Download
Share
Print this page
Sony EXR-105 Service Manual
  1. Manuals
  2. Brands
  3. Sony Manuals
  4. Car Receiver
  5. HDR XR 105 E
  6. Service manual
Sony EXR-105 Service Manual

Sony EXR-105 Service Manual

Fm/am cassette car stereo
Hide thumbs Also See for EXR-105:

Advertisement

Quick Links

Download this manual
EXR-105/XR-3740
SERVICE MANUAL
Cassette player section
Tape track
4-track 2-channel stereo
Wow and flutter
0.08% (WRMS)
Frequency response
30 – 18,000 Hz
Signal-to-noise ratio
58 dB
Tuner section
FM
Tuning range
87.5 – 107.9 MHz
Aerial terminal
External antenna connector
Intermediate frequency
10.7 MHz
Usable sensitivity
8 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
65 dB (stereo),
68 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo),
0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
Capture ratio
2dB
AM
Tuning range
530 – 1,710 kHz
Antenna terminal
External antenna connector
Intermediate frequency
10.71 MHz/450 kHz
Sensitivity
30 µV
MICROFILM
Photo: XR-3740
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
Power amplifier section
Outputs
Speaker impedance
Maximum power output 35 W × 4 (at 4 ohms)
General
Outputs
Tone controls
Power requirements
Dimensions
Mounting dimensions
Mass
Supplied accessories
Design and specifications are subject to change without notice.
FM/AM CASSETTE CAR STEREO
US Model
Canadian Model
E Model
MG-25A-136
Speaker outputs
(sure seal connectors)
4 – 8 ohms
Power antenna control lead/
Power amplifier control lead/
Telephone mute control lead (XR-3740 only)
Rear line out (1)
Bass ± 8 dB at 100 Hz
Treble ± 8 dB at 10 kHz
12 V DC car battery (negative ground)
Approx. 188 × 58 × 184 mm (w/h/d)
Approx. 182 × 53 × 164 mm (w/h/d)
Approx. 1.3 kg
Parts for installation and connections (1 set)
Front panel case (1)
EXR-105
XR-3740
NEW

Advertisement

loading

Related Manuals for Sony EXR-105

Summary of Contents for Sony EXR-105

  • Page 1 EXR-105/XR-3740 SERVICE MANUAL US Model Canadian Model EXR-105 E Model XR-3740 Photo: XR-3740 Model Name Using Similar Mechanism Tape Transport Mechanism Type MG-25A-136 SPECIFICATIONS Cassette player section Power amplifier section Tape track 4-track 2-channel stereo Outputs Speaker outputs Wow and flutter 0.08% (WRMS)

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICING NOTES GENERAL Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270 ˚ C dur- Location of Controls ............3 Getting started ..............3 ing repairing. • Do not touch the soldering iron on the same conductor of the Setting the Clock .............
  • Page 3 SECTION 1 This section is extracted from instruction manual. GENERAL – 3 –...
  • Page 4 – 4 –...
  • Page 5 – 5 –...
  • Page 6 – 6 –...
  • Page 7 – 7 –...

  • Page 8: Disassembly

    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 9 SUB PANEL, MECHANISM DECK (MG-25A-136) 5 screw (PTT2.6 × 6) 3 connector (CN302) 6 mechanism deck (MG-25A-136) 4 flexible flat cable (CN301) 2 sub panel 1 three screws (PTT2.6 × 8) 1 three screws (PTT2.6 × 8) 4 seven screws MAIN BOARD, HEAT SINK (PTT2.6 ×...

  • Page 10: 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. 2 Install the hanger onto 1 Install the catch to the hanger. two claws of the housing.
  • Page 11 LEVER (LDG-A) / (LDG-B) shaft A shaft A 2 Pull the lever in the shaft B arrow direction. shaft C shaft B 1 Fit the lever (LDG-A) on 4 type-E stop ring 2.0 shafts A – C and install it. 3 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 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 idlers Procedure: 2. Demagnetize the playback head with a head demagnetizer. 1.

