SERVICE MANUAL - Wiki Karat
Contents
1. us MAIN BOARD VOLTAGE KEY BOARD Z20pFRENCH 00 1 R3 10 vn 220 T Us Tong TP SS AM Uw FERRI TE ROD B 24 0 It We 001 2 C56 n 10 740 Xi 0 10810 M 8 144 146 2 7 47005 110010 CRYSTAL DISPLAY 423 18 duh m a cap 0 22 814 106 1 1 1 1 N RACI NL FM TELESCOPIC TRACKING x2 t ANTENNA al 2 2 wat 50k 8 SEIT 8 VOL S0sIFRENC VOB AEP UK i 15 330pFRENCH j Op AEP Uk EET 4 1 104 1 0 LCD DRIVE VDLTAGE ATOA Rs fe k 5 59000000560 e 19 DL 1 I 0 co 5885 rz zz rs D PRESET B TUNING m ws m 2 FM AM FRONT END 4 2 m T de 162 1 AGC IF QUT QUT CUT OUT 01 AF IN 4 5 2 FM AM PLL STATION aan m SYSTEM CONTROLLER SELECT A d LEB DAIVER ey yg SD PRESET 1 0 1 0 1702. 4 1 BLOCK DIAGRAM 4 2 NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board Note on Schematic Diagram FM TRACKING o parts extracted from the component side All capacitors are in F unless otherwise noted pF pF ANTI PRESS parts extracted from the conductor side 50 WV or less are not indicated except for electrolytics iral silk FRONTE indicates side identified with part number and tantalums Aor E SIGNAL PATH Through hole All resistors are in Q or less unless otherwise i A internal component specified Pattern from the side which enables seeing A _ internal component RF The other layers patterns are not indicated 1 panel designation MRF FM AM 7 E bu AF BH Line IN p 4 IN gt we gt 2 moveo HEP gt gt e 99 T gt hh app a gt 5 CR EYED 7 adjustment for repair T ipai attern face side Parts on the pattern face side seen from Power voltage is dc 3 V and fed with regulated dc power us r 1 Conductor Side the pattern face are indicated supply from battery terminal S m i Parts face side Parts on the parts face si
3. 1 671 478 1 ICF M33RDS 4 4 PRINTED WIRING BOARD PANEL Section ENT 3 J 4 5 6 7 8 9 10 _ de 1 1 6117 Semiconductor Location KEY BOARD COMPONENT SIDE KEY BOARD CONDUCTOR SIDE m Page 16 i BOARD Page 15 F gt e 05 1 671 479 i 671 479 7 18 19 20 Ver 1 1 2000 01 ICF M33RDS 4 5 SCHEMATIC DIAGRAM See 25 for Waveforms See page 26 for IC Block Diagrams 1 2 3 4 5 8 7 8 9 10 u 12 13 14 J 15 16 17 18 19 20 2 2 23
4. 1019 6 g 5 35 8 t 2 ou 38 U zo 5 z 8 3 stop og 9 a3 D z 9 E 6 Oan aa O aaa O aa O aaa Oaa VT mE DISCRIMINATOR mur ME AFPONER AM IF DET AGG 7499090 02 69 0 9 09 h DE z 9 amp 5 8 H E 8 se B 38 39 8 ox 2 TC9418FN EL 8 8888 65 63 D TBT A SWALLOW TRY COUNTER stare Buren suma aN ZN PHASE PROGRAMMABLE COMPARATOR COUNTER RE U 1 BIT REGISTER Mrs 20BIT r T counter REGISTER REFERENCE t LO 32 BIT SHIFT REGISTER REGULATOR H u SU O PORT 7 INTERFACE D DD n 8 3 96 IC3 BU1924F TEST ox amp 8 i oww s 5 8 2 aO x z EG 4 28 706 EB dno ESSA ISSA toga BUA wo 2072 Ver 1 1 2000 01 4 6 IC PIN FUNCTION DESCRIPTION KEY BOARD 1 101 1 753012 05 3 9 SYSTEM CONTROLLER LCD DRIVER KEY CONTROL
5. Pin No Pin Name Description 120 LCDI2toLCD3l Segment drive signal output to the liquid crystal display LCD101 211024 COMO to COM3 Common drive signal output to the liquid crystal display LCD101 25 BIAS Liquid crystal display drive bias control output terminal Not used open 26 VLCDO I Develop liquid crystal display drive voltage input terminal 27 28 VLCDI VLCD2 I Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage 29 to 32 to KS3 Key scan signal output of the key matrix S102 to S117 33 VSS Ground terminal 34 35 LIGHT Liquid crystal display back light LED drive signal output terminal L back light on 36 POWER PLL low pass filter power supply on off control signal output terminal power on 37 RDS decode circuit power supply on off control signal output terminal L power 38 VDETI I Battery voltage detect signal input terminal is input at low voltage 39 CLK RX Clock signal output for the receive level control Not used open 40 DTA RX Data output for the receive level control Not used open 41 AF AUTO I AE mode election signal input terminal L manual mode H auto mode Fixed at L in this set 42 TEST 1 Test mode input terminal L test mode Not used open 43 CLK RDS 1 Serial data transfer clock signal inp
6. When you release SLEEP CLOCK the previous display comes on again To turn off the sleep timer before the end of the timer duration press POWER When you press SLEEP CLOCK while the timer Bas been activated the elapsed time will be erased and the timer duration will begin from the start Using the RDS Function In this radio the following functions are available for receiving RDS data Displaying the Station Name You can set the unit to display the name of the tuned in station 1 Press BAND to select the FM band You can select either FM2 2 Tune in to the desired station When the radio is receiving RDS data RDS and the name of the station transmitting the data appear in the display If no RDS data is received RDS automatically goes off Notes RDS data can only be received on the FM band The RDS function of this radio will not be activated if the tuned in FM station does not transmit RDS data The function may also not work properly in areas where RDS transmissions are in an experimental stage Locating Better Recep tion Some broadcasters such as the BBC broadcast on several frequer The ALTERNATIVE SEARCH function enables the unit through AF List of Alternative Frequencies data to locate another frequency with a stronger signal and to automatically switch to that frequency 1 Press and hold down ALTERNATIVE SEARCH until the unit
