JVC TH-A10 Service Manual page 18

TH-A10
Removing the preamplifier board
Prior to performing the following procedure, remove
the heat sink cover and the amplifier cover.
1. Remove the two screws E attaching the preamplifier
board to the bracket.
2. Disconnect connector CN201 on the preamplifier
board from the main amplifier board.
3. Pull out the switch knob.
4. Remove the nut and the two screws F attaching the
bracket.
Removing the power spply & SP terminal
board (See Fig.4and 5)
Prior to performing the following procedure, remove
the heat sink cover and the amplifier cover.
1. Remove the three screws G
stopper braket.
2. Disconnect connector CN210 and CN211 on the
power spply & SP terminal board from the main
amplifier board.
3. Disconnect the power cord from connector CN108
on the power spply & SP terminal board and the
harness from CN107.
1-18
(See Fig.4 to 6)
Preamplifier
board
Power spply &
SP terminal
board
Coard stopper
braket
attaching the coard
Switch knob
Main amplifier board
E
Braket
G
G
Fig.4
Braket
Preamplifier
board
Power spply &
SP terminal
board
CN108
Power cord
Fig.5
Braket
Nut
F
F
Fig.6
Amplifier
assembly
Heat sink
Power
transformer
CN201
Main amplifier
board
CN211
CN210
CN107
Preamplifier
board
CN201