JVC TH-A9 Service Manual page 15

Removing the AV decoder board and
analog input/output board
Prior to performing the following procedure, remove the
left and right side covers.
Also remove the DVD door.
Also remove the front panel assembly and DVD
mechanism base.
Also remove the analog board.
Also remove the gear motor assembly.
Also remove the door arm assembly.
1. Remove the three screws (X) that retain the AV
decoder board cover, from the top of the unit and
remove the screw (X) that retains the analog
input/output board.
2. IF it is required to separate the AV decoder board
from the analog input/output board, unplug the
connectors CN501, CN502 and CN503 on the AV
decoder board from the analog input/output board.
(Note) The analog input/output board can be removed
even when it is engaged with the AV decoder
board.
3. Remove the four screws (Y) that retain the analog
input/output board, from the rear panel of the unit.
This procedure also detaches the rear panel.
(See Figs.28 to 30)
Analog I/O board
X
AV decoder board cover
Fig.28
Analog I/O board
X
Y
Fig.29
CN503
CN501
AV decoder board
Fig.30
X
X
AV decoder board cover
X
X
X
Y
CN502
Analog I/O board
CN101
TH-A9
1-15