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Sony XR-1800R Service Manual
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Sony XR-1800R Service Manual

Fm/mw/lw cassette car stereo
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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
www
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MICROFILM
http://www.xiaoyu163.com
x
ao
u163
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http://www.xiaoyu163.com
XR-1800R
2 9
8
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
FM/MW/LW CASSETTE CAR STEREO
co
.
9 4
2 8
AEP Model
UK Model
MG-36SZ9-32
0 5
8
2 9
9 4
2 8
m
9 9
XR-1800
9 9

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  • Page 1 XR-1800R 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model Model Name Using Similar Mechanism XR-1800 Tape Transport Mechanism Type MG-36SZ9-32 SPECIFICATIONS L 13942296513 FM/MW/LW CASSETTE CAR STEREO u163 MICROFILM http://www.xiaoyu163.com...

  • Page 2: Table Of Contents

    http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270 ˚C dur- ing repairing. GENERAL • Do not touch the soldering iron on the same conductor of the Button Locations .............
  • Page 3 http://www.xiaoyu163.com SECTION 1 This section is extracted from instruction manual. GENERAL 3 7 63 1515 0 L 13942296513 u163 – 3 – http://www.xiaoyu163.com...
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 – 4 – http://www.xiaoyu163.com...
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 – 5 – http://www.xiaoyu163.com...
  • Page 6 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 – 6 – http://www.xiaoyu163.com...
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 – 7 – http://www.xiaoyu163.com...

  • Page 8: Disassembly

    http://www.xiaoyu163.com SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note: Follow the disassembly procedure in the numerical order given. COVER ASS’Y 3 cover ass’y L 13942296513 MECHANISM DECK BLOCK 1 two screws 1 two screws (PTT2.6 × 6) (PTT2.6 × 6) 2 connector 3 mechanism deck block (CN901)
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 MAIN BOARD, HEAT SINK 4 five screws (PTT2.6 × 8) 2 two screws 1 two screws (ground point) (PTT2.6 × 6) 5 heat sink 3 main board L 13942296513 MECHANISM DECK (MG-36SZ9-32) 3 mechanism deck (MG-36SZ9-32) 2 bracket (MD) u163...
  • Page 10 http://www.xiaoyu163.com 3 7 63 1515 0 MOTOR ASS’Y (CAPSTAN/REEL) (M901) 2 belt 2 belt 1 two screws (P2 × 3) 3 motor ass’y (CAPSTAN/REEL) (M901) L 13942296513 CASSETTE HANGER (X) 1 Remove the claw toward direction. 4 two claws 5 cassette hanger (x) 3 boss 3 boss 2 Remove the return link...
  • Page 11 http://www.xiaoyu163.com 3 7 63 1515 0 CASSETTE HOLDER (X) 2 Removal the cassette holder (x) to direction of the arrow. 1 Push an arrow A part. L 13942296513 u163 – 11 – http://www.xiaoyu163.com...

  • Page 12: Mechanical Adjustments

    http://www.xiaoyu163.com SECTION 3 SECTION 4 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 1. Clean the following parts with a denatured-alcohol-moistened TAPE DECK SECTION 0 dB= 0.775 V swab: playback head pinch roller 1. The adjustments should be performed in the order given in rubber belt capstan this service manual.

  • Page 13: Tuner Section

    http://www.xiaoyu163.com 3 7 63 1515 0 4. Repeat the above adjustment for the REV PB mode. TUNER SECTION 5. Check that output level difference between FWD PB mode and REV PB mode is within 4 dB. 0 dB=1 µV Adjustment Location: PB head Cautions during repair When the tuner unit is defective, replace it by a new one be- cause its internal block is difficult to repair.
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 FM Noise Focus Adjustment FM Signal Meter Adjustment Setting: Setting: [TUNER] [TUNER] button: FM1 button: FM1 FM RF signal FM RF signal level meter antenna jack (CN900) generator generator antenna jack (CN900) 0.01 µ F 0.01 µ...
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 MW Auto Scan/Stop Level Adjustment Setting: [TUNER] button: MW 30 Ω 15 pF 65 pF AM RF signal generator AM dummy antenna (50 Ω ) antenna jack (CN900) Carrier frequency : 999 kHz 30% amplitude modulation by 1 kHz signal : 33 dB (44.7 µ...
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 Adjustment Location: – SET UPPER VIEW – Tape Speed Adjustment TU100 RV1 MW Auto Scan/Stop Level Adjustment RV2 FM Auto Scan/Stop Level Adjustment RV3 FM Noise Focus Adjustment RV4 FM Stereo Separation Adjustment CN901 RV100 FM Signal Meter Adjustment L 13942296513 –...

