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Sony XR-C4100 Service Manual
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Sony XR-C4100 Service Manual

Sony XR-C4100 Service Manual

Fm/mw/lw cassette car stereo
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XR-C4100
SERVICE MANUAL
AEP Model
UK Model
Model Name Using Similar Mechanism
XR-5800R
Tape Transport Mechanism Type
MG-25G-136

SPECIFICATIONS

FM/MW/LW CASSETTE CAR STEREO
MICROFILM

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Summary of Contents for Sony XR-C4100

  • Page 1 XR-C4100 SERVICE MANUAL AEP Model UK Model Model Name Using Similar Mechanism XR-5800R Tape Transport Mechanism Type MG-25G-136 SPECIFICATIONS FM/MW/LW CASSETTE CAR STEREO MICROFILM...
  • Page 2 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 Location of Controls ............3 circuit board (within 3 times).
  • Page 3 SECTION 1 This section is extracted from instruction manual. GENERAL – 3 –...
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  • Page 9 SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. FRONT PANEL ASS’Y 1 Push the button (release). 2 Remove the front panel ass'y to the direction of the arrow A . COVER ASS’Y 3 cover ass'y –...
  • Page 10 SUB PANEL, MECHANISM DECK (MG-25G-136) 5 screw (PTT2.6 × 6) 3 connector (CN351) 6 mechanism deck (MG-25G-136) 4 flexible flat cable (CN301) 2 sub panel 1 three screws (PTT2.6 × 8) 1 three screws (PTT2.6 × 8) 5 screw (PTT2.6 × 10) MAIN BOARD, HEAT SINK 1 screw (PTT2.6 ×...

  • Page 11: Assembly Of Mechanism Deck

    SECTION 3 ASSEMBLY OF MECHANISM DECK Note: Follow the assembly procedure in the numerical order given. HOUSING 7 Holder 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 12 LEVER (LDG-A) / (LDG-B) shaft A shaft A shaft B shaft B shaft C 1 Fit the lever (LDG-A) on shafts A – C and install it. 3 type-E stop ring 2.0 2 Fit the lever (LDG-B) on shafts A and B and install it.
  • Page 13 GUIDE (C) 2 guide (C) 1 three claws – 13 –...

  • Page 14: Electrical Adjustments

    SECTION 5 SECTION 4 ELECTRICAL ADJUSTMENTS MECHANICAL ADJUSTMENTS 1. Clean the following parts with a denatured-alcohol-moistened TEST MODE swab: This set have the test mode function. In the test mode, FM Auto playback head pinch roller Scan/Stop Level and AM (MW) Auto Scan/Stop Level adjustments rubber belt capstan can be performed easier than it in ordinary procedure.
  • Page 15 FM Noise Focus Adjustment TUNER SECTION 0 dB=1 µV Setting: [SOURCE] button: FM Cautions during repair When the tuner unit is defective, replace it by a new one be- FM RF signal level meter antenna jack (J1) generator cause its internal block is difficult to repair. 0.01 µ...
  • Page 16 AM (MW) Auto Scan/Stop Level Adjustment Make this adjustment after “FM Auto Scan/Stop Level Adjustment”. Setting: [SOURCE] [MODE] button: MW 30 Ω 15 pF 65 pF AM RF signal generator AM dummy antenna (50 Ω ) antenna jack (J1) Carrier frequency : 999 kHz 30% amplitude modulation by 1 kHz signal...
  • Page 17 Adjustment Location: —SET UPPER VIEW– Tape Speed Adjustment RV1 AM (MW) Auto Scan/Stop Level Adjustment RV2 FM Auto Scan/Stop Level Adjustment RV3 FM Noise Focus Adjustment RV4 FM Stereo Separation Adjustment – 17 –...
  • Page 18 SECTION 6 DIAGRAMS 6-1. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC501 µPD17708GC-567-3B9 (SYSTEM CONTROLLER) Pin No. Pin Name Function AMSSEL Setting terminal for the AMS selection fixed at “L” POS3 POS2 Tape position detect input from tape operation switch on the mechanism block POS0 POS1 TAPEON...
  • Page 19 Serial data output to the liquid crystal display driver (IC901) Blank indicate control signal output to the liquid crystal display driver (IC901) LCDINH “L”: no display UNICKI Serial data reading clock signal input terminal (for SONY bus) – 19 –...
  • Page 20 Serial data transfer clock signal output to the bus interface (IC701) (for SONY bus) BUSON Bus on/off control signal output to the bus interface (IC701) (for SONY bus) “L”: bus on SYSRST Reset signal output to the bus interface (IC701) (for SONY bus) “L”: reset...
  • Page 24 • IC Block Diagrams – MAIN Board – IC301 CXA2509AQ-T4 IC361 LB1638M N.C. OUT1 24dB 120µ/70µ + – MSMODE OUT2 – NR BIAS PBFB2 DRSW MODE PBRIN2 TAPE/AUX N.C. TAPESW PBREF2 INSW TAPE EQ PBFIN2 FWD/RVS PBGND MS ON/ DETECT –...
  • Page 25 IC601 BA3918-V2 IC701 BA8270F-E2 BUS ON BUS ON SWITCH REGULATOR RESET SWITCH BUS ON CLK IN BATTERY BATT BU IN SWITCH OVER VOLTAGE PROTECT VREF DATA DATA IN – DATA OUT 2 3 4 • Waveform 1 IC501 &¶ (X_IN) 4.4 Vp-p 223 ns –...

