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MICROFILM

EXR-105/XR-3740

SERVICE MANUAL

SPECIFICATIONS

Model Name Using Similar Mechanism

NEW

Tape Transport Mechanism Type

MG-25A-136

US Model

Canadian Model

EXR-105

E Model

XR-3740

Photo: XR-3740

FM/AM CASSETTE CAR STEREO

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

Power amplifier section

Outputs

Speaker outputs
(sure seal connectors)

Speaker impedance

4 – 8 ohms

Maximum power output

35 W 

×

 4 (at 4 ohms)

General

Outputs

Power antenna control lead/
Power amplifier control lead/
Telephone mute control lead (XR-3740 only)
Rear line out (1)

Tone controls

Bass ± 8 dB at 100 Hz
Treble ± 8 dB at 10 kHz

Power requirements

12 V DC car battery (negative ground)

Dimensions

Approx. 188 

×

 58 

×

 184 mm (w/h/d)

Mounting dimensions

Approx. 182 

×

 53 

×

 164 mm (w/h/d)

Mass

Approx. 1.3 kg

Supplied accessories

Parts for installation and connections (1 set)
Front panel case (1)

Design and specifications are subject to change without notice.

Summary of Contents for HDR XR 105 E

Page 1: ...no 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 Power amplifier section Outputs Speaker outputs sure seal connectors Speaker impedance 4 8 ohms Maximum power output 35 W 4 at 4 ohms General Outputs Power antenna control lead Power ampli...

Page 2: ... 6 3 Schematic Diagram MAIN Section 21 6 4 Printed Wiring Board KEY Section 25 6 5 Schematic Diagram KEY Section 27 7 EXPLODED VIEWS 29 8 ELECTRICAL PARTS LIST 32 SERVICING NOTES Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply ...

Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 4: ... 4 ...

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Page 8: ... disassembly procedure in the numerical order given FRONT PANEL ASS Y SECTION 2 DISASSEMBLY 2 1 1 2 1 Push the button release 2 Remove the front panel ass y to the direction of the arrow A A COVER ASS Y 1 2 3 cover ass y ...

Page 9: ...ws PTT2 6 10 1 screw PTT2 6 8 5 heat sink 3 main board 1 two screws PTT2 6 8 SUB PANEL MECHANISM DECK MG 25A 136 5 screw PTT2 6 6 6 mechanism deck MG 25A 136 4 flexible flat cable CN301 1 three screws PTT2 6 8 1 three screws PTT2 6 8 2 sub panel 3 connector CN302 ...

Page 10: ...h to the hanger 7 Holder the hanger by bending the claw A part B part C part D part 8 Hold the hanger by bending the claw 3 Put the housing under A part 4 Fit claw on B part 6 Fit projection on D part 5 Fit projection on C part hanger HOUSING housing 2 Move the arm suction in the arrow direction and fit on projection 1 Fit the arm suction on the shaft projection ARM SUCTION ...

Page 11: ... A shaft B GEAR LDG FT 3 Align hole in the gear LDG D with hole the lever LDG A gear LDG FB hole gear LDG D lever LDG A 2 Move the lever LDG B in the arrow direction 1 tension spring lever LDG 5 gear LDG FT 5 polyethyene washer hole 2 Pull the lever in the arrow direction 3 Fit the lever LDG B on shafts A and B and install it ...

Page 12: ... 12 GUIDE C 2 guide C 1 three claws ...

Page 13: ...d 5 The adjustments should be performed with the power supply voltage unless otherwise noted Torque Measurement Mode Torqu Meter Meter Reading Forward CQ 403A more than 90 g more than 3 18 oz Reverse CQ 403R more than 90 g more than 3 18 oz Tape Tension Measurement SECTION 4 MECHANICAL ADJUSTMENTS Tape Speed Adjustment Procedure 1 Put the set into the FWD PB mode Specification Constant speed Adjus...

Page 14: ...ing L 19 DX_LO O DX local selection control pin 20 AM_MONO O AM forced monaural signal output pin 21 GND GND 22 DSTSEL I Destination setting pin A D input 23 D BASS I D BASS switch input pin A D input 24 25 KEYIN1 KEYIN0 I Key input pin A D input 26 RC_IN0 I Rotary remote commander input pin A D input 27 VSM I FM AM signal meter voltage detection pin A D input 28 AMIFIN I AM MW SW IF input pin 29 ...

