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Sony XR-4740RDS, Service Manual

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Sony XR-4740RDS Service Manual Download Page 41

SERVICE MANUAL

XR-4740RDS/C430RDS/C440RDS

SUPPLEMENT-1

File this supplement with the service manual.

Subject: MAIN Board Modification

(SPM-01012)

AEP Model

UK Model

In this set, following board has been changed in the midway of production.

1.

NEW/FORMER  TYPE  DISCRIMINATION

– MAIN Board (Component Side) –

Former Type : 1-663-959-11 to -13
New Type

: 1-663-959-14

Ver 1.1  2001.06

Summary of Contents for XR-4740RDS

Page 1: ...ernal antenna connector Intermediate frequency 10 71 MHz 450 kHz Sensitivity MW 30 µV LM 50 µV Power amplifier section Outputs Speaker outputs sure seal connectors Speaker impedance 4 8 ohms Maximum power output 35 W 4 at 4 ohms General Outputs XR C430RDS C440RDS Power amplifier control lead Rear line out 1 Tone controls Bass 8 dB at 100 Hz Treble 8 dB at 10 kHz Power requirements 12 V DC car batt...

Page 2: ...hematic Diagram Main Section 25 6 3 Printed Wiring Board Key Section 30 6 4 Schematic Diagram Key Section 32 6 5 IC Pin Description 35 7 EXPLODED VIEWS 37 8 ELECTRICAL PARTS LIST 40 SERVICING NOTES Flexible Circuit Board Repairing Keep the temperature the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be carefu...

Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 4: ... 4 ...

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Page 9: ...he disassembly procedure in the numerical order given FRONT PANEL ASS Y SECTION 2 DISASSEMBLY 1 Push the button release A 2 Remove the front panel ass y to the direction of the arrow A COVER ASS Y 2 1 3 cover ass y 1 2 ...

Page 10: ...hanism deck MG 25B 136 4 flexible flat cable CN301 1 three screws PTT2 6 8 1 three screws PTT2 6 8 MAIN BOARD HEAT SINK 2 sub panel 3 connector CN302 2 two ground point screws 4 seven screws PTT2 6 8 1 two screws PTT2 6 8 3 main board 5 heat sink 1 screw PTT2 6 8 ...

Page 11: ... bending the claw A part B part C part D part 8 Hold the hanger by bending the claw 3 Put the housing under A part 4 Fit claw on B part 6 Fit projection on D part 5 Fit projection on C part hanger HOUSING 2 Move the arm suction in the arrow direction and fit on projection 1 Fit the arm suction on the shaft projection ARM SUCTION SECTION 3 ASSEMBLY OF MECHANISM DECK housing ...

Page 12: ... GEAR LDG FT 3 Align hole in the gear LDG D with hole in the lever LDG A 1 tension spring lever LDG 4 gear LDG FT 5 polyethylene washer shaft B 2 Move the lever LDG B in the arrow direction gear LDG D hole hole lever LDG A gear LDG FB 3 Fit the lever LDG B on shafts A and C and install it 2 Pull the lever in the arrow direction ...

Page 13: ... 13 GUIDE C 2 guide C 1 three claws ...

Page 14: ...on Measurement SECTION 5 ELECTRICAL ADJUSTMENTS TEST MODE This set have the test mode function In the test mode FM Auto Scan Stop Level and AM MW Auto Scan Stop Level adjustments can be performed easier than it in ordinary procedure Set the Test Mode 1 Set the power select switch S801 is A position 2 Turn ON the regulated power supply All LEDs on the set lights up and the clock is displayed Note P...

Page 15: ...t Location See page 17 FM Stereo Separation Adjustment Setting SOURCE button FM Procedure FM Stereo Level meter Level meter signal generator connection reading dB output channel L CH L CH A B R CH L CH Adjust RV4 on TU1 for minimum reading R CH R CH C D L CH R CH Adjust RV4 on TU1 for minimum reading L CH Stereo separation A B R CH Stereo separation C D The separations of both channels should be e...

