Sony XR-CA670X Service Manual
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Sony XR-CA670X Service Manual

Sony XR-CA670X Service Manual

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SERVICE MANUAL
Ver 1.0 2003.02
Cassette Player section
Tape track
Wow and flutter
Frequency response
Signal-to-noise ratio
Tuner section
FM
Tuning range
Aerial terminal
Intermediate frequency
Usable sensitivity
Selectivity
Signal-to-noise ratio
Harmonic distortion at 1 kHz
Separation
Frequency response
MW/LW
Tuning range
Aerial terminal
Intermediate frequency
Sensitivity
Power amplifier section
Outputs
Speaker impedance
Maximum power output
Sony Corporation
9-877-004-01
2003B0500-1
e Vehicle Company
C 2003.02
Published by Sony Engineering Corporation
XR-CA670X
SPECIFICATIONS
General
4-track 2-channel stereo
Outputs
0.08 % (WRMS)
30 – 18,000 Hz
Inputs
Cassette type
TYPE II, IV
61 dB
TYPE I
58 dB
Tone controls
87.5 – 108.0 MHz
External aerial connector
10.7 MHz/450 kHz
9 dBf
75 dB at 400 kHz
Power requirements
67 dB (stereo),
69 dB (mono)
Dimensions
0.5 % (stereo),
Mounting dimensions
0.3 % (mono)
35 dB at 1 kHz
Mass
30 – 15,000 Hz
Supplied accessories
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Note
External aerial connector
This unit cannot be connected to a digital preamplifier
10.7 MHz/450 kHz
or an equalizer which is Sony BUS system compatible.
MW: 30 µV
LW: 40 µV
Design and specifications are subject to change
without notice.
Speaker outputs
(sure seal connectors)
4 – 8 ohms
50 W × 4 (at 4 ohms)
FM/MW/LW CASSETTE CAR STEREO
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Audio outputs (rear)
Power aerial relay control
lead
Power amplifier control lead
Telephone ATT control
terminal
BUS control input terminal
BUS audio input terminal
Remote controller input
terminal
Aerial input terminal
Low:
±10 dB at 60 Hz (XPLOD)
Mid:
±10 dB at 1 kHz (XPLOD)
High
±10 dB at 10 kHz (XPLOD)
12 V DC car battery
(negative earth)
Approx. 178 × 50 × 180
mm (w/h/d)
Approx. 182 × 53 × 161
mm (w/h/d)
Approx. 1.2 kg
Parts for installation and
connections (1 set)
Front panel case (1)
AEP Model
UK Model
XR-CA630X
MG-25M-136

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Summary of Contents for Sony XR-CA670X

  • Page 1 External aerial connector This unit cannot be connected to a digital preamplifier Intermediate frequency 10.7 MHz/450 kHz or an equalizer which is Sony BUS system compatible. Sensitivity MW: 30 µV LW: 40 µV Design and specifications are subject to change without notice.

  • Page 2: Table Of Contents

    XR-CA670X TABLE OF CONTENTS SERVICING NOTES SERVICING NOTES SERVICE POSITION ..........2 In checking the key board and main board, prepare two jigs (connection cable J-2502-066-2 and GENERAL connection cable for F/P to main J-2502-071-1). Location of Controls ............3 Setting the Clock .............

  • Page 3: General

    XR-CA670X SECTION 1 This section is extracted from instruction manual. GENERAL Location of controls Setting the clock The clock uses a 24-hour digital indication. Example: To set the clock to 10:08 Press for 2 seconds. The hour indication flashes. SEEK 1 Press the volume +/–...
  • Page 4 XR-CA670X Power connection diagram Diagramma dei collegamenti di alimentazione Auxiliary power connector may vary depending on the car. Check your car’s auxiliary power connector Il connettore di alimentazione ausiliaria può variare diagram to make sure the connections match a seconda della macchina.
  • Page 5 XR-CA670X Cautions Vorsicht Précautions Attenzione Let op! • This unit is designed for negative earth 12 V DC operation only. • Dieses Gerät ist ausschließlich für den Betrieb bei 12 V • Cet appareil est conçu pour fonctionner sur un courant continu de •...
  • Page 6 XR-CA670X Orient the release key correctly. Face the hook inwards. Richten Sie den Der Haken muss nach innen Löseschlüssel korrekt aus. weisen. Orientez correctement la Tournez le crochet vers clé de déblocage. l’intérieur. Orientare la chiavetta di Con il gancetto rivolto verso rilascio nel modo corretto.

  • Page 7: Main Board

    XR-CA670X SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW FRONT PANEL SECTION Note: Illustration of disassembly is omitted. 2-2. SUB PANEL SECTION (Page 7) 2-3. MECHANISM DECK (MG-25M-136) (Page 8) 2-4. MAIN BOARD (Page 8) Note: Follow the disassembly procedure in the numerical order given.

