JVC RX-DP20VBK Service Manual page 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
(2) Cut off the tie bands fixing the harness.
(3) Disconnect the harness from the connector
power supply 2 board and
(4) Disconnect the connector
board and CN234, CN208
(5) Remove the three plastic rivet.
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
(2) Disconnect the connector
board.
And cut off the tie bands fixing the harness.
(3) Removing the two plastic rivet, and disconnect the connec-
tor CN633, CN643 and
(4) Removing the screw G attaching the shield cover and re-
move the shield cover.
on the system control board.
CN45
CN25 on the power/ fuse board.
CN324 on the audio signal 2
on the audio signal 1 board.
CN631 on the DSP board.
CN203 on the audio signal 1
CN635 on the DSP board.
CN983
CN977
Plastic rivet
on the
CN234
CN224
CN208
CN203
CN324
Top view
CN633
System control board
CN981
CN985
CN963
CN964
Fig.5
Tie band
Audio signal 2 board
Audio signal 1 board
Fig.6
G
Shield cover
Shield cover
CN631
CN643
CN635
Plastic rivet
Fig.7
Plastic rivet
CN971
CN45
(on power
supply 2
)
board
Tie band
CN25
Power/ fuse
board
CN203
Audio signal
1 board
DSP board
(No.22008)1-9