Sony XR-C453RDS Manual de usuario

FM/MW/LW CASSETTE CAR STEREO

East European Model

Model Name Using Similar Mechanism XR-C450RDS

Tape Transport Mechanism Type MG-25B-136

SPECIFICATIONS

SERVICE MANUAL

XR-C453RDS

For RM-X2S (Remote Commander),

please refer to RM-X2S/X3S Service

Manual (9-960-039-S) previously issued.

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 61 dB (TYPE II, IV)

58 dB (TYPE I)

Tuner section

Tuning range FM1, FM2: 87.5-108.0 MHz

FM3: 65.0-74.0 MHz

Antenna terminal External antenna connector

Intermediate frequency 10.7 MHz

Usable sensitivity 8 dBf

Selectivity 75 dB at 400 kHz

Signal-to-noise ratio 63 dB (stereo)

65 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 2 dB

MW/LW

Tuning range MW: 531-1,602 kHz

LW: 153-281 kHz

Antenna terminal External antenna connector

Intermediate frequency 10.71 MHz/450 kHz

Sensitivity MW: 30 µV

LW: 50 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 Telephone mute control lead

Power amplifier control lead

Power antenna control lead

Line out (1)

Tone controls Bass ± 8 dB at 100 Hz

Treble ± 8 dB at 10 kHz

Power requirements 12 VDC car battery (negative ground)

Dimensions Approx. 188 ×58 ×181 mm (w/h/d)

Mounting dimensions Approx. 182 ×53 ×164 mm (w/h/d)

Mass Approx. 1.2 kg

Supplied accessories Parts for installation and connections (1 set)

Rotary commander RM-X2S (1)

Front panel case (1)

Design and specifications are subject to change without notice.

9-925-636-12 Sony Corporation

2001F0500-1 e Vehicle Company

C2001.6 ShinagawaTec Service Manual Production Group

Ver 1.1 2001.06

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TABLE OF CONTENTS

1. GENERAL

Location of Controls ........................................................ 3

Setting the Clock ............................................................. 3

Using the Rotary Remote ................................................ 4

Adjusting the Sound Characteristics ............................... 4

Muting the Sound ............................................................ 4

Changing the Sound and Beep Tone................................ 4

Installation ....................................................................... 5

Connections ..................................................................... 6

2. DISASSEMBLY.......................................................... 9

3. ASSEMBLY OF MECHANISM DECK ........... 11

4. MECHANICAL ADJUSTMENTS ....................... 14

5. ELECTRICAL ADJUSTMENTS

Test Mode ........................................................................ 14

Tape Deck Section ........................................................... 14

Tuner Section................................................................... 15

6. DIAGRAMS

6-1. Printed Wiring Board – Main Section – ......................... 21

6-2. Schematic Diagram – Main Section (1/2) – .................... 23

6-3. Schematic Diagram – Main Section (2/2) – .................... 27

6-4. Printed Wiring Board – Power Section –........................ 29

6-5. Schematic Diagram – Power Section – .......................... 31

6-6. Printed Wiring Board – Display Section – ..................... 33

6-7. Schematic Diagram – Display Section – ........................ 35

6-8. IC Pin Function Description ............................................ 37

7. EXPLODED VIEWS ................................................ 39

8. ELECTRICAL PARTS LIST................................ 42

SERVICING NOTES

Flexible Circuit Board Repairing

•Keep the temperature of the soldering iron around 270 ˚C during

repairing.

•Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

•Be careful not to apply force on the conductor when soldering or

unsoldering

Notes on chip component replacement

•Never reuse a disconnected chip component.

•Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

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This section is extracted from

instruction manual.

SECTION 1

GENERAL

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Note: Follow the disassembly procedure in the numerical order given.

FRONT PANEL ASS’Y

SECTION 2

DISASSEMBLY

COVER ASS’Y

cover ass’y

Push the button

(release)

Remove the front panel ass’y

to the direction of the arrow

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SUB PANEL, MECHANISM DECK (MG-25B-136)

MAIN BOARD, HEAT SINK

sub panel

connector

(CN352)

screw

(PTT2.6

mechanism deck

(MG-25B-136)

flexible flat cable

(CN351)

three screws

(PTT2.6

three screws

(PTT2.6

eight screws

(PTT2.6

screw

(PTT2.6

two screw

(PTT2.6

heat sink

main board

two ground point

screws

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