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Sony XR-5W497RB Service Manual

Fm/am cassette car stereo
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Summary of Contents for Sony XR-5W497RB

  • Page 1 GAMMA V MODEL SERVICE MANUAL...
  • Page 2 XR-5W497RB SERVICE MANUAL AEP Model Dolby noise reduction manufactured under license from Dolby Labo- ratories Licensing Corporation. “DOLBY” and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation. Notes on Chip Component Replacement • Never reuse a disconnected chip component.

  • Page 3: Table Of Contents

    1-1. Cover (Upper) ..............3 1-2. Front Panel Assy ..............3 1-3. Mechanism Deck Block ............. 4 Method of Releasing the Security of the XR-5W497RB 1-4. Cover (Lower) ..............4 1. Turn on the power from the power cord. 1-5. Heat Sink ................5 2.

  • Page 4: Disassembly

    SECTION 1 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 1-1. COVER (UPPER) 1 PTT 2.6X6 3 claw 6 cover (upper) 5 claws 2 claw 4 claw 1-2. FRONT PANEL ASSY 3 claws 1 screw (2x4.5) 4 claws 5 connector 6 front panel assy...

  • Page 5: Mechanism Deck Block

    1-3. MECHANISM DECK BLOCK 1 PTT 2.6X6 2 PTT 2.6X6 5 mechanism deck block 4 connector 3 connector 1-4. COVER (LOWER) 2 claw 6 cover (lower) 1 PTT 2.6X6 3 claw 7 insulating sheet 5 claws 4 claw – 4 –...

  • Page 6: Heat Sink

    1-5. HEAT SINK 4 heat sink 2 PTT 2.6X6 3 PTT 2.6X6 1 PTT 2.6X6 1-6. MAIN BOARD 4 ground point screws 5 MAIN board 3 ground point screw 2 PTT 2.6X6 1 PTT 2.6X6 – 5 –...

  • Page 7: Diagrams

    SECTION 2 DIAGRAMS 2-1. IC PIN DESCRIPTIONS • IC801 µPC78074 (SYSTEM CONTROL) Pin No. Pin Name Pin Description KEY-REQ Key request input (L: Key request) 2 – 4 — Not used in this set. LCD-ON LCD control output (H: LCD display ON) LCD1-CE LCD chip enable output (L: Chip enable ON) LCD1-DATA...
  • Page 8 Pin No. Pin Name Pin Description EV-DATA-F Electric volume data output (Front) VOL-CE Electric volume chip enable output AUDIO-MUTE Audio mute output (H: ON, L: OFF) ANT-AMP1 (OPEN) Antenna diagnose input 1 (Open detect) ANT-AMP2 (SHORT) Antenna diagnose input 2 (Short detect) SP (FRONT)-OPEN Front speaker open detect input (H: Open, L: Load) (Not used in this set.) SP (FRONT)-CLIP...
  • Page 9 • IC201 MN1886426 (SUB SYSTEM CONTROL) Pin No. Pin Name Pin Description TIM read output (L: Read request) — — Not used in this set. TIM D3 (Status NAR) TIM D2 (Status VPM) TIM D1 (Status RPM) TIM D0 (Status BSY) —...
  • Page 10 Pin No. Pin Name Pin Description MULTI-PATH Multi-path sense input (AD) AM-S.METER AM S-meter input (AD) FM-S.METER FM S-meter input (AD) VREF– — Analog reference voltage – AVSS — Analog ground — Ground RDS-CE RDS chip enable output RDS-CLK RDS clock output RDS-DATA-OUT RDS data output RDS-SYR...
  • Page 11 – 10 –...

  • Page 12: Block Diagram - Tape Section

    XR-5W497RB 3-2. BLOCK DIAGRAM — TAPE SECTION — TUNER TAPE L SECTION SUB SYSTEM CONTROL EQ AMP/DOLBY NR IC201 (2/2) IC401 OSC 1 70U/120U X201 METAL 8MHz ON/OFF DOLBY OSC 2 DOLBY R-CH X202 AUTO 32.768kHz MUSIC SENSOR MS-GV AMS GAIN...

  • Page 13: Block Diagram - Tuner Section

    XR-5W497RB 2-3. BLOCK DIAGRAM — TUNER SECTION — ISO701 (1/5) S-REMOTE REMOTE IC561 Q705 CDC-L R-CH CDC-R TEL (+) TAPE TAPE L TEL (–) VDD B SECTION 5V REG BATT VDD A IC521 Q803 SOURCE SELECT IC531 TUNER UNIT TU101...

