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1. ed TS gt Ne TC it 11 a N TRANS 0 Po AWZ3930 l AWZ4239 7 JI 5 q 42 x x N S N Le ALA 5 A Ny ae 74 uk HEADPHONE assemt AWZ3942 HE HB AWZ3943 HEWZI T 052 24 74 T 52 n n 27 arm 2 SS 2 a as 1 Lamy 3 220 3 230V TRANS assembly AWZ3930 HB AWZ4239 HEWZI HEADPHONE assembly AWZ3942 HE HB This P C B connection diagram is viewed from the parts mounted side AWZ3943 HEWZI 1 This P C B connection diagram is viewed from the parts mounted side The parts which have been mounted the board be replaced with those shown with the corresponding wiring symbols listed in the following Table 72504 Variable resistor Semi fixed resistor 3 The capactor terminal marked with 2 double circles shows negatine terminal 4 diode terminal marked with double circles shows cathode side 5 The transistor terminal to which is affixed shows the emit
2. gt _ 1 2 Schematic diagram for HEWZI type ri This P C B connection diagram is viewed from the parts mounted side ro TUNER assembly AWZ3938 i 2 r The capector terminal marked with G double circles dows negetine terminal 42 Tha diode terminal marked with S double circles shows cathode vide 8 The transistor terminal to which E iv effined shows the emitter HEWZI ONLY ccc m 71 GO ANT N NY NY N I N TN oy SAA Oo ACTA AM X2 i zo gt o 9 gt 9 E gt 9 lt 4 Serial F Module asser viva 1904 35 Tr lI 2 tt dk X2 142 1 2 ANT v 1002 DANA 4 DA 1 gt al 09411 POWER assembly 4 P21 To FRONT assembly 10 4 P32 VR903 VR902 VR9O dSSCITIDIV JIU M 0917 1 903 0910 0911 0902 13 71 1 4 ram for 2 type refer to 49 i i NI if 520 42 0 bly AWZ3938 0904 0903 0916 0915 0909 902
3. gt gt 2 e OOOO MUTE DRIVE R2029 OU 161009800 5 0 4 5 E 3 ol abn RC4SS8DX 162002 82050 ph 61010 81005 EE 0 047 E 4 xa on 1009 gt 158 t 2 8 1008 2 0 015 1010 61007 2 8 4558 2240 01002 0 015 D cd C1006 5 151093 5580 1029 01001 IE 3 D 2 o 2 2 21 mls S 23 9 1710W 292 5 e 1 10 7 AM i fan 56 0 7 SX P520 1 For pin28 and 29 of IC3001 m e HE HB OPEN SHORT SHORT OPEN HEWZI SHORT OPEN OPEN SHORT 1 11 279276 77 16 575 274 273 272571 270 269 68 267 Teb P 22222 Se 5 gt 5 8 oo 4 5 To 5 2c PES 1 PES 19 331 4 gt 0318 05 6 C E aL DE al HCT 6 PE7 TO 1710734 liil f PBO CINT 81 50 82 5 0 83 510 0 047 gt 5 a PBS SCKI 163001 59 PDGO78A Dr NC PIS a 12 R350547 04 1 10W a ee 1
4. 4 c To POWER assembly P18 L CND R 12 12V 5 6V D CND FL AC2 FL ACI RESET POWER DISP CLK DISP DATA 5 amp S DATA CD REQ EN DECK REQ EN TREBLE 1 TREBLE BASS 1 BASS 2 WIDE 1 WIDE AUDITION MIC MUTE 4052 INH 4052 B 4052 A e no FRONT assembly AWZ3950 HE HB AWZ3951 HEWZI TREBLE 164 Q2003 MUTE DRIVE R2029 82015 c2007 2008 R2016 RC4SS80X 162002 9 07 6h e e 6 1 72915 VOLUME assembly 423941 165001 1472915 TUNER assembly CN10 P17 HE HB gt P50 HEWZI 3011 47 0k 1 1 R3016 47 0k 1 1 R3017 47 0k 1719W 3018 47 08 1 47 0k 171 23015 47 06 yy bw 1010 03002 50 60Hz DETECT 03001 RESET 0318 RD5 6ESB R3038 2 21 R30402 2X 1 o lt D 4 2 55 gt
5. Art of Entertainment Service ORDER NO ARP2452 STEREO RECEIVER SX P520 SX 520 HAS THE FOLLOWING AC220V 230V 240V Switchable Power Requirement AC220V 230V 230 240V Switchable AC220V 230V 230 240V Switchable AC120V only AC110V 120 127 220V 240V Switchable AC240V only Change the connection of the transformer s primary wiring This manual is applicable to SX P520 HE and HEWZI For HB and HEWZI types refer to pages 45 50 For the other types refer to the applicable service manuals These products are component of systems For the system composition refer to the system manual 5 Ce manuel pour le service comprend les explications de r glage en francais Este manual de servicio trata del m todo ajuste escrito CONTENTS 1 SAFETY INFORMATION HR 2 6 ADJUSTMENTS eM 40 2 SPECIFICATIONS MI 3 6 REGLAGE Henne 41 3 EXPLODED VIEWS PACKING AND 6 AJUSTE ptite edat edet 42 PARTS LIST nente tre nor enr oan 4 7 IC INFORMATION eee Hee 43 4 SCHEMATIC DIAGRAMS AND PCB CONNECTION 8 AND HEWZI TYPES 45 DIAGRAMS MM 8 9 PANEL FACILITIES 51 5 PCB PARTS LIST MH 36 PIONEER ELECTRONIC CORPORATION 4 1 Meguro 1 Chome Meguro ku Tokyo 153 Japan PIONEER ELECTRONICS SERVICE INC Box 17
6. The parts with an encircled number are generally unavailable because they are not in our Master Spare Parts List The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Parts marked by are not always kept in stock Their delivery time may be longer than usual or they may be unavailable Parts list of Exterior and Packing Mark No Description Parts No Mark No Description Parts No e 1 POWER ASSEMBLY AWZ3944 41 SCREW 230 080 e 2 TRANS ASSEMBLY AWZ3930 42 NUT NK90FUC 3 INSULATOR AEZ1004 43 FOOT RUBBER REC 434 4 LOOP ANTENNA L ATB1006 44 SCREW VBZ30P160FMC 5 REMOTE CONTROL UNIT AXD1267 A 45 FUSE T800mA FU1 507 CU SX040 A 46 FFC J ADD1100 6 FRONT ASSEMBLY AWZ3950 47 POWER TRANSFORMER ATS1394 7 TUNER ASSEMBLY AWZ3938 48 SPACER AEC1236 e 8 VOLUME ASSEMBLY AWZ3941 49 OPE INSTRUCTIONS 1324 9 HEADPHONE ASSEMBLY AWZ3942 Dutch Swedish Spanish 10 VOLUME KNOB 1250 Portuguese RECEIVER 50 OPE INSTRUCTIONS ARC1337 eM Dutch Swedish Spanish 12 ROTARY KNOB 1273 Portuguese CASSETTE CD 13 BAND BUTTON AAD2177 14 FUNCTION BUTTON AAD2208 51 OPE INSTRUCTIONS ARE1223 15 SFC BUTTON AAD2179 English French Germam Italian RECEIVER 16 WAKE UP BUTTON AAD2180 52 OPE INSTRUCTIONS ARE1233 17 TIMER BUTTON AAD2181 English Frenc
