 1uF 470PF 470PF 100PF 100PF 1uF 1uF 3PF 3PF 0 01uF 0 01uF 0 0047uF 100uF 100uF 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF PIN CONNECTOR 6P CONNECTOR FFC 5P lt DIODE gt DIODE MC2838 T112 1 DIODE MA2J1110GLS0 lt C gt STK433 070 EC78P UK 20 20 5 5 5 5 20 20 0 25PF 0 25PF 1096 1096 1096 20 20 10 10 10 IC STK433 090 E EC78P US CND lt JUMPER RESISTOR gt SHORT CHIP 0 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 25V 25V 50V 63V 63V 50V 50V 25V 25V 25V Ref No 0151 0152 R151 R151 R152 R152 R153 R154 R155 R156 R159 R160 R161 R162 R163 R164 171 172 R173 R175 R176 R177 R178 R179 R180 R181 R182 R183 R184 R185 R186 R195 R196 Part No 6 551 270 01 6 551 270 01 1 216 813 11 1 216 824 11 1 216 813 11 1 216 824 11 1 216 837 11 1 216 837 11 1 216 841 11 1 216 841 11 1 216 821 11 1 216 821 11 1 216 817 11 1 216 817 11 1 216 841 11 1 216 841 11 1 216 864 11 1 216 809 11 1 216 821 11 1 216 813 11 1 216 813 11 1 216 813 11 1 216 813 11 1 216 361 31 1 216 361 31 1 216 822 11 1 216 822 11 1 216 837 11 1 216 837 11 1 216 825 11 1 216 825 11 1 216 817 11 1 216 817 11 Description lt TRANSISTOR gt TRANSISTOR TRANSISTOR lt RESISTOR gt METAL CHIP METAL CHIP METAL CHIP METAL CHIP
45. CHIP 2 1K 5 1 10W METAL CHIP 3 9K 5 1 10W METAL CHIP 6 8K 0 5 1 10W METAL CHIP 15K 5 1 10W METAL CHIP 21K 5 1 10W METAL CHIP 100K 5 1 10W METAL CHIP 10K 5 1 10W EC78P UK METAL CHIP 4 7K 5 1 10W METAL CHIP 100K 5 1 10W EC78P UK METAL CHIP 41K 5 1 10W EC78P UK METAL CHIP 10K 5 1 10W METAL CHIP 470 5 1 10W METAL CHIP 470 5 1 10W METAL CHIP 470 5 1 10W METAL CHIP 39K 5 1 10W EC68P EC78P US CND METAL CHIP 22K 5 1 10W EC68P EC78P US CND METAL CHIP 10K 5 1 10W EC68P EC78P US CND METAL CHIP 4 7K 5 1 10W EC68P EC78P US CND METAL CHIP 4 7K 5 1 10W EC68P EC78P US CND METAL CHIP 4 7K 5 1 10W METAL CHIP 4 7K 5 1 10W METAL CHIP 10K 5 1 10W lt ROTARY ENCODER gt ENCODER ROTARY VOLUME lt SWITCH gt SWITCH TACTILE 44 TUNING SWITCH TACTILE FUNCTION SWITCH TACTILE TUNING gt gt SWITCH TACTILE CD gt SWITCH TACTILE Ref No SW313 SW314 SW315 SW316 SW317 SW318 SW319 X301 X302 Part No 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 771 410 21 1 814 067 11 1 813 548 21 HCD EC68P EC78P Description Remark SWITCH TACTILE SWITCH TACTILE FOLDER SWITCH TACTILE FOLDER SWITCH TACTILE EQ SWITCH TACTILE DSGX SWITCH TACTILE PLAY MODE TUNING MODE SWITCH TACTILE DISPLAY lt VIBRATOR gt OSCILLATOR CRYSTAL 32 768kHz VIBRATOR CERAMIC 6MHz
46. DIODE DIODE MC2838 T112 1 MC2838 T112 1 MA2J1110GLS0 EC78P MA2J1110GLS0 MA2J1110GLS0 MC2836 T112 1 1N5402 F46 1N5402 F46 1N5402 F46 1N5402 F46 2A02M EC78P 2A02M EC78P MA2J1110GLSO 1N4002B MC2838 T112 1 MAZ8039GHLSO 1N4002B 1N4002B 28043 50 MAZ8082GMLS0 MA2J1110GLS0 1N4002B EC68P 1N4002B EC68P MA2J1110GLS0 RK36LF A4 MA2J1110GLS0 SVC347A TL E 1PS226 115 SVC230 TB E SVC230 TB E 1PS226 115 1PS226 115 lt GROUND TERMINAL gt TERMINAL BOARD GROUND TERMINAL BOARD GROUND Ref No FL801 FL803 IC602 IC701 IC770 801 JR601 JR602 JR603 JR604 JR605 JR606 JR607 JR608 JR609 JR610 JR611 JR612 JR613 JR614 JR615 JR616 JR617 JR618 L601 L602 L603 L604 L701 L801 L802 L803 L804 L805 0601 0602 0603 0604 0605 0606 0608 0611 0612 0618 0619 0622 0624 0761 0762 0801 0802 Pari 1 760 393 11 1 236 711 21 6 712 055 01 6 712 088 01 8 759 278 58 6 708 840 01 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 456 107 11 1 456 107 11 1 456 107 11 1 456 107 11 1 456 467 11 1 456 596 11 1 457 168 11 1 457 162 11 1 457 163 11 1 457 161 11 8 729 037 03 8 729 120 28 8 729 120 28 8 729 120 28 8 729 120 28 8 72
47. ON Disc Type value indication DISCTYPE AL 0000 RW 0001 Gain Index value indication GAININDX 0001 RFO GAIN gt value indication RFO GAIN 0009 FEO GAIN gt value indication FEO GAIN 0005 SBAD GAIN value indication SBAD GAI 0007 gt GAIN value indication TEO GAIN 000A Disc Size gt value indication DISCSIZE 0000 Non disc 0001 8cm 0002 12cm gt Op ABRAKE Error gt value indication OPABRKER 0000 SBBT Data value indication SBBT DAT 006C FEOOCD value indication FEOOCD 0440 SPG Mask gt value edit 00 SPG Non mask 00 Mask 01 Fix RF Gain value edit 00 FIX TMAX ON _ value edit 00 TMA Driver Mute OFF gt value edit 00 D M Normal 00 Forced OFF 01 COMOUT6X value edit command out COMOUT6X 000000 OK READ2X ______ value edit command out READ2X 60 50 TGADD 00 RFGC command out FEOF FFC0 TEOF command out TEOF FFC0 TEIOCD1 command out TEIOCD1 FE80 gt TEIOCD22 command out TEIOCD2 FF40 TEIOCD37 command out TEIOCD3 FFCO TEOOCD command out TEOOCD FDOO FEOOCD command out FEOOCD F780 MONITOR value edit command out MONITOR 570A00 OK Error Rate Mode
48. RESET is displayed disconnect the AC plug COMMON TEST MODE Procedure 1 Press the I D button to turn the power on 2 Press three buttons of PLAY MODE TUNING MODE TUNING gt gt PPI and DISPLAY simultaneously It enters the common test mode and displays COMMON 4 Each time the VOLUME dial is turned VOL MIN VOL 16 and VOL MAX are displayed 5 To release from this mode press three buttons of PLAY MODE TUNING MODE TUNING gt gt PPI and DIS PLAY simultaneously CD SERVO TEST MODE This mode can check the servo system operations of the optical pick up system optical unit CD board Note1 Do not enter the CD SERVO TEST MODE while any other test mode is in progress Note2 Do not enter any other test mode while the CD SERVO TEST MODE is in progress How to Enter the CD Servo Test Mode Procedure 1 Press the I 5 button to turn the power on 2 Press the FUNCTION button to select CD function 3 Press three buttons of CD Br Kid lt lt TUNING and DISPLAY simultaneously 4 It enters the CD servo test mode and displays S CU How to Exit from the CD Servo Test Mode Procedure 1 Press three buttons of CD Br Kid lt lt TUNING and DISPLAY simultaneously 2 It releases from the CD Servo Test Mode and returns to the ordinary CD function Key Operation Ca Use these keys to move between th
49. Timer will not play To activate or check the timer again 1 Press TIMER MENU 19 SELECT flashes 2 Press C 20 3 Press 24 repeatedly to select PLAY SEL and then press Q 120 To cancel the timer Repeat the same procedure as above until OFF appears in step 3 and then press 20 To change the setting Start over from step 1 Tip The Play Timer setting remains as long as the setting is not canceled manually Troubleshooting 1 Make sure the power cord and speaker cords are correctly and firmly connected 2 Find your problem in the checklist below and take the indicated corrective action If the issue persists contact your nearest Sony dealer If PROTECT appears on the display Immediately unplug the power cord and check the following items after disappears e Are the and speaker cords short circuited e Is anything blocking the ventilation holes on the top or back of the system After you have checked these above items and found to be all right reconnect the power cord and turn on the system If the issue persists contact your nearest Sony dealer General The system does not turn on e Is the power cord plugged in There is no sound e Are the and speaker cords short circuited e Are you using only the supplied speakers e Is anything blocking the ventilation
50. ordinary solder RELEASING THE DISC TRAY LOCK The disc tray lock function for the antitheft of an demonstration disc in the store is equipped Releasing Procedure 1 Press I D button to turn the power on 2 Press the FUNCTION button to select CD function 3 While pressing the Bl button press 4 button for more 5 seconds 4 The message UNLOCKED is displayed and the disc tray is unlocked Note When LOCKED is displayed the slot lock is not released by turning power on off with the I D button HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF HCD EC68P EC78P till a lever falls down to the position of the figure x 9 5 G Q S E back view Q Push the knob VOL by the flat head driver NG A N 2 45 e 7 U a Y 5 10 Ex eet ON Pi Slide the boss by driver knob VOL Pull the tray by the hand EXCEPT EC78P UK HOW TO REMOVE THE KNOB VOL HCD EC68P EC78P CAPACITOR DISCHARGE FOR ELECTRIC SHOCK PREVENTION In checking the MAIN board make a capacitor discharge of C622 and C626 for electric shock prevention 800 0 2W MAIN board MAIN board 800 Q 2W MODEL IDENTIFICATION Back Panel POWER VOLTAGE u INDICATION _______ Power Voltage Indi
51. the button to turn the power on 2 Press the FUNCTION button to select CD function 3 Press three buttons of TUNING PPI BI and DIS PLAY simultaneously 4 Then the CDM error code is displayed as MOxxxxxx x means hexadecimal number on the liquid crystal display as shown below 5 Every pressing of the TUNING bb PPI button in this mode increments the number after M starting from MO up to 9 and then returns to Every pressing of the lt lt lt TUNING button in this mode decrements the number after M The smaller the error code number is the newer the error content is 6 When the PLAY MODE TUNING MODE button is pressed then the BD error code is displayed as DOxxxxxx x means hexadecimal number on the liquid crystal display as shown below In the same way as the CDM error code use of the TUNING gt gt DDI and the KK 44 TUNING but tons in this mode enables tracing of the error history 7 To release from this mode press the I D button to turn the power off 20 Contents of CDM Errors Error display example FF 11 42 9 It indicates the error history number 0 to 9 The error code number 0 indicates the newest error 2 It indicates whether the CDM error occurs in the normal opera tions or during the initialization operation FF The error has occurred in the normal opera tions Other than
52. the electrical volume 51 to 53 MD2toMDO o OS 5A I RST ES Reset signal input from the voltage detect L reset O N 5 to 7 Detection switch input terminal For several hundreds msec after the power supply rises L is input then it changes to H O TU CE 0 Chip enable signal output to the FM AM DET O TU CLK 0 Serial data transfer clock signal output to the FM AM DET FATT 45 HCD EC68P EC78P PinNo sr O TU DI Serial data output to the FM AM DE T 6 VLCD m Terminal for doubler circuit capacitor connection to develop liquid crystal display drive volt age 59 to 62 Common drive signal output to the liquid crystal display SEGO SEGI YE o 6 _ EN 66 671089 Power supply terminal 3 1V oo O s EN o VCC VSS 67 to 89 SEG2 to SEG24 VCC VSS Ground terminal X1 KO Main system clock output terminal 6 MHz Main system clock input terminal 6 MHz Segment drive signal output to the liquid crystal display 57 58 5 9 SEG25 to SEG31 46 HCD EC68P EC78P SECTION 7 EXPLODED VIEWS Note XX and X mean standardized parts so they may have some difference from the original one e Items marked are not stocked since they are seldom required for routine ser Parts of Color Cabinet s Color vice Accessories are given in the last of the Some delay should be anticipated when electrical pa
53. tuner section Tuning range North American model 530 1 710 kHz with 10 kHz tuning interval 531 1 710 kHz with 9 kHz tuning interval Australian model 531 1 710 kHz with 9 kHz tuning interval 530 1 710 kHz with 10 kHz tuning interval Intermediate frequency 450 kHz UK model 531 1 602 kHz with 9 kHz tuning interval Intermediate frequency 450 kHz General Power requirements North American model AC 120 V 60 Hz Australian model AC 230 240 V 50 60 Hz UK model AC 230 V 50 60 Hz Power consumption HCD EC78P USA model 210 W Canadian model 270 VA UK model 160 W 0 5 W in Power Saving Mode HCD EC68P 110 W Dimensions w h d excl speakers Approx 200 x 306 x 415 mm Mass excl speakers HCD EC78P US and Canadian models Approx 5 8 kg HCD EC78P UK model Approx 6 1 kg HCD EC68P Approx 4 7 kg Design and specifications are subject to change without notice COMPACT DISC RECEIVER SONY HCD EC68P EC78P Notes on chip component replacement Never reuse a disconnected chip component e Notice that the minus side of a tantalum capacitor may be dam aged by heat Flexible Circuit Board Repairing e Keep the temperature of soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times e Be careful not to apply force on the conductor when soldering or unsoldering CAUTION Use o
