JVC RX-DP20VBK Service Manual page 15

3.2 Power amp. assembly section
3.2.1 Removing the relay board & Rch amp. board & Lch amp. board & Cch amp. board & SL/SRch amp. board
(See Fig.1 to 3)
• Prior to performing the following procedure, remove the power
amp. assembly.
(1) Disconnect the harness from the two connectors on each
thermal compensation board (top side).
(2) Remove the two screws A attaching the relay board.
(3) Disconnect the harness from the five connectors on each
thermal compensation board (bottom side).
(4) Pull up each amp. board of Lch, Cch, SL/SRch and Rch
from the power amp. board with the relay board.
(5) Remove each amp. board from the connector CN721,
CN821, CN781 and CN761 on the relay board.
Fig.1
Lch amp. board
Cch amp. board
Relay board
A
CN713
CN813
CN773
CN753
A
Power amp. board
Connector (on the thermal
compensation board)
Fig.2
Cch amp. board
Lch amp. board
CN721 CN821
CN781
Fig.3
top side
Connector
(on the thermal
compensation
board)
bottom side
CN712
CN812
CN772
CN752
Connector
(on the thermal
compensation
board)
SL/SRch amp. board
Rch amp. board
SL/SRch amp. board
Rch amp. board
CN761
Relay board
(No.22008)1-15