  • Page 8: Mechanism Deck (Mg-25M-136)

    XR-CA670X 2-3. MECHANISM DECK (MG-25M-136) 3 screw (PTT2.6 ⋅ 6) 4 mechanism deck (MG-25M-136) 2 flexible board (CN351) 1 flexible board (CN301) 2-4. MAIN BOARD 2 two screws (PTT2.6 ⋅ 6) 3 three ground point screws 4 rubber cap (25) (PTT2.6 ⋅...

  • Page 9: Assembly

    XR-CA670X SECTION 3 ASSEMBLY • This set can be assembled in the order shown below. 3-1. ASSEMBLY FLOW 3-2. HOUSING (Page 10) 3-3. ARM (SUCTION) (Page 10) 3-4. LEVER (LDG-A)/(LDG-B) (Page 11) 3-5. GEAR (LDG-FT) (Page 11) 3-6. GUIDE (C) (Page 12) 3-7.

  • Page 10: Housing

    XR-CA670X Note: Follow the assembly procedure in the numerical order given. 3-2. HOUSING 7 Hold the hanger by bending the claw. 5 Fit projection on C part. 1 Install the catch to the hanger. 2 Install the hanger onto two claws of the housing.

  • Page 11: Lever (Ldg-A)/(Ldg-B)

    XR-CA670X 3-4. LEVER (LDG-A) / (LDG-B) shaft A shaft A shaft B shaft B shaft C 1 Fit the lever (LDG-A) on 3 type-E stop ring 2.0 shafts A – C and install it. 2 Fit the lever (LDG-B) on shafts A and B and install it.

  • Page 12: Guide (C)

    XR-CA670X 3-6. GUIDE (C) 2 guide (C) 1 three claws 3-7. MOUNTING POSITION OF CAPSTAN/REEL MOTOR (M901) two precision screws (P2 × 2) capstan/reel motor (M901) Note: Mount the motor so that the angle between of the motor and the hole for the screw becomes 30 °...

  • Page 13: Mechanical Adjustments

    XR-CA670X SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS 1. Clean the following parts with a denatured-alcohol-moistened TAPE DECK SECTION 0 dB=0.775 V swab: playback head pinch roller TAPE SPEED ADJUSTMENT rubber belt capstan Setting: idler 2. Demagnetize the playback head with a head demagnetizer.

  • Page 14: Diagrams

    XR-CA670X SECTION 6 DIAGRAMS 6-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •...

  • Page 15: Printed Wiring Board - Main Board

    Location (FRONT VIEW) BUS AUDIO AUDIO OUT REAR CN581 J671 D352 I-14 FM/MW/LW BUS CONTROL IN REMOTE IN D479 F-10 ANTENNA (FOR SONY BUS) FU601 D581 H-14 D582 H-14 RL– GRN/BLK D584 G-14 MAIN BOARD FL– D585 G-14 JC751 WHT/BLK...

  • Page 16: Schematic Diagram - Main Board (1/3)

    XR-CA670X 6-3. SCHEMATIC DIAGRAM – MAIN Board (1/3) – • • See page 14 for Waveform. See page 22 for IC Block Diagrams. AUDIO OUT (1/3) AUDIO IN REAR J331 TUX-030//Q (CHASSIS) (TUNER UNIT) (CHASSIS) JC81 0.001 FM/MW/LW C142 C242...

  • Page 17: Schematic Diagram - Main Board (2/3)

    XR-CA670X 6-4. SCHEMATIC DIAGRAM – MAIN Board (2/3) – • • See page 14 for Waveforms. See page 22 for IC Block Diagrams. (Page 16) (2/3) R554 R508 R530 R529 100k R553 C753 R503 100k 0.22 100k C521 HP901 0.01...

  • Page 18: Schematic Diagram - Main Board (3/3)

    UDZ-18B KEY-0 (Page 19) KEY1 R711 CLK-IN KEY-1 BATT R583 BUS-IN RE-0(NC) FLASH-W BUS-ON R586 R584 C581 SONY BUS INTERFACE (Page 17) R702 R531 100k D701 R701 MA111 (CHASSIS) RESET D581 CN581 R581 UDZ-6.2B BUS CONTROL IN (FOR SONY BUS)

  • Page 19: Printed Wiring Board - Sub Board

    XR-CA670X 6-6. PRINTED WIRING BOARD – SUB Board – 6-7. SCHEMATIC DIAGRAM – SUB Board – SUB BOARD (COMPONENT SIDE) CN801 LSW801 SIRCS KEY-0 KEY-1 CN801 RE-0 (NC) FLASH-W RE-1 (NC) (Page 21) LCD-DATA LCD-CE LCD-CLK KEY BOARD CN901 DOOR-SW...

  • Page 20: Printed Wiring Board - Key Board

    XR-CA670X 6-8. PRINTED WIRING BOARD – KEY Board – KEY BOARD (COMPONENT SIDE) LED954 S902 LSW912 R935 LED954, S902 DSPL SOURCE LSW905 LSW904 LSW913 LCD901 LIQUID CRYSTAL DISPLAY R966 R950 LED911 LED953 LED903 R911 LED951 R904 (VOLUME) LED952 SEEK SEEK...

