– 2 –
TABLE OF CONTENTS
1.
GENERAL
Location of Controls (XR-3750) ..................................... 3
Location of Controls (XR-C350) ..................................... 4
Installation ....................................................................... 5
Connections ..................................................................... 6
2.
DISASSEMBLY
.......................................................... 10
3.
ASSEMBLY OF MECHANISM DECK
........... 12
4.
MECHANICAL ADJUSTMENTS
....................... 18
5.
ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 18
Tape Deck Section ........................................................... 19
Tuner Section ................................................................... 19
6.
DIAGRAMS
6-1. IC Pin Function Description ............................................ 22
6-2. Printed Wiring Boards –Main Section– ........................... 24
6-3. Schematic Diagram –Main Section– .............................. 27
6-4. Printed Wiring Board –Key Section– ............................. 32
6-5. Schematic Diagram –Key Section– ................................ 34
7.
EXPLODED VIEWS
................................................ 39
8.
ELECTRICAL PARTS LIST
................................ 43
SERVICING NOTES
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.