7. m PUTSSC 2AGC ti 05 389 1 0 50 4 5 x e C126 75 8 z 2 8 9 9 8 9 BE R123 10k 5108 m 4 e 2 8 25 10 BAND 8117 2 C29 1 2 8 8122 10K one are 1 e me So 0 47 1 2 8 R121 10K uw 0 8 RI 10 8 3 s 2 pom gg 444 FO C ad 1 0 cit E o2 802 domat Stree 8 os RIS 5108 5103 5116 4 eee i xg 1 m gt qe 22004 917 2360 S xo Urge amp 2 8 10k POWER n 2 cia 070 S C24 c26 tobe 82 2 gy d m 05e E ST ro 102 BAND SELECT 7 i T 4 bad St E iq lil ALTERNAT SWITCH 7 I e I snas SEARCH 2 ote 9 a 9 el J MEN 10 e I zl STATION s 5111 5114 4 0 01 n EET cLock Fu 1 lt m 4 ei z 4 HH 4 5 BF TI 1008 510 5115 RUS 17 x102 SET i R128 M 330k E T E D M LL ts ts m 829 EH m Eo SPEAKER 10k VI 10 Mk az vise 1C103 7 QU ge RESET SIGNAL ES 3l E HH 1 GENERATOR 1 HIH a 4 1 RIDE 10 pel Loe aye R28 CURREN 5 807 MM s a 2 25 e 22 5 gt 2 8 Fre T ZEE ys HHH oui
8. 33 ICF M33RDS Sony Corporation Printed in Japan 999 1 9 926 922 11 Parsonal A amp V Products Company Published by Quality Engineering Dept 84 Shibaura SON Y SERVICE MANUAL 2001 02 ICF M33RDS SUPPLEMENT 1 File this supplement with the service manual AEP Model UK Model Subject Silver model addition ENG 01001 Difference parts list Page Former New Ref Part No Description Remark Ref No Part No Description Remark 3 3 027 770 01 CABINET FRONT UK 3 3 027 770 01 CABINET FRONT BLACK AEP UK 3 3 027 770 11 CABINET FRONT French 3 3 027 770 11 CABINET FRONT BLACK French 3 3 027 770 21 CABINET FRONT SILVER AEP UK 3 3 027 770 31 CABINET FRONT SILVER French 8 3 380 918 21 STAND 8 3 380 918 21 STAND BLACK 8 3 380 918 41 STAND SILVER 9 3 027 784 01 LID BATTERY CASE 9 3 027 784 01 LID BATTERY CASE BLACK 9 3 027 784 11 LID BATTERY CASE SILVER 29 12 3 027 771 01 12 3 027 771 01 BLACK 12 3 027 771 11 SILVER 16 3 027 778 01 VOL 16 3 027 778 01 VOL BLACK 16 3 027 778 11 VOL SILVER 17 3 027 777 01 KNOB JOG 17 3 027 777 01 KNOB JOG BLACK 17 3 027 777 11 KNOB JOG SILVER 21 3 027 775 01 BUTTON PRESET 1 3 027 775 01 BUTTON PRES
9. power adaptor recommended for this unit do not use any other type Avoid exposure to temperature extremes direct sunlight moisture sand dust or mechanical shock Never leave the uni car parked in the The name plate indicating operating voltage is located at the rear Should any solid object or liquid fall into the unit disconnect the AC power adaptor or remove the batteries and have the unit checked by qualified personnel before operating it any further Since a strong magnet is used for the speaker keep personal credit cards using magnetic coding or spring wound watches away from the unit to prevent possible damage from the magnet When the casing becomes soiled clean it with soft cloth dampened with mild detergent solution Never use abrasive cleansers or chemical solvents as they may mar the casing In vehicles or buildings radio reception may be difficult or noisy Try listening near window ina If you have any questions or problem concerning your unit please consult the nearest Sony dealer SECTION 2 DISASSEMBLY This set can be disassembled in the order shown below Set gt Cabinet Rear gt Chassis Key Board Main Board Note Follow the disassembly procedure in the numerical order given CABINET REAR telescopic FM antenna hand strap Q screw ANT contact plate nylock B3 x 6 Ja five screws P2x 1
10. 50V CONNECTOR C29 1 164 005 11 CERAMIC CHIP 0 47uF 25V C30 1 164 489 11 CERAMICCHIP 0 22uF 10 16V 1 568 272 11 5 6 C31 1 163 021 11 CERAMICCHIP 0 01uF 10 50 C32 1 163 021 11 CERAMICCHIP 0 01uF 10 50V C33 1 163 220 11 CERAMICCHIP 0 25PF 50V 30 CN2 1 568 273 11 7 Ref No 162 103 JC1 JC3 JC4 JC5 JC12 JC13 JC14 JC15 JC16 JC17 JC19 JC20 JC21 JC22 JC23 JC24 JC30 12 L3 L4 Part No 1 141 444 11 1 141 304 21 1 141 304 21 8 719 072 59 8 713 100 11 8 713 100 11 8 719 977 40 8 719 988 61 8 719 026 23 8 719 988 61 8 719 026 23 8 719 053 18 8 719 800 76 1 764 799 11 1 563 836 21 8 752 050 16 8 759 362 24 8 759 560 51 8 759 434 03 1 216 296 00 1 216 295 00 1 216 296 00 1 216 296 00 1 216 296 00 1 216 295 00 1 216 296 00 1 216 295 00 1 216 296 00 1 216 296 00 1 216 296 00 1 216 296 00 1 216 295 00 1 216 296 00 1 216 296 00 1 216 296 00 1 216 296 00 1 216 296 00 1 216 296 00 1 216 295 00 1 216 296 00 1 216 295 00 1 216 295 00 1 216 295 00 1 754 030 11 1 754 031 11 1 406 545 11 1 406 546 11 Description Remark Ref Part No Description TRIMMER L5 1 415 930 11 COIL OSC French CAP CERAMIC TRIMMER 50PF French L5 1 406 485 11 COIL OSC UK CAP TRIMMER 10PF AEP UK L6 1 414 405
