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Sony XR-3100R Service Manual

Fm/mw/lw cassette car stereo
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SERVICE MANUAL
MICROFILM
XR-3100R/C33R
Photo: XR-C33R
SPECIFICATIONS
FM/MW/LW CASSETTE CAR STEREO
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
AEP Model
UK Model
XR-C5100R
MG-25G-136

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Summary of Contents for Sony XR-3100R

  • Page 1 XR-3100R/C33R SERVICE MANUAL AEP Model UK Model Photo: XR-C33R Model Name Using Similar Mechanism XR-C5100R Tape Transport Mechanism Type MG-25G-136 SPECIFICATIONS FM/MW/LW CASSETTE CAR STEREO MICROFILM...

  • Page 2: Table Of Contents

    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: General

    SECTION 1 This section is extracted from instruction manual. GENERAL...
  • Page 7 (XR-3100R)
  • Page 8 (XR-C33R)

  • Page 10: Disassembly

    SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. SUB PANEL, MECHANISM DECK (MG-25G-136) 5 screw (PTT2.6 × 6) 3 connector (CN302) 6 mechanism deck (MG-25G-136) 4 flexible flat cable (CN301) 2 sub panel 1 three screws (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 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 13 GUIDE (C) 2 guide (C) 1 three claws MOUNTING POSITION OF CAPSTAN/REEL MOTOR (M901) two precision screws (P2 × 2) capstan/reel motor (M901) 30˚...

  • Page 14: Mechanical Adjustments

    SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL 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 15 FM Stereo Separation Adjustment 0 dB=1 µV TUNER SECTION 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) cause its internal block is difficult to repair. generator 0.01 µ...
  • Page 16 FM RDS S-Meter Adjustment MW Auto Scan/Stop Level Adjustment Setting: Make this adjustment after “FM Auto Scan/Stop Level Adjust- [SOURCE] button: FM ment”. Setting: FM RF signal [SOURCE] button: MW generator antenna jack (J1) 0.01 µ F 30 Ω 15 pF 65 pF Carrier frequency : 98.00 MHz : 35 dB (56.2 µ...
  • Page 17 Adjustment Location: – SET UPPER VIEW – Tape Speed Adjustment RV1 MW Auto Scan/Stop Level Adjustment RV2 FM Auto Scan/Stop Level Adjustment RV4 FM Stereo Separation Adjustment RV1 FM RDS S-Meter Adjustment...

  • Page 18: Diagrams

    XR-3100R/C33R SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – TUNER Section – FM B+ AM B+ FM/AM TUNER UNIT (FM/AM ANTENNA) FM-L 2 FM-ANT LCH-OUT (Page 19) AM-ANT RCH-OUT R-CH MUTING Q151 R-CH (Page 19) MUTING Q121 MUTING CONTROL SWITCH BUFFER...

  • Page 19: Block Diagram - Tape/Main Section

    XR-3100R/C33R 6-2. BLOCK DIAGRAM – TAPE/MAIN Section – CNJ151 (1/2) AUDIO IN INPUT SELECT, (C33R) ELECTRICAL VOLUME CNJ151 (2/2) IC401 R-CH AUDIO OUT (C33R) VOLUME TONE (LINE OUT) LOUDNESS OUT FL SOFT CONTROL CONTROL FADER CONTROL MUTE FM-L CIRCUIT CIRCUIT...

  • Page 20: Block Diagram - Display/Key Control/Bus Control/Power Supply Section

    XR-3100R/C33R 6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY Section – CN701 LIQUID CRYSTAL DISPLAY DRIVER SYSTEM CONTROLLER SONY BUS INTERFACE IC901 BUS CONTROL IN IC501 (3/3) IC701 J501 (FOR SONY BUS) ILL B+ REMOTE IN RESET RC-IN1 LCD SO 13...

  • Page 21: Note For Printed Wiring Boards And Schematic Diagrams

    6-4. 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 • Y : parts extracted from the conductor side. 50 WV or less are not indicated except for electrolytics •...

  • Page 22: Main Board (Component Side)

    XR-3100R/C33R 6-5. PRINTED WIRING BOARD – MAIN Board (Component Side) – • Semiconductor Location Ref. No. Location Ref. No. Location D702 F-14 D703 D-11 D704 D705 K-10 D706 D707 E-12 D361 IC51 I-11 D441 A-12 IC90 J-10 D481 A-11 IC301...

