She, Ael, And Man Circuit Boards - Hitachi DZ-MV350A Service Manual

Disassembly and Reassembly > Disassembly
(8) SHE, AEL, and MAN Circuit Boards (Fig. 5-3-9)
SHE Circuit Board (a)
1) Disconnect the two flat cables from SHE circuit board.
2) Disconnect the flat cable from AEL circuit board in the direction of the arrow.
3) Remove screw [H], and then remove the SHE circuit board from R block (e).
AEL Circuit Board (b) and MAN Circuit Board (c)
4) Disconnect the flat cable from AEL circuit board.
5) Disconnect the DRF circuit board (d) in the direction of the arrow from the MAN circuit board.
6) Disconnect the four flat cables from MAN circuit board.
7) Remove three screws [H].
8) Remove the AEL circuit board assembled with MAN circuit board in the direction of the arrow
from the R block.
9) Remove the AEL circuit board in the direction of the arrow to disconnect it from MAN circuit
board.
Procedure and caution for reassembly
Be sure to attach the heat sink rubber (f) when installing the MAN circuit board: Forgetting to
attach the heat sink rubber could cause a fault.
(a) SHE Circuit Board
(b) AEL Circuit Board
(c) MAN Circuit Board
(d) DRF Circuit Board
(e) R Block
(f) Heat Sink Rubber
(e)
5
(f)
(c)
6-1
6-2
7 [H]
Fig. 5-3-9 SHE, AEL, and MAN Circuit Boards
5 - 8
(a)
3 [H]
(d)
1
2
2
6
(b)
7 [H]
4
6
7 [H]
8
9
[H] M1.7×3 (Gold)