11. MAIN KEY Ref No No 1 225 441 41 1 404 790 11 T2 1 449 138 11 x 1 767 517 11 2 1 579 900 21 A 3683 020 A 3683 021 3 027 781 01 C101 1 163 038 00 C102 1 163 038 00 6103 1 163 038 00 C104 1 163 009 11 C105 1 163 009 11 C106 1 163 009 11 C107 1 163 009 11 C109 1 163 009 11 C110 1 163 009 11 6111 1 163 009 11 C112 1 163 009 11 C113 1 163 009 11 6114 1 163 009 11 C115 1 164 346 11 6116 1 163 231 11 C117 1 163 235 11 C120 1 163 021 91 C125 1 164 005 11 C126 1 164 346 11 C127 1 164 004 11 C128 1 164 004 11 C129 1 164 505 11 D101 8 719 047 42 D102 8 719 047 42 IC101 8 759 564 81 10102 8 759 575 75 10103 8 759 521 02 10104 8 759 449 90 JC101 1 216 864 11 Description Remark Part No Description Remark VARIABLE RESISTOR gt RES VAR CARBON 50K L101 1 414 406 11 INDUCTOR 220 L102 1 414 406 11 INDUCTOR 220 lt TRANSFORMER gt lt LIQUID CRYSTAL DISPLAY gt TRANSFORMER IF TRANSFORMER DC DC CONVERTER LCD101 1 803 331 11 DISPLAY PANEL LIQUID CRYSTAL VIBRATOR RESISTOR gt VIBRATOR CRYSTAL 75kHz R101 1 216 821 11 METAL CHIP 1K 5 1 16 VIBRATOR CRYSTAL 4 332MHz R102 1 216 821 11 METAL CHIP 1K 5 1 16 R103 1 216 821 11 METALCHIP 1K 5 1 16W R104 1 216 821 11 METAL CHIP 1K 5 1 16 KEY BOARD COMPLETE French R105 1 216 049 11 RES CHIP 1K 5 1 10W KEY BOARD COMPLETE AEP UK Oo on R106 1 216 073 00 META
12. 11 INDUCTOR 150uH TRIMMER 10PF L8 1 412 006 31 INDUCTOR CHIP 10uH lt DIODE gt lt TRANSISTOR gt DIODE SVC347S TL Qt 8 729 027 39 TRANSISTOR 144 146 DIODE 1T362 04 T8B Q2 8 729 120 28 TRANSISTOR 25 1623 116 DIODE 17362 04 8 Q3 8 729 220 93 2SK209G TE85L DIODE UDZ TE 17 13B Q4 8 729 120 28 TRANSISTOR 2SC1623 T1L6 DIODE 155355 17 05 8 729 120 28 TRANSISTOR 25 1623 116 DIODE 786 06 8 729 141 48 TRANSISTOR 2 8624 1 4 DIODE 155355 17 07 8 729 027 44 TRANSISTOR 114 146 DIODE MA786 TX 08 8 729 141 48 TRANSISTOR 258624 1 4 DIODE 1SR154 400TE 25 DIODE 155226 85 RESISTOR lt JACK gt Rt 1 216 097 00 RES CHIP 100K 5 R2 1 216 097 00 RES CHIP 100K 5 JACK EXTERNAL POWER DC IN 3V R3 1 216 073 00 METAL CHIP 10K 5 JACK G R4 1 216 121 00 RES CHIP 1M 5 R5 1 216 049 11 RES CHIP 1K 5 IC 1 216 017 00 RES CHIP 47 5 1019 6 R7 1 216 198 00 RES CHIP 1K 5 TC9418FN EL R8 1 216 069 00 METAL CHIP 6 8K 5 BU1924F R9 1 216 097 00 RES CHIP 100K 5 IC RH5RH331A T1 R10 1 216 037 00 METAL CHIP 330 5 lt SHORT gt R11 1 216 073 00 METAL CHIP 10K 5 R12 1 216 017 00 RES CHIP 47 5 SHORT 0 R13 1 216 073 00 METAL CHIP 10K 5 SHORT 0 R14 1 216 073 00 METAL CHIP 10K 5 SHORT 0 R15 1 216 057 00 METAL CHIP 2 2K 5 SHORT 0 SHORT 0 R16 1 216 017 00 RES CHIP 47 5 R17 1 216 073 00 METAL CHIP 10K 5 SHORT 0 R18 1 216 065 00 RES CHIP 4JK
13. 5 SHORT 0 R18 1 216 073 00 METAL CHIP 10K 5 SHORT 0 R20 1 216 049 91 RES CHIP 1K 5 SHORT 0 SHORT 0 R21 1 216 049 11 RES CHIP 1K 5 R22 1 216 198 00 RES CHIP 1K 5 SHORT 0 R23 1 216 043 91 RES CHIP 560 5 SHORT 0 R24 1 216 097 00 RES CHIP 100K 5 SHORT 0 R25 1 216 089 00 RES CHIP 47K 5 SHORT 0 SHORT 0 R26 1 216 113 00 METAL CHIP 470K 5 R27 1 216 049 11 RES CHIP 1K 5 SHORT 0 R28 1 216 057 00 METAL CHIP 2 2K 5 SHORT 0 R29 1 216 073 00 METAL CHIP 10K 5 SHORT 0 R30 1 216 001 00 METAL CHIP 10 5 SHORT 0 SHORT 0 R31 1 216 073 00 METAL CHIP 10K 5 R32 1 216 001 00 METAL CHIP 10 5 SHORT 0 R33 1 216 295 00 SHORT 0 SHORT 0 R34 1 216 049 11 RES CHIP 1K 5 SHORT 0 R35 1 216 025 00 RES CHIP 100 5 SHORT 0 R36 1 216 097 00 RES CHIP 100K 5 lt COIL gt R37 1 216 065 00 RES CHIP 4 7K 5 R38 1 216 073 00 METAL CHIP 10K 5 ANTENNA FERRITE ROD LW AEP UK R39 1 216 133 00 METAL CHIP 3 3M 5 ANTENNA FERRITE ROD AM French R40 1 216 025 00 RES CHIP 100 5 COIL AIR CORE COIL AIR CORE R42 1 216 065 00 RES CHIP 4 7K 5 31 MAIN Remark 140W 1 10 1 10 1 10 110W 1 10 1 8W 1 10 1 10 1 10 1 10 1 10 1 10 1 10 140W 1 10 1 10 140W 1 10 1 10 140W 1 8W 140W 140W 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 1 10 140W Ver 1 1 2000 01
14. e 1 degna PLL 258624 m 1 8 88 M C4 80622ANNP 151515151 Loz 6115 C120 2 80124 9 0 CONVERTER SWITCH P 0000 ii i 85 Bez 444445 EGQUA JC16 B6 58154 400 ka 3 0 MA786 Lad lt 5 1e gt ORY BATTERY is ci 2804 i 58 E RHSRASZIA gt 4 TEC DESIGNATION RO Pa Hn 0 T OUT IN 7 0 2PCS 3v D pzs 2i 1 18055 BC IN SV be T S eL j m m is sss a 21 23 24 Waveforms MAIN Board 1c2 X IN 400 mV DIV 5 us DIV 13 35 04 COLLECTOR 100 mV DIV 200 ns DIV 348ns 05 COLLECTOR 1 V DIV 200 ns DIV 352 ns 49 OSC IN 400 mV DIV 100 ns DIV 231 ns 1 Vp p 0 4 Vp p 37 Vp p 3 Vp p Board 1C101 amp xT 500 mV DIV 20 us DIV 1 7 Vp p _ rum 30 5 us 1c101 x2 1 VIDIV 100 ns DIV 231ns 25 Block Diagrams MAIN Board
15. the name of the broadcasting station for a few seconds before reverting to the current time Preset Tuning You can preset up to 10 stations in FM 5 stations FM1 5 stations in FM2 and 5 stations in LW Presetting a Station Example To preset a station on the FM 90 MHz frequency onto presct button 2 of FM2 1 Press POWER 2 Press BAND to select FM2 3 Tune in to the FM 90 MHz frequency Press and hold down the desired preset button 2 in this case 2 the preset button number flashes in the display A beep sounds and 2 stops flashing and remains in the display to indicate the presetting is successful z To preset other stations repeat the above steps To replace the station assigned to a preset button follow the above steps and in step 3 press the preset button you wish to reset Tuning in to a Preset Station 1 Press POWER 2 Press BAND to select the band 3 Press the desired preset button 4 Adjust VOL volume Setting the Sleep Timer By using the sleep timer function you can fall asleep to the sound of the radio The function when activated turns the radio off after 60 minutes Press POWER Press BAND to select the band Tune in to the desired station Adjust VOL volume Press SLEEP CLOCK A beep sounds and SLEEP 60 and appear in the display to indicate the setting is successful