  • Page 23: Printed Wiring Board - Main Board (Conductor Side)

    XR-3100R/C33R 6-6. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – • Semiconductor Location Ref. No. Location D362 D601 D651 D671 D672 D673 D674 IC611 IC671 Q631 (Page 30)

  • Page 24: Schematic Diagram - Main Board (1/3)

    XR-3100R/C33R 6-7. SCHEMATIC DIAGRAM – MAIN Board (1/3) – • See page 29 for Waveforms. • See page 27 for IC Block Diagrams. (Page 26) (Page 25) (Page 26)

  • Page 25: Schematic Diagram - Main Board (2/3)

    XR-3100R/C33R 6-8. SCHEMATIC DIAGRAM – MAIN Board (2/3) – • See page 29 for Waveforms. (Page (Page 26)

  • Page 26: Schematic Diagram - Main Board (3/3)

    XR-3100R/C33R 6-9. SCHEMATIC DIAGRAM – MAIN Board (3/3) – • See page 28 for IC Block Diagrams. (Page (Page 31) (Page (Page...
  • Page 27 • IC Block Diagrams – MAIN Board – IC1 TB2118F-EL-S 24 23 22 21 16 15 14 13 – 4BIT SWALLOW REGULATOR COUNTER SEEK/RECP SEEK/RECP PRESCALLER 12BIT PHASE PROGRAMMABLE COMPARATOR COUNTER 20BIT IF COUNTER 40BIT SHIFT REFERENCE REGISTER OSCILLATOR DIVIDER 18BIT 22BIT 18BIT...
  • Page 28 IC301 CXA2509AQ-T4 IC361 LB1638M N.C. 24dB OUT1 120µ/70µ + – MSMODE – NR BIAS OUT2 PBFB2 DRSW MODE PBRIN2 TAPE/AUX TAPESW PBREF2 N.C. INSW TAPE EQ PBFIN2 FWD/RVS PBGND MS ON/ DETECT – PBFIN1 MSOUT PBREF1 DGND PBRIN1 PBFB1 MSTC G1FB 120µ/70µ...
  • Page 29 IC671 BA3918-V3 • Waveforms – MAIN Board – – KEY Board – 1 IC1 2 (OSC OUT) 1 IC901 y; OSC REGULATOR 2.7 Vp-p 0.8 Vp-p OVER VOLTAGE PROTECT – 98 ns 27 µ s 2 IC51 5 (OSCI) 2 3 4 3.3 Vp-p IC701 BA8270F-E2 231 ns...

  • Page 30: 6-10. Printed Wiring Board - Key Board

    XR-3100R/C33R 6-10. PRINTED WIRING BOARD – KEY Board – • Semiconductor Location Ref. No. Location D951 (Page 23) • Semiconductor Location Ref. No. Location D902 C-12 D903 B-12 D904 B-11 IC901 Q945...

  • Page 31: Schematic Diagram - Key Board

    XR-3100R/C33R 6-11. SCHEMATIC DIAGRAM – KEY Board – • See page 29 for Waveform. (Page 26)

  • Page 32: 6-12. Ic Pin Function Description

    Tuner system power supply on/off control signal output to the BA3918 (IC671) Key input terminal (A/D input) (LSW921 to LSW923, LSW925 to LSW933) TU-ON Z, PRST –/+ (XR-3100R), PRESET DISC –/+ (XR-C33R), AF/TA, PTY, DSPL, 6, 5, 4 t, “H”: tuner power on KEYIN1 3 PLAY MODE, 2 SET UP, 1 T keys input —...
  • Page 33 KEYACK and eject keys in the power off status On at input of “H” Battery detect signal input from the SONY bus interface (IC701) and battery detect circuit BU-IN “L” is input at low voltage IC701: Used for the XR-C33R only...
  • Page 34 Pin No. Pin Name Description Dolby control in/out terminal At initial mode: valid/invalid selection input of dolby function (valid at “L” input) DOLON At normal mode: dolby on/off control signal output terminal (dolby on at “H” output) Not used this function (fixed at “H”) Tape muting on/off control signal output to the CXA2509AQ (IC301) “H”: muting on TAPE MUTE Active at ATA, FF/REW mode...

