Read Sharp R-234 (serv.man3) Service Manual online
R-234 - 32
Figure S-4. Printed Wiring Board
PRINTED WIRING BOARD DIAGRAM
LED1
LED2
D3
RY2
D74
R70
R71
ZD71
6
B
B
1
1
2
4
R80
RW
CN - C
1
6
(J5)
(J7)
(J6)
(J4)
(J2)
(J3)
(R60)
R43
R11
C44
C42
R4
R50
R42
E
B
Q30
Q40
1
E
B
C43
C40
C50
C41
JW1
R20
R40
R72
(R61)
(R62)
(R63)
4
5
E
E
Q20
Q21
(WH - 1)
C70
C21
D20
D70
1
5
(J1)
RY1
D71
D1
ZD70
Q70
D73
D72
D80
(R64)
R81
(R65)
3
ZD20
ZD21
(SW4)
(SW3)
(SW2)
(SW1)
IC1
(JSW2)
JW1
,F
R73
C71
C20
C22
R12
21
1
DIP
WARNING :
WARNING :
TRANSLESS
22
42
2
(C61)
(C60)
C10
VRS1
R1
B
E
R2
R3
R4
AC LINE VOLTAGE IS SUPPLIED TO ALL PARTS
R5
(CF1)
R10
R31
D10
D2
C1
R30
ZD1
SP30
ZD40
C
B
A
(SW7)
(SW6)
(SW5)
4
1
(WH - 1)
CN - A
LED3