16. 18 21 STAND ANT 1 501 362 11 ANTENNA TELESCOPIC 9 3 027 784 01 LID BATTERY CASE 12 1 754 030 11 ANTENNA FERRITE ROD LW AEP UK 10 3 028 720 01 CUSHION BATTERY CASELID L2 1 754 031 11 ANTENNA FERRITE ROD French 7 685 107 19 SCREW P 2X12 NON SLIT LCD101 1 803 331 11 DISPLAY PANEL LIQUID CRYSTAL 12 3 027 771 01 CABINET REAR 521 1 504 748 21 SPEAKER 6 6CM 13 3 027 788 01 TERMINAL BATTERY 14 3 027 789 01 TERMINAL BATTERY 15 3663 149 MAIN BOARD COMPLETE French 29 MAIN NOTE Due to standardization replacements in the parts list may be different from the parts speci fied in the diagrams or the components used on the set SECTION 6 ELECTRICAL PARTS LIST Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when order ing these items When indicating parts by reference number please include the board XX and X mean standardized parts so they SEMICONDUCTORS may have some difference from the original In each case p for example one uA SpA uPA RESISTORS uPB pPB uPC pPC AIL resistors are in ohms uPD uPD METAL Metal film resistor CAPACITORS METAL OXIDE Metal oxide film resistor uF pF F nonflammable COLS uH pH Ref Part No Description Remark Ref No No Description Remark 3663 149 MAIN
17. 2 cabinet rear CHASSIS Break the soldering of speaker lead KEY BOARD MAIN BOARD SECTION 3 ELECTRICAL ADJUSTMENTS O dB 1pV FM VCO VOLTAGE ADJUSTMENT Adjustment Part Frequency Display Reading On Digital voltmeter Setting L4 87 5 MHz 25 01 Band switch confirmation 108 0 MHz Less than 10 7 V FM RF signal generator FM antenna in level meter FM TRACKING ADJUSTMENT 0 01 uF 329 zi Adjust for a maximum reading on level meter O E EN i Loe 13 87 5 MHz 108 MHz 5 kHz frequency deviation by 400 Hz jack signal LW VOLTAGE ADJUSTMENT Quiput level as low as possible Adjustment Part Frequency Display Reading On Digital voltmeter 5 53 iz 153 2 2 33V AM LW 1 5 531 kHz 153 kHz 2 7 V 0 1 V 3 3 V 0 1V AM French model confirmation 1 602 kHz 279 kHz Less than 9 5 V 7 5 V LW UK models Setting AM LW TRACKING ADJUSTMENT Band switch AM LW Adjust for a maximum reading on level 12 621 kHz 162 kHz Put the lead wire RF signal antenna close to 1 404 KHz 243 kHz generator pecol level meter L A 320 AM IF ADJUSTMENT ve set I Ls Adjust for maximum reading on level meter 30 ampli
18. 5V R141 1 216 295 00 SHORT 0 CERAMIC CHIP luF 16V R142 1 216 295 91 SHORT 0 CERAMIC CHIP 0 1uF 10 25V SWITCH gt CERAMIC CHIP 0 1 10 25V CERAMIC CHIP 2 2 16V 101 1 553 510 00 SWITCH SLIDE STATION NAME 103 1 762 233 11 SWITCH KEYBOARD POWER lt DIODE gt 106 1 762 233 11 SWITCH KEYBOARD LIGHT 107 1 572 499 11 SWITCH TACTIL HOLD LED SLZ 235C 16 T1 LCD BACK LIGHT 108 1 762 233 11 SWITCH KEYBOARD BAND LED SLZ 235C 16 T1 LCD BACK LIGHT 109 1 762 233 11 SWITCH KEYBOARD TRAFFIC INFO IC 110 1 762 233 11 SWITCH KEYBOARD ALTERNATIVE SEARCH 111 1 762 233 11 SWITCH KEYBOARD CLOCK AUTO ADJUST uPD753012AGC F05 389 112 1 572 499 11 SWITCH TACTIL SLEEP CLOCK IC S 80822ANNP EDK T2 113 1 762 233 11 SWITCH KEYBOARD 5 S 80718AL AF T1 S 81222SGUP DQV T1 114 1 762 233 11 SWITCH KEYBOARD 4 5115 1 762 233 11 SWITCH KEYBOARD 3 lt SHORT gt 116 1 762 233 11 SWITCH KEYBOARD 2 117 1 762 233 11 SWITCH KEYBOARD 1 METAL CHIP 0 5 1 16W French lt VIBRATOR gt 101 1 567 098 41 VIBRATOR CRYSTAL 32 768kHz 32 Ref No Part No Description Remark X102 1 781 363 21 VIBRATOR CERAMIC 4 33MHz ACCESSORIES amp PACKING MATERIALS 3 864 831 11 MANUAL INSTRUCTION ENGLISH FRENCH GERMAN DUTCH 3 864 831 21 MANUAL INSTRUCTION ITALIAN SPANISH PORTGUESE SWEDISH 3 864 831 31 MANUAL INSTRUCTION FINNISH DANISH
19. AC adaptor AC E30HG not supplied Do not use any other AC power adaptor Polarity of the plug Setting the Clock When batteries are first installed in the unit 0 00 flashes in the display To set the clock the radio should be turned off 1 Press SLEEP CLOCK to stop 0 00 flashing in the display 2 While holding down SLEEP CLOCK turn TUNE TIME SET to set the clock to the current time When you turn TUNE TIME SET to or the time readout in the display increases or decreases respectively in one second steps Turning it to or causes the readout to rapidly increase or decrease respectively When you release SLEEP CLOCK the clock starts operating and begins to flash To check the current time while listening to the radio switch STATION NAME to CLOCK The current time appears in the display You can also set the current time through automatic synchronization with RDS data using the CT function Sce Setting the Clock with the CT Function Operating the Radio Manual Tuning 1 Press POWER 2 Adjust VOL volume Press BAND to select the band Repeated pressing of BAND changes the band in the following order FM2 Both and FM2 refer to the same waveband and are differentiated solely to enable more than one station to be assigned to a preset button See Preset Tuning 4 Turn TUNE TIME SET upward or downwa