  • Page 21: Schematic Diagram - Key Board

    XR-CA670X 6-9. SCHEMATIC DIAGRAM – KEY Board – • See page 14 for Waveform. R972 R981 R982 REMOTE CONTROL RECEIVER R983 IC971 RS-770 LSW919(2/2) LSW912(2/2) LSW915(2/2) LS9J3M-1SR LSW905(2/2) LED954 LED933 LS6J3M-1SR LSW913(2/2) LS9J3M-1SR LS6J3M-1SR CL-195SR LED903 SEG60 SEG41 NSCW505T-ARS LS6J3M-1SR...
  • Page 22 XR-CA670X • IC Block Diagrams – MAIN Board – IC51 SAA6588T/V2-518 IC301 HA12231FP IC581 BA8270F-E2 IC751 TDA8588J/N1/M5 BUS ON BUS ON SWITCH OUT-FL- C BUS RESET POWER SUPPLY PAUSE SWITCH & RESET DETECTOR MULTI BUS ON INPUT PATH 57kHz CLK IN...

  • Page 23: Ic Pin Function Description

    Synchronized detection signal of RDS data block input from the RDS decoder “H” active BU_IN Battery detection signal input from the SONY bus interface “L” is input at low voltage SIRCS SIRCS remote control signal input from the remote control receiver TUATT IN Tuner muting on/off control signal input from the tuner unit “L”: muting on...
  • Page 24 XR-CA670X Pin No. Pin Name Description I2CSIO Two-way data bus with the tuner unit and electrical volume Not used I2CCKO Serial data transfer clock signal output to the tuner unit and electrical volume Standby on/off control signal output to the power amplifier “L”: standby mode, “H”: amplifier on...
  • Page 25 XR-CA670X Pin No. Pin Name Description Motor drive signal output to the loading motor drive “H” active LM_LO (For the loading direction and forward side operation) Motor drive signal output to the loading motor drive “H” active LM_EJ (For the eject direction and reverse side operation)

  • Page 26: Exploded Views

    XR-CA670X SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •...

  • Page 27: Front Panel Section

    XR-CA670X 7-2. FRONT PANEL SECTION not supplied not supplied not supplied not supplied not supplied not supplied (key board) supplied not supplied not supplied supplied supplied LCD901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3337-205-A PANEL COMPLETE ASSY, FRONT...

  • Page 28: Mechanism Deck Section (Mg-25M-136)

    XR-CA670X 7-3. MECHANISM DECK SECTION (MG-25M-136) HP901 M901 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3291-667-A CLUTCH (FR) ASSY 3-933-344-22 GUIDE (C) 3-927-100-21 SCREW (+PS 2X10), SPECIAL * 152 3-019-130-01 LEVER (LDG-A) * 153...

  • Page 29: Electrical Parts List

    XR-CA670X SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference number, please include the board. parts list may be different from the parts speci- are seldom required for routine service.
  • Page 30 XR-CA670X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R918 1-216-827-11 METAL CHIP 3.3K 1/10W 1-124-589-11 ELECT 47uF R919 1-216-829-11 METAL CHIP 4.7K 1/10W 1-107-826-11 CERAMIC CHIP 0.1uF R920 1-218-867-11 METAL CHIP 6.8K 1/10W 1-162-964-11 CERAMIC CHIP 0.001uF...
  • Page 31 XR-CA670X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C421 1-115-467-11 CERAMIC CHIP 0.22uF C764 1-164-004-11 CERAMIC CHIP 0.1uF C422 1-136-154-00 FILM 0.012uF C765 1-164-004-11 CERAMIC CHIP 0.1uF C423 1-162-965-11 CERAMIC CHIP 0.0015uF 10% C431...
  • Page 32 XR-CA670X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > R142 1-216-821-11 METAL CHIP 1/10W 1-815-185-12 JACK (ANT) (FM/MW/LW ANTENNA) R203 1-216-833-11 METAL CHIP 1/10W J331 1-774-699-12 JACK, PIN 4P R204 1-216-835-11 METAL CHIP...
  • Page 33 XR-CA670X MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R529 1-216-833-11 METAL CHIP 1/10W < THERMISTOR > R530 1-216-833-11 METAL CHIP 1/10W R531 1-216-845-11 METAL CHIP 100K 1/10W TH501 1-803-350-21 THERMISTOR, POSITIVE R537 1-216-845-11 METAL CHIP...
  • Page 34 XR-CA670X Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** X-3382-647-1 FRAME ASSY, FITTING 3-246-443-01 COLLAR 3-246-471-01 KEY (FRAME) 1-776-527-61 CORD (WITH CONNECTOR) (ISO) (POWER) X-3382-926-1 SCREW ASSY (BS), FITTING 1-465-459-21 ADAPTER, ANTENNA...

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