Table Of Contents - Sony XR-C7500R Service Manual
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Also See for XR-C7500R:
- Installation/connections (2 pages) ,
- Operating instructions manual (212 pages) ,
- Service manual (52 pages)
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TABLE OF CONTENTS
1.
SERVICING NOTES
2.
Location of Controls ....................................................... 3
Setting the Clock ............................................................. 3
Installation ....................................................................... 4
Connections ..................................................................... 6
3.
......................................................... 10
4.
5.
6.
Test Mode ........................................................................ 15
Tape Deck Section .......................................................... 16
Tuner Section .................................................................. 16
7.
7-1. Block Diagram - TUNER/TAPE Section - ................... 17
7-2. Block Diagram - MAIN Section - ................................. 18
- DISPLAY/KEY CONTROL Section - ........................ 19
- BUS CONTROL/POWER SUPPLY Section - ........... 20
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L 13942296513
7-6. Printed Wiring Board
- Main Board (Component Side) - ................................ 22
- Main Board (Conductor Side) - .................................. 23
7-8. Schematic Diagram - Main Board (1/4) - ..................... 24
7-9. Schematic Diagram - Main Board (2/4) - ..................... 25
7-10. Schematic Diagram - Main Board (3/4) - ..................... 26
7-11. Schematic Diagram - Main Board (4/4) - ..................... 27
7-12. Printed Wiring Board - SUB Board - ........................... 28
7-13. Schematic Diagram - SUB Board - ............................... 28
7-14. Printed Wiring Board - KEY Board - ........................... 30
7-15. Schematic Diagram - KEY Board - .............................. 31
7-16. IC Pin Function Description ........................................... 34
8.
9.
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.
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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.
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SECTION 1
SERVICING NOTES
8
MODEL IDENTIFICATION
The XR-C7500R and XR-C7500RX have three types of MAIN
boards respectively.
- MAIN BOARD (Conductor Side) -
TUX1
TYPE A TYPE B TYPE C
×
R606
a
×
R607
a
Q Q
3
6 7
1 3
u163
.
2 9
9 4
2 8
R607
R606
CN201
a
a
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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