Page 16: ... on MAIN BOARD so that the display indication is 160 Display Procedure 1 Set to the test mode See page 14 2 Push the SOURCE button and set to FM Display Specification Display indication 158 to 162 Adjustment Location See page 17 MW RF signal generator Carrier frequency 999 kHz 30 amplitude modulation by 1 kHz signal Output level 33 dB 44 7 µV 50 Ω set MW dummy antenna 30 Ω 15 pF 65 pF antenna jack...

Page 17: ...tion SET UPPER VIEW Tape Speed Adjustment TU1 RV1 MW Auto Scan Stop level Adjustment RV2 FM Auto Scan Stop level Adjustment RV3 FM Noise Focus Adjustment RV4 FM Stereo separation Adjustment RV1 FM Signal Meter Adjustment ...

Page 18: ...ERENCE COUNTER PHASE COMPARATOR 20BIT IF COUNTER 2 MODULAS PRESCALER 12BIT PROGRAMABLE COUNTER AMP AMP AMP RIPPLE FILTER 18BIT 18BIT 22BIT 40BIT SHIFT RESISTER REF VCC SIG SEEK RECP 4BIT SWALLOW COUNTER PSC N DATA IC3 TDA7330BD 013TR COSTAS LOOP PLL 57kHz PHASE DECODER DIFF DECODER CLOCK RECOVERY PLL 1 4675kHz ON OFF OSCILLATOR fx DIVIDER TEST LOGIC 8th ORDER SC BANDPASS FILTER 2nd ORDER ANTIALIAS...

Page 19: ...UT LS3 LS2 LS1 LSIN LTOUT LT3 LT2 LT1 LCOM LVRIN IC351 CXA2509AQ T4 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 26 27 28 29 30 31 32 33 34 37 38 39 40 24 25 PBFB1 PBRIN1 PBREF1 PBFIN1 35 36 PBGND VCT PBFIN2 PBREF2 PBRIN2 PBFB2 PBEQ1 PBOUT1 VCC TAPEIN1 AUXIN1 MSLPF LINEOUT1 NC NC G2FB G1FB MSTC DGND MSOUT NC NC INSW TAPESW MSMODE DRSW MSSW NC NC LINEOUT2 DIREF AUXIN2 TAPEIN2 PBEQ2 P...

Page 20: ...01 BA3918 V2 OVER VOLTAGE PROTECT REGULATOR 1 2 3 4 5 6 7 8 9 10 12 11 NC MODE2 MODE1 STB VDD AMP VCC ANT COM AM FM GND IC701 BA8270F E2 1 2 3 4 5 6 7 8 9 10 14 13 12 11 BUS ON SWITCH RESET SWITCH BATTERY SWITCH BUS ON RST BATT CLK VREF DATA GND VCC RST BUS ON CLK IN BU IN DATA IN DATA OUT ...

Page 21: ... 21 Waveforms 1 IC1 XI 2 IC3 º XI 752 mVp p 138 nsec 2 68 Vp p 230 nsec 3 IC501 8 X_IN 4 IC501 XT_IN 3 08 Vp p 124 nsec 2 2 Vp p 30 4 µsec ...

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Page 23: ......

Page 24: ......

Page 25: ...9 VOLCKO O Clock output pin to electrical volume 20 VOLCE O Chip enable output pin to electrical volume 21 TAPEMUT O Tape muting control pin At muting H 22 LMLOD O Loading motor control pin loadig direction 23 LMEJ O Loading motor control pin eject direction 24 AMSON O At AMS L 25 N_ROUT O Forward reverse control pin 26 AMSIN I Tape music with without detection pin L with music 27 PLLSO O PLL data...

Page 26: ...in A D input 58 AVREF A D reference voltage input pin connected to GND in this set 59 AVSS GND 60 GND GND 61 BUSON O BUS ON control signai output pin for SONY BUS C430RDS C440RDS only 62 SYSRST O System reset signal output pin for SONY BUS C430RDS C440RDS only 63 SEKOUT O SEEK control signal output pin 64 TUNON O Tuner power supply control pin 65 FM_ON O FM power supply control pin 66 MUT O System...