54. zb Loc 2 m lt lt mil IC602 BD3499FV E2 e IC B D 19 R681 R684 z R732 R752 R754 R731 R706 z 22k 22k 100 5 6k 5 6k 100 C633 AMP L AMP R R707 I2C DATA 220 i CD AVR oN O CD RST 50V O BUSO O BUS1 TP637 e TP639 OUT gt gt gt o ol gt lt 6 S 8 S 9 2 4 O BUS2 O CD BUCK O CD SBSV 10 olola lt zx jx 0 lt 5 1 lll 5 2 DW WI WI CC CI 17 DVDD 3 3V VM 7V D DRIVE MUTE DMP DET USB RST DMP DET USB RST 5 0 2 ZDET LRCKIN 15 PANEL BOARD CN301 Page 37 CD BOARD CN201 Page 29 6 8 SCHEMATIC DIAGRAM MAIN Section 3 3 See page 42 for IC Block Diagrams MAIN BOARD 3 3 5V REGULATOR IC701 IC BD9701CP V5 RK36LF A4 D701 R770 0 C762 100 10V R782 56k C776 22 25V C760 C761 100 470 25V 16V HCD EC68P EC78P R779 4 7k TANG R781 33k C787 1 1 R772 R771 22k HCD EC68P EC78P 6 7 6 9 10 11 12 22k LINE AMP IC770 NJM4558V TE2 R774 C774 a O gt IN BOARD 2 3 5V ON TP REC MUTE 32 N DMP R
55. 0 2 DRIVE MUTE GND 8 m 2 4 VM 7V LB 7 5 5 3V PB 2 4 101 R210 100 4 DONG R113 k W 8 SBSY T 3 R209 100 REQ T 2 R218 100k R208 100 5 rl Lem E M D SPINDLE BUE SD O R220 100k p n 100 B MAIN 2193 001 R221 100k R205 100 I TEM 2 m 5 001 CD MP3 PROCESSOR BUS 4 2 3 H R223 100k C 0 1 IC101 5 CN608 149 22 ARN R111 100 Page 32 7 R110 10k I gt E 19 Be Rus 1 7 2 22 20 R OUT VBBT3 21 AVBB 5 5V dU SH Bee as lt 1 wes AEI eee 2 NT S E il 63v Ice 470p C116 0 1 L ep M TK63115SCL G GT F gt C109 0 1 R201 IC201 0 20 1 5V REGULATOR R202 8 5 G k 16 9344MHz 8 5 5 5 3 5 5 S201 H 5 LIMIT C 5 i T HCD EC68P EC78P IC401 FOCUS TRACKING COIL DRIVE SLED SPINDLE MOTOR DRIVE IC401 BA5826SFP E2 29 29 HCD EC68P EC78P Semiconductor 6 5 PRINTED WIRING BOARDS MAIN Section See page 27 for Circuit Boards Location IF Uses unleaded solder Location Ref No Location D601 D602 D603 D604 D605 D606 D607 D608 D609 D610 D611 D612 D614 D615 D617 D618 D619 D620 D621 D622
56. 038 28 TRANSISTOR RT1N441C TP 1 EC78P UK Q309 8 729 040 76 TRANSISTOR KTA1273 Y AT EC78P UK CN301 1 784 753 11 CONNECTOR FFC 31 Q310 8 729 120 28 TRANSISTOR 28C1623 L5L6 EC78P UK CN302 1 784 735 11 CONNECTOR FFC EC78P UK CN303 1 815 550 11 CONNECTOR PWB 2P Q311 8 729 024 43 TRANSISTOR 28A1365 T112 1EF CN306 1 815 443 11 CONNECTOR PWB 2P EC78P UK CN311 1 779 273 11 CONNECTOR FFC LIF NON ZIF 5P Q312 8 729 024 43 TRANSISTOR 28A1365 T112 1EF EC68P EC78P US CND EC78P UK Q313 8 729 024 43 TRANSISTOR 28A1365 T112 1EF EC78P UK 61 HCD EC68P EC78P Ref No Q314 Q315 Q316 Q317 Q318 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R311 R312 R313 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R327 R328 R329 R330 R331 R332 R333 R334 R335 R336 R337 R338 R339 R340 R341 R342 R343 R344 R345 62 Part No 8 29 024 43 8 729 047 62 8 729 047 62 8 729 047 62 8 729 047 62 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 817 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 809 11 1 216 797 11 1 216 809 11 1 216 809 11 1 216 833 11 1 216 825 11 1 216 819 11 1 216 845 11 1 216 83
57. 08 1 100 566 91 CERAMIC CHIP 0 1uF 10 25V D307 6 501 817 01 DIODE MA2J1110GLS0 EC78P UK EC68P EC78P US CND C309 1 126 965 91 ELECT 22uF 20 50V EC78P UK lt FERRITE BEAD gt C310 1 164 156 11 CERAMIC CHIP 0 1uF 25V EC78P UK FB301 1 500 329 21 INDUCTOR FERRITE BEAD C311 1 164 156 11 CERAMIC CHIP 0 1uF 25V EC78P UK lt C gt C312 1 164 156 11 CERAMIC CHIP 0 1uF 25V 301 1551 183 MB90F831PF G SPE1 service EC78P UK EC78P UK C313 1 115 467 11 CERAMIC CHIP 0 22uF 10 10V IC301 A 1551 185 A IC MB90F831PF G SPE1 for service C314 1 165 176 11 CERAMIC CHIP 0 047uF 1090 16V EC68P EC78P US CND C315 1 165 176 11 CERAMIC CHIP 0 047uF 1090 16V 302 6 711 556 01 NJL24H400B SA C316 1 165 176 11 CERAMIC CHIP 0 0474 1090 16V IC303 8 759 598 69 IC BA6956AN EC68P EC78P US C317 1 162 964 11 CERAMIC CHIP 0 001uF 1090 50V lt JUMPER RESISTOR gt C319 1 162 918 11 CERAMIC CHIP 18PF 5 50V C320 1 162 919 11 CERAMIC CHIP 22 596 50V JR301 1 216 864 11 SHORT CHIP 0 C321 1 164 156 11 CERAMIC CHIP 0 1uF 25V JR302 1 216 864 11 SHORT CHIP 0 C328 1 165 176 11 CERAMIC CHIP 0 0474 1090 16V JR303 1 216 864 11 SHORT CHIP 0 JR304 1 216 864 11 SHORT CHIP 0 C330 1 164 156 11 CERAMIC CHIP 0 1uF 25V JR305 1 216 864 11 SHORT CHIP 0 C332 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C338 1 162 964 11 CERAMIC CHIP 0 001uF 1090 50V JR307 1 216 864 11 SHORT CHIP 0 C340 1 164 156 11 CERAMIC CHIP 0 1uF 25V JR308 1
58. 1 10W METAL OXIDE 0 22 5 2W F METALOXIDE 0 22 5 2W F METAL CHIP 1 2K 5 1 10W Ref No R132 R133 R134 R135 R136 R142 R145 R146 C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C615 C616 C617 C618 C619 C620 C621 C622 C622 C622 C623 C626 C626 C626 C627 C628 C629 C630 Part No 1 216 822 11 1 216 837 11 1 216 837 11 1 216 825 11 1 216 825 11 1 216 864 11 1 216 817 11 1 216 817 11 A 1379 655 A A 1379 713 A A 1426 105 A A 1426 163 A 1 685 647 79 1 126 947 11 1 104 662 91 1 162 968 11 1 100 566 91 1 100 566 91 1 162 968 11 1 100 566 91 1 100 566 91 1 162 968 11 1 162 968 11 1 127 715 11 1 127 715 11 1 126 964 11 1 126 963 11 1 100 566 91 1 100 566 91 1 100 566 91 1 100 566 91 1 162 970 11 1 104 658 91 1 137 749 11 1 114 471 51 1 126 974 11 1 128 550 11 1 137 749 11 1 114 471 51 1 126 974 11 1 128 550 11 1 126 943 11 1 126 942 61 1 162 968 11 1 126 947 11 Description Remark METAL CHIP 1 2K 5 1 10W METAL CHIP 22K 5 1 10W METAL CHIP 22K 5 1 10W METAL CHIP 2 2K 5 1 10W METAL CHIP 2 2K 5 1 10W SHORT CHIP 0 METAL CHIP 4TO 5 1 10W METAL CHIP 4TO 5 1 10W MAIN BOARD COMPLETE EC78P US MAIN BOARD COMPLETE EC68P US MAIN BOARD COMPLETE EC78P UK MAIN BOARD COMPLETE EC68P AUS 2K gt 7 SCREW BVTP 3X10 TYPE2
59. 1 832 404 21 SPRING INSULATOR COIL 208 A 1217 914 A INSULATOR 201 1 771 853 11 SCREW PTPWHM2 6 FLOATING HCD EC68P EC78P not supplied 206 including sled motor M402 spindle motor M401 Description Remark BASE ASSY OP KSM 213D CABLE FLEXIBLE FLAT 16 CORE CD BOARD COMPLETE SWITCH DETECTION LIMIT 51 HCD EC68P EC78P 7 6 1 CD MECHANISM SECTION EXCEPT EC78P UK CDM77B K6BD90 WOD not supplied B MOTOR board 2 including sled motor M402 spindle motor M401 Ref No Part No Description Remark Ref No Part No Description Remark 251 A 1242 967 A LOADING BK ASSY A 256 A 4735 357 A BASE ASSY OP KSM 213D 252 3 080 478 01 BELT 257 1 832 404 21 CABLE FLEXIBLE FLAT 16 CORE 253 4 985 672 01 SCREW PTPWHM2 6 FLOATING 258 A 1217 914 A CD BOARD COMPLETE 254 4 227 045 41 SPRING INSULATOR 201 1 771 853 11 SWITCH DETECTION LIMIT 255 4 229 005 41 INSULATOR 52 Note Due to standardization replacements in the parts list may be different from the parts specified in the diagrams or the com ponents used on the set XX and X mean standardized parts so they may have some difference from the original one Items marked are not stocked since they are seldom required for routine ser vice Some delay should be anticipated when ordering these items CAPACITORS uF COILS uH uH Ref No A 1217 914 A C100 1 164
60. 11 1 216 824 11 1 216 827 11 1 216 813 11 1 216 824 11 1 216 827 11 1 216 829 11 1 216 837 11 1 216 829 11 1 216 837 11 1 216 841 11 1 216 841 11 1 216 821 11 1 216 821 11 1 216 817 11 1 216 817 11 1 216 841 11 1 216 841 11 1 216 809 11 1 216 821 11 1 216 813 11 1 216 813 11 1 216 813 11 1 216 813 11 1 216 361 31 1 216 361 31 1 216 822 11 Description Remark lt CONNECTOR gt CONNECTOR FFC 5P HOLDER CABLE 5P lt DIODE gt DIODE MC2838 T112 1 DIODE 2 11106150 lt C gt IC STK433 060 EC68P IC STK433 070 EC78P UK IC STK433 090 E EC78P US CND lt JUMPER RESISTOR gt SHORT CHIP 0 lt TRANSISTOR gt TRANSISTOR 2SA2026 TRANSISTOR 2SA2026 lt RESISTOR gt SHORT CHIP 0 SHORT CHIP 0 METAL CHIP 220 5 1 10W EC78P US CND METAL CHIP 1 8K 5 1 10W EC78P UK METAL CHIP 3 3K 5 1 10W EC68P METAL CHIP 220 5 1 10W EC78P US CND METAL CHIP 1 8K 5 1 10W EC78P UK METAL CHIP 3 3K 5 1 10W EC68P METAL CHIP 4 7K 5 1 10W EC68P METAL CHIP 22K 5 1 10W EC78P METAL CHIP 4 1K 5 1 10W EC68P METAL CHIP 22K 5 1 10W EC78P METAL CHIP 5 1 10W METAL CHIP 5 1 10W METAL CHIP 1K 5 1 10W METAL CHIP 1K 5 1 10W METAL CHIP 470 5 1 10W METAL CHIP 470 5 1 10W METAL CHIP 5 1 10W METAL CHIP 5 1 10W METAL CHIP 100 5 1 10W METAL CHIP 1K 5 1 10W METAL CHIP 220 5 1 10W METAL CHIP 220 5 1 10W METAL CHIP 220 5 1 10W METAL CHIP 220 5
61. 11 1 164 360 11 1 784 833 51 1 770 425 51 6 712 622 01 6 710 808 01 6 710 637 01 6 551 120 01 1 216 813 11 1 216 833 11 1 216 295 91 1 216 857 11 1 216 821 11 1 216 864 11 1 216 833 11 1 216 809 11 1 216 809 11 HCD EC68P EC78P When indicating parts by reference num ber please include the board name The components identified by mark N or dotted line with mark are critical for safety Replace only with part number specified Les composants identifi s par une marque A sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi Description CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ATPF 22PF 0 001uF 470PF CERAMIC CHIP CERAMIC CHIP ELECT CHIP ELECT CHIP CERAMIC CHIP 470PF 0 1uF 100uF 100uF 0 1uF CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP 0 1uF 1uF 1uF 0 1uF 10uF CERAMIC CHIP ELECT CHIP CERAMIC CHIP CERAMIC CHIP ELECT CHIP 10uF 100uF 1uF 0 001uF 220uF CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP 0 1uF 0 1uF 0 1uF lt CONNECTOR gt CONNECTOR FFC LIF NON ZIF 21 CONNECTOR FFC FPC 16P lt C gt IC TC94A70FG 006 D HZ TK63115SCL G GT BA5826SFP E2 TRANSISTOR TRANSISTOR 28A2119K lt RESISTOR gt METALCHIP 220 METALCHIP 10K SHORTCHIP 0 METALCHIP 4M METALCHIP 1 SHORTCHIP 0 METALCHIP 10K METALCHIP 100 METALCHIP 100 5 5 10 5 5
62. 11 1 165 176 11 1 162 966 11 1 162 966 11 1 126 962 11 1 164 227 11 1 126 960 11 1 162 964 11 1 126 960 11 1 162 966 11 1 125 837 91 1 162 960 11 1 125 837 91 1 125 837 91 1 125 837 91 1 162 960 11 1 125 837 91 1 162 966 11 1 125 837 91 1 162 915 11 1 162 915 11 1 126 964 11 1 115 416 11 1 126 960 11 1 126 960 11 1 126 960 11 1 162 964 11 1 126 933 11 1 126 923 91 1 126 933 11 1 126 925 91 1 164 227 11 1 126 960 11 1 126 960 11 1 100 566 91 1 162 966 11 1 162 966 11 1 162 966 11 1 162 966 11 1 110 563 11 1 110 563 11 1 110 563 11 1 110 563 11 1 162 962 11 1 162 966 11 1 100 566 91 1 162 970 11 1 100 566 91 1 100 566 91 1 125 837 91 1 125 837 91 1 162 964 11 1 162 964 11 1 162 966 11 1 162 962 11 Description ELECT ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP ELECT ELECT ELECT CERAMIC CHIP ELECT ELECT ELECT ELECT CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CER
63. 216 830 11 1 216 830 11 1 216 830 11 1 216 805 11 1 216 829 11 1 216 839 11 1 216 821 11 1 216 365 61 1 216 833 11 1 216 805 11 1 216 864 11 1 218 879 11 1 218 879 11 1 218 879 11 1 218 879 11 1 218 879 11 1 218 879 11 1 218 879 11 1 218 879 11 1 216 829 11 1 216 829 11 1 216 839 11 1 216 842 11 1 216 845 11 1 216 845 11 1 216 845 11 1 216 845 11 1 216 835 11 1 216 835 11 1 216 845 11 1 216 849 11 1 216 809 11 1 216 801 11 1 216 825 11 1 216 801 11 1 216 853 11 1 216 841 11 1 216 837 11 1 216 801 11 1 216 809 11 1 216 829 11 1 216 845 11 1 216 841 11 1 216 853 11 1 216 837 11 1 216 833 11 1 216 821 11 1 216 841 11 1 216 833 11 1 216 839 11 1 216 829 11 1 216 829 11 1 216 809 11 Description METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL OXIDE METAL CHIP METAL CHIP SHORT CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP
64. 3 Printed Wiring Board PANEL Board 36 6 14 Schematic Diagram PANEL Board 37 6 15 Printed Wiring Boards KEY Section 38 6 16 Schematic Diagram KEY Section 38 6 17 Printed Wiring Board MOTOR Board EC68P EC78P US Canadian models 39 6 18 Schematic Diagram MOTOR Board EC68P EC78P US Canadian models 39 6 19 Printed Wiring Board PT Board 40 6 20 Schematic Diagram PT Board 41 7 EXPLODED VIEWS dele Panel L ae a ake a 47 J52 Front Panel gt 48 Te Chassis OM 49 J A Main SEGO uU Ll 50 7 5 3 CD Mechanism Section EC78P UK CDM88A K6BD90 WOD B 7 6 1 CD Mechanism Section Except EC78P UK CDM77B K6BD90 WOD 52 8 ELECTRICAL PARTS LIST 53 HCD EC68P EC78P SECTION 1 SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT The laser diode in the optical pick up block may suffer electrostat ic break down because of the potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to electrostatic break down an
65. 3 11 1 216 845 11 1 216 833 11 1 216 837 11 1 216 833 11 1 216 813 11 1 216 789 11 1 216 789 11 1 216 829 11 1 216 839 11 1 216 849 11 1 216 853 11 1 216 826 11 1 216 829 11 Description TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR lt RESISTOR gt METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 2SA1365 T112 1EF Remark EC78P UK 2SC3440 T12 1F EC78P UK 2SC3440 T12 1F EC78P UK 2SC3440 T12 1F EC78P UK 2SC3440 T12 1F EC78P UK 100 100 100 100 100 100 100 100 100 100 470 100 100 100 100 100 100 100 100 100 100 100 100 100 10 100 100 10K 2 2K 680 100K 10K 100K 10K 22K 10K 220 2 2 2 2 4 7K 33K 220K 470K 2 1K 4 7K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 10W 1 10W 1 10W 1 10W
66. 360 11 C101 1 164 360 11 C102 1 164 360 11 C103 1 164 360 11 C104 1 164 360 11 C105 1 164 360 11 C106 1 128 995 21 C107 1 164 360 11 C108 1 164 360 11 C109 1 164 360 11 C110 1 164 360 11 C112 1 164 360 11 C113 1 164 360 11 C115 1 124 778 00 C116 1 164 360 11 C117 1 164 227 11 C118 1 162 970 11 C119 1 164 227 11 C120 1 162 970 11 2122 1 164 315 11 C123 1 164 315 11 C124 1 162 968 11 125 1 162 968 11 126 1 107 826 11 C127 1 162 966 11 C128 1 162 910 11 130 1 162 910 11 C132 1 164 360 11 C133 1 107 826 11 C136 1 162 923 11 C137 1 162 970 11 C138 1 164 315 11 C139 1 162 970 11 C140 1 162 970 11 C141 1 162 966 11 C142 1 107 826 11 C143 1 162 970 11 C144 1 107 826 11 C145 1 162 970 11 C146 1 164 315 11 C147 1 107 826 11 Description CD BOARD COMPLETE gt K K K K 2K K 7 lt CAPACITOR gt CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF
67. 4 R615 R616 R616 R616 R617 R618 R619 R619 R619 R620 R621 R622 R623 R624 R625 R626 R627 R628 R629 R630 R631 R632 R633 R634 R635 R636 R637 R638 R639 R640 Part No 1 216 817 11 1 216 793 11 1 216 845 11 1 216 799 11 1 216 806 11 1 216 797 11 1 216 797 11 1 216 797 11 1 216 829 11 1 216 829 11 1 216 797 11 1 216 797 11 1 216 833 11 1 216 833 11 1 216 797 11 1 216 828 11 1 216 833 11 1 216 835 11 1 216 833 11 1 216 833 11 1 216 828 11 1 216 833 11 1 216 835 11 1 216 829 11 1 216 829 11 1 216 839 11 1 216 833 11 1 216 833 11 1 216 839 11 1 216 833 11 1 216 829 11 1 216 833 11 1 216 829 11 1 216 841 11 1 216 797 11 1 216 845 11 1 216 845 11 1 249 402 11 1 249 402 11 1 249 402 11 1 216 829 11 1 249 403 11 1 216 845 11 1 216 845 11 Description lt RESISTOR gt METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP CARBON CARBON CARBON METAL CHIP CARBON METAL CHIP METAL CHIP 470 4 7 100K 15 56 4 7K 4 7K 10 10 10K 10K 10 3 9K 10K
68. 5 4 O SW ONI I TP STATE 1042 23 5V ON TP REC MUTE N N O POWER DMP DET O USB RST O CD M MUTE 1 O CD SBSY O CD REQ O CD BUCK O BUS2 O CD SBSY O CD REQ O CD CCE O CD BUCK O BUS3 O BUS1 TP667 TP668 TP669 TP670 3 2 O BUS2 ala O o l O BUS1 O BUSO O CD RST I P MONI O CD ON D GND V STBY M GND AUDIO L AM R700 4 7k AUDIO R CD L TUNER L TUNER R R704 4 7k R697 1k R709 1k R742 1k A DMP R 10 R696 0624 KTC3203Y AT I DMP TXD I DMP 5V DET O DMP RXD NC CN608 3 3V DMP TXD DMP 5V DET DMP RXD 1 d a 4 0622 624 3 3V 5 5 REGULATOR GI C640 o ll ol of ol 2200p U A a ils F als 95 o 4 8 08 Salon _ 6 N O 40 Tr T iL O o o o Q622 2SC3052F T1 LF R788 co q 1 Y Y SV il e e e e e e e e e e e e e 433 0210 9 pa IC602 Z 2 3 amp A s LLI LLI 231 x i iu o9 INPUT SELECTOR am TE ELECTRICAL VOLUME
69. 5 mA 500 microamperes Leakage current can be measured by any one of three methods l Acommercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have 2 V AC range are suitable See Fig A To Exposed Metal Parts on Set AC voltmeter 0 75 v Earth Ground Fig A Using an AC voltmeter to check AC leakage TABLE OF CONTENTS 1 SERVICING NOTES 2 GENERAL enem nanam nenanem 6 3 DISASSEMBLY 3 1 Disassembly F owW uu u 10 3 2 Side Panel EUR iudei ee anana tenana gabira trate re ana ae 11 2402 Panel lop aaa nagan andaan a ere er 11 MAIN Board ae us awa o 12 3 5 Front Panel Block EC78P UK 12 3 6 Front Panel Block EC68P EC78P US Canadian 13 3 7 Back Panel Blogk uu Lu k paga anaa aaa E aa 13 3 8 3 C
70. 8 Part No 1 795 101 21 Description lt VIBRATOR gt VIBRATOR CERAMIC 16 9344MHz 1379 815 DMP BOARD COMPLETE K K 3 2 6 209 01 1 817 615 21 1 784 863 51 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 1 216 864 11 BRACKET DMPORT lt CONNECTOR gt Remark CONNECTOR SQUARE DMPORT CONNECTOR FFC LIF NON ZIF 11 lt JUMPER RESISTOR gt SHORT CHIP 0 SHORT CHIP 0 SHORT CHIP 0 SHORT CHIP 0 SHORT CHIP 0 C151 C152 C153 C154 C155 C156 C157 C158 C159 C160 C161 C162 C166 C169 C170 C173 C174 C175 C176 C178 CN151 CN152 D151 D152 IC151 IC152 JR151 1 126 960 11 1 126 960 11 1 164 315 11 1 164 315 11 1 162 927 11 1 162 927 11 1 126 960 11 1 126 960 11 1 162 908 11 1 162 908 11 1 162 970 11 1 162 970 11 1 162 968 11 1 128 576 11 1 128 576 11 1 165 621 91 1 165 621 91 1 100 566 91 1 100 566 91 1 100 566 91 1 819 134 11 1 784 766 11 6 500 335 01 6 501 817 01 6 705 621 01 6 600 580 01 1 216 864 11 HI AMP BOARD EC78P K lt CAPACITOR gt ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELEGT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC
71. 9 120 28 8 729 120 28 8 729 120 28 6 551 696 01 6 551 696 01 8 729 120 28 8 729 120 28 8 729 036 86 6 551 696 01 8 729 027 43 8 729 120 28 8 729 120 28 Description lt FILTER gt Remark FILTER CERAMIC FILTER BAND PASS lt C gt BD3499FV E2 BD9701CP V5 NJM4558V TE2 LV23003VA lt JUMPER RESISTOR gt SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP SHORT CHIP lt COIL gt COIL AIR CORE EC78P COIL AIR CORE EC78P COIL AIR CORE COIL AIR CORE INDUCTOR 100uH COIL MW OSC COIL COIL AIR CORE COIL AIR CORE COIL AM ANTENNA lt TRANSISTOR gt TRANSISTOR 12666 TRANSISTOR 25 1623 1516 TRANSISTOR 25 1623 1516 TRANSISTOR 25 1623 1516 TRANSISTOR 25 1623 1516 TRANSISTOR 25 1623 1516 TRANSISTOR 25 1623 1516 TRANSISTOR 25 1623 1516 TRANSISTOR ISA1235AC1TP 1EF TRANSISTOR ISA1235AC1TP 1EF TRANSISTOR 25 1623 1516 TRANSISTOR 25 1623 1516 TRANSISTOR KTC3203Y AT TRANSISTOR ISA1235AC1TP 1EF TRANSISTOR DTC114EKA T146 TRANSISTOR 25 1623 1516 TRANSISTOR 2SC1623 L5L6 Ref No R601 R603 R604 R605 R605 R606 R607 R608 R609 R610 R611 R612 R613 R61
72. AMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP 100uF 4 7uF 0 047uF 0 047uF 1uF 0 047uF 0 047uF 0 0022uF 0 0022uF 3 3uF 0 022uF 1uF 0 001uF 1uF 0 0022uF 1uF 220PF 1uF 1uF 1uF 220PF 1uF 0 0022uF 1uF 10PF 10PF 10uF 0 001uF 1uF 1uF 1uF 0 001uF 100uF 220uF 100uF 470uF 0 022uF 1uF 1uF 0 1uF 0 0022uF 0 0022uF 0 0022uF 0 0022uF 0 068uF 0 068uF 0 068uF 0 068uF 470PF 0 0022uF 0 1uF 0 01uF 0 1uF 0 1uF 1uF 1uF 0 001uF 0 001uF 0 0022uF 470PF 20 20 10 10 20 10 10 10 10 20 10 20 10 20 10 10 10 10 10 10 10 10 10 10 0 5PF 0 5PF 20 5 20 20 20 10 20 20 20 20 10 20 20 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Remark 16V 50V 16V 16V 50V 16V 16V 50V 50V 50V 25V 50V 50V 50V 50V 6 3V 50V 6 3V 6 3V 6 3V 50V 6 3V 50V 6 3V 50V 50V 50V 25V 50V 50V 50V 50V 16V 10V 16V 10V 25V 50V 50V 25V 50V 50V 50V 50V 16V 16V 16V 16V 50V 50V 25V 25V 25V 25V 6 3V 6 3V 50V 50V 50V 50V Ref No C713 C714 C760 C761 C762 C771 C772 C773 C774 C775 C776 C786 C787 C788 C789 C791 C802 C803 C804 C805 C806 C807 C808 C809 C810 C811 C814 C814 C815 C815 C816 C817 C819 C820 C821 C822 C823 C824 C826 C827 C828 C829 C830 C831
73. BR variable bit rate folder and file names that do not follow either ISO9660 Level 1 Level 2 or Joliet in the expansion format e The following are displayed total playing time for a CD DA disc during normal play remaining playing time for a track ID3 tag information for MP3 files when ID3 version 1 and version 2 tags are used ID3 version 2 tag information display has priority when both ID3 version 1 and version 2 tags are used for a single MP3 file up to 15 characters of ID3 tag information using uppercase letters to Z numbers 0 to 9 and symbols lt gt _ This section is extracted from instruction manual Using optional audio components To connect an optional headphones Connect headphones to the PHONES jack 11 on the unit To connect an optional component Connect additional audio source components to the AUDIO IN jack 10 on the unit using an analog audio cord not supplied Turn down the volume on the system and then select the AUDIO IN function To connect a DIGITAL MEDIA PORT adaptor Connect the DIGITAL MEDIA PORT adaptor to the DMPORT 9 on the unit You need to connect the DIGITAL MEDIA PORT adaptor to an optional audio device portable audio player etc Notes on DIGITAL MEDIA PORT adaptor e Available DIGITAL MEDIA PORT adaptors vary in each area Do not connect an adaptor other than the DIGITAL MEDIA PORT adaptor
74. C range Procedure 1 Connect the oscilloscope to TP121 and TP124 VC on the CD board Press the 6 button to turn the power ON and press the 4 button to open the CD disc tray Set disc YEDS 18 on the trey and press the CD button to playback Confirm that oscilloscope waveform is as shown in the figure below eye pattern A good eye pattern means that the diamond shape 9 in the center of the waveform can be clearly distinguished WW NI 1 VOLT DIV 200 mV TIME DIV 500 ns N uu Checking Location CD Board Conductor Side 22 TUNER SECTION 0 dB 1 uV AN Setting FUNCTION AM 000m na loop antenna B Ld level meter set iS loop anten AM RF signal generator modulation by 400 Hz signal MAIN board JACK board Output level 54 dBuV ANTENNA _ PHONES Jack J492 CN801 FM Setting FUNCTION FM FM RF signal MAIN board generator ANTENNA level meter 75kHz frequenc MAIN board JACK board deviation bi 1 ANTENNA PHONES jack J492 Output level as low as possible 8dBuV digital voltmeter MAIN board e Repeat the procedures In each adjustment several times IC801 pin TUNER VT AM FREOUENCY COVERAGE ADJUSTMENT Except EC78P UK model Adjustment Part Frequency Display L801 530 kHz 15 01V 1 710 kHz 8 05V AM FREQUENCY
75. COVERAGE ADJUSTMENT EC78P UK model Adjustment Part Frequency Display L801 531 kHz 15 01V 1 602 kHz 7 2 0 5V AM TRACKING ADJUSTMENT Except EC78P UK model Adjust for a maximum reading on level meter L805 530 kHz AM TRACKING ADJUSTMENT EC78P UK model Adjust for a maximum reading on level meter L805 531 kHz FM FREQUENCY COVERAGE ADJUSTMENT Adjustment Part Frequency Display L803 87 5 kHz 1 5 01V 108 kHz 62 05 TRACKING ADJUSTMENT Adjust for a minimum reading on level meter L804 98 MHz Adjustment Location MAIN board See page 24 FM DETECTOR ADJUSTMENT Setting FUNCTION FM MAIN board MAIN board 1C801 2 ANTENNA TUNER OUT L ch FM RF signal CN801 pin B generator level meter 32 set IL F MAIN board Carrier frequency 93MHz MAIN board JW801 TUNER GND Modulation ANTENNA deviation by FM 75 kHz CN801 Output level 60 dBuV 1 Turn the set to 98 MHz Adjust L802 so that modulation distortion may become the best in the vicinity of the maximum value where the tuner out level becomes 15dBuV or more HCD EC68P EC78P FM AUTO STOP CHECK generator Procedure 1 Turn the power on 2 Input the following signal from Signal Generator to FM an tenna input directly Carrier Freq 87 5 MHz B 98 MHz C 108 MHz Deviation 75 kHz Modulation 1 kHz ANT input 35 dBu EMF Note Please use 75 ohm coaxial ca