Page 15: ...etting pin 57 RC_IN1 I Rotary remote commander input pin A D input 58 PW_SEL I Power select switch input pin 59 MTLIN I AUTO METAL detection pin L METAL Fixed at H in this set 60 AD_ON O Power supply control pin for A D conversion 61 KEYSEL I Key function setting pin 62 SOUTSEL I Active select pin for SEKOUT 63 COLORSEL I Illumination color setting pin L amber H green 64 LCDCE O LCD chip enable ou...

Page 16: ...SMODE DRSW MSSW NC NC LINEOUT2 DIREF AUXIN2 TAPEIN2 PBEQ2 PBOUT2 GND F2 120µ 70µ X1 X1 VCT F1 120µ 70µ 24dB F3 LPF VCC DETECT MS ON OFF FWD RVS TAPE EQ TAPE AUX NR BIAS 24dB MS MODE T2 T1 DECODER LATCH SHIFT REGISTER CONTROL 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 LSELO L4 L3 L2 L1 VDD R1 R2 R3 R4 RSELO RVRIN RCOM R...

Page 17: ...aveform 1 IC501 X IN 1 2 3 4 5 6 7 8 OUT2 VS OUT1 GND IN1 VCC IN2 GND CONTROL CIRCUIT IC611 BA3918 V2 OVER VOLTAGE PROTECT REGULATOR 1 2 3 4 5 6 7 8 9 10 12 11 NC MODE2 MODE1 STB VDD AMP VCC ANT COM AM FM GND 3 2 Vp p 222 ns ...

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Page 21: ...rt No Description Remark Ref No Part No Description Remark 1 3 009 294 01 PANEL SUB 2 3 935 003 01 SPRING TORSION 3 3 932 205 61 DOOR CASSETTE 4 X 3367 636 1 LOCK ASSY 5 3 010 377 01 INSULATOR 6 A 3309 735 A MAIN BOARD COMPLETE EXR 105 6 A 3309 794 A MAIN BOARD COMPLETE XR 3740 7 3 915 923 01 SCREW GROUND POINT 8 X 3373 270 1 COVER ASSY 9 1 776 207 11 CORD WITH CONNECTOR POWER XR 3740 9 1 776 207 ...

Page 22: ...55 X 3373 676 1 PANEL SUB ASSY EXR 105 55 X 3373 677 1 PANEL SUB ASSY XR 3740 56 3 010 383 01 BUTTON SOURCE 57 3 010 384 01 BUTTON M O S r OFF 0 SEEK AMS 58 3 010 386 01 BUTTON B M SEL MUTE SENS 59 3 010 387 01 BUTTON PRESET 6 1 2 3 4 5 6 DSPL 60 3 010 392 01 BUTTON L P LCL PRST 61 3 010 375 01 SHEET REFLECTOR 62 3 010 393 01 PLATE LCD LIGHT GUIDE 63 3 010 394 01 HOLDER LCD 64 3 010 382 01 PANEL F...

Page 23: ...3 364 151 01 WASHER 215 A 3291 919 A CHASSIS ASSY A 216 3 928 675 01 BELT 52 217 3 936 853 01 FLYWHEEL F HP901 1 500 196 21 HEAD MAGNETIC PLAYBACK M901 A 3291 665 A MOTOR ASSY MAIN CAPSTAN REEL 201 A 3291 667 A CLUTCH FR ASSY 202 3 701 437 21 WASHER 203 3 008 883 01 LEVER LDG A 204 3 008 884 01 LEVER LDG B 205 3 008 890 01 SPRING LEVER LDG TENSION 206 3 933 335 01 GEAR LDG FT 207 3 341 753 11 WASH...

Page 24: ...PC uPD µPD CAPACITORS uF µF COILS uH µH When indicating parts by reference number please include the board LSW906 1 762 619 11 SWITCH KEY BOARD WITH LED LSW907 1 762 619 11 SWITCH KEY BOARD WITH LED SEL LSW908 1 762 619 11 SWITCH KEY BOARD WITH LED LSW909 1 762 619 11 SWITCH KEY BOARD WITH LED MUTE LSW910 1 762 619 11 SWITCH KEY BOARD WITH LED DSPL LSW911 1 762 619 11 SWITCH KEY BOARD WITH LED BTM...

