JVC TH-A75R Service Manual page 9

2.1.6 Removing the main board (See Figs.12 and 13.)
• Remove the top cover.
• Remove the DSP board.
• Remove the tuner.
(1) From the top side of the main body, disconnect the card
wires from the connectors (CN201, CN202, CN204,
CN206-CN209) on the main board. (See Fig.12.)
(2) Remove the screw J and two screws K attaching the main
board. (See Fig.12.)
(3) From the back side of the main body, remove the five
screws L attaching the main board. (See Fig.13.)
J
Main board
Card wires
Rear panel
Card wires
K
CN207
CN209
CN208
CN202
CN201
CN204
K
CN206
Fig.12
L
Fig.13
2.1.7 Removing the amplifier board (See Figs.13 to 16.)
• Remove the top cover.
(1) From the top side of the main body, disconnect the card
wires from the connectors CN701 and CN702 on the am-
plifier board (See Fig.14.)
(2) Remove the three screws M attaching the amplifier board.
(See Fig.13.)
(3) From the back side of the main body, remove the four
screws N attaching the amplifier board. (See Fig.15.)
(4) Disconnect the connector CN703 on the amplifier board,
take out the amplifier board. (See Fig.14.)
(5) Remove the six screws P attaching the heat sink to the am-
plifier board. (See Fig.16.)
M
Amplifier board
M
CN701 CN702
N
P
P
CN703
Fig.14
Rear panel
Fig.15
Heat sink
Amplifier board
Fig.16
(No.21189)1-9
TH-A75R
P