76. CTION and at last 10 si multaneously 3 When RESET appears the set enters standby status PANEL TEST MODE Enter The Panel Test Mode Procedure 1 In the standby status press the I D button to turn the power on 2 Press three buttons of DISPLAY B and FUNCTION si multaneously 3 When the panel test mode is activated LEDs and segments of the liquid crystal display are all turned on Version Check Procedure 1 In the panel test mode all LEDs and segments of the liquid crystal display are turned on press the FUNCTION button 2 On the liquid crystal display date and version are displayed For example 1114 102 3 From this status press the H button and the destination and model name are displayed For example CE2 and ESLO 4 release from this mode press three buttons of DISPLAY B and FUNCTION simultaneously Key Test Mode Procedure 1 In the panel test mode all LEDs and segments of the liquid crystal display are turned on press the DISPLAY button 2 The message KEXO 0 O displayed Whenever any buttons are pressed and the VOLUME dial is turned the value 15 changed 3 release from this mode press three buttons of DISPLAY Bi and FUNCTION simultaneously CD REPEAT 5 LIMIT CANCEL MODE Number of repeats for CD playback is 5 times when the repeat mode is REPEAT This mode enables CD to repeat playback for
77. D Mechanism Block EC78P UK 14 3 9 Base Unit EC ISP 0 14 3 10 1 CD Mechanism Block EC68P EC78P US Canadian 15 11 Unit EC68P EC78P US Canadian 15 12 Belt EC68P EC78P US Canadian 16 13 Belt ECT8P UK 16 14 OP Base Assy 2130 17 4 TEST 18 5 ELECTRICAL ADJUSTMENTS 22 6 DIAGRAMS 6 1 Block Diagram CD SERVO TUNER Section 25 6 2 Block Diagram MAIN Section 26 6 3 Printed Wiring Board CD Board 28 6 4 Schematic Diagram CD Board 29 6 5 Printed Wiring Boards MAIN Section 30 6 6 Schematic Diagram MAIN Section 1 3 31 6 7 Schematic Diagram MAIN Section 2 3 32 6 8 Schematic Diagram MAIN Section 3 3 33 6 9 Printed Wiring Board HI AMP Board EC78P 34 6 10 Schematic Diagram HI AMP Board EC78P 34 6 11 Printed Wiring Board LOW AMP Board 6 12 Schematic Diagram LOW AMP Board 35 6 1
78. D SBSY i CD 14 R331 W301 CN803 O CD REQ IN EE JJ bqd C 3 E TP316 R316 100 O CD CCE CHASSIS TP317 R317 100 O CD BUCK O CD BUCK TP327 M GND 1 3 SEG9 l 3CD SW1 O CDM OPEN SEG9 5 O M1 CDM M lt 13 _ O 3CD M1 O CDM M1 TP344 R433 470 I DMP TXD a l DMP TXD l RMC SEG7 w w TP345 R434 470 l DMP 5V DET I DMP 5V DET D302 MA2J1110GLS0 w O 3CD M1 O CDM M1 SEG6 LED STBY 9735 R435 470 O DMP TXD O DMP RXD 3 w O 3CD M24 NC IC301 SEG5 N zE 5 m 3 lt 2 6 p 5 lt 8 m 18318 R318 100 IO BUS3 IO BUS3 LED301 TP319 R319 100 IO BUS2 1L0341Y23E0CA602 0 8052 TP320 R320 100 l O BUS1 20 SEG15 R321 100 0 BUSO STANDBY 2 SEG32 IO BUSO W O AMP ON TP322 R322 100 O CD RST 95 TP323 R323 100 l P MONI 2 O POWER D mue 5 2 O CD ON CD D GND 25 10 I SW2 13 SEG10 TP326 I 3CD SW2 NC SEG10 2 26 I SW1 CDM OPEN i O 3CD M2 NC SYSTEM CONTROLLER SEG4 22 NETS E 32 268K Ec78P UK IC301 SEG3
79. EPT EC78P UK 27 HCD EC68P EC78P 6 3 PRINTED WIRING BOARD CD Board page 27 for Circuit Boards Location e hr Uses unleaded solder 1 2 3 4 9 6 7 8 9 CD BOARD CONDUCTOR SIDE ik ul ivi C ul p MAIN BOARD CN608 Page 30 l LI LM DUE DU 4 i e O DA HCD EC68P EC78P 8 6 4 SCHEMATIC DIAGRAM CD Board See page 39 for waveforms See page 42 for IC Block Diagrams See page 43 for IC Pin Function Description A 2 3 4 5 6 7 8 9 10 11 12 13 14 15 C D B A R D BX5BT CBX1 R127 C107 R126 0 0 1 R125 R120 gt i Q301 5 25 2119 R134 CN301 1M N AUTOMATIC POWER 168 C301 c 0 1 CONTROL R136 R135 22k 470k C138 470p HCD EC68P EC78P CN201 21P 17 18 Vcliel 1 p 15 OPTICAL PICK UP B 11 200 1 ZDET LRCKIN BLOCK C 10 10
80. ET DMPORT 7 3 CHASSIS SECTION Ref No 101 102 104 105 A 106 A 106 A 106 107 107 Part No 1 832 838 21 4 225 252 01 3 701 748 00 3 254 143 11 1 769 744 81 1 834 967 21 1 834 978 11 1 834 181 21 1 835 334 21 main section not supplied AC HOLD board Description Remark CABLE FLEXIBLE FLAT 13 CORE EC78P UK CUSHION FOOT CLAMP SCREW B3 BV TAPPING CORD POWER EC78P UK CORD POWER EC68P AUS CORD POWER EC68P US EC78P US CND CABLE FLEXIBLE FLAT 21 CORE EC78P UK CABLE FLEXIBLE FLAT 21 CORE Ref No 108 109 M601 M601 1 2 1 832 666 21 3 229 336 11 1 787 400 11 1 787 631 11 1 685 647 79 1 685 661 14 HCD EC68P EC78P Remark EC68P EC78P US CABLE FLEXIBLE FLAT 5 CORE EC68P EC78P US CND Description SCREW BVWH TAPPING EC78P UK D C FAN EC68P EC78P UK FAN DC EC78P US CND SCREW BVTP 3X10 TVPE2 IT 3 SCREW BVTP 4X12 TYPE2 N S 49 HCD EC68P EC78P 7 4 MAIN SECTION 151 not supplied REG board Ref No 151 151 151 151 152 153 154 50 Pari 1379 655 1379 713 1426 105 1426 163 1 831 44 21 1 835 276 21 3 905 609 31 not supplied HOLD board gt MU 7 Lily NDA NAN bh 9
81. FF The error has occurred during the initialization operation 8 It indicates the processing during which the trouble has oc curred 01 The disc EJECT processing is in progress 02 The disc INSERTION WAITING processing is in prog ress 03 Processing of the disc INSERTION REQUEST for the up per CD tray is in progress 04 Processing of the disc EJECTION REQUEST for the up per CD tray is in progress 05 The disc pulling in operation is in progress 06 The disc chucking processing is in progress 07 The disc re chucking processing is in progress 08 The disc chucking release completion operation is in prog ress 4 It indicates the operation during which the trouble has oc curred 00 Waiting for the operation 10 to 13 The disc EJECT operation is in progress 20 The disc pulling in operation is in progress 30 The disc chucking release operation is in progress 40 to 43 The disc EJECT operation due to error is in prog ress Contents of BD Errors Error display example D 0 02 09 01 It indicates the error history number 0 to 9 The error code number 0 indicates the newest error 2 It indicates the error content 01 The focus servo cannot lock in 02 GFS is no good NG 03 The startup time exceeds the specified period of time time Over 04 The focus servo is unlocked continuousiv 05 Q code cannot be obtained within the specified period of time 06 The tracking serv
82. HIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP Remark 470PF 10 50V 47uF 20 35V 100uF 2090 25V 470uF 20 16V 100uF 2090 10V 1uF 2090 50V 1uF 2090 50V 1uF 2090 50V 1uF 2090 50V 47uF 20 35V 22uF 20 25V 1uF 10 6 3V 1uF 10 6 3V 0 015uF 1090 25V 0 015uF 1090 25V 0 01uF 10 25V 100uF 20 16V 1uF 10 6 3V 18PF 5 50V 0 47uF 10 6 3V 470PF 10 50V 1uF 10 6 3V 18PF 5 50V 0 001uF 10 50V 0 001uF 10 50V 0 001uF 10 50V 0 0047uF 10 50V EC68P AUS EC78P UK 0 01uF 10 25V EC68P US EC78P US CND 0 0047uF 10 50V EC68P AUS EC78P UK 0 01uF 10 25V EC68P US EC78P US CND 0 01uF 10 25V 0 01uF 10 25V 470PF 10 50V 0 25PF 50V 0 0022uF 10 50V 22uF 20 50V 220uF 20 10V 1uF 10 10V 0 001uF 10 50V 0 047uF 10 16V 100PF 5 50V 0 47uF 10 6 3V 2PF 0 25PF 50V 0 47uF 10 6 3V 0 47uF 10 6 3V 220uF 20 10V 10PF 0 5PF 50V 0 047uF 10 16V 0 022UF 10 25V 10PF 0 5PF 50V 0 001uF 10 50V 0 1uF 10 25V 0 001uF 10 50V 0 1uF 25V 0 1uF 10 25V 0 22uF 10 10V 0 01uF 10 25V 97 HCD EC68P EC78P Ref No C847 C848 C850 CF801 CN601 CN602 CN603 CN604 CN605 CN608 CN609 CN632 CN633 CN801 CN803 D601 D602 D603 D604 D605 D606 D607 D608 D609 D610 D611 D612 D614 D615 D617 D618 D619 D620 D621 D622 D628 D629 D630 D631 D701
83. IC770 R R CH R R CH o ANN RXD O USB RXD O DMP RXD DET 45 l DMP DET O USB RST LED301 STANDBY 28 O LED STBY D LED DRIVE Q301 CONTROL RECEIVER IC302 SW301 303 308 SW309 310 L SW311 319 FRONT PANEL KEYS I KEY1 I KEY2 I XEY WAKEUP VOL 6 1 EC78P UK 37 38 41 ROTARY VOLUME ENCODER 9301 HCD EC68P EC78P SYSTEM CONTROLLER I USB DO I DMP 5V DET O USB DI SV ON O TP REC MUTE IC102 EC78P US CND STANDBY SWITCH Q608 J492 PHONES POWER AMP IC151 EC78P UK IC152 EC78P US CND OVER LOAD DETECT Q101 102 OVER LOAD DETECT Q151 152 1 5V PROTECT DETECT Q611 612 D628 DC DETECT Q618 N R CH s FAN MOTOR DRIVE Q601 602 PROTECT DETECT Q605 606 PROTECT DETECT Q603 9V CD 1 5V REGULATOR IC201 13 3V D631 CD 3 3V lt REGULATOR 4 622624 3V D617 TUNER 3V REGULATOR Q801 5V VH TUNER 5V REGULATOR VH 9V REGULATOR IC601 5V DMPORT 5V lt REGULATOR IC701 RELAY lt 5 D602 606 TB602 gt I SPEAKER IMPEDANCE of cem RCH gt SPEAKER R LOWFREQ gt IMPEDANCE USE 80 RY601 oo gt Je SPEAKER
84. IP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT CHIP METAL CHIP SHORT CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 470 470 470 470 22 22 22 22 10 22 10 1 1 1 1 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0 EC78P UK 1K 5 0 EC78P UK 10K 10K 33K 68K 470 10K 10K 10K 10K 1K 5 5 5 5 5 5 5 5 5 5 Remark 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W 1 10W 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W 1 10W 1 10W EC78P UK 1 10W EC78P UK 1 10W EC78P UK 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Ref No R386 R387 R389 R389
85. K 100 470 0 470 1K 1K 47K 100K 10K 10K 0 47 47 10K 10K 47K 22K 22K 4 7K 56K 22K 27K 2 2K 10K 4 7K 1K 10K 1K 4 7K 10K 10K 4 7K 220 220 10K 1K 100 1K 68 68 68 22K 100 15 15 15 4 7K 4 7K 100K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remark 1 4W 1 4W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 2W F 2W F 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 AW 1 4W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 4W 1 4W 1 4W 1 10W 1 10W 1 4W 1 4W 1 4W 1 10W 1 10W 1 10W 59 HCD EC68P EC78P Ref No R731 R732 R741 R742 R749 R750 R751 R752 R753 R754 R759 R761 R762 R763 R767 R768 R769 R770 R771 R772 R773 R774 R775 R776 R777 R778 R779 R780 R781 R782 R783 R784 R785 R786 R787 R788 R791 R792 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R818 R819 R820 R821 R822 60 Part No 1 216 809 11 1 216 809 11 1 216 821 11 1 216 821 11 1 216 829 11 1 216 829 11 1 216 830 11 1
86. L Ez Tat Ff q i M ball ih a 1 302 gt K 3 05 ES 7 MA TS 0 0 AW 4 A E LEK L 2 ON KV IN E AIT a eR m 2222 01112212 NOG MI EUM T SEN EEN BOARD BB 2 SS Y 2 gt 21 40 1 2 NS F d PEN 1 N Yo 22 19 gt D O lt 3 5229 p u MM JR313 Ws60 B H S LIR RI H 77 ja Z 96 JI6L SW303 Ni Z 0157 2252 l 2 MR is m VVO O QIMANAS A MRO R319 m 01 Ni U 239201 1319 x 4 VV 6 D 1 93221 20 SU A AT fe da Q Q Q S S L E 1 2 1 5 333 ii a 7 ENTE qu 2 G A m d ONG ADI zu 27247 B A 1 2 2 if 18775 Nw T TH U TIHINEN 8 200 2944 n 340 35
87. METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL OKIDE METAL OKIDE METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 2SA2026 2SA2026 220 1 8K 220 1 8K 22K 22K 47K 1K 1K 470 470 47K 47K 0 100 1K 220 220 220 220 0 22 0 22 1 2K 1 2K 22K 22K 2 2K 2 2K 470 470 5 Remark 1 10W EC78P US CND 5 5 1 10W EC78P UK 1 10W EC78P US CND 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 10W EC78P UK 110W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 2W F 2W F 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W C491 C495 C496 J491 J492 R491 R492 1 164 156 11 1 162 964 11 1 162 964 11 1 566 822 51 1 815 629 21 1 216 837 11 1 216 837 11 JACK BOARD CAPACITOR gt CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP lt JACK gt JACK AUDIO IN JACK PHONES lt RESISTOR gt METAL CHIP METAL CHIP 0 1uF 0 001uF 0 001uF 22K 22K 1096 1096 5 5 25 50V 50V 1 10W 1 10W
