Main Board, Amp Board - Sony DSX-GS900 Service Manual

DSX-GS900
3-7.

MAIN BOARD, AMP BOARD

Note 1: When replacing the MAIN board, make sure to refer to
"NOTE OF REPLACING THE MAIN BOARD" on page 4.
MAIN board block
rear side
Note 4: When installing the heat sink,
align the hole and boss.
boss
heat sink
hole
chassis back
8 claw
9 bracket AMP
rib
leg
7 ground point screw
(PTT2.6
6 MAIN board
(See Note 1)
20
top side
hole
rear side
rib
rib
leg
leg
leg
groove
groove
6)
hole
4 Remove the solder.
hole
hole
Note 3: When installing the heat sink, align
the groove and guide pin (boss).
bracket AMP
groove
boss
boss
2 screw
(PTT2.6
q; AMP board
Note 5: When installing the AMP board,
align the three grooves and three ribs.
groove
Note 6: When replacing the AMP board, it is necessary
7 ground point
COMPOUND (CASMOLY HC-300)
screw
(PTT2.6 6)
5 Remove the AMP board block
in the direction of the arrow.
Note 7: When installing the AMP board block,
align the four legs and four holes.
hole
Sony CONFIDENTIAL
For Authorized Servicer
groove
front side
guide pin
heat sink
3 heat sink
Note 2: When installing the heat sink,
align the hole and groove with
the two bosses.
1 three screws
(BV S2 8)
6)
to spread the compound. Spread the compound
over the IC1600 referring to the figure below.
IC1600
SYS SET