20. BOARD COMPLETE French C34 1 124 434 00 ELECT 220uF 20 4V 3663 154 MAIN BOARD COMPLETE UK C35 1 163 038 00 CERAMICCHIP 25V lt BAND PASS FILTER gt BPF1 1 236 711 21 FILTER BAND PASS CAPACITOR C37 1 163 231 11 CERAMIC CHIP 15 5 50 C38 1 163 231 11 CERAMIC CHIP 15 5 50 C39 1 163 125 00 CERAMIC CHIP 220 5 50 C40 1 163 125 00 CERAMIC CHIP 220 5 50 CH 1 163 009 11 CERAMIC CHIP 0 001uF 10 50 C42 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V Ct 1 163 251 11 CERAMICCHIP 100 5 50V C43 1 126 157 11 ELECT 1OuF 20 16V 1 163 021 91 CERAMICCHIP 0 01uF 10 50V C44 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V 1 163 251 11 100 5 50V C45 1 163 235 11 CERAMIC CHIP 22 5 50 C4 1 163 141 00 CERAMICCHIP 0 001uF 5 50V C46 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C5 1 163 224 11 CERAMICCHIP 0 25PF 50V C47 1 163 038 00 CERAMIC CHIP 0 1uF 25V C6 1 163 141 00 CERAMIC CHIP 0 001uF 5 50V C48 1 163 243 11 CERAMIC CHIP 47 5 50 7 1 163 021 91 0 01uF 10 50 C49 1 163 113 00 CERAMIC CHIP 68PF 5 50V C8 1 163 125 00 CERAMIC CHIP 220 5 50V C50 1 163 133 00 CERAMIC CHIP 470 5 50V French C51 1 163 038 00 CERAMIC CHIP 0 25V C8 1 163 091 00 CERAMIC CHIP UK C9 1 163 129 00 CERAMIC CHIP 330 5 50V C52 1 163 009 11 CERAMIC CHIP 0 0010 10 50V French C53 1 164 505 11 CERAM
21. Do LCD31 COM3 LIGHT KS0 KS3 ER 6966 59 80 1 23 tf 4 8 32 81 87 6 6 62 69 6 6 Lad tad T x102 0 VOLTAGE DETECT 433MHz 32768kHz icto RESET SIGNAL LIQUID CRYSTAL DISPLAY L GENERATOR 100101 E s101 10103 0101 102 LI STATION NAME LCD BACK LIGHT STATION BACKUP B 5002 17 SYSTEM CONTROLLER B KEY MATRIX tock TUNER B 11 2 B vies HM Be SWITCH FOR LP CIRCUIT s 97 nw oe Dope mss 0000 Bs SWITCH DRY BATTERY IC3 B Ice 06 IEC DESIGNATION 2PCS 3V edd 12 13 ICF M33RDS Semiconductor Location Location cO 2 2 D 62 1 3 3 1 5 2 6 4 2 D D D D C D C C D C 4 3 PRINTED WIRING BOARD MAIN Section MAIN BOARD O EARPHONE SPI 0 SPEAKER ANT FM TELESCOPIC ANTENNA 14 WHT WHT R Page 20 KEY BOARD renc DRY BATTERY SIZE AA DESIGNATION R6 2PCS 3V AM LW FERRITE ROD ANTENNA 15 T i oe SESS 11 12 20 BOARD
22. ET BLACK 1 3 027 775 11 BUTTON PRESET SILVER 22 3 027 776 01 BUTTON HOLD 22 3 027 776 01 BUTTON HOLD BLACK 22 3 027 776 11 BUTTON HOLD SILVER 9 926 922 81 Sony Corporation 2001B0500 1 2001 2 Audio Entertainment Group General Engineering Dept 35 ICF M33RDS REVISION HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 12 2001 02 Silver model addition 1 1 2000 01 Correcting Parts No of IC101 1 0 1999 01 New
23. IC CHIP 2 2uF 16V C10 1 163 059 91 CERAMICCHIP 0 01uF 10 50V C54 1 104 847 11 TANTAL CHIP 220 20 4V C9 1 163 131 00 CERAMIC CHIP 390 5 50V C55 1 124 430 00 ELECT 22uF 20 4V UK C56 1 163 251 11 CERAMIC CHIP 100 5 50V Ch 1 126 157 11 ELECT 10uF 20 16V C57 1 104 905 11 CAPACITOR 0 22F 5 5V C12 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C58 1 163 017 00 CERAMIC CHIP 0 00470 5 50V 1 124 259 11 ELECT 4 7uF 20 16V C61 1 164 004 11 CERAMIC CHIP 0 10 25V C62 1 163 021 11 CERAMIC CHIP 0 01uF 10 50 14 1 163 021 11 CERAMICCHIP 0 01uF 10 50 C63 1 164 489 11 CERAMIC CHIP 0 22uF 10 16V Ct6 1 163 021 11 CERAMICCHIP 0 01uF 10 50V C17 1 163 038 00 CERAMIC CHIP 0 1uF 25V C64 1 163 239 11 CERAMIC CHIP 5 50 18 1 124 259 11 ELECT 4 7uF 20 16V French C19 1 126 157 11 ELECT 10uF 20 16V C65 1 163 251 11 CERAMIC CHIP 100 5 50V C20 1 163 037 11 CERAMICCHIP 0 022uF 10 25V C66 1 163 251 11 CERAMIC CHIP 100 5 50 C21 1 163 037 11 CERAMICCHIP 0 022uF 10 25V FILTER C23 1 124 430 00 ELECT 22uF 20 4V C24 1 126 518 11 ELECT 470uF 20 4V CFI 1 578 677 21 FILTER CRYSTAL French C25 1 164 346 11 CERAMICCHIP tuF 16V 1 577 319 11 FILTER CERAMIC AEP UK CF2 1 579 632 41 FILTER CERAMIC C26 1 164 346 11 CERAMIC CHIP tuF 16V 1 579 632 41 FILTER CERAMIC C27 1 126 935 11 ELECT 470uF 20 6 3V C28 1 163 021 11 CERAMICCHIP 0 01uF 10
24. ICF M33RDS SERVICE MANUAL AEP Model UK Model Ver 1 2 2001 02 With SUPPLEMENT 1 9 926 922 81 SPECIFICATIONS Time display 24 hour system Frequency range Band Frequency range Channel step 87 5 108 MHz 0 05 MHz fixed AM 531 L602kHz 9kHz fixed LW 153 279 kHz 9 kHz fixed The frequency readout in the display rounded to the nearest 0 1 MHz Exampl The frequency of 88 05 MHz appears as 88 0 MHz Indication of AM French model Indication of LW AEP UK models Power output 90 mW at 10 harmonic distortion Output earphone jack minijack Power requirements 3 V DC two R6 size AA batteries DC IN V jack accepts Sony AC E30HG power adaptor not supplied Dimensions Approx 165 x 82 x 36 7 mm w h d Approx 6 x 18 inches not incl projecting parts and controls Mass Approx 400 g 14 302 incl batteries Design and specifications arc subject to change without notice FM AM LW RDS RADIO 4 3 4 4 4 6 TABLE CONTENTS GENERAL Features Choosing the Power Source Setting the Clock Operating the Radio Setting the Sleep Timer Using the RDS Function Using Other Functions Precautions DISASSEMBLY ELECTRICAL ADJUSTMENTS DIAGRAMS Block Diagram Note for Printed Wiring Boards and Schematic Diagrams Printed Wiring Board MAIN Section Printed Wiring Boa
