JVC SP-PWM508, Service Manual

Page: 31 / 89

(No.MB294)1-31
3.4.9 Removing the LED board
(See Fig.13)
• 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
wire from the connector CN501 on the LED board.
(2) Remove the two screws R attaching the LED board, take
out the LED board.
Fig.13
3.4.10 Removing the power transformer
(See Fig.14)
• Prior to performing the following procedures, remove the am-
plifier assembly, heat sink bracket and amplifier board.
(1) From the top side of the amplifier assembly, disconnect the
wire from the connectors CN312 and CN321 on the power
board.
(2) Remove the four screws S attaching the power transform-
er, and take out the power transformer from the amplifier
assembly.
Reference:
• When attaching the power transformer, attach the screws S
with wire clamp.
• After connect the wires from the connectors CN312 and
CN321 , bundle the wire by the wire clamp.
Fig.14
LED board
CN501
R
R
Wire clamps
CN312 CN321
Power board Power transformer
S
S