Page 25: ... CHIP 0 022uF 10 25V C123 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C124 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C151 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C152 1 124 257 00 ELECT 2 2uF 20 50V C161 1 126 160 11 ELECT 1uF 20 50V C162 1 126 160 11 ELECT 1uF 20 50V C163 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C164 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C165 1 126 157 11 ELECT 10uF 20 16V C166 1 16...

Page 26: ...RAMIC CHIP 100PF 5 50V C909 1 163 181 00 CERAMIC CHIP 100PF 5 50V C910 1 163 251 11 CERAMIC CHIP 100PF 5 50V C912 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C913 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C914 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V CONNECTOR CN301 1 766 260 11 CONNECTOR FFC FPC ZIF 7P CN351 1 506 995 11 PIN CONNECTOR PC BOARD 13P CN701 1 764 422 11 PLUG CONNECTOR 12P CN781 1 774 701 11...

Page 27: ...RESISTOR R1 1 216 049 00 METAL GLAZE 1K 5 1 10W R3 1 216 061 00 METAL CHIP 3 3K 5 1 10W R5 1 216 081 00 METAL CHIP 22K 5 1 10W R7 1 216 109 00 METAL CHIP 330K 5 1 10W R8 1 247 899 11 CARBON 680K 5 1 4W R9 1 216 180 00 METAL GLAZE 180 5 1 8W R10 1 216 073 00 METAL CHIP 10K 5 1 10W R11 1 249 413 11 CARBON 470 5 1 4W R12 1 216 073 00 METAL CHIP 10K 5 1 10W R13 1 216 049 00 METAL GLAZE 1K 5 1 10W R14 ...

Page 28: ... 10W R536 1 216 246 00 METAL GLAZE 100K 5 1 8W R537 1 216 246 00 METAL GLAZE 100K 5 1 8W R538 1 216 097 00 METAL GLAZE 100K 5 1 10W R539 1 216 097 00 METAL GLAZE 100K 5 1 10W R540 1 249 421 11 CARBON 2 2K 5 1 4W R541 1 249 421 11 CARBON 2 2K 5 1 4W R542 1 249 421 11 CARBON 2 2K 5 1 4W R543 1 249 421 11 CARBON 2 2K 5 1 4W R544 1 216 057 00 METAL CHIP 2 2K 5 1 10W R545 1 249 429 11 CARBON 10K 5 1 4W...

Page 29: ...ENGLISH SPANISH CHINESE XR 3740 3 859 569 11 MANUAL INSTRUCTION INSTALL ENGLISH SPANISH CHINESE XR 3740 3 859 569 21 MANUAL INSTRUCTION INSTALL ENGLISH SPANISH CHINESE XR 3740 3 859 570 11 MANUAL INSTRUCTION ENGLISH EXR 105 3 859 570 21 MANUAL INSTRUCTION FRENCH EXR 105 Canadian 3 859 571 11 MANUAL INSTRUCTION INSTALL ENGLISH FRENCH EXR 105 X 3373 371 1 CASE ASSY for FRONT PANEL PARTS FOR INSTALLA...

Page 30: ... 38 Sony Corporation Personal Mobile Communication Company 97B0535 1 Printed in Japan 1997 2 Published by Quality Assurance Dept 9 925 548 11 EXR 105 XR 3740 ...

Page 31: ... Modification 1 MECHANISM DECK MODIFICATION MG 25F 136 The mechanism deck was changed from MG 25A 136 to MG 25F 136 This supplement contains only the assembly of mechanism deck and exploded view New Former Discrimination SPM 98041 Spring 1 place Spring 2 places Former type MG 25A 136 New type MG 25F 136 US Model Canadian Model EXR 105 E Model XR 3740 ...

Page 32: ...n D part 4 Fit claw on B part 3 Put the housing under A part 5 Fit projection on C part 1 Install the catch to the hanger 2 Install the hanger onto two claws of the housing 7 Holder the hanger by bending the claw hanger housing 2 Move the arm suction in the arrow direction and fit on projection 1 Fit the arm suction on the shaft projection 1 1 ASSEMBLY OF MECHANISM DECK ...

Page 33: ... shaft B 2 Fit the lever LDG B on shafts A and B and install it 3 type E stop ring 2 0 gear LDG D 5 gear LDG FT 6 polyethylene washer 2 tension spring LD 2 2 tension spring LD 1 gear LDG FB lever LDG A hole hole 4 Align hole in the gear LDG D with hole the lever LDG A 3 Move the lever LDG B in the arrow direction 1 ...

