Epson Photo PC-750Z, Service Manual, Page: 42 / 94

EPSON PhotoPC-750Z Revision A
Disassembly and Assembly Overview 42
Following shows how to release the electricity from the electrolytic
condenser (C5412) on the ST1 board. If you don’t perform this, you will
get a high chance of getting electric shock. Follow the procedures
below.
1. Have a cement resistance, which is higher than 560
Ω
/10 W.
2. After removing the front cabinet of the camera, connect 2 lead wires
to the soldering wires of the electrolytic condenser. (There is no
determined poles)
Figure 4-3. Releasing electricity from the condenser
4.1.4.2 SY1 Board, TB1 Board and FPC Unit Removal
Here explains disassembly of SY1 Board, TB1 Board and FPC Unit.
Follow the order shown in the figure.
Figure 4-4. SY1, TB1 boards and FPC unit removal
A v o i d g e t t i n g e l e c t r i c s h o c k
b y u s i n g i n s u l a t i n g t a p e .
U s e t h e r e s i s t a n c e a t
l e a s t 5 6 0 o h m s / 1 0 W .
N o f i x e d d i r e c t i o n
C A U T I O N
The procedure for removing the cables for prevention
of radiation (electric noise) is not explained here.
Refer to “Assembly” on page -45 when assembling
and perform soldering of cable parts accurately. The
cable for prevention of radiation for between boards is
the black cable between SY1 board and CA1 board.
1 0 ) F P C
8 ) C o v e r G r i p
6 ) C o n n e c t o r
2 ) C o n n e c t o r
7 ) T B 1 B o a r d
5 ) 5 s c r e w s
( 1 0 1 )
1 ) 2 s c r e w s ( 1 0 2 )
9 ) 3 s c r e w s ( 1 0 1 )
3 ) C o n n e c t o r
4 ) S Y 1 B o a r d
* T h i s c a b l e i s f r o m t h e s h i e l d
o f b a c k s i d e o f t h e C A 1 b o a r d .