Page 27: ... German 6 A 3309 880 A MAIN BOARD COMPLETE C430RDS AEP UK 6 A 3309 884 A MAIN BOARD COMPLETE C430RDS German 7 3 915 923 01 SCREW GROUND POINT 8 X 3373 269 1 COVER ASSY ISO Ref No Part No Description Remark 9 1 777 989 21 CORD WITH CONNECTOR AMP REM C430RDS C440RDS 10 3 009 307 01 BRACKET IC 11 3 009 293 01 HEAT SINK C430RDS C440RDS 11 3 010 471 01 HEAT SINK 4740RDS 12 9 911 840 XX CUSHION U 13 3 0...

Page 28: ... DISC 4740RDS 61 3 010 375 01 SHEET REFLECTOR 62 3 010 393 01 PLATE LCD LIGHT GUIDE 63 3 010 394 01 HOLDER LCD 64 3 010 382 01 PANEL FRONT BACK LCD901 1 801 587 11 DISPLAY PANEL LIQUID CRYSTAL 51 3 010 396 01 KNOB D BASS 53 3 010 398 01 BUTTON RELEASE 54 3 010 395 01 SPRING RELEASE 55 X 3373 671 1 PANEL SUB ASSY C440RDS 55 X 3373 672 1 PANEL SUB ASSY C430RDS 55 X 3373 673 1 PANEL SUB ASSY 4740RDS ...

Page 29: ...ER LDG B 205 3 008 890 01 SPRING LEVER LDG TENSION 206 3 933 335 01 GEAR LDG FT 207 3 341 753 11 WASHER POLYETHYLENE 208 3 008 861 01 HOUSING 209 3 008 882 01 ARM SUCTION 210 3 008 860 01 HANGER 211 3 008 874 02 CATCHER 212 3 933 344 01 GUIDE C 213 3 927 100 01 SCREW PS 2X10 SPECIAL 214 3 364 151 01 WASHER 215 A 3291 919 A CHASSIS ASSY A 216 3 928 675 01 BELT 52 217 3 936 853 01 FLYWHEEL F HP901 1...

Page 30: ...Y LCD901 1 801 587 11 DISPLAY PANEL LIQUID CRYSTAL SWITCH LSW901 1 762 617 11 SWITCH KEY BOARD WITH LED OFF 4740RDS AMB C430RDS LSW901 1 762 619 11 SWITCH KEY BOARD WITH LED OFF 4740RDS GRN LSW901 1 762 620 11 SWITCH KEY BOARD WITH LED OFF C440RDS LSW902 1 762 617 11 SWITCH KEY BOARD WITH LED SOURCE 4740RDS TYPE1 UK G TYPE2 AMB C430RDS LSW902 1 762 619 11 SWITCH KEY BOARD WITH LED SOURCE 4740RDS T...

Page 31: ...IP 6 C440RDS LSW926 1 762 617 11 SWITCH KEY BOARD WITH LED ATA 5 4740RDS AMB C430RDS LSW926 1 762 619 11 SWITCH KEY BOARD WITH LED ATA 5 4740RDS GRN LSW926 1 762 620 11 SWITCH KEY BOARD WITH LED ATA 5 C440RDS LSW927 1 762 617 11 SWITCH KEY BOARD WITH LED 4 4740RDS AMB C430RDS LSW927 1 762 619 11 SWITCH KEY BOARD WITH LED 4 4740RDS GRN LSW927 1 762 620 11 SWITCH KEY BOARD WITH LED 4 C440RDS LSW928 ...

Page 32: ...2 1 216 045 00 METAL CHIP 680 5 1 10W R903 1 216 045 00 METAL CHIP 680 5 1 10W R904 1 216 049 00 METAL GLAZE 1K 5 1 10W R905 1 216 053 00 METAL CHIP 1 5K 5 1 10W R906 1 216 053 00 METAL CHIP 1 5K 5 1 10W R907 1 216 057 00 METAL CHIP 2 2K 5 1 10W R908 1 216 061 00 METAL CHIP 3 3K 5 1 10W R909 1 216 065 00 METAL CHIP 4 7K 5 1 10W R910 1 216 069 00 METAL CHIP 6 8K 5 1 10W R921 1 216 045 00 METAL CHIP...