Page 34: ... 4 2 guide C 1 three claws GUIDE C two precision screws P2 2 capstan reel motor M901 30 MOUNTING POSITION OF CAPSTAN REEL MOTOR M901 ...

Page 35: ...4 04 STOP RING 2 0 TYPE E 7 7 627 553 17 PRECISION SCREW P 2X2 TYPE3 160 161 162 164 165 166 167 151 168 168 159 158 155 156 157 154 153 152 163 HP901 M901 7 6 A A 2 MAIN BOARD MODIFICATION New Former Discrimination Former type 1 664 751 11 New type 1 664 751 12 MAIN BOARD COMPONENT SIDE 2 1 NOTE FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM Note on Schematic Diagram All capacitors are in µF unle...

Page 36: ... J 4 D706 J 5 D707 J 4 D708 J 4 D709 J 4 D721 D 7 D722 E 7 D723 E 7 D724 E 6 D731 E 5 D732 E 6 D733 E 6 D734 E 5 D781 D 10 D782 E 9 D783 E 8 D784 D 8 D785 E 8 IC301 H 3 IC331 E 4 IC351 H 10 IC501 H 6 IC551 I 10 IC611 E 10 IC751 C 6 Q21 G 5 Q22 G 6 Q171 B 3 Q181 B 3 Q271 C 3 Q281 C 3 Q351 H 10 Q352 G 9 Q353 G 9 Q354 G 9 Q355 G 9 Q551 I 3 Q571 F 8 Q581 F 10 Q582 F 10 Q583 F 10 Q601 I 10 Q602 I 9 Q60...

Page 37: ......

Page 38: ...7 11 CERAMIC CHIP 10PF 0 5PF 50V C108 1 126 163 11 ELECT 4 7uF 20 50V C109 1 163 251 11 CERAMIC CHIP 100PF 5 50V C121 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C122 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C123 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C124 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C151 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C152 1 124 257 00 ELECT 2 2uF 20 50V C161 1 126 160 11 ELECT 1u...

Page 39: ...100PF 5 50V C909 1 163 181 00 CERAMIC CHIP 100PF 5 50V C910 1 163 251 11 CERAMIC CHIP 100PF 5 50V C912 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C913 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C914 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V CONNECTOR CN301 1 766 260 11 CONNECTOR FFC FPC ZIF 7P CN351 1 506 995 11 PIN CONNECTOR PC BOARD 13P CN701 1 764 422 11 PLUG CONNECTOR 12P CN781 1 774 701 11 PIN CONNEC...

Page 40: ...5 1 10W R3 1 216 061 00 METAL CHIP 3 3K 5 1 10W R5 1 216 081 00 METAL CHIP 22K 5 1 10W R7 1 216 109 00 METAL CHIP 330K 5 1 10W R8 1 247 899 11 CARBON 680K 5 1 4W R9 1 216 180 00 RES CHIP 180 5 1 8W R10 1 216 073 00 METAL CHIP 10K 5 1 10W R11 1 249 413 11 CARBON 470 5 1 4W R12 1 216 073 00 METAL CHIP 10K 5 1 10W R13 1 216 049 11 RES CHIP 1K 5 1 10W R14 1 216 049 11 RES CHIP 1K 5 1 10W R21 1 216 057...

Page 41: ... 100K 5 1 10W R533 1 216 097 00 RES CHIP 100K 5 1 10W R535 1 216 097 00 RES CHIP 100K 5 1 10W R536 1 216 246 00 RES CHIP 100K 5 1 8W R537 1 216 246 00 RES CHIP 100K 5 1 8W R538 1 216 097 00 RES CHIP 100K 5 1 10W R539 1 216 097 00 RES CHIP 100K 5 1 10W R540 1 249 421 11 CARBON 2 2K 5 1 4W R541 1 249 421 11 CARBON 2 2K 5 1 4W R542 1 249 421 11 CARBON 2 2K 5 1 4W R543 1 249 421 11 CARBON 2 2K 5 1 4W ...

Page 42: ... 16 EXR 105 XR 3740 Sony Corporation Personal Mobile Communication Company 9 925 548 81 98G0536 1 Printed in Japan 1998 7 Published by Quality Assurance Dept ...

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