Circuit Board Disassembly - Aiwa XD-DV290LHN Service Manual

CIRCUIT BOARD DISASSEMBLY

Note: Before removing the main circuit board, be sure to
shortcircuit the laserdiode output land.
After replacing the main circuit board, open the land after
inserting the flexible connector.
(Refer to Mechanism Disassembly)
4. Main/JACK C.B
1) Remove the top case. (See Fig-1)
2) Release 10 screws (C), and take out the main/JACK
C.B. (See Fig-4)
3) Remove the flexible connectors and the connector from
main circuit board.
4) Then, remove the main JACK C.B.
(C)
JACK C.B
(C)
(C)
Main C.B
Flexible
connector
5. Power C.B
1) Release 4 screws (D). (See Fig-5)
Power Code
(D)
(D)
Power C.B
(C)
Flexible
(C)
connector
(C)
(C)
Fig-4
(D)
(D)
Fig-5
6. TIMER and Key C.B
1) Remove the front panel. (See Fig-3)
2) Release 5 screws (E), and remove the TIMER C.B.
Key C.B
(E)
(C)
(C)
6
(E)
(E)
(E)
(E)
TIMER C.B
Fig-6