Page 33: ...6 157 11 ELECT 10uF 20 16V C120 1 126 157 11 ELECT 10uF 20 16V C121 1 126 157 11 ELECT 10uF 20 16V C122 1 163 251 11 CERAMIC CHIP 100PF 5 50V C430RDS C440RDS C123 1 163 251 11 CERAMIC CHIP 100PF 5 50V C430RDS C440RDS C124 1 126 096 11 ELECT 10uF 20 35V C430RDS C440RDS C151 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C152 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C153 1 163 037 11 CERAMIC CHIP 0 022uF 1...

Page 34: ...RAMIC CHIP 0 1uF 10 25V C430RDS C440RDS CONNECTOR CN351 1 766 260 11 CONNECTOR FFC FPC ZIF 7P CN352 1 506 995 11 PIN CONNECTOR PC BOARD 13P CN602 1 764 422 11 PLUG CONNECTOR 12P CN701 1 580 907 31 PLUG CONNECTOR 8P BUS CONTROL IN C430RDS C440RDS JACK CNJ150 1 774 699 12 JACK PIN 4P LINE OUT BUS AUDIO IN C430RDS C440RDS SPARK GAP CAPACITOR CP1 1 517 422 11 GAP DISCHARGE DIODE D2 8 719 991 65 DIODE ...

Page 35: ...296 00 CONDUCTOR CHIP 3216 JC53 1 216 296 00 CONDUCTOR CHIP 3216 JC54 1 216 296 00 CONDUCTOR CHIP 3216 JC55 1 216 296 00 CONDUCTOR CHIP 3216 JC56 1 216 296 00 CONDUCTOR CHIP 3216 JC57 1 216 296 00 CONDUCTOR CHIP 3216 C430RDS C440RDS JC58 1 216 296 00 CONDUCTOR CHIP 3216 JC59 1 216 296 00 CONDUCTOR CHIP 3216 JC60 1 216 296 00 CONDUCTOR CHIP 3216 JC62 1 216 296 00 CONDUCTOR CHIP 3216 JC63 1 216 296 ...

Page 36: ... 00 METAL CHIP 15K 5 1 10W R212 1 216 129 00 METAL CHIP 2 2M 5 1 10W R213 1 216 129 00 METAL CHIP 2 2M 5 1 10W R218 1 216 061 00 METAL CHIP 3 3K 5 1 10W C430RDS C440RDS R219 1 216 073 00 METAL CHIP 10K 5 1 10W C430RDS C440RDS R303 1 216 077 00 METAL CHIP 15K 5 1 10W R305 1 216 109 00 METAL CHIP 330K 5 1 10W R306 1 216 190 00 METAL GLAZE 470 5 1 8W R307 1 216 057 00 METAL CHIP 2 2K 5 1 10W R308 1 2...

Page 37: ...00 METAL CHIP 10K 5 1 10W R608 1 216 097 00 METAL GLAZE 100K 5 1 10W R609 1 216 037 00 METAL CHIP 330 5 1 10W R610 1 216 073 00 METAL CHIP 10K 5 1 10W R612 1 216 025 00 METAL GLAZE 100 5 1 10W R613 1 216 025 00 METAL GLAZE 100 5 1 10W R614 1 208 806 11 METAL GLAZE 10K 0 5 1 10W R615 1 208 806 11 METAL GLAZE 10K 0 5 1 10W R616 1 216 295 00 CONDUCTOR CHIP 2012 R617 1 216 025 00 METAL GLAZE 100 5 1 1...