88. METAL CHIP METAL CHIP 100 100 1K 1K 4 7K 4 7K 5 6K 5 6K 5 6K 5 6K 47 4 7K 33K 1K 0 47 10K 47 22K 22K 22K 22K 22K 22K 22K 22K 4 7K 4 7K 33K 56K 100K 100K 100K 100K 15K 15K 100K 220K 100 2 2K 22 470K 47K 22K 22 100 4 7K 100K 47K 470K 22K 10K 1K 47K 10K 33K 4 7K 4 7K 100 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 2W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W F Ref No R823 R824 R825 R826 R827 R829 R830 R831 R832 R836 R837 R838 R839 R840 R841 R842 R843 R844 R845 R846 R847 RY601 RY602 1801 TB601 TB602 TB602 X801 CNO01 S001 Part No 1 216 833 11 1 216 817 11 1 216 829 11 1 216 821 11 1 216 845 11 1 216 829 11 1 216 827 11 1 216 825 11 1 216 857 11 1 218 867 11 1 216 845 11 1 216 837 11 1
89. N S lt CAPACITOR gt ELECT 47uF 20 35V ELECT 22uF 20 25 CERAMIC CHIP 0 0047uF 10 50V EC78P CERAMIC CHIP 0 1uF 10 25V EC78P CERAMIC CHIP 0 1uF 10 25V EC78P CERAMIC CHIP 0 0047uF 10 50 EC78P CERAMIC CHIP 0 1uF 10 25V CERAMIC CHIP 0 1uF 10 25V CERAMIC CHIP 0 0047uF 10 50 CERAMIC CHIP 0 0047uF 10 50V CERAMIC CHIP 0 22uF 10 16V CERAMIC CHIP 0 22uUF 10 16V ELECT 10uF 20 50 ELECT 20 50 CERAMIC CHIP 0 1uF 10 25 EC78P CERAMIC CHIP 0 1uF 10 25V EC78P CERAMIC CHIP 0 1uF 10 25V CERAMIC CHIP 0 1uF 10 25V CERAMIC CHIP 0 01UF 10 25V ELECT 100uF 20 10V MYLAR 0 1uF 100V ELECT 3300uF 20 63V EC78P US CND ELECT 3300uF 20 50 EC78P UK ELECT 22002 20 50V EC68P MYLAR 0 1uF 100V ELECT 3300uF 20 63 EC78P US CND ELECT 3300uF 20 50 EC78P UK ELECT 22002 20 50V EC68P ELECT 2200uF 20 25 ELECT 1000uF 20 25V CERAMIC CHIP 0 0047uF 10 50 ELECT 47uF 20 35 Ref No C631 C632 C633 C634 C636 C637 C638 C639 C640 C641 C642 C644 C645 C646 C647 C648 C649 C650 C652 C654 C655 C656 C657 C658 C659 C660 C661 C662 C663 C664 C665 C666 C667 C669 C671 C673 C674 C675 C676 C679 C680 C681 C682 C683 C684 C685 C686 C687 C689 C690 C691 C692 C693 C694 C695 C696 C699 C700 C703 C704 Part No 1 126 933 11 1 126 963 11 1 165 176 11 1 165 176 11 1 126 960 11 1 165 176
90. OR BOARD EC68P EC76P US K 7 K 3 lt CONNECTOR gt CONNECTOR FFC LIF NON ZIF 5P lt SWITCH gt SWITCH LEVER SLIDE A 1379 659 A A 1379 717 A A 1426 107 A A 1426 165 A 2 649 178 01 2 649 179 01 2 665 175 01 PANEL BOARD COMPLETE PANEL BOARD COMPLETE PANEL BOARD COMPLETE PANEL BOARD COMPLETE PLATE LIGHT GUIDE SHEET LCD SHEET REFLECTOR EC78P US CND EC68P US EC78P UK EC68P AUS HCD EC68P EC78P Ref No No Description Remark Ref No No Description Remark lt CAPACITOR gt lt DIODE gt C301 1 164 156 11 CERAMIC CHIP 0 1uF 25V D301 6 501 722 01 DIODE MAZ8043GMLS0 C302 1 126 964 11 ELECT 10uF 20 50V D302 6 501 817 01 DIODE MA2J1110GLS0 C303 1 126 964 11 ELECT 10uF 20 50V D303 6 500 334 01 DIODE MC2836 T112 1 C304 1 100 597 91 CERAMIC CHIP 0 1uF 10 25V D304 6 501 817 01 DIODE MA2J1110GLS0 C305 1 126 964 11 ELECT 10uF 20 50V D305 6 501 817 01 DIODE MA2J1110GLS0 EC78P UK C306 1 104 655 91 ELECT 470uF 20 6 3V D306 8 719 063 79 DIODE 1N4002B EC68P EC78P US C3
91. P 1EF 4700p CO O e PROTECT R672 10k D614 MA2J1110GLSO Q608 2SC3052F T1 LF STANDBY SWITCH 2 3 N 2200 50V EC68P 3300 50V EC78P UK 3300 63V EC78P US CND Q612 C629 SP RELAY R644 R663 1k 1k Q611 612 PROTECT DETECT Q604 2SC3052F T1 LF RELAY DRIVE Q611 2SC3052F T1 LF Q605 606 PROTECT DETECT D615 1N4002B 1N5402 F46 Q606 2SC3052F T1 LF MA2J1110GLS0 EC78P 0612 2A02M D611 2 02 i 0630 1N4002B C623 0 1 100V C622 R792 220k ISA1235AC1TP 1EF I P MONI 15 C612 0 22 O gt Ok Ok x R616 619 1 HCD EC68P EC78P 17 18 10k R618 10k R617 0 1 100V 3 9k EC68P 10k EC78P UK 15k EC78P US CND R622 33k R616 gt C621 Q619 2SC3052F T1 LF RELAY DRIVE MC2838 T112 1 PROTECT O POWER VL AC PT BOARD GND CN051 VL AC P age VH AC B B lt gt AUDIO R lt TP631 P GND JACK BOARD MP ON Page TP632 9 gt I gt gt gt 5 0 20 gt 9P d P RELAY 38 31 31 HCD EC68P EC78P HCD EC68P EC78P 6 7 SCHEMATIC DIAGRAM MAIN Section 2 3 See page 39 for wa
92. S and Canadian models RMS output power reference Low channel 95 W 495 W per channel at 8 1 kHz 10 THD High channel 95 W 95 W per channel at 8 8 kHz 10 THD HCD EC78P UK model Power output rated Low channel 50 W 50 W at 8 0 1 kHz 1 THD High channel 50 W 50 W at 8 O 8 kHz 1 THD RMS output power reference Low channel 70 W 70 W per channel at 8 1 kHz 10 THD High channel 70 W 70 W per channel at 8 8 kHz 10 THD HCD EC68P RMS output power reference 70 W 70 W per channel at 6 1 kHz 10 THD 9 889 053 01 Sony Corporation 2008 05 1 Audio Business Group 2008 03 Published by Sony Techno Create Corporation SPECIFICATIONS Inputs AUDIO IN stereo mini jack Sensitivitv 800 mV impedance 22 kilohms Outputs PHONES stereo mini jack Accepts headphones with an impedance of 8 O or more SPEAKER impedance HCD EC78P 8 HCD EC68P 6 D player section System Compact disc and digital audio system Laser Semiconductor laser 2770 810 nm Emission duration continuous Frequency response 20 Hz 20 kHz Signal to noise ratio More than 90 dB Dynamic range More than 88 dB Tuner section FM stereo FM AM superheterodyne tuner Antenna FM lead antenna AM loop antenna FM tuner section Tuning range North American model 87 5 108 0 MHz 100 kHz step UK and Australian models 87 5 108 0 MHz 50 kHz step Intermediate frequency 10 7 MHz AM
93. STANDBY indicater __ I l USB DO I DMP 5V DET E Power voltage detection signal input terminal O USB RXD EX O DMP RXD Serial data output to the DMPORT connector 82 AVCC Power supply terminal 3 1V mm I TU DO EN Serial data input from the AM FM DET Q USB D SV ON Power on off control signal output terminal O TP REC MUTE 9 p AVSS ER Ground terminal 1 Power monitor signal input terminal Lm 38 I KEY1 I KEY2 Front panel key input terminal A D input I TU ANSD KTUANSD i Power monitor signal input terminal O USB SEL1 2 O SW EN ON I TP STATE Tape syate detection signal input terminal Not used KEY WAKE UP VOL System wake up signal input terminal I HOLD EN Hold signal input terminal KAN _ O E 002000 Subcode block sync signal input from the CD MP3 processor Ground terminal gt eee terminal I DMP DET EIE O USB RST n DMPORT connector detection signal input terminal I MODEL Model setting terminal SUFFIX Suffix Suffix setting terminal terminal EN 1CD n CD table open close detection signal input terminal EC78P UK model O IZC DATA Two way serial data bus with the electrical volume O IZC CLK EN Serial data transfer clock signal output to
94. Tani DMP L u NF 0772 1 50V 50V I CN901 DMP BOARD 18P o BUS 5V F lt 2 gg 2 2 2 VBUS 5V MP RXD MP TXD MP DET DMP RXD VBUS 5V VBUS 5V 7 N EE 33 33 HCD EC68P EC78P HCD EC68P EC78P 6 9 PRINTED WIRING BOARD HI Board EC78P See page 27 for Circuit Boards Location hr Uses unleaded solder _ 0 1 2 j 3 4 022 HI AMP BOARD MAIN BOARD E CN602 MAIN Page 30 BOARD CN632 Page 30 6 10 SCHEMATIC DIAGRAM HI AMP Board EC78P 1 2 3 4 5 6 7 6 9 POWER AMP POWER AMP IC151 IC152 STK433 070 STK433 090 F EC78P UK EC78P US CND EC78P UK EC78P US CND Q151 152 OVER LOAD DETECT MC2838 T112 1 R163 47k R164 47k R162 470 AW C158 1 50V R151 152 220 EC78P US CND NR CN802 D 1 8k EC78P UK Page 31 R172 C166 100 4700 kem KENN mamana mam m a wa ma s m wa m wa wm w NE ws m aa m m wa wa m wa m mam mr mwa m mara w m wa mat IS
95. The system is reading information from the disc Some buttons are not available TIME The Play Timer start and end times are set to the same time HCD EC68P EC78P SECTION 3 DISASSEMBLY e This set can be disassembled in the order shown below 3 1 DISASSEMBLY FLOW 3 2 SIDE PANEL L R Page 11 3 3 PANEL TOP Page 11 3 5 FRONT PANEL BLOCK EC78P UK Page 12 3 4 MAIN BOARD Page 12 3 8 3 MECHANISM BLOCK EC78P UK Page 14 3 13 BELT 3 9 BASE UNIT EC78P UK EC78P UK Page 14 Page 16 3 14 OP BASE ASSY KSM 213D Page 17 EC78P UK 10 3 6 FRONT PANEL BLOCK EC68P EC78P US Canadian Page 13 3 10 1 CD MECHANISM BLOCK EC68P EC78P US Canadian Page 15 3 11 BASE UNIT EC68P EC78P US Canadian Page 15 3 12 BELT EC68P EC78P US Canadian Page 16 3 14 OP BASE ASSV KSM 213D Page 17 EC68P EC78P US Canadian 3 7 BACK PANEL BLOCK Page 13 HCD EC68P EC78P Follow the disassembly procedure in the numerical order given Note SIDE PANEL L R 3 2 two screws BVTP3 x 10 AM NN QS two screws BVTP3 x 10 KANA NANG N un CULLA Lom w Ww OM gt 8 S NA side panel L side panel R case3 TP four screws PANEL TOP 3 3 panel top B two sc
96. a track or file 44 go back go forward or gt gt on the unit 2 Hold down 44 gt gt rewind fast forward 2 during playback and release the button at the desired point Find a point in a track or file Select Repeat Play REPEAT 26 repeatedly until REP or REP1 appears To change the play mode Press PLAY MODE 15 repeatedly while the player is stopped You can select normal play no display for all discs or 1 DISC for a disc or E for all MP3 files in the folder on the disc shuffle play SHUF for all discs shuffle 1 DISC SHUF for one disc shuffle or E SHUF for folder shuffle or program play PGM When playing a CD DA disc operation as 1 DISC SHUF Play SHUF Play performs the same Notes on Repeat Play e All tracks or files on a disc are played repeatedly up to five times e You cannot select REP and SHUP all discs shuffle at the same time e REP1 indicates that a single track or file is repeated until you stop it Notes on playing MP3 discs e Do not save other types of tracks or files or unnecessary folders on a disc that has MP3 files e Folders that have no MP3 files are skipped e MP3 files are played back in the order that they are recorded onto the disc e The system can only play MP3 files that have a
97. a weak signal If TUNED does not appear and the scanning does not stop press TUNING MODE 15 repeatedly until MANUAL appears and then press or TUNING on the unit 2 repeatedly to tune in the desired station To reduce static noise on a weak FM stereo station Press FM MODE 26 repeatedly until MONO appears to turn off stereo reception Changing the display To Press Change DISPLAY 6 repeatedly when information on system is turned on the display Change Display DISPLAY 6 repeatedly when the mode See below system is turned off For example you can view CD MP3 disc information such as track or file number during normal play track or file name JJ during normal play artist name during normal play album or folder name C7 during normal play total playing time while the player is stopped The system offers the following display modes Display mode When the system is off Power Saving The display is turned off to conserve Mode power The timer and clock continue to operate Clock The clock is displayed D You cannot set the clock in Power Saving Mode 2 The clock display automatically turns to Power Saving Mode after eight seconds Notes on the display information e Characters that cannot be displayed appear as _ The following are not displayed to
98. an models See page 27 for Circuit Boards Location ar Uses unleaded solder Page 36 SS 1 866 548 6 18 SCHEMATIC DIAGRAM MOTOR Board EC68P EC78P US Canadian models 1 2 3 4 A _____ MOTOR BOARD OPEN M001 LOADING CLOSE CD TRAY j 5 B BOARD Page 37 HCD EC68P EC78P 39 e Waveforms CD Board 1 IC101 6 RFi CD play mode NO N ANNA 0 5 to 1 3 Vp p 200 mV DIV 500 ns DIV 2 IC101 4 XO CD play mode 1 V DIV 20 ns DIV 39 MAIN Board 01 IC801 XIN JV VN 1 Vp p 13 3 us 500 mV DIV 5 us DIV HCD EC68P EC78P PANEL Board 81 IC301 X1A 3 3 Vp p 30 5 us 1 V DIV 10 us DIV G3 301 9 X1 3 Vp p 166 ns 1 V DIV 50 ns DIV HCD EC68P EC78P 6 19 PRINTED WIRING BOARD PT Board See page 27 for Circuit Boards Location hr Uses unleaded solder _ __1 2 j 83 4 j 5 PT BOARD 0000000000000000000 EC68P US EC78P 68P AUS RANSFORMER EC68P US EC78P EC68P AUS RANSFORMER NOT REPLACEABLE BUILD IN TRANSFO HCD EC68P EC78P 40 40 HCD EC68P EC78P 6 20 SCHEMATIC DIAGRAM PT Board N mi CO cO N 3 2836 D052 MC2838 T112 1
