1-12 (No.MB294)
3.1.8 Removing the main board
(See Fig.11)
• Prior to performing the following procedures, remove the metal
cover, rear panel, audio & digital input board and tuner.
(1) From the top side of the main body, remove the screw
Q
attaching the wire protection board to the main board.
(2) Take out the wire protection board, and disconnect the
card wires from the connectors (
CN401
to
CN403
) on the
main board.
Reference:
When attaching the wire protection board, attach the
wire protection board after connecting the card wires to
the connectors (
CN401
to
CN403
) on the main board.
(3) Disconnect the card wires from the connectors (
CN450
and
CN460
) on the main board.
(4) Disconnect the parallel wires from the connectors (
CN404
to
CN407
,
CN456
and
CN457
) on the main board.
(5) Remove the two screws
R
and screw
R’
attaching the main
board on the bottom chassis.
Reference:
When attaching the screw
R’
, attach the earth wire with
it.
(6) Take out the main board from the main body.
Fig.11
Main board
R
R'
Q
Bottom chassis
Earth wire
CN404
CN407
CN406
CN405
CN402
CN401
Wire protection board
CN457
CN460
CN456
CN403
CN450
Содержание SP-PWM508
Страница 36: ...1 36 No MB294 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...
Страница 37: ... No MB294 1 37 ...
Страница 44: ...2 4 SHEET 3 Video input output section To System control section SHEET 2 ...
Страница 45: ...2 5 SHEET 4 SHEET 2 SHEET 2 SHEET 2 FL display section ...
Страница 46: ...2 6 SHEET 5 Audio input output section ...
Страница 47: ...2 7 SHEET 6 SHEET 2 SHEET 2 Jack section ...
Страница 53: ...2 13 SHEET 12 Amplifier section To CN121 SHEET 10 To CN122 SHEET 10 ...
Страница 59: ... M E M O ...