JVC RX-7030VBK Service Manual page 6

2.5 Removing the tuner, DSP board, audio board, video board and S-video board
(See Fig.6)
• Prior to performing the following procedures, remove the top
cover, rear panel and I/O board.
(1) Disconnect the card wire from the connector CN314 on the
audio board from the top side of the main body, take out the
tuner.
(2) (2) Disconnect the DSP board from the connector CN601
on the micon board.
(3) Disconnect the audio board from the connectors
(CN101,CN303) on the micon board.
(4) Disconnect the video board from the connector CN201 on
the micon board.
(5) Disconnect the S-video board from the connector CN241
on the micon board.
2.6 Removing the micon board
(See Fig.7)
• Prior to performing the following procedures, remove the top
cover, rear panel, I/O board, tuner, DSP board, audio board,
video board and S-video board.
(1) From the top side of the main body, disconnect the card
wire from the connector CN400 on the micon board.
(2) Disconnect the relay board from the connectors CN81 on
the micon board.
(3) Disconnect the parallel wire from the connectors CN931
and CN932 on the micon board.
(4) Disconnect the parallel wire from the connector CN831 on
the main board.
(5) Remove the three screws H attaching the micon board.
(6) Remove the three screws J attaching the transistors
(Q921,Q931,Q941) to the chassis base.
(7) Loosen the screw K attaching the micon board.
1-6 (No.22058)
Card wire
CN314
CN303
CN101
DSP board
CN601
Video board
Audio board
J
Card
wire
H
CN400
H
Micon board
Transistors
(Q921,Q931,Q941)
CN201 CN241
Micon board
S-video board
Fig.6
Main board
CN831
Relay
board
K
Chassis
base
CN931
CN81
CN932
H
Fig.7
Tuner