99. ars while the player is stopped To delete the last track or file of the program Press CLEAR 16 while the player is stopped To view program information such as total track number of the program Press DISPLAY 6 repeatedly Presetting radio stations You can preset your favorite radio stations and tune them in instantly by selecting the corresponding preset number 1 Tunein the desired station See Listening to the radio 2 Press TUNER MEMORY 23 Preset number NA I TUNED 57 3 Press or TUNING on the unit repeatedly to select your desired preset number N If another station is already assigned to the selected preset number the station is replaced by the new stations 4 Press C 118 Repeat steps 1 through 4 to store other stations You can preset up to 20 FM and 10 AM stations The preset stations are retained for about half a day even if you disconnect the power cord or if a power failure occurs 6 Tocallupa preset radio station press TUNING MODE 13 repeatedly until PRESET appears and then press or TUNING on the unit 2 repeatedly to select the desired preset number Using the timers The system offers two timer functions If you use both timers the Sleep Timer has priority Use buttons on the remote to use the timer functions Sleep Timer You can fall as
100. ble to connect SG and the set You cannot use video cable for checking Please use SG whose output impedance is 75 ohm 3 Set to FM tuner function and scan the input FM signal with automatic scanning 4 Confirm that input Frequency of A B and C detected and auto matic scanning stops The stop of automatic scanning means The station signal 15 re ceived in good condition 23 HCD EC68P EC78P Adjustment Location and Connecting Points MAIN Board Component Side L801 FM Frequency L804 Coverage Adjustment AM Tracking Adjustment L802 FM Detector Adjustment L803 FM Frequency Coverage Aqjustment L805 AM Tracking Adjustment MAIN Board Conductor Side 3 CN801 IC801 TUNER VT 36 19 IC801 18 1 JW801 IC801 pin 42 TUNER OUT L ch TUNER GND 24 HCD EC68P EC78P SECTION 6 DIAGRAMS 6 1 BLOCK DIAGRAM CD SERVO TUNER Section CN801 ANTENNA FM AM 3 BAND PASS FILTER gt 36 FM RF IN FM DET OUT 6 E gt gt 2 MPXIN L OUT 12 gt TUNER L A FL803 L805 R OUT 13 R CH AM TRACKING i 1 RF IN AM DET OUT 24 L801 COVERAGE l 9V 5 31 AM OSC L804 OSC MIX PLL IF AMP js 84 FM RF OUT IC801 TRACKING L803 FREQUENCY COVERAGE 32 FIM OSC L802 2 5 FM 1 FMDET 58888 5
101. cation EC68P US EC78P US and Canadian models AC 120 V 60 Hz EC68P Australian model AC 230 240 V 50 60 Hz EC78P UK model AC 230 V 50 60 Hz HCD EC68P EC78P SECTION 2 GENERAL HCD EC68P EC78P US and Canadian models Basic Operations 1 1213 4 2 S fle N 9 Mi co This manual mainly explains operations using the remote but the same operations can also be performed using the buttons on the unit having the same or similar names Before using the system To use the remote Slide and remove the battery compartment lid 20 and insert the two R6 size AA batteries supplied side first matching the polarities shown below Notes on using the remote e With normal use the batteries should last for about six months Do not mix an old battery with a new one or mix different types of batteries e If you do not use the remote for a long period of time remove the batteries to avoid damage from battery leakage and corrosion e Batteries installed devices shall not be exposed to excessive heat such as sunshine fire or the like To set the clock 1 Turn on the system Press 1 on standby 1 to turn on the system 2 Select the clock set mode Press TIMER MENU 17 The hour indication flashes If PLAY SET
102. d also use the procedure in the printed matter which is included in the repair parts The flexible board is easily damaged and should be handled with care NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pickup block Therefore when checking the laser diode emission observe from more than 30 cm away from the objective lens UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free mark LF indicating the solder contains no lead Caution Some printed circuit boards may not come printed with the lead free mark due to their particular size IH LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time Soldering irons using a temperature regulator should be set to about 350 C Caution The printed pattern copper foil may peel away if the heated tip 1s applied for too long so be careful Strong viscosity Unleaded solder is more viscou s sticky less prone to flow than ordinary solder so use caution not to let solder bridges occur such as on IC pins etc Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to
103. e five modes contained in the CD Servo Test Mode that are the S Curve Mode the RAM Read Mode the RAM Write Mode the Command Out Mode and the Error Rate Mode as described below Also use these keys to move between the menus within the respective five modes When 3 is pressed the screen ad vances to the next menu or to the next mode When is pressed the screen returns back to the previous menu or to the previous mode Use these keys also to increase or decrease the numeric value when changing the numeric value Pressing 4 increases the value and pressing Fy decreases the value DSGX EQ Use these keys to move between the different layers of the hierarchy of the CD Servo Test Mode shown below Press DSGX to move down to the lower layer and press EQ to move up to the higher lay e TUNING gt gt PPI IK lt lt TUNING Use these keys to move the cursor to the right digit or to the left digit in the six digit number when changing the numeric value Press TUNING PPI to move the cursor to the right and press lt lt TUNING to return the cursor to the left FUNCTION Use this key to execute Command Out in the Com mand Out Mode HCD EC68P EC78P CD Servo Test Mode Tree Higher layer 4 Lower layer of menu hierarchy S Curve Mode LD ON BDT S CU RAM Read Mode BDTRAM R RAM Write Mode BDTRAM W Command Out Mode BDT COMO LD
104. erminal 8 AVDD3 Powersupplyterminal 33V 9 FOo Focus coil drive signal output terminal uv U I s C 10 TRo Tracking coil drive signal output terminal uu U III I 11 VREF Reference voltage 1 65V inputterminal 12 0 Sled motor drive signal output terminal II 13 Spindle motor drive signal output terminal 14 VSSP3 Groundterminl I s s 15 Vcoi I control voltage input terminal 16 VDDP3 Power supply terminal 33 17 Vpp1 Powersupply terminal 1 5V 18 VSS Ground terminal 19 FG signal input terminal Notusd T s s 20 IO0 HSO Discinner position detection signal input terminal TT T 21 IOf UHSO 0 Notused 22 XVSS8 Ground terminal 29 X System clock input terminal 16 9344 II I I I 24 o System clock output uem 16 9344 MHz 235 XVDD3 Power supply terminal 53 3 V 26 PDVSS3 Grundtemial 0000000000000 27 RO Audio data R ch output to the input selector U 28 DVDp3 Power supply terminal 3 3V 29 DVR Referencevoltage i1 65Vjoutputterminal 30 10 O Audio data L ch output to the inputselector 31 DVSS3 Ground terminal I s s s ss 32 VDDTS Power supply terminal 33 33 VSS1
105. ess time is increased To turn on CD player power repeat the procedure until CD POWER ON appears To reset the system to factory settings If the system still does not operate properly reset the system to factory settings Use buttons on the unit to reset the unit to its factory default settings 1 Disconnect and reconnect the power cord and then turn on the system 2 Press W 4 FUNCTION 5 and I 1 at the same time All user configured settings such as preset radio stations timer and the clock are deleted Messages CANNOT LOCK The system cannot be locked after you have done the procedure of When carrying this system COMPLETE The preset operation ended normally FULL You tried to program more than 25 tracks or files steps LOCKED The disc tray does not open Contact your nearest Sonv dealer NO DISC There is no disc in the player or you have loaded a disc that cannot be plaved NO STEP All of the programmed tracks have been erased OVER You have reached the end of the disc while pressing 2 during playback or pause PUSH STOP You pressed PLAY MODE 15 during playback PROTECT The following causes can be considered Speaker cords may be short circuited The ventilation holes may be blocked See If PROTECT appears on the display to check what to do if this message appears READING
106. f controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure This appliance is classified as a CLASS 1 LASER product This marking is located on the rear exterior CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT SAFETY RELATED COMPONET WARNING COMPONENTS IDENTIFIED BV MARK A OR DOTTED LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY ATTENTION AU COMPOSANT AYANT RAPPORT LA S CURIT LES COMPOSANTS IDENTIFIES PAR UNE MARQUE A SUR LES DIAGRAMMES SCH MATIQUES ET LA LISTE DES PIECES SONT CRITIQUES POUR LA S CURIT DE FONC TIONNEMENT NE REMPLACER CES COM POSANTS QUE PAR DES PIECES SONY DONT LES NUM ROS SONT DON N S DANS CE MANUEL OU DANS LES SUPPL MENTS PUBLI S PAR SONY 2 SAFETY CHECK OUT After correcting the original service problem perform the follow ing safety check before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0
107. file extension of MP3 e If there are files on the disc that have the MP3 file extension but that are not MP3 files the unit may produce noise or may malfunction The maximum number of folders is 150 including the root folder MP3 files is 255 MP3 files and folders that can be contained on a single disc is 300 folder levels the tree structure of files is 8 Compatibility with all MP3 encoding writing software recording device and recording media cannot be guaranteed Incompatible MP3 discs may produce noise or interrupted audio or may not play at all Notes on playing multisession discs e If the disc begins with a CD DA or MP3 session it is recognized as a CD DA or MP3 disc and playback continues until another session is encountered e A disc with a mixed CD format is recognized as a CD DA audio disc Listening to the radio 1 Select TUNER FM or TUNER AM Press FUNCTION or FUNCTION on the unit 5 repeatedly 2 Select the tuning mode Press TUNING MODE 15 repeatedly until AUTO appears 3 Tune in the desired station Press or TUNING on the unit 2 Scanning stops automatically when a station is tuned in and then TUNED and ST for stereo programs appear 81 711 C1 To stop automatic scanning Press stop 4 To tune in a station with
108. he following mes sage 5 character mode setting Tracking servo setting RF gain setting HCD EC68P EC78P Key Operation DISPLAY The display changes in the following order when ever the button is pressed Initial display me Focus AGC value A Track AGC value RF AGC value DSGX RF gain setting changes whenever the button is pressed No gain fixation AL Fix to the gain for AL disc RW Fix to the gain for RW disc Tracking servo setting changes whenever the but ton is pressed ON Tracking servo ON OFF Tracking servo OFF FUNCTION S character mode setting changes whenever the but ton is pressed gt 5 character mode OFF S S character mode ON 5 To release from this mode press the I D button to turn the power off 21 HCD EC68P EC78P SECTION 5 ELECTRICAL ADJUSTMENTS CD SECTION Note 1 2 3 4 CD Block is basicallv constructed to operate without adjustment Use XEDS 18 disc 3 702 101 01 unless otherwise indicated Use an oscilloscope with more than 10 impedance Clean the object lens bv an applicator with neutral detergent when the signal level is low than specified value with the following checks Check the focus bias check when optical pick up block is replaced FOCUS BIAS CHECK CD board TP121 o TP124 VC oscilloscope D
