JVC TH-C90A Service Manual page 37

3.4.3 Removing the fan motor
(See Fig.6)
• Prior to performing the following procedures, remove the am-
plifier assembly and rear panel.
(1) From the front side of the rear panel, remove the two
screws E attaching the fan motor.
(2) Take out the fan motor.
3.4.4 Removing the mother board
(See Figs.7 to 8)
• Prior to performing the following procedures, remove the am-
plifier assembly and rear panel.
(1) From the top side of the amplifier assembly, disconnect the
wires from the connectors (CN102, CN151) on the mother
board. (See Fig.7)
(2) Disconnect the power cord from the connector
the mother board, and take out the power cord. (See Fig.7)
(3) Remove the two screws F attaching the heat sink bracket.
(See Fig. 8)
(4) Remove the two screws G attaching the mother board.
(See Fig. 8.)
(5) Disconnect the mother board from the connectors (CN271,
CN272 and CN273 on the amp board, and take out the
mother board from the amplifier assembly. (See Fig.8)
E
CN101 on
CN102 CN101
CN272
G
Rear panel
Fig.6
CN151
Fig.7
CN271 CN273
F G F
Fig.8
(No.MB570)1-37
E