Sony HDR XR 105 E Manuale utente

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

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

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.

– 2 –

TABLE OF CONTENTS

1. GENERAL

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

Getting started ................................................................. 3

Setting the Clock ............................................................. 4

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

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

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

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

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

2. DISASSEMBLY.......................................................... 8

3. ASSEMBLY OF MECHANISM DECK ........... 10

4. MECHANICAL ADJUSTMENTS ....................... 13

5. ELECTRICAL ADJUSTMENTS ......................... 13

6. DIAGRAMS

6-1. IC Pin Function Description ............................................ 14

6-2. Printed Wiring Board – MAIN Section – ....................... 19

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 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.

– 3 –

SECTION 1

GENERAL This section is extracted

from instruction manual.

– 4 –

– 5 –

– 6 –

– 7 –

– 8 –

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

FRONT PANEL ASS’Y

SECTION 2

DISASSEMBLY

Push the button

(release).

Remove the front panel ass’y

to the direction of the arrow

COVER ASS’Y

cover ass’y

– 9 –

MAIN BOARD, HEAT SINK

two ground point

screws

seven screws

(PTT2.6

10)

screw

(PTT2.6

heat sink

main board

two screws

(PTT2.6

SUB PANEL, MECHANISM DECK (MG-25A-136) 5

screw

(PTT2.6

mechanism deck

(MG-25A-136)

flexible flat cable

(CN301)

three screws

(PTT2.6

three screws

(PTT2.6

sub panel

connector

(CN302)

– 10 –

SECTION 3

ASSEMBLY OF MECHANISM DECK

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

Install the hanger onto

two claws of the housing.

Install the catch to the hanger.

Holder the hanger by bending the claw.

part

Hold the hanger by

bending the claw.

Put the housing

under

part.

Fit claw on

part.

Fit projection on

part.

Fit projection on

part.

hanger

HOUSING

housing

Move the arm (suction) in the arrow

direction and fit on projection.

Fit the arm (suction) on the shaft.

projection

ARM (SUCTION)

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