XR-4900 - Sony Car Audio Service Manual (repair manual)

xr-4900 service manual
Model
XR-4900
Pages
35
Size
2.41 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xr-4900.pdf
Date

Read Sony XR-4900 Service Manual online

E Model
Model Name Using Similar Mechanism
XR-C5100
Tape Transport Mechanism Type
MG-25F-136
SPECIFICATIONS
XR-4900
FM/MW/SW CASSETTE CAR STEREO
– Continued on next page –
SERVICE MANUAL
Ver 1.1  2002.01
9-926-444-12
Sony Corporation
2002A0500-1
e Vehicle Company
C
 2002.1
Published by Sony Engineering Corporation
– 2 –
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
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
................................................................. 18
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 ........................................... 31
7.
EXPLODED  VIEWS
................................................ 33
8.
ELECTRICAL  PARTS  LIST
............................... 36
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 –
Page of 35
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Download Sony XR-4900 Service Manual (Repair Manual)

Here you can read online and download Sony XR-4900 Service Manual in PDF. XR-4900 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony XR-4900 Car Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.