7. 81004 100 0 1003 100 0 R1006 D j R1005 9 R1011 81015 4 91 13188 meu 0 47 SS 1009 161081 5 8 4558 8 5101003 4 gt 01002 1k Hz 01001 1004 1500 55 5 k Hz R1008 61045 9 rst mi928 01005 _ D c1002 10k Hz 81007 1001 EN 1027 01004 DEI ue gt 1022 03002 50 60Hz DETECT 03001 RESET 83028 R30 S 436 gt 4 0318 RD5 6ESB 83011 47 0 1710W 1 4 fa 7 3013 47 08 1710W 3014 47 0k 17 R3015 47 08 1 1 R3016 47 0k 1 1pw R3017 47 0k 1719W R3018 47 08 1 83036 2 2 17104550 R3009 D 1 10WS amp 0 95008 Ll 17 109 R3007 10 0k 3002 1710W i A 0 047 8305810 0 1 10 95059 10 06 1710W 7506010 1 104 AW 2506110 0 1 10 8305210 0 1 10 5065 10 0 1710W 3 22 0 01001 1005 3001 3003 3009 3017 155252 HE HB HSS104 02 HEWZI DISP CLK DISP DATA S DATA CD REQ EN DECK REQ EN TREBLE 1 TREBLE 2 BASS 1 BASS 2 WIDE 1 WIDE 2 AUDITION MIC MUTE 4052 INH 4052 B 4052 A To POWER assembly SP
8. Oo 22522 amp 8525 30501 501 v 2295 gt 2 15401 PA0049 s 5 5 HB RSI Se HEWZI ONLY 7 5 HEWZI 5 5 25 25 23 8 55 3T gt 2 3 3 3 21 8 T 9 5 5 RJ c 3507 10406 20 0 SSS S E 245580 410 10405 0 022 1 403 1 405 SFC HEWZI ONLY s HE ONLY 2 ONLY 2 ONLY 5 HEWZI ONLY HB ONLY ab 0703 12V SWITCH 0701 0704 5V SWITCH ps C HEWZI ONLY v T 470i 0712 1714 716 717 155252 if Gl gm HSS104 02 2 25510 0 O O 81701 4381936 ano sf sas lt sh 46 2362458 07 0711 BUFFER 0710 RELAY HEWZI To TUNER assembly CN4 9 P17 18 P50 PHONO 81100 HEWZI IMPLOUT VREF Pi P2 02 gt 5 LPFOUTS POf MPLIN PIOL MPROUT LCND DETCH 5 PO OETINH DETINL DETCL Rage 22 0K 22 0 18 0K 408 R40b 12401 IC403 1C405 SFC IC302 6dB AMP HEWZI ONLY s HE HB ONLY 7 F
9. 3502 47 084 1 10 54 93501 47 0 1 10 as 4 0 1 15 PC1I KRI 51 PC2 KR2 PFI S POS KRS 4 PFS S1 ie l7 PCS KRS 24 3 D 4 PCb KRO 3 PCT KRT PF2 810 2 S 48088 A808 PRIS PAI ANI 3 v o 9 3 5 n P07 87 Sh Ok FCc1 3 56 0k 1C301 TUNER CONTROL MICRO COMPUTER 56 0 27 278 277 575 575 S74 273 272 571 270 68 267 Tob 2 8 5 5 8 2 AXXTOTO zz 58 2 PBO CINT B pb1 C 0 PB2 SCKO 83 510 5 84 500 PBS SCKI 165001 PDGO78A 87 301 mm PAI ANI 83058 2 28 R3039 2 2 23040 2 2k CCT 9 amp 3301 c ESU gt 2 LL gt 2 Sia tLoc ADJUST MEMORY BAND 22 0k iB HEWZI 95505 47 00 1 10W 93505 47 0 1710W 95502 47 03 1710W 1 10N 85054 1 10w Mo8S PIS o9 9 999999799797 2 6 6 gt gt 35
10. REMAIN TOTAL indicator For CD player In CD mode REMAIN shows the remaining play time and TOTAL shows the total play time ASES Auto Synchro Editing System indicator Lights when A S E S is performed Music calendar For CD player 52 The illustration shows the remote control unit supplied with the SX P420 model REMOTE CONTROL UNIT POWER button FUNCTION button Each time this button is pressed the function changes in the following sequence TUNER CD PHONO TUNER 8 SCAN button In TUNER mode This button is used for scanning preset stations In CD mode This button is used for Hi Lite Scan 4 DECK operation buttons 4 Play B Stop lt lt gt gt Fast Rec pause SHIFT DECK button To operate Deck press the desired deck operation button while pressing this button SLEEP button SNOOZE button VOLUME button SFC PRESET button Each time this button is pressed the SOUND FIELD CONTROL setting changes in the following sequence DISCO HALL gt SFC clear SMART OPE button TUNER STATION button 2 operation buttons Play Stop Pause lt lt gt gt Track search RANDOM For SX P420 PDC P420 DISC For SX P520 PDC P520T and PDC P520M SX P520 53
11. __ lt aad gt 2 029 I CNS 1094 Q 0 Q 0 0 9 9 9 9 G 9 9 9 9 9 9 9 9 POWER assembly 2 3944 2 3945 HEWZI comm 22 2 lt 4 5 272 E A 1401 PA0049 25 z 5 5558 amp uv 55 5 1C302 648 HEWZI ONLY C408 R40b HE ONLY 7 9 aT 5 407 8405 12 0 68005 10 12401 403 1 405 SFC 1C103 EQ D 815 HEWZI 102 BUFFER IC101 FUNCTION SWITCH HEWZI ONLY 45580 16103 8129 1500 5600 AKB1100 cna 401 0049 Sen cmm oe IC501 57 4152 26 RONT assembly CN3 P33 lt x I oo lt To VOLUME assembly J5 P 33 C gt gt 0 lt c uj gt a LJ wv gt gt qa gt gt gt gt gt 2 uou e Swat 4 XN OG CNS AKP1094 CNS 9 9 G 9 9 9 9 9 69 6 9 99 69 09 69 9 000000000 I
12. 0721 1 2 gt 22070 9569 22070 z N n220 0 2662 22070 1 10 O L 5 2 VREF 2 Serial Module assembly AXQ1002 Q906 LW MW SWITCHING 0909 u LANES gt 0907 POWER SWITCH c 5 EE 119 9 mi 6922 JP12 l1 4 Q915 LW MW Q z ANT GND ANT lt lt 4 6 R924 0 SWITCHING 220 6915 0905 ELS POWER SWITCH 0 022 R919 c907 AXX1026 eared E 1C902 FM MW LW IF TP903 ea ewe alo 0916 5 4 LW MW 51 574 SWITCHING 5 RN1203 1 5778 2 5 C906 8904 8908 22 0 1 0 0 22 _ 2 Es lt 33 88 C905 o 7 7 0 01 1 901 1 7001 D a903 Q904 Crys LW MW osc 250240 SWITCHING R901 23C17403LN Q901 Q902 LOOP FILTER SX P520 2 3 4 3 POWER ASSEMBLY TRANS ASSEMBLY AND HEADPHONE ASSEMBLY To FRONT assembly CN3 P33 w g lt lt gt e gt xew gt gt 2 lt lt 1 c lt oa Wwe
13. 0906 0907 0905 0901 0910 0911 0902 4 75 1010 901 1 7001 905 0 047 25 904 0 047 25 23 6907 0 047 100 0 R912 SHIFT REGISTER LATCH TUNER assembly AWZ3938 902 1412655 2 Serial F Module assembly AXQ1002 lt gt JP12 Q915 LW MW SWITCHING 0905 POWER SWITCH AXX1026 u T TM e 2 gt 0 022 10 0 Ld o R924 R923 C925 Q906 LW MW SWITCHING Q907 AM POWER SWITCH IC903 AN7470P INPUT Q909 BL F903 119 713 3 7 75 16902 412555 z mo o 905 i m ot 2 gt ells Bc 3 AN7470P S METER 55 TP904 905 0909 BUFFER Q911 AMP 55104 02 y 5 0911 ok 935 022 6 0 A 0910 5510 ap m 5 ath HE 5 4515452 x1 16902 5 9c lt a 412553 El z 1 E 1 1 Geo I 9 lt AP lt 4 e 8 2 c
