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TH-A75
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
Card wires
Rear panel
1-8 (No.22009)
Card wires
CN207
CN209
CN208
CN202
CN201
CN204
Main board
CN206
Fig.12
Fig.13
2.1.7 Removing the amplifier board (See Figs.14 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.14.)
(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.)
K
K
M
L
N
P
M
Amplifier board
CN701
CN702
Fig.14
Fig.15
P
Heat sink
Fig.16
CN703
Rear panel
P
Amplifier board
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