Hitachi DZ-MV580A Service Manual page 63

Troubleshooting > Trouble Diagnosis
(4) Setting to service position (D)
Service position (D) is used for trouble
diagnosis of the LCD monitor.
Remove the LCD case-U, MR circuit board and
fulcrum block in advance, referring to "5.
Disassembly and Reassembly".
1) Connect the flat cable of fulcrum block to
LCD and AEL-H/AEL circuit boards.
2) Connect the MR circuit board to LCD circuit
board.
(a) Fulcrum block
(b) LCD circuit board
(c) AEL-H/AEL circuit board
(d) MR circuit board
(e) MAN-H/MAN circuit board
1)
(c)
(a)
Fig. 4-7-12 Setting to service position (D)
4 - 40
AEL-H/AEL
FULCRUM
CIRCUIT
BLOCK
BOARD
Fig. 4-7-11 Service Position (D)
(e)
(b)
1)
2)
(d)
LCD
CIRCUIT
BOARD
MR
CIRCUIT
BOARD