14. 1095 FL SPACER 1196 REMOTE RECEIVER AXX1010 UNIT SX P520 6 ADJUSTMENTS As to connections and points to be adjusted refer to Fig 6 1 Where and asterisk is given for level dBuV set to the level dBuV at which the voltage is roughly half the voltage between TP904 and GND at 60dB 6 1 FM TUNER ADJUSTMENT Set the BAND selector to FM Perform VCO adjustment two minutes or more after turning the power ON FM SG 1kHz 75kHz dev Reception frequency display Adjustment title Frequency MHz Level 4 Detector coil T meter adjustment 98 0 Stereo modulation TUNED indicator sensitivity adjustment 6 2 AM TUNER ADJUSTMENT Set the BAND selector AM AM SG 400Hz 30 Mod Frequency Level kHz 603 Reception frequency display 603kHz 1395kHz Adjustment title Tracking adjustment Repeat 1 and 2 above IFT adjustment 6 98 0 80 98 0MHz L907 98 0 2 VCO adjustment 80 98 2 VR903 Non modulation 98 0MHz VR902 Note Adjustment marked with only for HEWZI Note Stereo modulation Main 1kHz L R 68 25kHz dev Pilot 19kHz 6 75kHz dev Adjustment Specificati location pecifications Adjust so that the DC voltage between the TP901 and TP902 is 0 50mV Adjust so that the frequency between TP905 and GND is 76 0 5kHz Adjust so that the indicator lights
15. C967 RESISTORS VR901 VR902 VR903 OTHERS CN10 X901 X902 Description CERAMIC CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR CAPACITOR 470p ELECTROLYTIC CAPACIT ELECTR CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR AXIAL CERAMIC CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR VR 10k VR 20k VR 5 0k Other resistors CONNECTOR 10P CRYSTAL RESONATOR Parts No CKDYF223Z50 CEAS4R7M50 CKDYF223Z50 5010 50 CCDSL271J50 CKDYB222K50 CKDYF473Z50 CEAS2R2M50 CEAS470M10 50 1 50 CEANP2R2M50 CEAS470M16 CKDYF473Z50 ACE1039 51 5 50 CEAS3R3M50 CEAS470M10 122 50 5 22 50 CKDYB122K50 52 2 50 CKPUYF223225 CEASORIM50 CKDYB272K50 52 2 50 CKPUYB101K50 CKPUYB102K50 CEAS101M16 105 1004 1015 10 ASS1042 CERAMIC RESONATOR ATF1027 ANTENNA TERMINAL 4 AKA1010 AM RF TUNING BLOCK AXX1026 2 SERIAL F E MODULE AXQ1002 ASSEMBLY 9 VOLUME ASSEMBLY AWZ3941 SEMICONDUCTORS IC5001 IC5002 MECHANISM DRIVER IC OP AMP IC 7
16. AWZ3951 HEWZI P33 35 CNS 0000090000 OO0000000000000000068 x zt 22 ey i lt oz uum cor a Se Se Se Se Se sass Pa a ud nx pa e loe gt g xaX gt l2 Dor B 3 5 90000600900 0900090960000096 10 CNS TUNER assembly T 5 AWZ3938 gt P15 17 AWZ3939 P49 50 GND SY 12V x 5 CND 9 em gt NC NC FU1 507 T800mA 250V C POWER CORD 52222 ADG1049 HE 220 230 240 50 60Hz 3 ADG1087 220 230 230 240V 50 60Hz ADG1012 220 230 230 240V 50 60Hz Rd RE TRANS TRANSFORMER AWZ T ATS1394 GRAMS VOLUME assembly AWZ3941 HE HB AWZ3963 HEWZI 9 P33 CNS 0 0 9 9 9 G 9 9 OG OG O 9 9 9 9 6 6 0 0000 6060000000 3 VOL UP VOL DOWN NC 0090000 600600 z x lt gt lt gt cia gt gt on 1 5 kee x ve ow a CNS CNS DISP CLK l DISP DATA AC GND AC POWER assembly 2 CD REQ
17. due to improvements in design 5 SWITCHES The underline indicates the switch position FRONT assembly 53001 POWER 3002 TIMER SET 53003 WAKE UP 3004 53005 3006 SFC BGM 53007 SMART MEMORY 53008 SFC CLEAR 53009 S STEREO WIDE 3011 DISPLAY 53012 REC TIMER 53013 FREQ ST 53014 TUNER 3015 SFC DISCO 3016 SMART START SET 3017 FUNCTION CD 53018 FUNCTION TUNER 3020 CLOCK ADJUST 3021 MEMORY 53022 BAND 53023 SFC HALL 3024 FUNCTION PHONO 3025 FUNCTION TAPE 1ete1 ISW3H ms vi h H 14242 gt S SMA 7225 is pA 02 8 Y gt 4 gt 25 _ lt 21 loeo 4 2 TUNER ASSEMBLY ike 24 aieo oeo eoeo lt eqv ISW3H 10 msipsib This connection diagram is viewed from the foil side 8EGESWA vldmeees AINUT NP gt 55 DAN 1 ISW3H H 8 f WW SS 4 9 yidmsees 3 3 159 lt AUD 9 04 oT er 5 SE4 OFL oT 12
18. C931 38 PLL IC TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR ZENER DIODE DIODE DIODE CERAMIC FILTER CERAMIC FILTER CERAMIC FILTER FILTER AXIAL INDUCTOR AXIAL INDUCTOR AXIAL INDUCTOR COIL AXIAL INDUCTOR ELECTR CAPACITOR CERAMIC CAPACITOR AUDIO FILM CAPACITOR AUDIO FILM CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR AXIAL CERAMIC CAPACITOR AXIAL CERAMIC CAPACITOR CERAMIC CAPACITOR AXIAL CERAMIC CAPACITOR ELECTR CAPACITOR AXIAL CERAMIC CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR AXIAL CERAMIC CAPACITOR ELECTR CAPACITOR AXIAL CERAMIC CAPACITOR Parts No LM7001 1 12655 AN7470P 25 246 2SC1740SLN RN1203 RN2201 25 2668 25 2458 RN1203 2SK246 RD5 6ESB HSS104 02 55104 02 119 1042 107 ATF1088 LAU2R2M LAU010M LAU2R2M 079 LAU2R2M 5330 16 CKDYX473M25 CFTXA103J50 CFT XA224J50 CKDYX473M25 CKDYF103Z50 CCDCH150J50 CKDYF223Z50 CKPUYF103Z25 CKPUYF473Z16 CKDYF223Z50 CKPUYF223Z25 CEAS470M10 CKPUYF103Z25 CEAS101M16 CCDSL470J50 CEAS470M10 CKPUYF103Z25 CEAS101M16 CKPUYF223Z25 Mark No C932 935 C936 C937 C938 C939 C940 C941 C942 C943 C944 C945 C946 C947 C948 C949 C950 C951 C952 953 C955 C956 C957 958 C959 C960 C961 962 C963 C964 C965
19. EN AWZ3944 HE HB 3 AWZ3945 HEWZI ee take P18 20 C e CENTER CNO CD R CND 507 CDL PBL PB R L REC R CN2 000000000000000 00000 33e9222222327273 I TRANS assembly AWZ3930 HE HB AWZ4239 HEWZI P20 HEADPHONE assembly WSFORMER AWZ3942 HE HB ATS1394 AWZ3943 HEWZI 9 P20 To PDC P520T or PDC P520M 1 RESISTORS Indicated in 9 YeW 596 tolerance unless otherwise noted M 1 6 2 K 1096 20 tolerance CAPACITORS Indicated in capacity uF voltage V unless otherwise noted p pF Indication without voltage is 50V except electrolytic capacitor 3 VOLTAGE CURRENT Signa voltage at 30W 1kHz LL OC voltage V at input signal Value in is DC voltage at rated power mA DC current at no input signal mV Signal voltage at FM 1kHz 75kHz 4 OTHERS Signal route Adjusting point The A mark found on some component parts indicates the im portance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation marked capacitors and resistors have parts numbers RED Measurement point This is the basic schematic diagram but the actual circuit may vary
