Sony xr 3690 rds service manual

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XR-3890RDS

SERVICE MANUAL AEP Model

UK Model

Model Name Using Similar Mechanism XR-3700RDS

Tape Transport Mechanism Type MG-36526-32
SP ECIFICATIONS
Cassette player section General
Tape track 4-trark 2-channel stereo Tone controls Bass :8 dB at Mo Hz
Wow and flutter 0.13 % (WRMS) Treble 28 dB at lo kHz
Frequency response 30 - 16,000 Hz Power requirements 12 V DC car battery
Signal-to- noise ratio 55 dB (negative ground)
Dimensions Approx. 186 x 57 x 170 mm
- (w/h/d) not incl.

Tuner section mowing pans and
FM controls
Tuning range 875 - 103-0 MHz Mounting dimension Approx. 182 x 53 x 154 mm
Antenna terminal External antenna connector (w/h/d) not incl.
Intermediate frequency 107 MHz projecting parts and
Usable sensitivity 12 dBf controls
Selectivity 75 dB at 400 kHz Mass Approx 13 kg
Signal-to-noise ratio 60 dB (stereo). Supplied accessories Parts for installation and

65 dB (mono) connections (1 set)
Harmonic distortion at 1 kHz Front panel case (1)

06% (stereo),

0.4% (mono) Design and specifications are subject to clung: without
Separation 30 dB at 1 kHz notice.
Frequency response 30 - 15,000 Hz
Capture ratio 4 dB
Power amplifier section
Outputs Speaker outputs

(sure seal connectors)

Speaker impedance 4 - 8 ohms
Maximum power output 20 W x 4 (at 4 ohms)

FM CASSETTE BAR snzrrn
S ONY;

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TABLE OF CONTENTS

Section M m
1. GENERAL
Button Locations ........................... .
Setting the Clock .................................. 3
Cassette Player Operation .......................... 3
Radio Reception ............................... . . .4
RDS Functions ................................... 5
Other Functions .................................... 6
Connections ........................................ 7
2. DISASSEMBLY
2-1. Cover ............................................ 9
2-2. Sub Panel Assy .................................. 9
2-3, Mechanism Deck Block ..............
2-4. Main Board ....................................
2-5. Switch Board
3. MECHANICAL ADJUSTMENTS .................. 12
4. ELECTRICAL ADJUSTMENTS
Deck Section ...................................... 12
Tuner Section .................................... 13
5. DIAGRAMS
5-1. IC Pin Descriptions ............... . . .16
52 Printed Wiring Boards~Main Section~ .......... 18
5-3. Schematic Diagram-Main Section- ............ 21
5-4. Printed Wiring Board-Panel Section- .......... 25
5-5. Schematic Diagram-Panel Section~ ............ 27
6. EXPLODED VIEWS
6-1. Chassis Section .................................. 31
6-2. Front Panel Section
6-3. Mechanism Section (1) .......................... 33
6-4. Mechanism Section (2) .......................... 34
7. ELECTRICAL PARTS LIST ...................... 35