  • Page 14: Block Diagram - Dsp Section

    XR-5W497RB 2-4. BLOCK DIAGRAM — DSP SECTION — AUDIO DSP ELECTRONIC VOLUME POWER AMP IC603 IC605 IC901 ISO701 (4/5) LINE FL (+) AUDIO L TUNER IC604 FL (–) IC602 IC721 Q711 SECTION DRDY Q973 8 7 9 MODE FR (+) R-CH FR (–)
  • Page 23 • IC Block Diagrams IC141 HA12181FP 10 9 IF AGC PULSE NOISE DETECTOR HPF1 DETECT PULSE GATE PULSE DETECTOR REFERENCE GENERATOR CURRENT CIRCUIT PULSE DETECT GATE PULSE 1 GATE PULSE 2 HIGH PASS AMP PHASE BUFFER (WAVEFORM COMP.) CURRENT REFERENCE REFERENCE VOLTAGE LEVEL...
  • Page 24 IC121 LC72146M XOUT REFERENCE 24 XIN DIVIDER 23 VSS 22 AOUT SWALLOW COUNTER 1/16,1/17 4BITS 21 AIN WIDNARW 20 PD0 MONO STE 12BITS PROGRAMMABLE PHASE DETECTOR 19 PD1 DATA SHIFT DIVIDER CHARGE PGMP DX.LO REGISTER LATCH 18 VSS AM.ON FM.ON 17 FM.OSC 16 AM.OSC POWER ON...
  • Page 25 IC241 S-24C04AFJA DOUT DATA OUTPUT ACKNOWLEDGE OUTPUT CONTROL CIRCUIT SELECTOR DECODER EEPROM ADDRESS COUNTER LOAD DATA REGISTER COMP DEVICE ADDRESS COMPARATOR LOAD SERIAL HIGH VOLTAGE CLOCK CONTROL GENERATOR CIRCUIT START/STOP DETECTION CIRCUIT TEST IC301 MSM6688GS-2K TIMING DATA CONTROLLER MCU I/F REGISTER SADX CONTROLLER...
  • Page 26 IC302 MSM6684JSDR1 IC605, 607 CXA1846N 20 19 13 12 11 TEST TIMING REFRESH TIMER RS/A RWCK GENERATOR – 8dB STEP 1dB STEP RFSH VOLUME VOLUME TEST TEST REFRESH ADDRESS 8,388,608DATA COUNTER REGISTER TEST LATCH BUFFER TEST LATCH ROW ADDRESS CONTROL COLUMN DECODER COUNTER ROW ADDRESS...
  • Page 27 IC603 AK7712A 75 74 73 72 71 70 69 68 67 63 62 61 60 59 58 57 56 55 54 53 52 51 DVDD DZF2 76 DVSS DXF1 77 NC 78 AVB 79 SDOUT3 A-OUT-R2 AOUTR SDATA AOUTL LRCK A-OUT-L2 BCLK NC 82...

  • Page 28: Exploded Views

    SECTION 3 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so • Accessories and packing materials and number in the e xploded vie ws are not supplied. the y ma y ha ve some diff erence fr om the hardware (# mark) list are given in •...

  • Page 29: Front Panel Section

    3-2. FRONT PANEL SECTION F701 IC811 IC901 IC902 TU101 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51 3-014-877-01 COVER (UPPER) * 62 3-020-187-01 BRACKET (IC 2) * 52 3-020-188-01 SHEET (2), INSULATING * 63 3-014-880-01 BRACKET (IC) * 53 3-014-879-01 HEAT SINK...