20. To enter the demo mode press SFC CLEAR when power is STANDBY The power is automatically turned on In the demo mode various functions of this system appear on the display When program source is selected you can enjoy listening to the selected source simultaneously To cancel demo mode Press any buttons of the amplifier or remote control unit B DISPLAY TUNER amp DISPLAY CD TIMER SET button CD Sound field control indicators DISPLAY button Display the SOUND FIELD CONTROL settings CLOCK ADJ button Tuner indicators Disp Indicate the tuning mode 8 Timer indicators BAND button Display timer settings tuner up button AUTO EJECT indicator For PDC P520T tuner down button Lights when AUTO EJECT function is ON TIMER CONTROL WAKE UP button e 1 2 TIMER CONTROL button Function display FREQ STATION button Normally functions as a spectrum analyzer FM MONO button Also this displays the selected function In the TUNER mode this displays the station No and when playing a AUTO PRE MEMORY button CD it displays the track No Lights during random play for CD player Lights during program input and program play for CD player Lights during repeat play for CD player Frequency Time display In TUNER mode frequency is displayed In any other mode it displays the time
21. Turier Section FM Tuner Section Frequency Range 87 5 MHz to 108 0 MHz Usable Sensitivity Mono 12 8 dBf IHF 1 2 uV 75 ohms Sensitivity DIN Mono S N 26 dB 1 75 ohms Stereo S N 46 dB 50 75 ohms Signal to Noise Ratio IHF 85 dBf Input Mono 77 dB Stereo 73 dB Signal to Noise Ratio DIN Mono 66 dB Stereo 60 dB Distortion Stereo 0 5 96 1kHz Antenna 1 75 ohms unbalanced AM MW Tuner Section Frequency Range 531 kHz to 1 602 kHz Sensitivity IHF Loop antenna 350 mcm Loop Antenna LW Tuner Section For LW equipped models only Frequency Range 153 kHz to 281 kHz Sensitivity Loop antenna 1500 pV m Antenna Loop Antenna Accessories Remote Control Dry Batteries AAA RO3 UM4 FM T type Antenna AM Loop Antenna 20 Operating Instructions Measured by audio spectrum analyzer NOTE Specifications and design subject to possible modification without notice due to improvements SX P520 SX P520 3 EXPLODED VIEWS PACKING AND PARTS LIST NOTES
22. e GND gt 5V L V E 75 2 0 GND cc e OUT MUTE C VOCAL INST 5 8 o REF T METER 5 9 PANEL FACILITIES AMPLIFIER AMPLIFIER POWER STANDBY ON switch This is the switch for electric power ON When set to the ON position power is supplied and the unit becomes operational STANDBY When setto the STANDBY position the main power flow is cut and the unit is no longer fully operational A minute flow of power feeds the unit to maintain operation readiness The display shows only the time 2 5 5 WIDE button TREBLE button SX P420 TREBLE controi SX P520 4 P BASS control 5 VOLUME control 6 SMART OPERATION MEMORY button SFC CLEAR button SMART OPERATION START SET button 9 SOUND FIELD CONTROL buttons DISCO HALL B G M Remote sensor window SENSOR Headphones jack PHONES 2 Input selector buttons TUNER TAPE CD PHONO 51 lt SX P520 gt Auto Function This model is equipped with Auto Function operation so when the switch for CD PLAY RANDOM PLAY tape tuner up down or BAND is pressed the function switches automatically Use the PHONO function button to select the component connected to the PHONO jacks since Auto Function is not effective for this NOTE The function cannot be switched during recording except for tape copying Auto Function does not operate either Demo Function
23. for speaker L RESET Input RELAY E Pone EAE Connected to ceramic oscillator VOL Output for motor VR control IC UP 72915 XTAL ASS1015 8MHz 12 VOL Output for motor VR control IC H Reference Voltage GND DOWN 72915 34 TREBLE 14 Key Scan Input 1 gt Uo 15 KEY IN2 Key Scan Input 2 16 KEY IN3 Key Scan Input 3 n 17 S CLK e CLOCK Output for system bus communication 6 m 37 38 WIDE 1 5 y jo wn w n DATA Input Output for system bus communication REQ EN CD Communication Request Enable 19 VO for system bus communication i LH 18 S DATA I O 40 AUDITION MIC MUTE 2 4052 INH ug QO 2572 MUTE 2 H 43 4052 44 4052 23 45 FLS N 45 E SX P520 Function Name uj E Q gt FL Cotrol Segment Output Key Scan Strobe Output e e Un D e n e gt 57 FL Control Segment Output 58 e e FL Control Timing Output Function Description ACT Name 30V FDP load power Input 5V Power Supply Input a x foje 1067 STB Chip enable for Port expander PLL EC Chip ena
