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Sony XR-C6100 Service Manual

Sony xr-c6100 fm/mw/sw cassette car stereo
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SERVICE MANUAL
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trade-
marks of Dolby Laboratories Licensing Corporation.
MICROFILM
XR-C6100
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
FM/MW/SW CASSETTE CAR STEREO
Saudi Arabia Model
MG-25F-136
– Continued on next page –
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  Summary of Contents for Sony XR-C6100

  • Page 1 XR-C6100 SERVICE MANUAL Saudi Arabia Model Dolby noise reduction manufactured under license Model Name Using Similar Mechanism from Dolby Laboratories Licensing Corporation. Tape Transport Mechanism Type MG-25F-136 “DOLBY” and the double-D symbol a are trade- marks of Dolby Laboratories Licensing Corporation.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS GENERAL Location of Controls ............3 Installation ............... 4 Connections ..............5 DISASSEMBLY ............8 ASSEMBLY OF MECHANISM DECK ... 10 MECHANICAL ADJUSTMENTS ....... 13 ELECTRICAL ADJUSTMENTS Test Mode ................ 13 Tape Deck Section ............13 Tuner Section ..............14 DIAGRAMS 6-1.
  • Page 3 SECTION 1 This section is extracted from instruction manual. GENERAL – 3 –...
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  • Page 8: Disassembly

    SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. COVER ASS’Y 3 cover ass’y SUB PANEL, MECHANISM DECK (MG-25F-136) 5 screw (PTT2.6 × 6) 3 connector (CN302) 6 mechanism deck (MG-25F-136) 4 flexible flat cable (CN301) 2 sub panel 1 three screws (PTT2.6 ×...
  • Page 9 MAIN BOARD, HEAT SINK 5 three screws (PTT2.6 × 10) 5 two screws (PTT2.6 × 10) 3 two ground point 1 screw screws (PTT2.6 × 6) 5 three screws (PTT2.6 × 10) 6 heat sink 4 main board 2 rubber cap (25) 1 two screws (PTT2.6 ×...
  • Page 10: Assembly Of Mechanism Deck

    SECTION 3 ASSEMBLY OF MECHANISM DECK Note: Follow the assembly procedure in the numerical order given. 7 Holder the hanger by bending the claw. HOUSING 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) 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 12 GUIDE (C) 2 guide (C) 1 three claws – 12 –...
  • Page 13: Mechanical Adjustments

    SECTION 5 SECTION 4 ELECTRICAL ADJUSTMENTS MECHANICAL ADJUSTMENTS TEST MODE 1. Clean the following parts with a denatured-alcohol-moistened swab: This set have the test mode function. In the test mode, FM Auto playback head pinch roller Scan/Stop Level and MW Auto Scan/Stop Level adjustments can rubber belt capstan be performed easier than it in ordinary procedure.
  • Page 14: Tuner Section

    Dolby Level Adjustment TUNER SECTION 0 dB=1 µV Setting: Preset (DOLBY) button : NR OFF Cautions during repair SEL (BAS) button : Center When the tuner unit is defective, replace it by a new one be- SEL (TRE) button : Center cause its internal block is difficult to repair.
  • Page 15 FM Noise Focus Adjustment MW Auto Scan/Stop Level Adjustment Setting: Setting: [SOURCE] [SOURCE] [MODE] button : FM button : MW FREQUENCY SELECT switch : FM 50 k FREQUENCY SELECT switch : MW 9 k FM RF signal level meter antenna jack (J1) 30 Ω...
  • Page 16 Adjustment Location: – SET UPPER VIEW – Tape Speed Adjustment RV1 MW Auto Scan/Stop Level Adjustment RV2 FM Auto Scan/Stop Level Adjustment RV3 FM Noise Focus Adjustment RV4 FM Stereo Separation Adjustment RV131 RV231 (R-CH) (L-CH) Dolby Level Adjustment – SET BOTTOM VIEW – ...
  • Page 17: Diagrams

    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 AMPON Standby control signal output to the power amplifier (IC611) “L”: standby...
  • Page 18 Pin No. Pin Name Function Loading/tape operation motor control signal output to the LB1638M (IC361) LM EJ (For the eject direction and reverse side operation) *1 Forward/reverse direction control signal output to the CXA2510AQ (IC301) N/R OUT “L: forward direction, “H”: reverse direction P.ON Polar stereo detection signal output terminal “H”: polar stereo Not used (open) CM ON...
  • Page 19 Pin No. Pin Name Function Input of acknowledge signal for the key entry Acknowledge signal is input to accept function KEYACK and eject keys in the power off status On at input of “H” — Power supply terminal (+5V) X OUT Main system clock output terminal (5 MHz) X IN Main system clock input terminal (5 MHz)
  • Page 20: Note For Printed Wiring Boards And Schematic Diagram

    6-2. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAM Note on Schematic Diagram: Note on Printed Wiring Boards: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF • Y : parts extracted from the conductor side. 50 WV or less are not indicated except for electrolytics •...
  • Page 21: Printed Wiring Board - Main Section

