JVC RX-8010RBK Service Manual page 8

RX-8010RBK/ RX-8012RSL
Removing the system control board /
power switch board (See Fig.20 to 22)
Prior to performing the following procedure, remove
the top cover and the front panel assembly.
1. Pull out the volume knob on the front side of the front
panel and remove the nut attaching the system
control board.
2. Remove the two screws P
switch board.
3. Remove the two screws Q
board.
4. Remove the cords from the three hooks a.
5. Remove the eight screws R attaching the system
control board on the back of the front panel.
6. On the back of the front panel, release the four joints
by pushing the joint tabs inward.
Remove the operation switch panel toward the front.
7. Disconnect the harness from connector CN420 and
CN422 on the system control board.
8. Release the two hooks b attaching the system
control board.
Matters that require attention during
replacement of IC400 (See Fig.24 and 25)
In case where there is a resistance array:
Both onetime IC and mask IC can be used
In case where there is no resistance array:
Only mask IC can be used
1-8
Operation switch panel
attaching the power
attaching the switch
Q
Fig.20
Switch
board
R
Joint
Joint
Fig.21
CN420
Hook b
Fig.22
System control board reverse side
Fig.24
System control board top view
Resistance array
Fig.25
Front panel assembly
Nut
Volume knob
Power switch
board
R Cords
R
Joint
Joint
Hook a
System control board
Hook b
CN422
IC400
P