  • Page 14: Diagrams

    SECTION 6 DIAGRAMS 6-1. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC501 µD17708GC-545-3B9 (MASTER CONTROLLER) Pin No. Pin Name Function ILLIN ILLIN signal detection pin 2, 3 POS3, POS2 Tape position detection pin 4, 5 POS0, POS1 TAPEON Tape power supply control pin CM_ON Capstan motor control pin LM_LOD...
  • Page 15 Clock input pin (for SONY BUS) UNISO Data output pin (for SONY BUS) UNISI Data input pin (for SONY BUS) (Fixed at “L” in this set) UNICKO Clock output pin (for SONY BUS) BUSON BUS ON control signal output pin (for SONY BUS)
  • Page 16 • IC Block Diagrams (MAIN BOARD) IC301 CXA2509AQ-T4 24dB 120µ/70µ + – MSMODE – NR BIAS PBFB2 DRSW MODE PBRIN2 TAPE/AUX TAPESW PBREF2 INSW TAPE EQ PBFIN2 FWD/RVS PBGND MS ON/ DETECT – MSOUT PBFIN1 PBREF1 DGND PBRIN1 PBFB1 MSTC G1FB 120µ/70µ...
  • Page 17 • Waveform IC351 MM1322XFBE 1 IC501 &¶ (X-IN) 8 OUT2 3.2 Vp-p OUT1 222 ns IC611 BA3918-V2 REGULATOR OVER VOLTAGE PROTECT – 2 3 4 – 17 –...

  • Page 21: Exploded Views

    * 11 3-009-815-01 HEAT SINK (BUS NON) 3-010-377-01 INSULATOR 9-911-840-XX CUSHION (U) * 13 3-009-813-01 CHASSIS A-3309-735-A MAIN BOARD, COMPLETE (EXR-105) A-3309-794-A MAIN BOARD, COMPLETE (XR-3740) * 14 3-012-859-01 CAP (25), RUBBER 3-915-923-01 SCREW, GROUND POINT 3-937-650-01 PLATE (C), GROUND...
  • Page 22 3-010-398-01 BUTTON (RELEASE) 3-010-392-01 BUTTON (L. P) (LCL. –. PRST. +) 3-010-395-01 SPRING (RELEASE) * 61 3-010-375-01 SHEET (REFLECTOR) X-3373-676-1 PANEL SUB ASSY (EXR-105) * 62 3-010-393-01 PLATE (LCD), LIGHT GUIDE X-3373-677-1 PANEL SUB ASSY (XR-3740) * 63 3-010-394-01 HOLDER (LCD)
  • Page 23 (3) MECHANISM DECK SECTION (MG-25A-136) HP901 M901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3291-667-A CLUTCH (FR) ASSY 3-008-874-02 CATCHER 3-701-437-21 WASHER 3-933-344-01 GUIDE (C) * 203 3-008-883-01 LEVER (LDG-A) 3-927-100-01 SCREW (+PS 2X10), SPECIAL * 204 3-008-884-01 LEVER (LDG-B) 3-364-151-01 WASHER...
  • Page 24 SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • SEMICONDUCTORS When indicating parts by reference number, please include the board. parts list may be different from the parts speci- In each case, u: µ, for example: fied in the diagrams or the components used on uA.
  • Page 25 1-126-163-11 ELECT 4.7uF 20% 50V SW951 1-762-937-11 SWITCH, ROTARY (D-BASS) C182 1-163-009-11 CERAMIC CHIP 0.001uF 10% 50V ************************************************************ A-3309-735-A MAIN BOARD, COMPLETE (EXR-105) C183 1-163-251-11 CERAMIC CHIP 100PF A-3309-794-A MAIN BOARD, COMPLETE (XR-3740) C191 1-163-251-11 CERAMIC CHIP 100PF C201 1-163-125-00 CERAMIC CHIP...
  • Page 26 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C358 1-163-251-11 CERAMIC CHIP 100PF C359 1-164-489-11 CERAMIC CHIP 0.22uF 10% 16V < SPARK GAP CAPACITOR > C501 1-163-235-11 CERAMIC CHIP 22PF C502 1-163-234-11 CERAMIC CHIP 20PF 1-519-504-11 GAP, DISCHARGE C503 1-124-584-00 ELECT...
  • Page 27 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > JC161 1-216-295-00 CONDUCTOR, CHIP (2012) JC162 1-216-295-00 CONDUCTOR, CHIP (2012) 1-216-049-00 METAL GLAZE 1/10W JC163 1-216-296-00 CONDUCTOR, CHIP (3216) 1-216-061-00 METAL CHIP 3.3K 1/10W JC251 1-216-296-00 CONDUCTOR, CHIP (3216)
  • Page 28 1-208-806-11 METAL GLAZE 0.5% 1/10W (XR-3740) R710 1-216-025-00 METAL GLAZE 1/10W R513 1-208-826-11 METAL GLAZE 1/10W R721 1-216-134-00 METAL CHIP 1/8W (EXR-105) R722 1-216-134-00 METAL CHIP 1/8W R514 1-208-526-41 METAL GLAZE 1/10W (XR-3740) R723 1-216-134-00 METAL CHIP 1/8W R514 1-216-699-11 METAL CHIP 100K 0.5% 1/10W...
  • Page 29 X-3370-077-1 SCREW ASSY (AE. KEY), FITTING (XR-3740) 3-386-828-01 SCREW, FITTING (XR-3740) 3-349-410-01 BUSHING (XR-3740) 3-388-078-01 KEY (XR-3740) 3-924-961-01 SUPPORT (ND), FITTING (EXR-105) X-3370-076-1 SCREW ASSY (KEY), FITTING (EXR-105) 7-682-560-04 SCREW +P 4X6 (EXR-105) 3-926-426-01 KEY (EXR-105) 3-934-325-01 SCREW, +K (5X8) TAPPING 1-776-207-11 CORD (WITH CONNECTOR) (POWER)
  • Page 30 EXR-105/XR-3740 Sony Corporation 97B0535-1 9-925-548-11 Personal & Mobile Communication Company Printed in Japan © 1997. 2 Published by Quality Assurance Dept. – 38 –...
  • Page 31 EXR-105/XR-3740 US Model Canadian Model SERVICE MANUAL EXR-105 E Model XR-3740 SUPPLEMENT-1 File this supplement with the service manual. Subject: 1. Mechanism Deck Modification (MG-25F-136) 2. Main Board Modification (SPM-98041) 1. MECHANISM DECK MODIFICATION (MG-25F-136) The mechanism deck was changed from MG-25A-136 to MG-25F-136.
  • Page 32 1-1. 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 33 LEVER (LDG-A) / (LDG-B) shaft A shaft A shaft B shaft C shaft B 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 34 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˚ – 4 –...
  • Page 35 1-500-157-21 HEAD, MAGNETIC (PLAYBACK) • Abbreviation * 159 3-020-532-01 ARM (SUCTION) M901 A-3291-665-A MOTOR ASSY, MAIN (CAPSTAN/REEL) : EXR-105 3-020-534-01 HANGER 7-624-104-04 STOP RING 2.0 TYPE-E 3740 : XR-3740 3-933-346-01 CATCHER 7-627-553-17 PRECISION SCREW +P 2X2 TYPE3 – 5 –...
  • Page 36 EXR-105/XR-3740 2-2. PRINTED WIRING BOARD – MAIN Section – • Semiconductor Location Ref. No. Location D301 D351 D352 G-10 D501 D502 D551 D552 D553 D571 D572 D582 F-10 D583 E-10 D601 I-10 D621 D622 D701 D702 D703 D704 D705 D706...

