4 - 29
Troubleshooting > Trouble Diagnosis
(2) Setting to service position (B) (Fig. 4-7-6)
Refer to Table 4-7-1 and the MAN and AEL circuit board diagrams: Solder a lead wire of approx. 10
cm to the check point that corresponds to the symptom (except for terminals of IC or connector/
plug).
1) Connect the MAN and AEL circuit boards.
2) Assemble the MAN and AEL circuit boards into R block.
3) Connect the DRF circuit board to MAN circuit board.
4) Connect the SHE circuit board to AEL circuit board.
5) Connect all the connectors on MAN and AEL circuit boards.
6) Connect the front block and AEL circuit board via FAF circuit board.
Information:
Use the remote control for operation of button/joystick from L block that is not connected.
Fig. 4-7-6 Setting to Service Position (B) or (C)
(3) Setting to service position (C) (Figs. 4-7-6, 4-7-7)
Refer to Table 4-7-1 and the MAN and AEL circuit board diagrams: Solder a lead wire of approx. 10
cm to the check point that corresponds to the symptom (except for terminals of IC or connector/
plug).
1) Connect the MAN and AEL circuit boards. (Fig. 4-7-6)
2) Assemble the MAN and AEL circuit boards into R block.
3) Connect the DRF circuit board to MAN circuit board.
4) Connect the SHE circuit board to AEL circuit board.
5) Connect all the connectors on MAN and AEL circuit boards.
6) Connect the front block and AEL circuit board via FAF circuit board.
7) Connect the L block and AEL circuit board via SAF circuit board. (Fig. 4-7-7)
AEL CIRCUIT
BOARD
4
5
DRF CIRCUIT
BOARD
1
R BLOCK
MAN
CIRCUIT
BOARD
2
3
SHE CIRCUIT
BOARD
5
FRONT
BLOCK
FAF
CIRCUIT
BOARD
J D
1
1
53
6
6
5