Sharp SM-A75H(BK) Service Manual page 10

SM-A75H/E
©
Caution on Disassembly
Follow the below-mentioned notes when disassem-
bling the unit and reassembling it, to keep its safety and
excellent performance:
1. Be sure to remove the power supply plug from the
wall outlet before starting to disassemble the unit.
2. Take off nylon bands or wire holders where they
need be removed when disassembling the unit.
After servicing the unit, be sure to rearrange where
they were before disassembling.
3. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
REMOVAL
Video PWB
Control P.W.B
Video terminal PWB
Display PWB
Headphones P.W.B
STEP
w
Bee ee eee ee
N
Power switch PWB
Tone control PWB
Remote control
receiver PWB
* 1. Each P.W.B. should be removed until the parts to be
exchanged can be removed when servicing. If the
parts to be exchanged are in the exchangeable
condition, the rest of P.W.Bs. need not to be removed.
Headphone PWB
Power switch PWB
(I)x &
$3x8mm
(A)x2 ¢4x6mm
DISASSEMBLY
(A)x1 @3x8mm
_---Bottom plate
(C)x2 @3x6mm
(E)x3 @3x10mm (E)x1 63x8mm
Figure 8-2
Power amp PWB
Main PWB
Video PWB
/ Wa
eee sf
oi (F)x4
73 aa "\ ;
ran) Remove video
terminal PWB
when detaching
the front panel.
Video terminal PWB
Tone control PWB 1 Display PWB
(F) —
Front panel -
(J)x1 ~ @3x8mm
$3x8mm Remote control receiver PWB
(L)x1 @3x8mm
_g_ Figure 8-3