25. L CHIP 10K 5 1 10 R107 1 216 097 00 RES CHIP 100K 5 1 10 PLATE LIGHT GUID R108 1 216 013 00 METAL CHIP 33 5 1 10 109 1 216 013 00 METAL CHIP 33 5 lt CAPACITOR gt R110 1 216 833 11 METAL CHIP 10 5 1 16 CERAMIC CHIP 0 1uF 25V R111 1 216 833 11 METAL CHIP 10K 5 1 16 CERAMIC CHIP 0 1uF 25V R112 1 216 821 11 METAL CHIP 1K 5 1 16 CERAMIC CHIP 0 1uF 25V 113 1 216 821 11 METAL CHIP 1K 5 1 16 CERAMIC CHIP 0 0010 10 50V 114 1 216 821 11 METAL CHIP 1K 5 1 16 CERAMIC CHIP 0 0010 10 50V 115 1 216 833 11 METAL CHIP 10K 5 116W CERAMIC CHIP 0 001uF 10 50V 116 1 216 845 11 METAL CHIP 100K 5 1 16 CERAMIC CHIP 0 0010 10 50V 117 1 216 851 11 METAL CHIP 330K 5 1 16 CERAMIC CHIP 0 0010 10 50V R118 1 216 821 11 METAL CHIP 1K 5 1 16 CERAMIC CHIP 0 0010 10 50V 119 1 216 833 11 METAL CHIP 10K 5 1 16W CERAMIC CHIP 0 0010 10 50V R120 1 216 833 11 METAL CHIP 10K 5 1 16 CERAMIC CHIP 0 0010 10 50V R121 1 216 833 11 METAL CHIP 10K 5 1 16 CERAMIC CHIP 0 0010 10 50V R122 1 216 833 11 METAL CHIP 10K 5 116W CERAMIC CHIP 0 001uF 10 50V R123 1 216 833 11 METAL CHIP 10K 5 1 16 CERAMIC CHIP 1uF 16V 124 1 216 833 11 METAL CHIP 10K 5 1 16 CERAMIC CHIP 15 5 50V R128 1 216 121 00 RES CHIP 1M 5 1 10 CERAMIC CHIP 22 5 50V R139 1 216 295 00 SHORT 0 CERAMIC CHIP 0 01uF 10 50V R140 1 216 295 00 SHORT 0 CERAMIC CHIP 0 470 2
26. de seen from Voltages and waveforms are dc with respect to ground FERRITE ROD TRACKING DS pos DISCRIMINATOR ComponentSide the parts face are indicated under no signal detuned conditions e AM RF AIF mark FM gt AM LW 3 FRONT END a AM IF AMP Impossible to measure DET Voltages are taken with a VOM Input impedance 10 d I Voltage variations may be noted due to normal produc 8 8 FM AM TUNING METER Aon 8 BAND 4 tion tolerances T SELECT METER Waveforms are taken with a oscilloscope 5 7 OG Voltage variations may be noted due to normal produc tion tolerances ie Circled numbers refer to waveforms EIU 7 Signal path VOLTAGE VOO VOLTAGE Y VOL path RDS DECODER MUX gt s 2t i gt AM LW ANT ALIASING AM 00 FM osc ALTER eee MUTING 2 o pum 6 COMPARATOR nume RDS ARI clock ose Pu n DECODER 1187 5Hz e O Ln osc osc IN DEFFERENTIAL DRE LOW PASS FWAM PLL OE BAND SELECT P DEAE VOLTAGE GENERATOR FILTER 03 102 10 1 9 SWITCH 10104 02 3 5 07 2 w 888 x 2 6 LH 1 x OO 69 49 D 4 69 99 5 2 8 S E Eas SYSTEM CONTROLLER a LCD DRIVER KEY CONTROL 10101 8 H k Lo
27. display The current time appears in the display 2 Press CLOCK AUTO ADJUST This activates the CT function starts flash in the display When the current time is synchronized stops flashing and remains in the display rl To cancel the function press CLOCK AUTO ADJUST disappears in the display Notes unit does not receive CT data after 2 inutes NO CT appears in the display The function is then automatically cancelled The current time on your unit set through this mode will be as accurate as that of the reccived The function may not work in some areas or on certain frequencies In such a case Q does not come on in the Using Other Functions LIGHT Function To view the display in the dark 1 Press LIGHT The light on the unit comes on for 10 second When you operate your unit while the light is on the light stays on for longer than 10 seconds HOLD Function To prevent accidental operation of the unit 1 Press HOLD appears in the display to indicate all the function buttons are locked and inoperative To cancel the function press HOLD again om disappears in the display Precautions Do not open the unit Refer servicing to qualified personnel only Operate the unit using only the power sources given in Specifications For AC operation use the
28. ected transmits RDS data RDS lights up 2 Press TRAFFIC INFO for to light up along with RDS The unit is now on standby to receive traffic information When traffic information is received starts to flash and the unit switches over to the traffic information ma i FH gt pac St To stop the reception of traffic information and to return to your tuned in station press TRAFFIC INFO Notes If the tuned in station is not a traffic information station nor a station in an EON network a beep sounds Switching the band from FM to AM while is lit in the display causes qc to disappear does not come back on when the band is switched back to FM or if the unit is turned off and then on again When POWER is turned off traffic informa tion will not be received Enhanced Other Networks EON An EON network consists of a group of stations whereby listener who is tuned in to a participating station using RDS compatible radio can automatically receive RDS data transmitted by other stations in the network This unit is equipped to receive RDS traffic information provided by EON networks Setting the Clock Using the CT Function The CT function of the RDS enables the built in clock of the unit to automatically synchronize with CT data being transmitted 1 Switch STATION NAME to CLOCK when RDS is lit in the