24. 008 1009 1015 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 C3001 C3002 C3003 C3004 C3006 3007 C3008 C3009 C3010 3012 C3100 RESISTORS VR2001 VR2002 R1003 1004 R3020 3025 R3028 R3029 R3032 3024 R3035 R3036 3041 OTHERS V3001 X3002 CN3 SX P520 Description Parts No SWITCH CLOCK ASG1034 ADJUST MEMORY BAND SFC HALL FUNCTION PHONO FUNCTION TAPE AXIAL INDUCTOR LAU220K CERAMIC CAPACITOR CKSQYB471K50 CERAMIC CAPACITOR CKSQYB152K50 CERAMIC CAPACITOR CKSQYB472K50 CERAMIC CAPACITOR CKSQYB153K50 CERAMIC CAPACITOR CKSQYF473Z50 CERAMIC CAPACITOR CKSQYB153K50 CERAMIC CAPACITOR CKDYX823M16 CERAMIC CAPACITOR CKSQYB332K50 CERAMIC CAPACITOR CKSQYB153K50 ELECTR CAPACITOR CEJA2R2M50 CERAMIC CAPACITOR CKSQYF473Z50 ELECTR CAPACITOR CEJA010M50 ELECTR CAPACITOR CEJA470M10 ELECTROLYTIC 5010 50 CERAMIC CAPACITOR CKSQYF473Z50 CHIP CAPACITOR CKSQYB102K50 ELECTR CAPACITOR CEAS471M10 CERAMIC CAPACITOR CKSQYF473Z50 CAPACITOR 0 047 5 5 ACH1135 VARIABLE 100k x2 ACS1107 VARIABLE 100k 2 ACS1107 CARBONFILM RDUSPM104 RESISTOR CARBONFILM RD1 8PM563 RESISTOR CARBONFILM RD1 8PM103 J RESISTOR CARBONFILM RD1I 8PM101J RESISTOR CARBONFILM RD1 8PM223j RESISTOR CARBONFILM RD1 8PM103J RESISTOR CARBONFILM RD1 8PM222 RESISTOR Other resistors RS1A0SLICIOJ FL TUBE 1142 CRYSTAL RESONATOR ASSi015 30P SOCKET
25. 1 8PM221J RD 1 8 471 RD1 8PM101J Remarks 60 TRANS ASSEMBLY AWZ4239 TRANS assembly AWZ4239 and TRANS assembly AWZ3930 have the same construction except for the following Part No Symbol amp Description 46 SX P520 FRONT ASSEMBLY AWZ3951 FRONT assembly AWZ3951 and FRONT assembly AWZ3950 have the same construction except for the following ee Symbol amp Description 01001 01005 155252 55104 02 D3001 D3003 155252 55104 02 D3009 D3017 155252 55104 02 9 VOLUME ASSEMBLY AWZ3963 VOLUME assembly AWZ3963 and VOLUME assembly AWZ3941 have the same construction except for the following Symbol amp Description Remarks HEADPHONE ASSEMBLY AWZ3943 HEADPHONE assembly AWZ3943 and HEADPHONE assembly AWZ3942 have the same construction except for the following Symbol amp Description Remarks 47 SX P520 60 TUNER ASSEMBLY AWZ3939 TUNER assembly AWZ3939 and TUNER assembly AWZ3938 have the same construction except for the following Remarks RN1203 teense RN2201 eH Symbol amp Description 0903 0904 0915 0916 0906 0906 0907 HSS104 02 e L901 L906 LAU330K TC901 jj 018 C908 CKPUYF223225 C915 CKDYF223
26. 2915 4558 Mark Description CAPACITORS C5001 5002 C5003 5004 C5005 5008 C5009 5010 C5012 RESISTORS VR5001 Parts No ELECTR CAPACITOR CEAS2R2M50 ELECTR CAPACITOR CEAS4R7M50 CHIP CAPACITOR CKSQYB393K50 ELECTR CAPACITOR CEAS100M25 CERAMIC CAPACITOR CKCYF473Z50 VARIABLE RESISTOR ACX1068 100k Other resistors 51 105 000 HEADPHONE ASSEMBLY AWZ3942 CAPACITORS C599 RESISTORS R523 524 R599 OTHERS CN CERAMIC CAPACITOR CKCYX473M25 METAL OXIDE RESISTOR CARBONFILM RESISTOR JACK HEADPHONE FRONT ASSEMBLY AWZ3950 SEMICONDUCTORS 1C1001 1003 2001 2002 1 3001 02001 2002 92003 93001 93002 01001 1005 03001 3003 D3005 03009 3017 SWITCHES 53001 3009 53011 3018 IC CONTROL MCU TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR DIODE DIODE ZENER DIODE DIODE SWITCH POWER TIMER SET WAKE UP FM MONO TUNER SFC BGM SMART MEMORY SFC 5 5 WIDE SWITCH DISPLAY REC TIMER FREQ ST TUNER SFC DISCO SMART START SET FUNCTION CD FUNCTION TUNER RSILMF331J RD1 8PM100J AKNI028 RC4558DXP RC4558DXP PDG078A 25 2878 XDA143ES XDC143ES 25 2458 155252 155252 RD6 2ESB 155252 5 1034 561034 53020 3025 COIL L3001 CAPACITORS C1001 1002 C1003 1004 C1005 1006 C1007 1
27. 60 Long Beach California 90801 U S A PIONEER ELECTRONICS CANADA INC 300 Allstate Parkway Markham Ontario L3R 2 Canada PIONEER ELECTRONIC EUROPE N V Haven 1087 Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS AUSTRALIA PTY LTD 178 184 Boundary Road Braeside Victoria 3195 Australia TEL 03 580 9911 PIONEER ELECTRONIC CORPORATION 1992 DER ERECTUS fu PIONEER SX P520 This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified technicians have the neces sary test equipment and tools and have been trained to properly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which may cause birth defects or other reproductive harm California Health amp Safety Code Section 25249 5 When servicing or handling circuit boards and other components which contain lead in solder avoid unprotected skin contact with the solder Also when soldering do not inhale any smoke or fumes produc
28. A R311 9 o 1C 103 EQ AMP 1C102 BUFFER IC101 FUNCTION SWITCH HEWZI ONLY 16103 129 1500 5600 cna cie 410 HE ONLY HEWZI HEWZI ONLY HEWZI ONLY ONLY p Ered Hews ONLY 470 c O Z 2 CS CE CY tk 1 CK Je lt 2 2 lt v cx a c g 2 lt To 520 or 520 1 2 405 401 1403 1404 1704 302 1 102 o xi ASW 240 A 1 en A T 225 2 72 SI Cole I T 55 3 Ih oe 3 r gt he 7 97 S Is E b __ _ _5 e 6 usd 3 AC 4 E POWER assembly AWZ3944 HE HB AWZ3945 HEWZI 2a t3 lt a DNI V 3 Y VI 1 pi EL UIS EE her Sins DIT bee Y 2 d 7 0523655 7 iu fi SEE TN i d
29. AS RY501 701 RELAY ASR1035 1 704 PROTECTOR ICP N25 COILS L501 502 133 9601 602 TRANSISTOR 25 2458 0603 TRANSISTOR 25 1048 CAPACITORS 9604 TRANSISTOR XDC143ES 0605 TRANSISTOR 25 2458 103 104 CERAMIC CAPACITOR CECSLIOIJ50 Q606 TRANSISTOR 2541048 107 CERAMIC CAPACITOR CCDSL101J50 108 110 CERAMIC CAPACITOR CCCSL101J50 37 C111 112 C113 114 C115 116 C117 118 C119 120 C301 302 C401 402 C407 408 C409 410 C411 412 C413 C414 C415 416 C419 C420 C421 C422 C423 C424 C425 C426 C427 C428 C429 C434 C435 C436 C437 C501 C502 C503 504 C505 506 C507 508 C509 510 C511 C512 C513 C514 517 C601 C602 C603 604 C605 C701 702 C703 C704 C705 C707 708 C709 Description ELECTR CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR AUDIO FILM CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTROLYTIC CAPACIT CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR CERAMIC CAPACITOR ELECTR CAPACITOR ELECTR CAPACIT
