JVC RX-D402B Service Manual page 15

3.1.21 Removing the master clock board
(See Fig.16)
• Remove the top cover, tuner, DSP board, PWM modulation 1
board, PWM modulation 2 board and OSD connect 1 board.
(1) From the top side of the main body, remove the tie band
bundling the wires.
Reference:
After reassembling, bundle the wires with a new tie band
as before.
(2) Disconnect the wire from the connector
amplifier board.
(3) Remove the two screws W with a short driver and remove
the transistor hold from the joints n of the heat sink.
(4) Take out the master clock board from the main body.
3.1.22 Removing the HDMI-Regulator board
(See Fig.17)
• Remove the top cover.
(1) From the top side of the main body, disconnect the wire
from the connector CN117
lator board.
(2) Remove the two screws X attaching the HDMI-Regulator
board on the chassis base.
(3) Take out the HDMI-Regulator board from the main body.
CN201 on the main
on the forward side of the regu-
Transistor hold
Tie band n
W
CN201
Main amplifier board
Fig.16
X
HDMI-Regulator board
Chassis base
CN117
HDMI-Regulator board
Fig.17
n
Master clock board
Regulator board
(No.MB448)1-15