29. formation such as station names and traffic information The availability of RDS data depends on your location Hence there may be areas where you cannot benefit from some of the following features RDS Features Automatic current time synchronization ADJUSTMENT Auto adjustment for daylight saving time CT Clock Time Automatic current time synchronization STATION For checking the name of NAME the tuned in station DISPLAY For locating a station when Zi e its frequency is not known PS Programme Service Displays station names in up to 8 letters TRAFFIC Search and standby modes INFORMA for receiving traffic TION information le Automatic switch from regular radio broadcast to traffic information provided by the EON network Regular broadcast resumes after the interception TA Traffic Announcement via EON Enhanced Other Networks Automatic selection and switch to traffic information ALTERNATIVE Automatic search and SEARCH switch to a frequency with a relatively stronger signal for a station broadcasting multiple frequencies AF Alternative Frequencies Automatic selection of a relatively stronger signal Other Features Quartz controlled PLL Phase Locked Loop synthesizer system using a microcomputer for easy pinpoint tuning Preset function for up to 10 stations in FM and 5 stations in AM LW Jog tuning and di
30. gital radio frequency display for quick and precise tuning Choosing the Power Source Installing the Batteries See Fig 1 Open the lid at the rear of the radio 2 Install two R6 size AA batteries not supplied with correct polarity 3 Close the lid Battery Life using Sony R6 AA batteries Band Approx hours FM 20 AM LW 35 Knowing When to Replace the Batteries When the batteries are weak the sound becomes weak and distorted When the batteries are completely exhausted the radio is inoperative and CG appears in the splay Replace the batteries with new ones Once 69 comes on in the display it remains even after new batteries are installed To remove GQ from the display press POWER Before replacing the batteries make sure the radio is turned off Replace the batteries within one minute Otherwise the clock setting and preset stations could be erased In this case set the clock and preset the stations again Note 4 When the unit is not being used for an extended period remove the batteries to avoid damage from battery leakage and corrosion Using House Current see Fig EJ Connect the AC power adaptor not supplied to the DC IN 3 V jack and plug it into a wall outlet Notes on the AC power adaptor When the AC power adaptor is not used sure to unplug it both from the DC IN 3 V jack and from the wall outlet Use only the
31. locates a better reception 2 1 982 If no alternative frequency is found NO AF appears in the display Note When a station that transmits RDS data is preset its AF data is recorded in Ihe memory of the unit Hence when the preset station is tuned and no RDS data is received the ALTERNATIVE SEARCH function automatically scans for RDS data among the other frequencies of the station through the AF data The display of the unit will show the rapidly changing frequencies during the search If a frequency with RDS data is detected the unit switches to that frequency If RDS data is not detected the unit reverts to the frequency initially tuned in z 1 980 RDS data ALTERNATIVE not SEARCH detected Display shows changing frequencies RDS data detected Receiving Traffic Information TRAFFIC INFO function searches and places the unit on a standby mode to receive traffic information facilitated by the EON network through detecting the TP Traffic Program and TA Traffic Announcement signals in the RDS data When traffic information is received the unit automatically switches from the regular radio broadcast of the tuned in station to the incoming traffic message After the message the unit switches back to the regular radio broadcast 1 Press BAND to select the FM band You can select either FM 1 or FM 2 If the station sel
32. r on then it changes to 69 to 80 LCDO to LCD11 O Segment drive signal output to the liquid crystal display LCD101 28 XX and X mean standardized parts so they may have some difference from the original one Color Indication of Appearance Parts Example SECTION 5 EXPLODED VIEW Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference num KNOB BALANCE WHITE T Parts Color Cabinet s Color RED 1 not supplie ber in the exploded views are not supplied Accessories and packing materi in the last of the electrical parts list 9 supplied Part No Description Remark No Description Remark 1 3 027 772 01 PANEL FRONT 15 3663 154 MAIN BOARD COMPLETE AEP UK 2 3 027 774 01 KNOB RDS 16 3 027 778 01 KNOB VOL 3 3 027 770 01 CABINET FRONT AEP UK 17 3 027 777 01 KNOB JOG 3 3 027 770 11 CABINET FRONT French 18 3 027 787 01 SPRING RING 4 3 923 688 01 STRAP HAND 19 3 027 780 01 ARM JOG 5 3683 020 KEY PC BOARD ASSY French 20 3 027 773 01 BUTTON RDS 5 3683 021 KEY PC BOARD ASSY UK 21 3 027 775 01 3 027 790 01 PLATE ANT CONTACT 22 3 027 776 01 BUTTON HOLD 7 3 370 475 01 SCREW NYLOCK 3X6 23 3 027 781 01 PLATE LIGHT GUIDE 8 3 380 9