Page 38: ...9 1 777 989 21 CORD WITH CONNECTOR AMP REM C430RDS C440RDS 16 1 782 092 11 CORD WITH CONNECTOR POWER 17 1 782 093 11 CORD WITH CONNECTOR SPEAKER F901 1 532 877 11 FUSE BLADE TYPE AUTO FUSE 10A HP901 1 500 196 21 HEAD MAGNETIC PLAYBACK M901 A 3291 665 A MOTOR ASSY MAIN CAPSTAN REEL ACCESSORIES PACKING MATERIALS 1 473 067 31 REMOTE COMMANDER RM X2S C440RDS 3 859 483 11 MANUAL INSTRUCTION ENGLISH SPA...

Page 39: ...RTS FOR INSTALLATION AND CONNECTIONS 501 3 916 161 31 FRAME ASSY 502 X 3370 077 1 SCREW ASSY AE KEY FITTING 503 3 386 828 01 SCREW FITTING 504 3 349 410 01 BUSHING 505 3 388 078 01 KEY 506 1 777 989 21 CORD WITH CONNECTOR AMP REM C430RDS C440RDS 507 1 782 093 11 CORD WITH CONNECTOR SPEAKER 508 1 782 092 11 CORD WITH CONNECTOR POWER 509 1 775 543 11 CORD GROUND C430RDS C440RDS 510 X 3369 817 1 BRAC...

Page 40: ... 50 MEMO ...

Page 41: ... the service manual Subject MAIN Board Modification SPM 01012 AEP Model UK Model In this set following board has been changed in the midway of production 1 NEW FORMER TYPE DISCRIMINATION MAIN Board Component Side Former Type 1 663 959 11 to 13 New Type 1 663 959 14 Ver 1 1 2001 06 ...

Page 42: ...ted except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified f internal component C panel designation A B Line Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltages are dc with respect to ground under no signal detuned conditions no mark FM MW LW TAPE PLAYBACK Voltages are taken with a VOM Input impedance...

Page 43: ...23 R104 R105 R108 R109 R110 R111 R112 R113 Q102 Q103 Q202 Q203 R204 R205 R208 R209 R210 R211 R212 R213 R582 R583 D583 D584 Q581 R584 R585 C584 IC1 C20 C21 C16 D601 C402 C403 C302 C303 IC701 C615 D606 JC5 JC7 JC8 JC9 JC10 JC11 JC14 JC15 JC16 JC17 JC18 JC20 JC21 JC22 JC23 JC24 JC27 JC28 JC29 JC30 JC31 JC32 JC33 JC34 JC35 JC50 JC51 JC52 JC53 JC55 JC56 JC57 JC58 C430RDS C440RDS C430RDS C440RDS C430RDS...

Page 44: ...MA8100 L 0 1 50V 0 01 1 50V LC75373ED 0 022 0 022 4 7k 4 7k 4 7k 0 47 10 16V DTC314TK 10 16V 470 470 10 16V 470 10 16V DTC314TK 15k 15k DTC314TK DTC314TK 15k 15k 15k 2 2M 2 2M 2 2M 47p 100k 2 2M 15k 47 16V 2 2 50V MA8062 M 1k 0 1 5 1 5 1 5 1 5 MA8120 M 330 MA8180 M MA8240 100p CH MA8075 M 0 01 100 100 100k MA8062 M MA8062 M 3300 16V 12P MA8039 XN1A312 0 0 MA111 0 MA8039 47k 2SD2137 OP XN1A312 0 22...

Page 45: ...7 50V 100p 100 10V 1000p 1k 1k 1k 10k 0 1 50V 2200p 2SD1802FAST CAPSTAN REEL 330k 0 1 8MHz 1k 32 768kHz 7P 18k 0 0 330k 0 0 100k 0 0 0 1k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 0 CXA2509AQ 470 470 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 ON1 ON4 CPU1 CPU2 CPU3 MODE1 MD8 MD7 MD6 MD8 RDS1 CPU4 CPU6 CPU7 ON3 PLL1 M...

