Read Sony XR-C7203SP Service Manual online
MICROFILM
SERVICE MANUAL
FM/MW/LW CASSETTE CAR STEREO
East European Model
Model Name Using Similar Mechanism
XR-C653SP
Tape Transport Mechanism Type
MG-25D-136
SPECIFICATIONS
XR-C7203SP
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol
a
are trade-
marks of Dolby Laboratories Licensing Corporation.
For RM-X2S (Remote Commander),
please refer to RM-X2S/X3S Service
Manual (9-960-039-
please refer to RM-X2S/X3S Service
Manual (9-960-039-
∏
) previously issued.
– 2 –
TABLE OF CONTENTS
1.
GENERAL
Location of Controls .......................................................
3
Installation .......................................................................
5
Connections .....................................................................
7
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
Tape Deck Section .......................................................... 14
Tuner Section .................................................................. 15
6.
DIAGRAMS
6-1. IC Pin Function Description ........................................... 19
6-2. Printed Wiring Board – MAIN Section – ...................... 24
6-3. Schematic Diagram – MAIN Section – .......................... 29
6-4. Printed Wiring Boards – PANEL Section – .................. 33
6-5. Schematic Diagram – PANEL Section – ....................... 35
6-2. Printed Wiring Board – MAIN Section – ...................... 24
6-3. Schematic Diagram – MAIN Section – .......................... 29
6-4. Printed Wiring Boards – PANEL Section – .................. 33
6-5. Schematic Diagram – PANEL Section – ....................... 35
7.
EXPLODED VIEWS
................................................ 40
8.
ELECTRICAL PARTS LIST
............................... 43
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.
– 3 –
SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
– 4 –