Read Sony XR-C7220 / XR-C7300 / XR-C7300W Service Manual online
MICROFILM
SERVICE MANUAL
US Model
Canadian Model
XR-C7220
E Model
XR-C7300/C7300W
Model Name Using Similar Mechanism
XR-C5100
Tape Transport Mechanism Type
MG-25G-136
SPECIFICATIONS
XR-C7220/C7300/C7300W
For RM-X4S (Remote Commander),
please refer to RM-X4S Service Manual
(9-925-698-
please refer to RM-X4S Service Manual
(9-925-698-
∏
) previously issued.
– Continued on next page –
FM/AM (MW/SW)
CASSETTE CAR STEREO
Photo: XR-C7300
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 trademarks
of Dolby Laboratories Licensing Corporation.
– 2 –
TABLE OF CONTENTS
1.
GENERAL
Location of Controls .......................................................
3
Setting the Clock .............................................................
3
Installation .......................................................................
4
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
6-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 17
6-2. Schematic Diagram – MAIN Section (1/3) – ................. 19
6-3. Schematic Diagram – MAIN Section (2/3) – ................. 21
6-4. Schematic Diagram – MAIN Section (3/3) – ................. 23
6-5. Printed Wiring Board
6-3. Schematic Diagram – MAIN Section (2/3) – ................. 21
6-4. Schematic Diagram – MAIN Section (3/3) – ................. 23
6-5. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 25
6-6. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................ 27
6-7. Printed Wiring Boards – PANEL Section – ................... 29
6-8. Schematic Diagram – PANEL Section – ........................ 31
6-9. IC Pin Function Description ........................................... 35
6-8. Schematic Diagram – PANEL Section – ........................ 31
6-9. IC Pin Function Description ........................................... 35
7.
EXPLODED VIEWS
................................................ 39
8.
ELECTRICAL PARTS LIST
............................... 42
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 e
xtr
acted from
acted from
instruction manual.
– 4 –
