Sony XRC-4100 Service manual
XR-C4100
SERVICE MANUAL
SPECIFICA TIONS
AEP Model
UK Model
Model Name Using Similar Mechanism XR-5800R
Tape T ransport Mechanism T ype MG-25G-136
MICROFILM
FM/MW/LW CASSET TE CAR STEREO
TABLE OF CONTENTS
1. GENERAL
Location of Controls ....................................................... 3
Resetting the Unit ........................................................... 4
Detaching the Front Panel............................................... 4
Preparing the Rotary Commander .................................. 4
Setting the Clock ............................................................. 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. IC Pin Function Description ........................................... 18
6-2. Printed Wiring Boards –MAIN Section– ....................... 21
6-3. Schematic Diagram –MAIN Section–........................... 25
6-4. Printed Wiring Board –PANEL Section– ...................... 29
6-5. Schematic Diagram –PANEL Section– ......................... 31
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.
7. EXPLODED VIEWS ................................................ 35
8. ELECTRICAL PARTS LIST ............................... 38
– 2 –
SECTION 1
GENERAL
This section is extracted from
instruction manual.
– 3 –
– 4 –
– 5 –
– 6 –
– 7 –
– 8 –
SECTION 2
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
FRONT PANEL ASS’Y
1
Push the button
(release).
COVER ASS’Y
1
2
Remove the front panel ass'y
to the direction of the arrow A.
2
A
3
cover ass'y
– 9 –
2
1
SUB PANEL, MECHANISM DECK (MG-25G-136)
3
connector
(CN351)
2
sub panel
1
three screws
(PTT2.6
×
8)
5
screw
(PTT2.6
×
6)
6
mechanism deck
(MG-25G-136)
4
flexible flat cable
(CN301)
1
three screws
(PTT2.6
MAIN BOARD, HEAT SINK
3
two ground point
screws
×
8)
4
main board
6
heat sink
5
screw (PTT2.6 × 10)
2
rubber cap (25)
1
screw (PTT2.6 × 8)
5
screw (PTT2.6 × 10)
5
six screws
(PTT2.6
×
10)
– 10 –
1
two screws
(PTT2.6
×
8)
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 –
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