JVC EX-D1 Service Manual page 16

3.1.9 Removing the micom board
(See Fig.23)
• Remove the side panels L/R, top panel assembly and rear
panel.
(1) From the right side of the main body, remove the screw T
attaching the micom board.
Reference:
• When attaching the screw T, attach the earth wire with
it.
• After attaching the earth wire, fix it with the spacers as
before.
(2) Disconnect the card wire from the connector
forward side of the micom board.
Reference:
Remove the tuner as required. (See Figs.10 and 11.)
(3) Disconnect the card wire from the connector
forward side of the micom board.
(4) Disconnect the wire from the connector
ward side of the micom board.
(5) Disconnect the connectors (CN423, CN424, CN425) on
the micom board from the regulator and video boards to-
ward this side to remove the micom board.
3.1.10 Removing the regulator board
(See Fig.24)
• Remove the side panels L/R, top panel assembly, tuner, rear
panel, switching power supply, digital amplifier board assem-
bly and micom board.
(1) From the top side of the main body, disconnect the card
wires from the connectors (CN208, CN210) on the regula-
tor board.
Reference:
When connecting the card wire to the connector CN208,
pass it through the hole s of the regulator board as be-
fore.
(2) Remove the two screws U and screw U'.
Reference:
When attaching the screw U', attach the wire holder with
it.
(3) Remove the screw V' to remove the earth wire and take out
the regulator board.
3.1.11 Removing the video board
(See Fig.24)
• Remove the side panels L/R, top panel assembly, tuner, rear
panel, switching power supply, digital amplifier board assem-
bly and micom board.
Reference:
Remove the regulator board as required.
(1) From the top side of the main body, remove the screws V
and screw V'.
Reference:
When attaching the screw V', attach the earth wire with
it.
(2) Take out the video board in the direction of the arrow.
(3) Disconnect the card wire from the connector
video board.
1-16 (No.MB399)
CN421 on the
CN426 on the
CN501 on the for-
CN703 on the
Earth wire
CN426
CN424
CN501
T
Spacers
Fig.23
Video board
Regulator board
U
CN210
U' U
Wire holder
Fig.24
Micom board
CN421
CN423
CN425
V
CN703
s
CN208
Earth wire
V'