  • Page 35: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • Abbreviation • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they AMBER : Amber illumination type may have some difference from the original are seldom required for routine service. Some GREEN : Green illumination type one.
  • Page 36 (2) FRONT PANEL SECTION LCD901 not supplied (KEY board) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-030-835-01 BUTTON (1-6) (OFF. SHIFT. 1. 2. 3. 4. 5. 6) 3-030-830-01 KNOB (VOL) 3-030-837-01 BUTTON (D-BASS) 3-030-832-01 LEVER (S/A) (+. –) 3-030-838-03 BUTTON (RELEASE) * 61 3-030-840-01 PLATE (B), GROUND...
  • Page 37 (3) MECHANISM DECK SECTION (MG-25G-136) HP901 M901 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-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) 3-014-798-01 SCREW (HEAD), SPECIAL * 153 3-019-131-01 LEVER (LDG-B) 3-020-539-01 SPRING (LD-1), TENSION 3-364-151-01 WASHER...

  • Page 38: Electrical Parts List

    SECTION 8 ELECTRICAL PARTS LIST NOTE: • Abbreviation • Due to standardization, replacements in the • Items marked “*” are not stocked since they AMBER : Amber illumination type parts list may be different from the parts speci- are seldom required for routine service. GREEN : Green illumination type Some delay should be anticipated when order- fied in the diagrams or the components used...
  • Page 39 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark LSW932 1-771-609-11 SWITCH, TACTILE (WITH LED) (2, SET UP) R969 1-216-037-00 METAL CHIP 1/10W (GREEN) (AMBER) LSW932 1-771-882-21 SWITCH, TACTILE (WITH LED) (2, SET UP) (AMBER) R975 1-216-029-00 METAL CHIP 1/10W LSW933 1-771-609-11 SWITCH, TACTILE (WITH LED) (1, T)
  • Page 40 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-163-133-00 CERAMIC CHIP 470PF C183 1-164-489-11 CERAMIC CHIP 0.22uF 1-124-233-11 ELECT 10uF C184 1-163-251-11 CERAMIC CHIP 100PF 1-163-009-11 CERAMIC CHIP 0.001uF C201 1-163-263-11 CERAMIC CHIP 330PF 1-164-004-11 CERAMIC CHIP 0.1uF C202 1-163-263-11 CERAMIC CHIP...
  • Page 41 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C612 1-124-233-11 ELECT 10uF D556 8-719-056-82 DIODE UDZ-TE-17-6.2B C613 1-109-982-11 CERAMIC CHIP D557 8-719-056-82 DIODE UDZ-TE-17-6.2B C614 1-107-909-11 ELECT 47uF C616 1-107-823-11 CERAMIC CHIP 0.47uF D558 8-719-056-82 DIODE UDZ-TE-17-6.2B D559 8-719-056-82 DIODE UDZ-TE-17-6.2B C617...
  • Page 42 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > 1-216-097-00 RES, CHIP 100K 1/10W 1-216-057-00 METAL CHIP 2.2K 1/10W 1-764-808-21 JACK (ANT) (FM/AM ANTENNA) 1-216-113-00 METAL CHIP 470K 1/10W J501 1-566-822-41 JACK (REMOTE IN) 1-216-049-11 RES, CHIP 1/10W <...
  • Page 43 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R252 1-216-085-00 METAL CHIP 1/10W R623 1-216-073-00 METAL CHIP 1/10W R271 1-216-033-00 METAL CHIP 1/10W R624 1-216-049-11 RES, CHIP 1/10W R272 1-216-065-00 RES, CHIP 4.7K 1/10W R631 1-249-383-11 CARBON 1/6W R273...
  • Page 44 XR-3100R/C33R MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X501 1-767-833-21 VIBRATOR, CERAMIC (3.68MHz) 3-043-534-41 MANUAL, INSTRUCTION, INSTALL (GERMAN) X502 1-567-098-41 VIBRATOR, CRYSTAL (32.768kHz) (C33R: German) 3-043-535-11 MANUAL, INSTRUCTION, INSTALL (ENGLISH, ************************************************************** SPANISH, SWEDISH, PORTUGUESE)

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