30. B RS22 10 1 48 HEWZI L 7 8 esi am 11000 100p UR TON T 4 HEWZI ONLY 12 Deo 0602 4 140455 0601 0602 DC DETECTOR Roos 72 0603 0605 RELAY DRIVE Q606 0607 OVER LOAD DETECTOR Q608 BUFFER 0601 605 155252 HE HSS104 02 HEWZI D HEWZI ONLY _ ieu 1 2405 4 507 1 25 POWER TRANSFORMER T 51396 01 Q704 V SWITCH c 707 Sy 070 TRANS assembly A AWZ3930 HB 24239 4 AC POWER CORD ADG1049 HE 220 230 240 50 60Hz ADG 1087 HB 220 230 230 240V 50 60Hz ADG1012 HEWZI 220 230 230 240V 50 60Hz 0609 0610 POWER OFF DETECTOR Line Voltage Selection Line voltage can be changed with the following steps 1 Disconnect the AC Power cord 2 Remove the top cover 3 Change the connection with the power transformer E E primary taps ASRI 8 ae 4 Stick the line voltage label on the rear panel E 4i Part No Description 2362458 N gt 0717 0716 aati 193 220V label 192 240V label 4 1 2 1 ite sisi si od zm 5 3 29 1672 ST 242 UNS gt
31. C501 POWER HE HB ONLY o HE HB 42592 8502 b AN 100725 9514 a ONLY C HPLOUT 5 c 3507 10406 lg x 416 1403 il x 0 22 01 1C403 1C405 SFC HEWZI ONLY i SSS 4 7K ONLY Tm x 5 4 19V CWIT IU 7 i i 0049 1 405 LA3607 501 STK4152 26 Voltage 0 8 0 1 0 0 0 0 0 0100 5 0702 705 704 705 708 709 718 719 55566 Other Diodes 155252 except zenor diode HEADPHONE assembly AWZ3942 HE HB AWZ3943 HEWZI 1 501 POWER AMP 16501 STK4152 2GP 552 551 1100p _100p HEWZI ONLY SPEAKER J PSO 012 HEWZI ONLY 522 10 1 48 HEWZI pe 524 526 1000p H Q603 0605 RELAY DRIVE Q606 Q607 OVER LOAD DETECTOR 0601 605 155252 HE 55104 02 HEWZI EK 507 T800mA 2 se E e 4 HEWZI ONLY 9521 9523 1000p Us C515 514 BN 100725 8515 9519 9520 Bi PS SPEAKER 2 SIS ges 5 aye HEWZI ONLY SSS H
32. Gallet TRACKING ADJ IND 5 2909 7 E anes 55102 02 i i 5 sgj HE gs J RE 5475 IX ala amp Hm 2 ot T e 1907 2775 58 EI o oT ag ge iE 1 079 Q D 2245 CENTER ADJ 0910 1 1 902 FM AM IF DET TP903 0 909 0 1907 20 JPS 77 6406 2904 paga 908 225 bk 22 0k 1 0 12901 PLL 277 905 9 01 10901 187001 550 25601740518 3 0901 0902 LOOP FILTER EF T METER l _ 4 5 SX P520 5 vco A 905 107 1 55104 02 12903 MPX E e 21 i STs tcaioo START 4 52 b coca 5 FM MONO z q gt TUNE gt Robb STEREO 2 2 2 50 100 E amp 4 5 2 p um CAL 2 i 2 5 PLL 1067 DATA E 8 5 PLL CE 8 gb 3 34 eye aces 0944 y R965 2 5V 3 3 0957 a c1 5V 8 0910 RIPPLE FILTER 2 2750 1 1 5 B E 12 0 E o 27 0 pus O a L908 2 5 L 2 n ME 2 R 2778 En
33. OR ELECTR CAPACITOR ELECTROLYTIC CAPACIT ELECTR CAPACITOR ELECTROLYTIC CAPACIT CERAMIC CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELECTROLYTIC CAPACIT 2200 42 CKA 0 01 AC250V ELECTR CAPACITOR ELECTROLYTIC CAPACIT ELECTR CAPACITOR ELECTR CAPACITOR Parts No CEAS2R2M50 152 50 562 50 52 2 50 CEAS470M10 CEAS2R2M50 CEAS2R2M50 CKCYB682K50 CKCYB102K50 562 50 223 25 474150 CEAS2R2M50 CEASR47M50 56 8 50 CKCYX104M25 182 50 273 25 102 50 CKCYX153M25 CKCYB472K50 CKCYX683M25 CKCYB272K50 CKCYX393M25 561 50 822 50 CKCYB561K50 272 50 CEAS2R2M50 CEAS2R2M50 CKCYB331K50 CEAS220M25 CEAS101M25 CEAS100M50 CEANP220M35 CEAS100M50 CEANP470M50 CKCYX104M25 CEAS221M10 CEAS220M25 CEAS100M50 CEAS100M25 ACH1109 ACG1005 CEAS222M25 CEHAQ470M16 CEAS100M25 CEAS102M25 Mark No C710 711 C712 C713 C715 C716 C717 C718 C719 C720 RESISTORS R503 504 R505 506 R507 509 R510 R511 512 R513 514 R515 R516 R517 R518 R519 520 R521 522 R615 616 R701 704 R706 R710 711 R712 R713 OTHERS CN3 CN5 CN7 Description ELECTROLYTIC CAPACIT ELECTROLYTIC CAPACIT ELECTROLYTIC CAPACIT ELECTROLYTIC CAPACIT ELECTR CAPACITOR ELECTR CAPACITOR ELECTR CAPACITOR ELEC
34. RYg S CLKE N3 9 9 9 O 9 9 9 9 9 69 9 0 O 9 9 9 9 9 VOLUME assembly 1 5001 VOLUME DRIVE hs Ei EN ue E 57 gt R2022 5 21 bh 2 7 522 8 E ol E 62010 R2026 R2028 ale ih 5 2 10 82050 SI ef i 2012 81004 100 0 1003 100 0 5001 72915 WZ3941 HE WZ3963 HEWZI 1 500 72915 a gt 2 3 1 2 tc 3 5dB at 70Hz 2 3 SX P520 5 PARTS LIST NOTES e Part without part number cannot be supplied Parts marked by amp are not always kept in stock Their delivery time may be longer than usual or they may be unavailable The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation e When ordering resistors first convert resistance values into code form as shown in the following examples 1 When there are 2 effective digits any digit apart from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and 10 5600 56 X 10 S61 aeu RDI SPM I3 6 J 47kQ 47 X 10 ATS dus RDIAPS BI UI 0 5Q ORS sts ba rg eres RN2H Wl BGK 19 eee RSIP o9 2 Wh
35. TROLYTIC CAPACIT ELECTR CAPACITOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR CARBON FILM RESISTOR FUSLIBLE RESISTOR METAL OXIDE RESISTOR METAL OXIDE RESISTOR CARBON FILM RESISTOR METAL OXIDE RESISTOR METAL OXIDE RESISTOR METAL OXIDE RESISTOR Other resistors 30P SOCKET CONNECTOR 9P SOCKET 17P PIN JACK 2P PHONO SPEAKER TERMINAL 4 Parts No CEHAQ100M25 CEAS331M50 5470 63 CEHAQ220M50 CEHAQ100M50 CEAS100M50 CEAS4R7M50 CEHAQ470M50 CEAS102M16 RD1 4PM104J 1 4 8211 RD1 4PM222 RD1 4PM222 1 4 1041 1 4 1011 RD1 4PM102J RD1 4PM222 RD1 4PMFL222 RD1 4PMFLA71J RD1 4PM100J RFA1 4PL100J RS2LMFR22 RS2LMF181J RD1 4PM392 RS2LMF221J 521 222 RS2LMF272J 1094 9 1101 1100 1012 Mark Description TUNER ASSEMBLY AWZ3938 SEMICONDUCTORS IC901 IC902 IC903 Q901 Q902 Q903 904 Q905 907 Q909 Q910 911 Q915 916 Q917 D318 D906 907 D909 911 COILS F903 F904 F905 906 1901 903 L904 L905 L907 L908 CAPACITORS C901 C903 904 C905 C906 C907 C909 C912 914 C915 C916 C919 921 C922 C923 C924 C925 C926 C927 C928 C929 C930