  • Page 17: Diagrams

    http://www.xiaoyu163.com SECTION 5 DIAGRAMS 3 7 63 1515 0 5-1. NOTES FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM Note on Schematic Diagram: Note on Printed Wiring Board: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •...
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 • Waveforms – MAIN Board – – KEY Board – 1 IC1 8 (X IN) 1 IC900 ^º (OSC) 2.4 Vp-p 3.2 Vp-p 125 ns 26.6 µ s 2 IC1 !¡ (XT IN) 2 Vp-p 30.5 µ...

  • Page 19: Printed Wiring Board - Main Section

    XR-1800R 5-2. PRINTED WIRING BOARD – MAIN Section – 3 7 6 3 1 5 1 5 0 • Semiconductor Location Ref. No. Location D100 D350 D351 D501 D502 D550 D600 D601 D602 D603 D604 D605 D606 D607 D608...
  • Page 20 XR-1800R 5-3. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 18 for Waveforms. • See page 29 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3...

  • Page 21: Schematic Diagram - Main Section (1/2)

    XR-1800R 5-4. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 18 for Waveforms. • See page 29 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3...

  • Page 22: Printed Wiring Board - Panel Section

    XR-1800R 5-5. PRINTED WIRING BOARD – PANEL Section – 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 (Page 19) • Semiconductor Location Ref. No. Location D900 D901...

  • Page 23: Schematic Diagram - Panel Section

    XR-1800R 5-6. SCHEMATIC DIAGRAM – PANEL Section – • See page 18 for Waveform. 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 (Page 24) w w w u 1 6 3 –...
  • Page 24 http://www.xiaoyu163.com 3 7 63 1515 0 • IC Block Diagrams – MAIN Board – IC121 LC7216M 13 12 11 PHASE DETECTOR CHARGE PUMP UNIVERSAL COUNTER SWALLOW 12BIT REFERENCE COUNTER PROGRAMMABLE DIVIDER 1/16, 1/17 4BIT DIVIDER SHIFT REGISTER LATCH L 13942296513 IC150 TDA7330BD-013TR 15 14 DIFF...
  • Page 25 http://www.xiaoyu163.com 3 7 63 1515 0 IC450 LC75372E ROUT RVREF RVREF RVREF RVREF – – – RFIN TEST RVREF RVREF RFOUT – RROUT – SHIFT LATCH DECODER CONTROL REGISTER RVREF RVREF VREF RVREF LVREF – LVREF LVREF LROUT – LFOUT LVREF LVREF L 13942296513...

  • Page 26: 5-7. Ic Pin Function Description

    http://www.xiaoyu163.com 3 7 63 1515 0 5-7. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC1 MN1884820SF (SYSTEM CONTROLLER) Pin No. Pin Name Function TUNMUT FM audio signal muting control output terminal “H”: muting on AMPON Standby control signal output to the power amplifier (IC500) “L”: standby Power supply on/off control signal output terminal at the illumination and liquid crystal display ILLON driver (IC900) “H”: power on...
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function LCD CE Chip enable output to the liquid crystal display driver (IC900) LCD CLK Serial data transfer clock signal output to the liquid crystal display driver (IC900) Not used (open) LCD SO Serial data output to the liquid crystal display driver (IC900) VDD2...