33. rd PANEL Section Schematic Diagram IC Pin Function Description EXPLODED VIEW ELECTRICAL PARTS LIST SERVICING NOTES HOW TO CHANGED THE CERAMIC FILTERS This model is used two ceramic filters of CF2 and CF3 You must used same type of color marked ceramic filters in order to meet same specifications Therefore the ceramic filter must changed two pieces together since it s supply two pieces in one package as a spare parts Mark frequency CF2 red 10 70 MHz blue 10 67 MHz orange 10 73 MHz cra black 10 64 MHz white 1076 MHz Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat 1 GENERAL Earphone jack Q Prise de casque DCIN3V Sodo PRESET TUNNG olor COGO C R6 AA x2 To reattach the battery compartment cover Pour remettre en place le couvercl du logement de piles AC power ada Adaptateur d alimentation secteur ns This section is extracted from instruction manual Features What is RDS The Radio Data System RDS is a digital information system developed for radio by the European Broadcasting Union EBU and was introduced in 1987 Using the 57 kHz sub carrier for FM broadcasting RDS enables you to receive variety of in
34. rd until you locate the frequency of your desired station When you turn TUNE TIME SET to or v the frequency readout in the display increases or decreases respectively Turning it to or causes the readout to rapidly increase or decrease respectively To tum off the radio press POWER The display shows the current time even when the radio is turned off To improve radio reception FM Extend the telescopic antenna AM LW Rotate the unit horizontally for optimum reception A ferrite bar antenna is built in the unit When you tune in to an FM station the display may change from the frequency readout to the name of the station This happens particularly for FM stations that carry RDS data in their frequencies See Displaying the Station Name Changing the Display Mode You can change the display mode by setting the STATION NAME switch to either CLOCK or STATION STATION NAME switch set to CLOCK When you turn on the power the display shows the tuned in frequency for a few seconds and then switches to the current time while the radio is on To check the radio frequency or station name switch STATION NAME to STATION You can tune in to a station by turning TUNE TIME SET to the desired frequency The display shows the frequency for a few seconds before reverting to the current time When the unit is receiving RDS traffic nformation Receiving Traffic Informa tion the display shows
35. tude n AS KH modulation by OG earphone jack 400 Hz signal Output level as low as possible Repeat the procedures in h adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors Remove FM antenna in FM adjustments digital voltmeter MAIN board VT e Adjustment Location Main Board See age 10 AEP UK models Adjustment Location L2 AM LW Tracking Adjustment Mounted on chassis L4 FM VCO Voltage Adjustment 4 CT2 MAIN BOARD Component Side FM Tracking Adjustment FM 155 ANTENNA Cc T1 AM IF Adjustment L5 AM LW VCO Voltage Adjustment AM LW Tracking Adjustment MAIN BOARD Conductor Side c TP VT O IC1 10 4 ICF M33RDS DIAGRAMS
36. ut from the RDS decoder IC3 44 DTA RDS 1 Serial data input from the RDS decoder IC3 45 SD I Station detector detect input from the CXA1019M ICI Stop level for SEEK BTM etc is determined SD is present at input of L 46 BUZZER O Beep sound drive signal output to the CXA1019M IC1 47 DTA PLL Serial data output to the FM AM PLL IC2 48 LAT PLL Serial data latch pulse signal output to the PLL IC2 49 CLK PLL Serial data transfer clock signal output to the FM AM PLL 2 50 LAT RX Latch signal output for the receive level control Not used open 51 HALT is output at halt mode Not used open 52 KEYTEST L is output at test mode 53 MUTE O Muting on off control signal output terminal muting on 54 VDD Power supply terminal 43V 55 XTI I Main system clock input terminal 4 332 MHz 56 XT2 Main system clock output terminal 4 332 MHz 57 Connected to power supply 43V 58 XI I Sub system clock input terminal 32 768 kHz 59 2 Sub system clock output terminal 32 768 KHz 60 SFT CLK Alert signal output for the shift clock circuit L off Not used open 61 PS MODE I Station name switch S101 input terminal L station clock 621067 KRO to KR5 I Key return signal input of the key matrix S102 to 117 e SET System reset signal input from the reset signal generator IC103 L reset L is input for several 100 msec after powe
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