Read Sony XR-4880 Service Manual online
AEP Model
UK Model
Model Name Using Similar Mechanism
XR-C6100R
Tape Transport Mechanism Type
MG-25F-136
SPECIFICATIONS
XR-4880
Photo: XR-4880
FM/MW/LW CASSETTE CAR STEREO
MICROFILM
SERVICE MANUAL
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TABLE OF CONTENTS
1.
GENERAL
Location of Controls ....................................................... 3
Resetting the Unit ........................................................... 4
Detaching the Front Panel ............................................... 4
Setting the Clock ............................................................. 4
Installation ....................................................................... 5
Connections ..................................................................... 6
Resetting the Unit ........................................................... 4
Detaching the Front Panel ............................................... 4
Setting the Clock ............................................................. 4
Installation ....................................................................... 5
Connections ..................................................................... 6
2.
DISASSEMBLY
......................................................... 8
3.
ASSEMBLY OF MECHANISM DECK
............ 10
4.
MECHANICAL ADJUSTMENTS
....................... 13
5.
ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 13
Tape Deck Section .......................................................... 13
Tuner Section .................................................................. 14
Tape Deck Section .......................................................... 13
Tuner Section .................................................................. 14
6.
DIAGRAMS
................................................................. 17
6-1. Printed Wiring Board –MAIN Section– ........................ 19
6-2. Schematic Diagram –MAIN (1/2) Section– .................. 21
6-3. Schematic Diagram –MAIN (2/2) Section– .................. 23
6-4. Printed Wiring Board –PANEL Section– ...................... 25
6-5. Schematic Diagram –PANEL Section– ......................... 27
6-6. IC Pin Function Description ........................................... 29
6-2. Schematic Diagram –MAIN (1/2) Section– .................. 21
6-3. Schematic Diagram –MAIN (2/2) Section– .................. 23
6-4. Printed Wiring Board –PANEL Section– ...................... 25
6-5. Schematic Diagram –PANEL Section– ......................... 27
6-6. IC Pin Function Description ........................................... 29
7.
EXPLODED VIEWS
................................................ 31
8.
ELECTRICAL PARTS LIST
............................... 34
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-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
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