36. Z50 C921 CKPUYFA73216 enn C952 C953 CKDYB122K50 CKDYB102K50 C961 C962 CKDYB272K50 CKDYB392K50 C969 CCDCH270J50 6550 2 je dieere CCDCH101J50 8911 6914 R919 RD1 8PM103J eee R915 R917 RD1 8PM102J m R924 RD 1 8PM331J RD 1 8PM561J R928 RD1 8PM221J R955 RD1 8PM152J RD1 8PM122J R959 1960 RD1 8PM392J RD 1 8PM682J 1 002 4 444 4 4 Serial module assembly antenna terminal with PAL gt eem 2P antenna terminal with PAL AKA1012 AM RF Tuning block AXX1026 AXX1027 2 Serial F E module assembly NOTE PCB connection diagram for HEWZI type refer to page 11 8 2 SCHEMATIC DIAGRAM TUNER assembly For HEWZI type TUNER assembly AWZ3939 FM FRONT END 4 Serial F E Module assembly AXQ1004 Q909 BUFFER zm zea za gt Osa 922 0 022 5 0907 MW ON OFF e 85104 02 5 b 1012 6907 gt yo Q905 FM F E ON OFF p 4 A f s BEI 2 8 4 ST 1 TC901 5 AXX1027 TRACKING ADJ A Y STs 7725 e T MW BLOCK 10902 E ANT COIL 112663 TUNED 5
37. ble for Tuner PLL IC H 76 PLL 1067 Data for Tuner PLL IC and Port DATA expander 77 PLL 1067 Clock for Tuner PLL IC and Port CLK expander IC 78 5060Hz 1 AC pulse Input IN 79 MODEL Port for switching destination C L SINGLE CD H TWIN MULTI CD DISP I CLOCK Input for CD display data CLK communication SX P520 8 FOR HB AND HEWZI TYPES NOTES e Part without part number cannot be supplied The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Parts marked by amp are not always kept in stock Their delivery time may be longer than usual or they may be unavailable 8 1 CONTRAST OF MISCELLANEOUS PARTS SX P520 HB HEWZI and SX P520 HE have the same construction except for the following Part No Symbol amp Description SX P520 SX P520 SX P520 Remarks HE type HB type HEWZI type POWER assembly AWZ3944 AWZ3944 AWZ3945 TRANS assembly AWZ3930 AWZ3930 AWZ4239 FRONT assembly AWZS3950 AWZ3950 AWZ3951 TUNER assembly AWZ3938 AWZ3938 AWZ3939 VOLUME assembly AWZ3941 AWZ3941 AWZ3963 e 6 9 9 HEADPHONE assembly AWZ3942 AWZ3942 AWZ3943 Capacitor 0 01 AC400V ACG1003 gt gt AC Power cord ADG1012 Screw 115 GND screw for C523 C524 and C526 FM antenna FM antenna assembly Operating instructions ARC 1324 For RECEIVER Dutch Swedish Spa
38. characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual The use of a substitute replacement component which dose not have the same safety characteristics as the PIONEER recommended replacement one shown in the parts list in this Service Manual may create shock fire or other hazards Product Safety is continuously under review and new instructions are issued from time to time For the latest information always consult the current PIONEER Service Manual A subscription to or ad ditional copies of PIONEER Service Manual may be obtained at a nominal charge from PIONEER 2 SPECIFICATIONS STEREO RECEIVER SX P520 Amplifier Section Continuous Power Output DIN 30 W 30 W 1 kHz 5 8 ohms Continuous Power Output RMS 35W 35 1 kHz T H D 5 8 ohms Music Power DIN 2 0 2 4 040 40 040014 48 W 48W 1 kHz T H D 1096 8 ohms Total Harmonic Distortion 1 kHz 20 W ohms 400202 0 0 296 Miscellaneous Power Requirements 220 230 V AC 50 60 Hz Power Consumption 182W Dimensions 260 W x 180 H x 301 D mm Weight without 4 9 kg FM AM
39. ed 1 SAFETY INFORMATION FOR USA MODEL ONLY 1 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground water pipe conduit etc by connecting a leakage current tester such as Simpson Model 229 2 or equivalent between the earth ground and all exposed metal parts of the appliance input output terminals screwheads metal overlays control shaft etc Plug the AC line cord of the appliance directly into a 120V 6 2 outlet and turn the AC power switch on Any current measured must not exceed 0 5mA Reading should Leakage ot be above 0 5mA Device under test Test all exposed metal surfaces lt 2 wire cord Ne 7 Also test with plug reversed Earth Using AC adapter ground plug as required AC Leakage Test ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A PO TENTIAL SHOCK HAZARD AND MUST BE COR RECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER 2 PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the appli ance have special safety related characteristics These are often not evident from visual inspection nor the protection afforded by them necessarily can be ob tained by using replacement components rated for vol tage wattage etc Replacement parts which have these special safety
40. en there are 3 effective digits such as in high precision metal film resistors 5620 562 10 5621 1 48 Mark Description Parts No Mark No Description Parts No LIST OF ASSEMBLIES Q607 TRANSISTOR 25 2458 608 TRANSISTOR XDA143ES e TRANS ASSEMBLY AWZ3930 22 XDC1 ne POWER ASSEMBLY AWZ3944 Q610 TRANSISTOR XDC124ES TUNER ASSEMBLY AWZ3938 Q701 TRANSISTOR 2682603 VOLUME ASSEMBLY AWZ3941 HEADPHONE ASSEMBLY AWZ3942 Q702 TRANSISTOR 2SC2458 ISTO 25 1115 FRONT ASSEMBLY AWZ3950 sus Q705 TRANSISTOR 25 2603 0707 TRANSISTOR XDA143ES SEMICONDUCTORS 0709 TRANSISTOR XDA143ES Q710 TRANSISTOR 25 2458 IC PROTECTOR RENS 9711 TRANSISTOR XDA143bS IC706 707 IC PROTECTOR ICP N38 1 708 75 1601 605 DIODE 155252 D701 DIODE RBV402 D702 705 DIODE S5566 D707 ZENER DIODE RD5 1ESB 9 POWER ASSEMBLY AWZ3944 D708 709 DIODE 55566 SEMICONDUCTORS D710 ZENER DIODE RD10ESB2 IC101 LOGIC IC MC14052BCP D711 ZENER DIODE RD7 5ESB2 1C102 103 OP AMP IC RC4558DXP D712 714 DIODE 155252 1 302 NJM4558LD D715 ZENER DIODE RD5 6ESB IC401 SOUND PROCESSOR 0049 D716 717 DIODE 155252 1 403 404 RC4558DXP D718 719 DIODE 5566 1 405 GEQ IC LA3607 D720 721 ZENER DIODE RD10ESB2 501 AUDIO IC STK4152 2GP IC701 REGULATOR IC NJM7812FAS RELAIES 1 702 REGULATOR IC NJM79M12FA 1C703 REGULATOR IC NJM78M56F