109. he root folder MP3 files is 255 MP3 files and folders that can be contained on a single disc is 300 folder levels the tree structure of files is 8 e Compatibility with all MP3 encoding writing software recording device and recording media cannot be guaranteed Incompatible MP3 discs may produce noise or interrupted audio or may not play at all Notes on playing multisession discs e If the disc begins with a CD DA or MP3 session it is recognized as a CD DA or MP3 disc and playback continues until another session is encountered e A disc with a mixed CD format is recognized as a CD DA audio disc Listening to the radio 1 Select TUNER or TUNER AM Press FUNCTION or FUNCTION on the unit 5 repeatedly 2 Select the tuning mode Press TUNING MODE 18 repeatedly until AUTO appears 3 Tunein the desired station Press or TUNING on the unit 2 Scanning stops automatically when a station is tuned in and then TUNED and ST for stereo programs appear ha 1 al stop automatic scanning Press Bl stop 141 To tune in a station with a weak signal If TUNED does not appear and the scanning does not stop press TUNING MODE 18 repeatedly until MANUAL appears and then press or TUNING on the unit 2 repea
110. holes on the top or back of the system Sound comes from one channel or the left and right volumes are unbalanced e Place the speakers as symmetrically as possible e Connect only the supplied speakers Severe hum or noise Move the system away from sources of noise Connect the system to a different wall socket Install a noise filter available separately to the power cord The remote does not function e Remove any obstacles between the remote and the remote sensor on the unit and position the unit away from fluorescent lights Point the remote at the system s sensor Move the remote closer to the system CD MP3 player The sound skips or the disc will not play e Wipe the disc clean and replace it Move the system to a location away from vibration for example on top ofa stable stand e Move the speakers away from the system or place them on separate stands At high volume speaker vibration may cause the sound to skip Play does not start from the first track e Return to Normal Play by pressing PLAY MODE 15 repeatedly until both PGM and SHUF disappear Starting playback takes more time than usual The following discs take a longer time to start playback a disc recorded with a complicated tree structure a disc recorded in multisession mode a disc that has not been finalized a disc to which data can be added a disc that has many f
111. ile 44 1 go back go forward or on the unit 2 Hold down 4 0 rewind fast forward 2 during playback and release the button at the desired point Find a point in track or file Select Repeat Play REPEAT 24 repeatedly until REP or REP1 appears To change the play mode Press PLAY MODE 13 repeatedly while the player is stopped You can select normal play no display or for all MP3 files in the folder on the disc shuffle play SHUF SHUF for folder shuffle or program play PGM When playing a CD DA disc operation as normal SHUF Play SHUF Play performs the same Notes on Repeat Play e All tracks or files on a disc are played repeatedly up to five times REP indicates that a single track or file is repeated until you stop it Notes on playing MP3 discs Do not save other types of tracks or files or unnecessary folders on a disc that has MP3 files Folders that have no MP3 files are skipped MP3 files are played back in the order that they are recorded onto the disc The system can only play MP3 files that have a file extension of MP3 e If there are files on the disc that have the MP3 file extension but that are not MP3 files the unit may produce noise or may malfunction e The maximum number of folders is 150 including t
112. leep to music This function works even if the clock is not set Press SLEEP 25 repeatedly If you select AUTO the system automatically turns off after the current disc stops or in 100 minutes Play Timer You can wake up to CD or tuner at a preset time Make sure you have set the clock 1 Prepare the sound source Press VOLUME 14 to adjust the volume To start from a specific CD track or MP3 file create your own CD program 2 Press TIMER MENU 17 3 Press 22 repeatedly to select PLAY SET then press 18 ON TIME appears and the hour indication flashes 4 Setthe time to start playback Press 22 repeatedly to set the hour then press 18 The minute indication flashes Use procedure above to set the minutes 5 Usethe same procedure as in step 4 to set the time to stop plavback 6 Select the sound source Press 22 repeatedly until the sound source you want appears and then press 18 The display shows the timer settings 7 Press 1 1 to turn off the system If the system is on at the preset time the Play Timer will not play To activate or check the timer again 1 Press TIMER MENU 17 SELECT flashes in the display 2 Press 118 3 Press 4 22 repeatedly to select PLAY SEL then press 18 T
113. noise Connect the system to a different wall socket e Install a noise filter available separately to the power cord The remote does not function e Remove any obstacles between the remote and the remote sensor 3 on the unit and position the unit away from fluorescent lights e Point the remote at the systems sensor Move the remote closer to the system CD MP3 player The sound skips or the disc will not play e Wipe the disc clean and replace it Move the system to a location away from vibration for example on top of a stable stand Move the speakers away from the system or place them on separate stands At high volume speaker vibration may cause the sound to skip Play does not start from the first track e Return to Normal Play by pressing PLAY MODE 13 repeatedly until both PGM and SHUF disappear Starting playback takes more time than usual The following discs take a longer time to start playback a disc recorded with a complicated tree structure a disc recorded in multisession mode a disc that has not been finalized a disc to which data can be added a disc that has many folders The disc tray does not open and LOCKED appears e Contact your Sony dealer or local authorized Sony service facility Tuner Severe hum or noise or stations cannot be received TUNED ST flashes on the display e Connect the antenna
114. o cancel the timer Repeat the same procedure as above until OFF appears in step 3 and then press C 118 To change the setting Start over from step 1 Tip The Play Timer setting remains as long as the setting is not canceled manually Troubleshooting 1 Make sure the power cord and speaker cords are correctly and firmly connected 2 Find your problem in the checklist below and take the indicated corrective action If the issue persists contact your nearest Sony dealer If PROTECT appears on the display Immediately unplug the power cord and check the following items after PROTECT disappears e Are the and speaker cords short circuited e Is anything blocking the ventilation holes on the top or back of the system After you have checked these above items and found to be all right reconnect the power cord and turn on the system If the issue persists contact your nearest Sony dealer General The system does not turn on e Is the power cord plugged in There is no sound e Are the and speaker cords short circuited e Are you using only the supplied speakers e 15 anything blocking the ventilation holes on the top or back of the system Sound comes from one channel or the left and right volumes are unbalanced e Place the speakers as symmetrically as possible e Connect only the supplied speakers Severe hum or noise Move the system away from sources of
115. o cannot lock in 07 Blank disc 8 It indicates the on going processing of optical pick up system optical unit BD board when the trouble has occurred 01 The CD SHIP mode processing is in progress 02 The POWER OFF processing is in progress 03 The INITIALIZE processing is in progress 04 The optical pick up system optical unit BD board is in the stop state 05 The STOP operation is in progress 06 The startup processing is in progress 07 The TOC read in processing is in progress 08 The SEARCH operation is in progress 09 The PLAY operation is in progress 0A The PAUSE operation is in progress OB The PLAY MANUAL SEARCH operation is in prog ress 0C The PAUSE MANUAL SEARCH operation is in prog ress 4 It indicates the operation that is being processed when the trou ble has occurred It indicates the step number of each processing specified by 3 Because the numbers of steps are different in each processing this number is different in each processing CD FACTORY MODE Note1 Do not enter the CD FACTORY MODE while any other test mode is in progress Note2 Do not enter any other test mode while the CD FACTORY is in progress Procedure 1 Press the I D button to turn the power on 2 Press the FUNCTION button to select CD function 3 Press three buttons of CD FUNCTION and DIS PLAY simultaneously 4 Itenters the CD factory mode and displays t
116. off control signal output terminal o 4 O CD ON CD power on off control signal output terminal on I 3CD SW3 O CDM CLOSE l 3CD SW2 NC I 3CD SW1 O CDM OPEN O 3CD M1 O CDM M1 Motor drive signal output terminal I RMC EN Remote control signal input from the remote control receiver O 3CD M1 O CDM M1 Motor drive signal output terminal O 3CD M2 NC 11 12 O 3CD M2 NC Motor drive signal output terminal 13 XOA 71 Sub system clock input terminal 32 768 kHz x U O 14 XA O Subsystem clock output terminal 32 768 KHz 15 Power supply terminal 34V 16 VSS Groundtemna O CD BUSQO to 17 to 20 O CD BUS3 Serial data output to the CD MP3 21 3CD CHACK Disc chucking detection switch input from the CD mechanism deck EC78P UK model 22 L3CDSTOCK 1 Disc stocking detection switch input from the CD mechanism deck EC78P UK model 23 0 Muting signal output to the driver 24 FREQ Request signal input from CD MP3processor __ I TT TT 25 O CD BUCK Serial data transfer clock signal output to the CD MP3 processor 26 O CD CCE Chip enable signal output to the CD MP3 processor 27 OCDRST 0 System reset signal output to the CD MP3 processor L reset 28 OLED STBY O LED drive signal output terminal for
117. olders The disc tray does not open and LOCKED appears e Contact your Sony dealer or local authorized Sony service facility Tuner Severe hum or noise or stations cannot be received TUNED or ST flashes on the display e Connect the antenna properly e Find a location and an orientation that provide good reception and then set up the antenna again e Keep the antennas away from the speaker cords and the power cord to avoid picking up noise e Turn off nearby electrical equipment HCD EC68P EC78P To change the AM tuning interval The AM tuning interval is factory preset to 9 KHz or 10 kHz Use buttons on the unit to change the AM tuning interval 1 Tune in any AM station and then turn off the system 2 Press DISPLAY 6 to display the clock 3 While holding down TUNING 2 press VO All the AM preset stations are erased To reset the interval to the factory preset repeat the procedure To improve tuner reception Turn off CD plaver power bv using the CD power management function Bv default CD power is turned on 1 Press FUNCTION 4 or FUNCTION on the unit 5 repeatediv to select the CD function 2 Press 1 5 1 to turn off the system 3 After STANDBY stops flashing press DISPLAY 6 to display the clock and then press 1 1 while holding down 4 CD POWER OFF appears With CD player power turned off disc acc
