(No.22008)1-9
3.1.7 Removing the system control board
(See Fig.5 and 6)
• Prior to performing the following procedure, remove the top
cover and front panel assembly.
(1) Disconnect the card wires and harness from the connector
CN963
, CN964 and CN981 on the system control board.
(2) Cut off the tie bands fixing the harness.
(3) Disconnect the harness from the connector CN45
on the
power supply 2 board and CN25
on the power/ fuse board.
(4) Disconnect the connector CN324
on the audio signal 2
board and CN234, CN208 on the audio signal 1 board.
(5) Remove the three plastic rivet.
Fig.5
Fig.6
3.1.8 Removing the DSP board & shield cover
(See Fig.7)
• Prior to performing the following procedure, remove the top
cover, rear panel and front panel assembly.
(1) Disconnect the connector CN631
on the DSP board.
(2) Disconnect the connector CN203
on the audio signal 1
board.
And cut off the tie bands fixing the harness.
(3) Removing the two plastic rivet, and disconnect the connec-
tor CN633
, CN643 and CN635 on the DSP board.
(4) Removing the screw G attaching the shield cover and re-
move the shield cover.
Fig.7
CN963
CN981
CN971
CN977
CN983
CN964
CN985
System control board
Plastic rivet
Plastic rivet
CN324
CN25
CN234
CN208
CN224
CN45
(on power
supply 2
board
)
Power/ fuse
board
Audio signal 1 board
Audio signal 2 board
CN203
Tie band
Tie band
Shield cover
Shield cover
Top view
CN631
CN635
CN643
Plastic rivet
DSP board
G
CN203
CN633
Audio signal
1 board