41. essus amp AM SIGNAL ene e nw SIGNAL PLL 1067 CLK PLL 1067 DATA PLL CE 04100 START 4 lt LOCAL 2 zt 5 FM 0 0 22 gt Ca m E o o oO SX P520 R966 100 8955 100 1 4 PLLCI FM amp AM SIGNAL 9 9 5 9 0 9 AM SIGNAL LC8100 START LOCAL FM MONO TUNE STEREO PLL 1067 CLK PLL 1067 DATA PEL 5V 5V CN10 9 9 9 00 9 9 9 Q L GND R GND 5 12V 5V GND REC OUT MUTE VOCALZINST CN4 To FRONT assembly J10 P34 To POWER assembly 4 gt P18 1 7 2906 12V Vcc Q909 BUFFER gt JM o e Sw 9 2 o 5 5 ve 1571 4 amp 0658 2 z KJ iste 559 bree 5 lt 1075 779070 8 10142 gt 10 001 o E Os o 1 o 0 42 2 e 063 Ne n gt 2 0 1 0 gt o hs 10701 0701 Sik 215 9668 1958 9968 gt NOL 2 92 1058451 00142 zi ane a 68 06 4 05 071 9559 GND 2 esl j ES coz indy 1 o WS 4 34 0J
42. h Germam 18 POWER BUTTON AAD2183 Italian CASSETTE CD 19 AUDITION BUTTON AAD2185 53 DRY CELL R03 AAA 021 20 BATTERY COVER AZA1375 54 SHEET AHG1040 55 FRONT PAD AHA1476 21 TUNER DISPLAY PANEL AAK2260 22 REMOCON FILTER AAK2261 56 REAR PAD 1477 23 FUSE CARD AAX 243 57 PACKING CASE AHD2219 24 SCREW STEEL ABA1095 58 FM ANTENNA ADH1005 25 AC POWER CORD ADG1049 59 SCREW VBZ35P080FMC 26 RUBBER SHEET 1111 27 STRAIN RELIEF 882 28 NYLON RIVET AEC1160 29 SPACER AEC1358 30 FRONT PANEL AMB1937 31 CHASSIS ANA1136 32 REAR PANEL ANC1829 33 BONNET ANE1326 34 PACK HOLDER ANG1434 35 HEAT SINK HOLDER A ANG1628 36 HEAT SINK HOLDER B ANG1629 37 HEAT SINK ANH1361 38 SCREW BBZ30P060FMC 39 SCREW 230 080 2 40 SCREW BPZ26P080FMC PM TET D RD 7 2 gt 291 3994 3 gt n E AESA af o NS J 568 f SD YPW types only MIC LEVEL control 191 1 SD YPW VOCAL CANCEL 9 39 5 Qe lt 6 Co 92 amp m NOTE Screws adjacent to mark on the product are used for disassembly X t 5 X 7 5 Voltage selector 4 SCHEMATIC DIAGRAMS AND CONNECTION DIAGRAMS 4 1 CONNECTION DIAGRAM A FRONT assembly AWZ3950 HE HB
43. nish Portuguese Operating instructions ARC1337 For CASSETTE CD Dutch Swedish Spanish Portuguese Operating instructions ARE1223 For RECEIVER English French Germam Italian Operating instructions ARE1233 For CASSETTE CD English French Germam Italian Operating instructions ARB1362 For RECEIVER English Operating instructions ARB1364 For CASSETTE CD English Operating instructions ARC1336 For RECEIVER German Italian Operating instructions ARC1340 For CASSETTE CD German Italian 45 SX P520 POWER ASSEMBLY AWZ3945 POWER assembly AWZ3945 and POWER assembly AWZ3944 have the same construction except for the following Part No Symbol amp Description 0601 0605 0712 0714 0716 0717 501 1502 503 504 103 104 108 107 C151 C152 C155 C157 C160 C171 C172 C153 C154 C158 C159 C161 C162 C163 C164 C165 C166 C503 C504 C518 C519 C521 C522 C526 C523 C524 C703 0 014F AC250V C703 C713 R121 R122 R501 R502 R151 R152 R153 R154 R155 R158 AWZ3944 155252 155252 133 CCCSL101J50 CCDSL101J50 CEAS470M63 RD1 8PM102J AWZ3945 55104 02 55104 02 059 059 91 50 91 50 471 50 CCCSL470J50 CCDSL470J50 CKDYB471K50 CCCSL101J50 CKCYB391K50 CKCYF103Z50 CCDSL101J50 CKDYB102K50 CQMA473K 250 CEAS470M100 RD1 8PM222J RD
44. ter 8 To VOLUME assembly J5 gt P30 To FRONT assembly P31 0 TUNER assembly CN4 P13 E To PDC P520T or 520 ll Q 5 c 3 3 4 on gt Pc 2 gt 0 2 Ee Se Se FRONT assembly AWZ3950 HE HB 9 o 0 o c o oJ AWZ3951 HEWZI soos VOLUME assembly AWZ3941 HE HB AWZ3963 HEWZI POWER assembly CN5 P21 ANE ga 2 perts which have been mounted on the board can be replaced with those shown with the corresponding wiring symbols listed in the following Table 0 3 terminal marked with double circles shows terminal The diode terminal marked with double circles shows cathode side _ 8 53028 aM ZUM 5 6 Hi 1030 ii Y WE IW 427 2 2 2 APR a 2 1 S _ BM 5 6 mou C B connection diagram is viewed from the parts C TUNER assembly CN10 P13 2 1 23 gt p WW 7 7 00 3 EJ 4 E 4 SS
45. up Adjustment location Specifications MW block ANT coil TC901 Adjust so that the DC voltage between TP904 and GND is maximum TUNED indicator sensitivity adjustment 03 999 5545 AM antenna terminal SX 520 FM 750 ntenna terminal Frequency counter Fig 6 1 Adjust so that the indicator lights up Frequency counter DC voltmeter FM and AM adjustment wiring diagram SX P520 7 IC INFORMATION PDGO78A 1C3001 TUNER CONTROL MICRO COMPUTER Pin Function Function ACT Function met ACT 24 2 I A D input 33082 for spectrum analyzer BPF STEREO STEREO Signal 2 1 REMOCON Signal A D input 1kHz for spectrum TUNE I TUNE Signal analyzer BPF MONO FM MONO Output A D input 3 3kHz for spectrum analyzer BPF 25 BPF IN 3 I 26 BPF IN4 I t Q Q gt t FM LOCAL Output 9k 10k Switching Channel Step Frequency POWER POWER ON OFF Switching I CLOCK Input for CD display data communication DATA Input for CD display data communication A D input 10kHz for spectrum analyzer BPF 5 6 gm Port A for switching destination L HE HB types H HEWZI KUC SD YPW types Port B for switching destination g 29 L HEWZI type SD YPW types RET MICRO COMPUTER 10 SB Relay control

9.6uOJ

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