Page 46: ...k DTA114EKA DTA114EKA BA3918 V2 MA8180 M MA8056 M 22 16V 2SD1802FAST 2 2k 0 100k 0 1 MA8062 M MA8062 M BA8270F 0 1 47 DTC114EKA 100 47 16V 0 0 0 0 470k XN1A312 10k DTZ7 5C 1SR139 B1 B2 B3 B4 B5 B6 B7 B8 B10 B11 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 B12 B13 ON3 MODE1 MODE2 CPU3 CPU4 CPU1 CPU2 UNICLK UNISI UNISO BUSON RESET CPU6 REGULATOR BUS INTERFACE FOR SONY BUS RESET SIGNAL GENERATOR B ...

Page 47: ...60 11 ELECT 1uF 20 50V C103 1 126 160 11 ELECT 1uF 20 50V C111 1 126 160 11 ELECT 1uF 20 50V C112 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C113 1 126 160 11 ELECT 1uF 20 50V C114 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C115 1 164 492 11 CERAMIC CHIP 0 15uF 10 16V C116 1 164 492 11 CERAMIC CHIP 0 15uF 10 16V C118 1 124 233 11 ELECT 10uF 20 16V C119 1 124 233 11 ELECT 10uF 20 16V C120 1 124 233 11...

Page 48: ... 124 589 11 ELECT 47uF 20 16V C610 1 124 234 00 ELECT 22uF 20 16V C612 1 109 982 11 CERAMIC CHIP 1uF 10 10V C614 1 163 251 11 CERAMIC CHIP 100PF 5 50V C615 1 163 251 11 CERAMIC CHIP 100PF 5 50V C430RDS C440RDS C617 1 124 233 11 ELECT 10uF 20 16V C618 1 163 021 11 CERAMIC CHIP 0 01uF 50V C650 1 126 936 11 ELECT 3300uF 20 16V C701 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V 4740RDS C701 1 163 037 11 CE...

Page 49: ... JC52 1 216 296 00 CONDUCTOR CHIP JC53 1 216 296 00 CONDUCTOR CHIP JC54 1 216 296 00 CONDUCTOR CHIP JC55 1 216 296 00 CONDUCTOR CHIP JC56 1 216 296 00 CONDUCTOR CHIP JC57 1 216 296 00 CONDUCTOR CHIP C430RDS C440RDS JC58 1 216 296 00 CONDUCTOR CHIP JC59 1 216 296 00 CONDUCTOR CHIP JC60 1 216 296 00 CONDUCTOR CHIP JC62 1 216 296 00 CONDUCTOR CHIP JC63 1 216 296 00 CONDUCTOR CHIP JC65 1 216 296 00 CO...

Page 50: ...20K 5 1 10W R353 1 216 065 00 METAL CHIP 4 7K 5 1 10W R354 1 216 077 00 METAL CHIP 15K 5 1 10W R355 1 216 009 00 METAL CHIP 22 5 1 10W R361 1 216 049 00 METAL CHIP 1K 5 1 10W R362 1 249 389 11 CARBON 4 7 5 1 4W R363 1 249 389 11 CARBON 4 7 5 1 4W R364 1 216 073 00 METAL CHIP 10K 5 1 10W R365 1 216 065 00 METAL CHIP 4 7K 5 1 10W R403 1 216 077 00 METAL CHIP 15K 5 1 10W R405 1 216 109 00 METAL CHIP ...

Page 51: ...UCTOR CHIP R617 1 216 025 00 METAL CHIP 100 5 1 10W R618 1 208 806 11 METAL CHIP 10K 0 5 1 10W R619 1 208 806 11 METAL CHIP 10K 0 5 1 10W R620 1 216 025 00 METAL CHIP 100 5 1 10W R621 1 216 025 00 METAL CHIP 100 5 1 10W R624 1 249 383 11 CARBON 1 5 5 1 6W R625 1 249 383 11 CARBON 1 5 5 1 6W R626 1 249 383 11 CARBON 1 5 5 1 6W R627 1 249 383 11 CARBON 1 5 5 1 6W R701 1 216 073 00 METAL CHIP 10K 5 1...

Page 52: ...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 1 1 2001 06 MAIN board modification SPM 01012 1 0 1997 02 New ...

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