Sony XRC-6103-SP Service manual

XR-C6103SP

SERVICE MANUAL

Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.

SPECIFICA TIONS

East European Model

Model Name Using Similar Mechanism NEW
Tape T ransport Mechanism T ype MG-25F-136

MICROFILM

– Continued on next page –

FM/MW/LW CASSETTE CAR STEREO

TABLE OF CONTENTS

1. GENERAL ................................................................... 3

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. IC Pin Function Description ........................................... 19

6-2. Printed Wiring Board – MAIN Section –...................... 23

6-3. Schematic Diagram – MAIN Section –.......................... 27

6-4. Printed Wiring Board – PANEL Section –.................... 31

6-5. Schematic Diagram – PANEL Section – ....................... 33

7. EXPLODED VIEWS ................................................ 38

8. ELECTRICAL PARTS LIST ............................... 41

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 dam­aged by heat.

– 2 –

SECTION 1

GENERAL

This section is extracted from
instruction manual.

– 3 –

– 4 –

– 5 –

– 6 –

– 7 –

– 8 –

SECTION 2

3

cover ass’y

1

2

2

1

DISASSEMBLY

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

FRONT PANEL ASS’Y

1

Push the button
(release)

COVER ASS’Y

2

Remove the front panel ass’y
to the direction of the arrow

A

A

.

– 9 –

)

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

3

connector
(CNP331)

2

sub panel

5

screw
(PTT2.6

6

mechanism deck
(MG-25F-136)

4

×

6)

flexible flat cable
(CNP301)

1

three screws
(PTT2.6

×

6)

1

MAIN BOARD, HEAT SINK

3

two ground point
screws

4

main board

three screws
(PTT2.6

×

6)

6

heat sink

2

rubber cap (25)

1

screw
(PTT2.6

5

eight screws
(PTT2.6

×

6)

×

10

– 10 –

1

two screws
(PTT2.6

×

6)

SECTION 3

2

Move the arm (suction) in the arrow
direction and fit on projection.

1

Fit the arm (suction) on the shaft.

projection

ASSEMBLY OF MECHANISM DECK

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

HOUSING

4

Fit claw on B part.

3

Put the housing
under A part.

housing

5

Fit projection on C part.

2

Install the hanger onto
two claws of the housing.

C

part

7

Holder the hanger by bending the claw.

1

Install the catch to the hanger.

hanger

6

Fit projection on D part.

8

Hold the hanger by
bending the claw.

D

part

ARM (SUCTION)

A

part

B

part

– 11 –

LEVER (LDG-A) / (LDG-B)

shaft

A

shaft

1

Fit the lever (LDG-A) on
shafts A – C and install it.

B

shaft

C

3

type-E stop ring 2.0

shaft

A

Fit the lever (LDG-B) on

2

shafts
install it.

A

and B and

shaft

B

GEAR (LDG-FT)

hole

hole

4

gear (LDG-D)

lever (LDG-A)

gear (LDG-FB)

Align hole in the gear (LDG-D)
with hole the lever (LDG-A)

2

tension spring (LD-2)

5

gear (LDG-FT)

1

6

polyethylene washer

2

tension spring (LD-1)

– 12 –

3

Move the lever (LDG-B)
in the arrow direction.