Sharp R-21JVF Service Manual - Page 38

S-3. Printed Wiring Board

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R-21HT-F R-21JV-F 1 A B C D E F G H 1 2 3 4 5 1 13 DIP F R30 R33 R32 8 R31 5 1 IC2 4 C30 R5 C31 E (Q60) B 33 32 1 25 40 R83 (C83) R82 (C82) R81 (C81) R80 (C80) R58 R57 R56 R55 R54 R53 R52 CN - G 20 IC1 15 50 (4) 5 12 R51 R50 55 R84 3 (R69) (C60) (R60) (R91) (R90) (R89) R88 R87 R86 R85 (JG) D70 D23 (C62) (JF) 1 CN - B (CN - H) 3 1 64 60 (R68) (R62) (R61) (JD) (C60) R71 C70 (R64) (JE) R70 (R63) 9 (C63) C3 (JC) 6 8 (J3) (J4) 7 3 IC3 ZD2 C7 R3 C5 C6 E B Q2 3 1 (CN - D) 2 16 1 (R67) 9 (JJ) (R66) 8 (JH) (C101) (J5) (C64) (R65) C8 R4 (J6) C4 R40 SP1 10 (JB) (J9) (D10) (C10) Q22 (R102) E B B D21 E MICRO 1 MICRO 2 RY2 (TB2) RY3 (14) (15) (16) (17) (CT1) (J1) (Q23) D22 11 (C100) (D100) (R100) (JA) (R1) Q1 (R2) (R101) (ZD1) C1 BE Q3 C2 C9 (TB1) 7 DANGER-CERTAIN PART IS INTENTIONALLY NOT GROUNDED AND MAY PRESENT A RISK OF ELECTRICAL SHOCK DURING SERVICING. SERVICE PERSONNEL - DO NOT CONTACT THE FOLLOWING PARTS WHILE THE APPLIANCE IS ENERGIZED ; TRANSFORMER S P P T1 12 VRS1 (VRS2) POWER POWER (J7) 1 OL SM TTM (D5) CN - A (RY1)(D20) C20 C21 (C10) B Q21 E B Q20 E (C13) E B D3 D4 D2 D1 (C11) (13) (C12) (ZD3) (R6) (Q24) Figure S-3. Printed Wiring Board 2 3 4 5 36 6 A B C D E F G H 6

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R-21HT-F
R-21JV-F
36
6
4
5
1
2
3
6
4
5
1
2
3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
Figure S-3. Printed Wiring Board
1
13
F
R30
R83
(C83)
R82
(C82)
R81
(C81)
R80
R58
R57
R56
R55
R54
R53
R52
R51
R50
(R91)
(R90)
(R89)
(R69)
(R62)
(R61)
(R64)
(R63)
(JA)
(R1)
(R2)
(R101)
Q1
(14)
(15)
(16)
(17)
(CT1)
(J1)
(RY1)
(D20)
(C12)
(C11)
(13)
C20
(C13)
(C10)
C21
B
E
Q20
D1
D2
D4
D3
B
E
Q3
C2
C9
(R60)
(JG)
(CN - H)
(JD)
(JE)
C70
C8
C4
R4
(JH)
(C60)
(C63)
8
9
(C101)
R71
(ZD1)
R70
(C60)
R88
R87
R86
R85
D70
RY2
RY3
D23
(C80)
(R68)
(J5)
(J6)
C6
C5
Q2
(JJ)
(C64)
(R65)
(R66)
E
B
IC2
R31
R32
E
(Q60)
CN - G
CN - B
MICRO 1
MICRO 2
(CN - D)
R84
IC1
(JF)
(JC)
(JB)
(C10)
(R102)
(C100)
(D100)
(TB2)
(J7)
(D5)
OL
B
B
E
E
Q21
(Q24)
(R6)
(ZD3)
SM TTM
(TB1)
(R100)
(Q23)
(J9)
(D10)
C3
B
E
D21
D22
11
12
T1
P
P
S
VRS1
(VRS2)
POWER
CN - A
POWER
C1
E
B
Q22
R40
SP1
10
(C62)
B
R33
R3
C7
ZD2
2
3
6
5
7
(J4)
(J3)
(4)
(R67)
IC3
R5
C30
C31
1
1
12
3
1
1
33
32
25
20
15
40
50
55
64
3
3
1
1
7
1
60
16
9
8
4
5
8
DIP
DANGER-
CERTAIN PART IS INTENTIONALLY NOT GROUNDED
AND MAY PRESENT A RISK OF ELECTRICAL SHOCK DURING
SERVICING. SERVICE PERSONNEL - DO NOT CONTACT THE
FOLLOWING PARTS WHILE THE APPLIANCE IS ENERGIZED ;
TRANSFORMER