118. omitted These are omitted HCD EC68P EC78P For Schematic Diagrams Note All capacitors are in uF unless otherwise noted p pF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in and 1 4 W or less unless otherwise specified A internal component Ew nonflammable resistor e panel designation The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified Line Line e adjustment for repair Voltages and waveforms are dc with respect to ground under no signal detuned conditions CD Board no mark CD PLAY Other Boards no mark TUNER FM AM Voltages are taken with a VOM Input impedance 10 MO Voltage variations may be noted due to normal production tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal production tolerances Circled numbers refer to waveforms Signal path gt FM EP AM PLAY mp AUDIO IN gt DMPORT Abbreviation AUS Australian model CND Canadian model 27 HCD EC68P EC78P e Circuit Boards Location MAIN board HI AMP board EC78P PANEL board KEY POWER board LOW board board ka CD board KEY CD board 52 2 TA REG board JACK board DMP board MOTOR board EXC
119. properly e Find a location and an orientation that provide good reception and then set up the antenna again e Keep the antennas away from the speaker cords and the power cord to avoid picking up noise e Turn off nearby electrical equipment HCD EC68P EC78P To change the AM tuning interval The AM tuning interval is factory preset to 9 kHz or 10 kHz Use buttons on the unit to change the AM tuning interval 1 Tune in any AM station and then turn off the system 2 Press DISPLAY 6 to display the clock 3 While holding down TUNING 2 press Vo All the AM preset stations are erased To reset the interval to the factory preset repeat the procedure improve tuner reception Turn off CD player power using the CD power management function By default CD power is turned on 1 Press FUNCTION or FUNCTION on the unit 5 repeatedly to select the CD function 2 Press 1 5 1 to turn off the system 3 After STANDBY stops flashing press DISPLAY 6 to display the clock and then press 1 1 while holding down 4 CD POWER appears With CD player power turned off disc access time is increased To turn on CD player power repeat the procedure until CD POWER ON appears To reset the system to factory settings If the system still does not operate properly reset the system to fac
120. rews BVTP3 x 10 two claws Q two screws BVTP3 x 10 x gt lt screw 11 HCD EC68P EC78P T S N OM 9 S ga L 5 x amp 5 5 gt a 5 E F 5 T CO 55 ii S I E 8 5 HI A S e 26 O S O LU 6 5 2 280 lt 5 G CO 5 58 XZ x LO G gt 2 T x lt O x 2 5 aon _ gt i e a T co 5 25 5 o v LLI s 59 3 x QO 2 lt 9 2 5 5 ql D 5 2 2 o B8 S 5 85 28 9 22 22 2 5 gt han gt LLI 5 lt x 2 5 5 O _ eg 5 6 6 lt S SE ra 5 0 lt gt S 8 o XML 9 52 5 e 55 26 29 ja ds SS SS x o 9 5 56 33 86 u lt 2 2 12 HCD EC68P EC78P 3 6 FRONT PANEL BLOCK EC68P EC78P US Canadian 11 core CN609 flexible flat cable 6 G gt
121. rts list Color Indication of Appearance Parts Ex ample KNOB BALANCE WHITE RED The components identified by mark N or dotted line with mark are critical for safety Replace only with part number specified Les composants identifi s par une marque A sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi ordering these items Abbreviation AUS CND Australian model Canadian model The mechanical parts with no reference number in the exploded views are not sup plied 7 1 PANEL SECTION N dc EN NAN m A NN CS NA A LN 22 NA IN N 2 2 2 wa Ref No Pari No Description Remark Ref No Part No Description Remark 1 3 276 203 01 DOOR CD EC78P UK 4 2 890 830 21 PANEL R SIDE EC78P US CND 1 3 283 114 01 DOOR 1CD EC68P EC78P US 5 2 890 829 01 PANEL TOP EC68P US EC78P US CND 2 3 363 099 32 SCREW CASE 3 TP2 5 2 890 829 11 PANEL TOP EC68P AUS EC78P UK 3 2 890 831 01 PANEL L SIDE EC68P US EC78P US 3 2 890 831 11 PANEL L SIDE EC68P AUS EC78P UK 6 3 254 143 11 SCREW BV TAPPING 1 7 685 647 79 SCREW BVTP 3X10 TYPE2 IT 3 4 2 890 830 01 PANEL R SIDE EC68P
122. t number Using the timers The system offers two timer functions If you use both timers the Sleep Timer has priority Use buttons on the remote to use the timer functions Sleep Timer You can fall asleep to music This function works even if the clock is not set Press SLEEP 27 repeatedly If you select AUTO the system automatically turns off after the current disc stops or in 100 minutes Play Timer You can wake up to CD or tuner at a preset time Make sure you have set the clock 1 Prepare the sound source Press VOLUME or turn VOLUME on the unit 16 to adjust the volume To start from a specific CD track or MP3 file create your own CD program 2 Press TIMER MENU 19 3 Press 24 repeatedly to select PLAY SET then press 20 ON TIME appears and the hour indication flashes 4 Setthe time to start playback Press 24 repeatedly to set the hour then press 20 The minute indication flashes Use the procedure above to set the minutes 5 Usethe same procedure as in step 4 to set the time to stop playback 6 Select the sound source Press 24 repeatedly until the sound source you want appears and then press 20 The display shows the timer settings 7 Press 1 1 to turn off the system If the system is on at the preset time the Play
123. tal playing time for an MP3 disc remaining playing time for an MP3 file The following are not displayed correctly elapsed playing time of an MP3 file encoded using VBR variable bit rate folder and file names that do not follow either ISO9660 Level 1 Level 2 or Joliet in the expansion format e The following are displaved total plaving time for a CD DA disc when the plav mode is 1 DISC remaining plaving time for a track ID3 tag information for MP3 files when ID3 version 1 and version 2 tags are used ID3 version 2 tag information displav has priority when both ID3 version 1 and version 2 tags are used for a single MP3 file up to 15 characters of ID3 tag information using uppercase letters A to Z numbers 0 to 9 and symbols lt gt _ Using optional audio components To connect an optional headphones Connect headphones to the PHONES jack 12 on the unit To connect an optional component Connect additional audio source components to the AUDIO IN jack 11 on the unit using an analog audio cord not supplied Turn down the volume on the system and then select the AUDIO IN function To connect a DIGITAL MEDIA PORT adaptor Connect the DIGITAL MEDIA PORT adaptor to the DMPORT 10 on the unit You need to connect the DIGITAL MEDIA PORT adaptor to an optional audio device portable audio player etc Notes on DIGITAL MEDIA PORT adaptor
124. tedly to tune in the desired station To reduce static noise on a weak FM stereo station Press FM MODE 24 repeatedly until MONO appears to turn off stereo reception Changing the display To Press Change DISPLAY 6 repeatedly when the information on system is turned on the display Change Display DISPLAY 6 repeatedly when the mode See below system is turned off For example you can view CD MP3 disc information such as track or file number during normal play track or file name JJ during normal play artist name during normal play album or folder name 47 during normal play total playing time while the player is stopped The system offers the following display modes Display mode When the system is off Power Saving The display is turned off to conserve Mode power The timer and clock continue to operate Clock The clock is displayed You cannot set the clock in Power Saving Mode 2 The clock display automatically turns to Power Saving Mode after eight seconds Notes on the display information e Characters that cannot be displayed appear as _ e The following are not displayed total playing time for an MP3 disc remaining playing time for an MP3 file e The following are not displayed correctly elapsed playing time of an MP3 file encoded using V
125. tory settings Use buttons on the unit to reset the unit to its factory default settings 1 Disconnect and reconnect the power cord and then turn on the system 2 Press B 4 FUNCTION 5 and I 1 at the same time All user configured settings such as preset radio stations timer and the clock are deleted Messages CANNOT LOCK The system cannot be locked after you have done the procedure of When carrying this system COMPLETE The preset operation ended normally FULL You tried to program more than 25 tracks or files steps LOCKED The disc tray does not open Contact your nearest Sony dealer NO DISC There is no disc in the player or you have loaded a disc that cannot be played NO STEP All of the programmed tracks have been erased OVER You have reached the end of the disc while pressing PP 2 during playback or pause PUSH STOP You pressed PLAY MODE 13 during playback PROTECT The following causes can be considered Speaker cords may be short circuited The ventilation holes may be blocked See If PROTECT appears on the display to check what to do if this message appears READING The system is reading information from the disc Some buttons are not available TIME NG The Play Timer start and end times are set to the same time HCD EC68P EC78P HCD EC78P UK model Basic Operations Hj 213 4
126. utton for 5 seconds again 8 The message UNLOCKED is displayed and the disc tray is unlocked CD POWER MANAGE This mode is for switch the CD power supply on off Even if this state pulls out AC plug it is held Procedure 1 Press the I D button to turn the power on 2 Press the FUNCTION button to select CD function 3 Press the I D button again to turn the power off standby 4 After pressing the DISPLAY button while pressing the g button press the I D button 5 It turns power on and display CD POWER then display ON or OFF CHANGE OVER THE AM TUNING INTERVAL Except EC78P UK model The AM tuning interval can be changed over 9 kHz or 10 kHz Procedure 1 Press the I D button to turn the power on 2 Press the TUNER BAND button to select TUNER AM function Press the 11 00 button again to turn the power off standby 4 After pressing the DISPLAY button while pressing the TUNING gt gt PPI button press the 1 0 button 5 It turns power on and display 9k STEP or 10k STEP and thus the tuning interval is changed over SHIP AND COLD RESET Procedure 1 Press the I D button to turn the power on 2 Confirm there is no disc in all trays 3 Press the FUNCTION button to select CD function 4 Press three buttons of PLAY MODE TUNING MODE IKI lt lt TUNING and 1 00 simultaneously 5 After blink STANDBY
127. veforms See page 42 for IC Block Diagrams MAIN BOARD 1 8 Page N UU PU PUMP EUM PES MAIN BOARD 2 3 cata sVC347ATLE o Dll 1805 Coy LG 221115 sal 83 10p p LI LI LI R801 100 28 0801 2SC3052F T1 LF 3V REGULATOR TU ANSD R806 47k Ww 9 R812 100k 47k Q802 2SC3052F T1 LF 5V REGULATOR R810 4 7k TU DO R816 41k TU DI R817 47k R820 4 7k TUNER L C816 0 01 C817 0 01 x C814 815 4700p EC68P AUS EC78P UK 0 01 EC68P US EC78P US CND 1000 JW804 C850 0 1 D802 1PS226 115 R847 W R825 4 7k W R824 470 1 41 0803 SV230 TB E 4 TP689 C822 22 50V L803 FMFREQUENCY R840 COVERAGE TU CE D805 D806 1PS226 115 1PS226 115 13 14 TP656 CN801 3P ANTENNA FM AM CN803 31P TU DI I2C DATA AM FM DET OSC I2C CLK MIX PLL IF AMP 801 LV23003VA 5V ON TP REC MUTE O POWER TP657 29 O TU CLK TU ANSD 659 mpm 28 I TU ANSD 661 R660 662 W 31 O TU CE O TU DI I TU DO 6 MO I2C DATA DMP DET USB RST TP663 TP666 e

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