JVC SP-PWS7, Руководство по обслуживанию

Страница: 21 / 87

(No.MB236)1-21
3.3.4 Removing the heat sink BKT
(See Figs.6 and 7)
• Prior to performing the following procedures, remove the am-
plifier assembly and rear panel.
(1) From the left side of the amplifier assembly, remove the
wires from the wire clamp on the heat sink BKT. (See
Fig.6.)
(2) From the left side of the amplifier assembly, remove the
four screws G attaching the heat sink BKT. (See Fig.7.)
(3) Take out the two heat sink BKT.
Reference:
After attaching the heat sink BKT, bundle the wires by the wire
clamp. (See Fig.6)
Fig.6
Fig.7
3.3.5 Removing the mother board
(See Figs.8 and 9)
• Prior to performing the following procedures, remove the am-
plifier assembly, rear panel and heat sink BKT.
(1) From the top side of the amplifier assembly, remove the
two screws H attaching the mother board. (See Fig.8.)
(2) From the left side of the amplifier assembly, disconnect the
wires from the connectors CN102 and CN151 on the moth-
er board. (See Fig.9.)
(3) Disconnect the power cord from the connector CN101 on
the mother board, and take out the power cord. (See Fig.9.)
(4) Disconnect the mother board from the connector CN271 ,
CN272 and CN273 on the amp. board, and take out the
mother board assembly from the amplifier assembly. (See
Fig.9.)
Fig.8
Fig.9
Heat sink BKT
Wire
Amplifier assembly
Wire clamp
Wire
Mother board
G G
Heat sink bracket
Mother board
H H
CN151
CN273
CN102
Mother board
CN101
CN272 CN271
Power cord
Amplifier assembly
Wires