  • Page 26: Exploded Views

    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 * 117 3-018-611-01 HOLDER (LCD) X-3374-683-1 PANEL SUB ASSY 3-009-295-01 PANEL, FRONT BACK 3-009-300-01 BUTTON (SOURCE) 3-904-194-01 EMBLEM (NO. 2.5), SONY 3-018-658-01 BUTTON (L) (r. OFF.+ +). SEEK AMS. * 120 3-024-391-01 SHEET (LCD) =0 –. r. SEL. ATT) * 121...
  • Page 28 (3) MECHANISM DECK SECTION (MG-25G-136) HP901 M901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3291-667-A CLUTCH (FR) ASSY 3-933-346-01 CATCHER * 152 3-019-130-01 LEVER (LDG-A) 3-933-344-01 GUIDE (C) * 153 3-019-131-01 LEVER (LDG-B) 3-014-798-01 SCREW (HEAD), SPECIAL 3-020-539-01 SPRING (LD-1), TENSION 3-364-151-01 WASHER 3-020-540-01 SPRING (LD-2), TENSION...

  • Page 29: Electrical Parts List

    SECTION 8 CONNECTOR ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference parts list may be different from the parts speci- are seldom required for routine service. number, please include the board.
  • Page 30 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LSW908 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(+)(GREEN) R906 1-216-655-11 METAL CHIP 1.5K 0.5% 1/10W LSW909 1-762-617-11 SWITCH, KEY BOARD (WITH LED)(ATT)(AMBER) R907 1-216-659-11 METAL CHIP 2.2K 0.5% 1/10W LSW909 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(ATT)(GREEN) R908...
  • Page 31 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 7-685-794-09 SCREW +PTT 2.6X10 (S) C206 1-163-227-11 CERAMIC CHIP 10PF 0.5PF C207 1-126-163-11 ELECT 4.7uF < CAPACITOR > C208 1-164-161-11 CERAMIC CHIP 0.0022uF 10% 100V C241 1-126-157-11 ELECT 10uF 1-163-235-11 CERAMIC CHIP 22PF...
  • Page 32 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C606 1-124-589-11 ELECT 47uF D756 8-719-970-02 DIODE 1SR139-400 C607 1-124-589-11 ELECT 47uF D757 8-719-970-02 DIODE 1SR139-400 D758 8-719-970-02 DIODE 1SR139-400 C608 1-124-234-00 ELECT 22uF C701 1-164-004-11 CERAMIC CHIP 0.1uF D802 8-719-970-02 DIODE 1SR139-400...
  • Page 33 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 8-729-120-28 TRANSISTOR 2SC1623-L5L6 R184 1-216-121-00 RES, CHIP 1/10W 8-729-021-94 TRANSISTOR 2SK1657-T1B R201 1-216-097-00 RES, CHIP 100K 1/10W Q171 8-729-920-21 TRANSISTOR DTC314TKH04 R202 1-216-097-00 RES, CHIP 100K 1/10W Q181 8-729-920-21 TRANSISTOR DTC314TKH04 R203...
  • Page 34 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R526 1-216-097-00 RES, CHIP 100K 1/10W < TUNER > (GREEN) R527 1-216-097-00 RES, CHIP 100K 1/10W 1-693-373-11 TUNER UNIT R529 1-216-097-00 RES, CHIP 100K 1/10W < VIBRATOR > R530 1-216-097-00 RES, CHIP 100K...
  • Page 35 XR-C4100 Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** 3-916-161-31 FRAME ASSY X-3370-077-1 SCREW ASSY (AE.KEY), FITTING 1-777-989-41 CORD (WITH CONNECTOR) (AMP REM/ATT) 1-782-093-11 CORD (WITH CONNECTOR) (ISO-S) (SPEAKER) 1-782-092-11 CORD (WITH CONNECTOR) (ISO-P) (POWER) 1-775-543-11 CORD, GROUND...

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