  • Page 30: Electrical Parts List

    SECTION 4 CONNECTOR ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stoc ked since When indicating parts by reference the par ts list ma y be diff erent fr om the the y are seldom required f or r outine ser vice .
  • Page 31 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C606 1-164-004-11 CERAMIC CHIP 0.1uF IC602 8-759-331-71 IC NJM4558E(TE2) C607 1-164-004-11 CERAMIC CHIP 0.1uF IC603 8-759-462-52 IC AK7712A C608 1-164-004-11 CERAMIC CHIP 0.1uF IC604 8-759-331-71 IC NJM4558E(TE2) C609 1-124-779-00 ELECT CHIP 10uF IC605...
  • Page 32 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R680 1-216-298-00 METAL CHIP 1/10W 8-719-067-45 LED TLRE1002(TPX1.SONY) R691 1-216-821-11 METAL CHIP 1/16W 8-719-067-45 LED TLRE1002(TPX1.SONY) R692 1-216-821-11 METAL CHIP 1/16W 8-719-067-45 LED TLRE1002(TPX1.SONY) R693 1-216-821-11 METAL CHIP 1/16W 8-719-067-45 LED TLRE1002(TPX1.SONY)
  • Page 33 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-065-00 RES,CHIP 4.7K 1/10W 1-762-400-11 SWITCH (‚) 1-216-065-00 RES,CHIP 4.7K 1/10W 1-762-400-11 SWITCH (SFL) 1-216-065-00 RES,CHIP 4.7K 1/10W 1-762-400-11 SWITCH (ª) 1-216-295-00 SHORT 1-762-400-11 SWITCH (·) 1-216-097-00 RES,CHIP 100K 1/10W 1-762-400-11 SWITCH (CC)
  • Page 34 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C140 1-126-162-11 ELECT 3.3uF C304 1-163-017-00 CERAMIC CHIP 0.0047uF 5% C141 1-163-989-11 CERAMIC CHIP 0.033uF C311 1-164-344-11 CERAMIC CHIP 0.068uF C142 1-164-344-11 CERAMIC CHIP 0.068uF C312 1-107-823-11 CERAMIC CHIP 0.47uF C143 1-163-989-11 CERAMIC CHIP...
  • Page 35 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C581 1-164-004-11 CERAMIC CHIP 0.1uF C825 1-164-004-11 CERAMIC CHIP 0.1uF C582 1-163-017-00 CERAMIC CHIP 0.0047uF 5% C826 1-163-001-11 CERAMIC CHIP 220PF C583 1-163-017-00 CERAMIC CHIP 0.0047uF 5% C827 1-164-004-11 CERAMIC CHIP 0.1uF...
  • Page 36 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D401 8-719-975-40 DIODE RB411D IC521 8-759-331-71 IC NJM4558E(TE2) D451 8-719-158-15 DIODE RD5.6S-B IC531 8-759-009-06 IC MC14052BF D521 8-719-977-00 DIODE DTZ5.1C IC561 8-759-262-37 IC TA2050F(EL) D701 8-719-057-00 DIODE UDZ-TE-17-36B IC581 8-759-385-17 IC NJM4580E(TE2) D703...
  • Page 37 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q232 8-729-900-53 TRANSISTOR DTC114EK Q911 8-729-807-35 TRANSISTOR 2SB1123-T Q233 8-729-807-12 TRANSISTOR 2SD1802-S Q912 8-729-900-53 TRANSISTOR DTC114EK Q236 8-729-026-49 TRANSISTOR 2SA1037AK-T146-R Q921 8-729-230-49 TRANSISTOR 2SC2712-YG Q237 8-729-900-53 TRANSISTOR DTC114EK Q922 8-729-230-49 TRANSISTOR 2SC2712-YG Q251...
  • Page 38 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R151 1-216-049-11 RES,CHIP 1/10W R415 1-216-073-00 METAL CHIP 1/10W R161 1-216-065-00 RES,CHIP 4.7K 1/10W R416 1-216-073-00 METAL CHIP 1/10W R171 1-216-113-00 METAL CHIP 470K 1/10W R421 1-216-089-00 RES,CHIP 1/10W R172 1-216-121-00 RES,CHIP...
  • Page 39 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R588 1-216-057-00 METAL CHIP 2.2K 1/10W R789 1-216-105-00 RES,CHIP 220K 1/10W R701 1-216-049-11 RES,CHIP 1/10W R790 1-216-073-00 METAL CHIP 1/10W R704 1-216-049-11 RES,CHIP 1/10W R791 1-216-065-00 RES,CHIP 4.7K 1/10W R705...
  • Page 40 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R851 1-216-073-00 METAL CHIP 1/10W R936 1-216-057-00 METAL CHIP 2.2K 1/10W R852 1-216-206-00 RES,CHIP 2.2K 1/8W R937 1-216-057-00 METAL CHIP 2.2K 1/10W R854 1-216-073-00 METAL CHIP 1/10W R938 1-216-065-00 RES,CHIP 4.7K...
  • Page 41 XR-5W497RB MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VIBRATOR > < VIBRATOR > X120 1-767-858-11 VIBRATOR, CRYSTAL (7.2MHz) X301 1-767-305-21 VIBRATOR, CERAMIC (4.195MHz) X201 1-767-854-21 VIBRATOR, CRYSTAL (8MHz) ************************************************************* X202 1-579-886-21 VIBRATOR, CRYSTAL (32.768kHz) X210 1-767-853-21 VIBRATOR, CRYSTAL (4.332MHz)

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