    XR-C6100 6-3. PRINTED WIRING BOARD – MAIN Section – • Semiconductor Location Ref. No. Location Ref. No. Location D701 G-13 D702 F-12 D703 F-12 D704 B-13 D361 I-13 D362 I-13 D705 B-13 D501 D706 H-11 D601 C-13 D602 B-11 IC161...
  • Page 22: Schematic Diagram - Main Section (1/2)

    XR-C6100 6-4. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 31 and 32 for IC Block Diagrams. – 23 – – 24 –...
  • Page 23: Schematic Diagram - Main Section (2/2)

    XR-C6100 6-5. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 32 for IC Block Diagramas. • Waveforms 1 IC1 1 (XO) 4.2 Vp-p 7.2 MHz 2 IC501 ^ª (XOUT) 4.6 Vp-p 5 MHz 3 IC501 &™ (XT_OUT) 5 Vp-p 32.768 kHz...
  • Page 24: Printed Wiring Board - Panel Section

    XR-C6100 6-6. PRINTED WIRING BOARD – PANEL Section – • Semiconductor Location Ref. No. Location Ref. No. Location D901 IC901 D902 C-10 IC902 D903 C-10 D904 Q901 D905 C-10 Q902 D908 Q903 Q904 – 27 – – 28 –...
  • Page 25: Schematic Diagram - Panel Section

    XR-C6100 6-7. SCHEMATIC DIAGRAM – PANEL Section – – 29 – – 30 –...
  • Page 26 • IC Block Diagrams – MAIN BOARD – IC1 BU2624F-E2 IC301 CXA2510AQ-T4 XOUT REFERENCE PHASE DIVIDER DETECT 120µ/ 70µ + – MSMODE – NR BIAS PBFB1 DRSW MODE PBRIN1 TAPE/AUX CONTROL TAPESW FMIN PBREF1 INSW TAPE EQ PBFIN1 NRSW MODE FWD/RVS MAIN AMIN...
  • Page 27: 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 28 * 117 3-018-611-01 HOLDER (LCD) X-3375-274-1 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) (+ + ). SEEK AMS. * 120 3-925-325-01 SPACER = 0 –. MODE. OFF. DSPL. SEL. ATT)
  • Page 29 (3) MECHANISM DECK SECTION (MG-25F-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 30: Electrical Parts List

    SECTION 8 ELECTRICAL PARTS LIST NOTE: When indicating parts by reference • Due to standardization, replacements in the • Items marked “*” are not stocked since they number, please include the board. are seldom required for routine service. parts list may be different from the parts speci- fied in the diagrams or the components used Some delay should be anticipated when order- on the set.
  • Page 31 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-124-234-00 ELECT 22uF R906 1-216-053-00 METAL CHIP 1.5K 1/10W 1-124-234-00 ELECT 22uF R907 1-216-057-00 METAL CHIP 2.2K 1/10W 1-124-234-00 ELECT 22uF R908 1-216-061-00 METAL CHIP 3.3K 1/10W R909 1-216-065-00 RES,CHIP 4.7K...
  • Page 32 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C631 1-164-222-11 CERAMIC CHIP 0.22uF C232 1-163-263-11 CERAMIC CHIP 330PF C651 1-164-004-11 CERAMIC CHIP 0.1uF C233 1-126-301-11 ELECT C652 1-164-004-11 CERAMIC CHIP 0.1uF C234 1-163-009-11 CERAMIC CHIP 0.001uF C241 1-163-251-11 CERAMIC CHIP...
  • Page 33 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D651 8-719-988-62 DIODE 1SS355 JC105 1-216-296-00 SHORT D652 8-719-988-62 DIODE 1SS355 D661 8-719-914-43 DIODE DAN202K JC106 1-216-296-00 SHORT D662 8-719-977-17 DIODE DTZ7.5C JC107 1-216-296-00 SHORT D671 8-719-200-82 DIODE 11ES2 JC108 1-216-296-00 SHORT JC110...
  • Page 34 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R323 1-216-077-00 METAL CHIP 1/10W R331 1-216-009-00 METAL CHIP 1/10W 1-216-049-11 RES,CHIP 1/10W R332 1-216-065-00 RES,CHIP 4.7K 1/10W 1-216-037-00 METAL CHIP 1/10W R333 1-216-077-00 METAL CHIP 1/10W 1-216-041-00 METAL CHIP 1/10W...
  • Page 35 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R633 1-249-383-11 CARBON 1/6W 7-624-104-04 STOP RING 2.0, TYPE-E R634 1-249-383-11 CARBON 1/6W 7-627-553-17 PRECISION SCREW +P 2X2 TYPE 3 R636 1-216-186-00 RES,CHIP 1/8W ************************************************************ R638 1-216-025-00 RES,CHIP 1/10W R639 1-216-025-00 RES,CHIP...
  • Page 36 XR-C6100 Sony Corporation 98C05058-1 9-925-901-11 Personal & Mobile Communication Company Printed in Japan © 1998.3 – 42 – Published by Quality Assurance Dept.