  • Page 38: Electrical Parts List

    F: nonflammable uH: µH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3309-735-A MAIN BOARD, COMPLETE (EXR-105) C162 1-126-160-11 ELECT A-3309-794-A MAIN BOARD, COMPLETE (XR-3740) C163 1-164-182-11 CERAMIC CHIP 0.0033uF 10% ********************* C164 1-163-037-11 CERAMIC CHIP 0.022uF...
  • Page 39 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C306 1-163-021-11 CERAMIC CHIP 0.01uF < CONPOSITION CIRCUIT BLOCK > C331 1-124-584-00 ELECT 100uF 1-519-504-11 GAP, DISCHARGE C332 1-124-234-00 ELECT 22uF C353 1-163-251-11 CERAMIC CHIP 100PF < DIODE > C354 1-124-233-11 ELECT 10uF...
  • Page 40 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SHORT > Q621 8-729-027-23 TRANSISTOR DTA114EKA-T146 1-216-296-00 SHORT Q622 8-729-120-28 TRANSISTOR 2SC1623-L5L6 1-216-295-00 SHORT 1-216-295-00 SHORT < RESISTOR > 1-216-296-00 SHORT JC151 1-216-296-00 SHORT 1-216-049-11 RES, CHIP 1/10W 1-216-061-00 METAL CHIP 3.3K...
  • Page 41 1-249-429-11 CARBON 1/4W R706 1-216-206-00 RES, CHIP 2.2K 1/8W R513 1-208-826-11 RES, CHIP 1/10W R707 1-216-049-11 RES, CHIP 1/10W (EXR-105) R708 1-208-806-11 RES, CHIP 0.50% 1/10W R513 1-216-699-11 METAL CHIP 100K 0.5% 1/10W R709 1-208-806-11 RES, CHIP 0.50% 1/10W (XR-3740)
  • Page 42 EXR-105/XR-3740 Sony Corporation 98G0536-1 9-925-548-81 Personal & Mobile Communication Company Printed in Japan © 1998. 7 – 16 – Published by Quality Assurance Dept.

This manual is also suitable for:

Xr-3740