Hitachi VK-U174 Service Manual page 29

Disassembly and Reassembly > Disassembly
CSR Circuit Board (Fig. 5-2-2)
4) Remove three screws [B].
5) Move the bottom of PC circuit board in the direction of the arrow to release the connections with
CSR circuit board (connections of PG2002 and PG3001).
6) Remove two screws [B].
7) Disconnect flat cable.
PG2002 &
PG3001
[B] M1.7×3 (Gold)
Circuit Board Frame (Fig. 5-2-3)
8) Remove three screws [A].
9) Remove screw [C].
PC CIRCUIT
BOARD
5)
4) SCREWS [B]
7-2) Pull out
Fig. 5-2-2
8) SCREWS [A]
[A] M1.7×3 (Black)
[C] M1.7×2 (Black)
Fig. 5-2-3
PC CIRCUIT
BOARD
7-1) Unlock
CSR CIRCUIT
BOARD
PC CIRCUIT
BOARD
CIRCUIT
BOARD
FRAME
9) SCREW [C]
5 - 2
7) FLAT CABLE
6) SCREWS [B]
Fig. 5-2-4