  • Page 28: Exploded Views

    http://www.xiaoyu163.com SECTION 6 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • Items marked “*” are not stocked since they • -XX and -X mean standardized parts, so they • Abbreviation may have some difference from the original are seldom required for routine service. Some : German one.
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 (2) FRONT PANEL SECTION LCD900 L 13942296513 not supplied (KEY board) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-375-372-01 SPRING (F/R) * 62 3-029-526-01 PLATE, LIGHT GUIDE 3-022-485-01 BUTTON (FF) ()) 3-022-474-01 PANEL, FRONT BACK 3-022-486-01 BUTTON (REW) (0) * 64...
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 (3) MECHANISM DECK SECTION-1 (MG-36SZ9-32) L 13942296513 not supplied not supplied S901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-938-660-01 LEVER, EJECT 3-392-994-01 ROLLER, PROGRAM 3-392-950-01 SPRING * 115 3-392-933-01 LEVER (B), CHANGE 3-392-951-01 SPRING 3-392-948-01 SPRING...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 (4) MECHANISM DECK SECTION-2 (MG-36SZ9-32) HP901 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-570-615-02 POLY-WASHER (DIA.1.2) 3-375-379-01 SCREW, AZIMUTH 3-392-945-01 ROLLER (A), H.P * 164 3-379-142-01 ARM (B), ADJUSTOR 3-392-942-01 ROLLER (B), H.P 3-392-984-02 GUIDE, TAPE 3-375-378-01 ARM (R) ASSY, PINCH...
  • Page 32 http://www.xiaoyu163.com 3 7 63 1515 0 (5) MECHANISM DECK SECTION-3 (MG-36SZ9-32) L 13942296513 not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-392-959-01 SPRING 3-392-937-01 GEAR (B) 3-392-985-02 RATCHET 3-570-615-02 POLY-WASHER (DIA.1.2) * 203 4-908-792-11 SCREW (B2) 3-392-915-01 GEAR, IDLE 3-392-960-01 SPRING...
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 (6) MECHANISM DECK SECTION-4 (MG-36SZ9-32) M901 S903 S902 not supplied L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-392-967-01 BELT, MAIN 3-318-204-91 SCREW (M1.7X4), TAPPING 3-392-995-02 FLYWHEEL ASSY (BR) 3-375-376-01 MUTE (PWB) (MUTE SWITCH BOARD) 3-375-375-02 BELT (C), SUB * 268...
  • Page 34 http://www.xiaoyu163.com SECTION 7 3 7 63 1515 0 ELECTRICAL PARTS LIST NOTE: • Abbreviation • Due to standardization, replacements in the • Items marked “*” are not stocked since they : German parts list may be different from the parts speci- are seldom required for routine service.
  • Page 35 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S950 1-771-484-11 SWITCH, TACTILE (OFF) S951 1-771-484-11 SWITCH, TACTILE (PTY, LOUD) C131 1-163-117-00 CERAMIC CHIP 100PF C132 1-163-117-00 CERAMIC CHIP 100PF S952 1-771-484-11 SWITCH, TACTILE (6) C133...
  • Page 36 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C550 1-126-301-11 ELECT D607 8-719-933-43 DIODE HZS7AIL C551 1-126-301-11 ELECT C552 1-126-301-11 ELECT D608 8-719-988-62 DIODE 1SS355 D609 8-719-200-82 DIODE 11ES2 C553 1-126-301-11 ELECT D610...
  • Page 37 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q121 8-729-900-53 TRANSISTOR DTC114EK 1-216-097-00 RES,CHIP 100K 1/10W Q150 8-729-027-23 TRANSISTOR DTA114EKA-T146 1-249-421-11 CARBON 2.2K 1/4W Q151 8-729-900-53 TRANSISTOR DTC114EK 1-249-420-11 CARBON 1.8K 1/4W Q250...
  • Page 38 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R350 1-216-095-00 METAL CHIP 1/10W R622 1-216-206-00 RES,CHIP 2.2K 1/8W R351 1-216-095-00 METAL CHIP 1/10W R623 1-216-065-00 RES,CHIP 4.7K 1/10W R352 1-216-075-00 METAL CHIP 1/10W R353...
  • Page 39 XR-1800R 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 7-627-553-88 SCREW, PRECISION +P 2X7 7-621-255-20 SCREW +P 2X4 7-685-781-09 SCREW +PTT 2X4 (S) 7-621-555-10 SCREW +K 2X3 7-621-591-00 SCREW +K 2X4 7-624-102-04 STOP RING 1.5, TYPE -E...

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