Sharp ER-A450T Service Manual - Page 58
Front Pwb/pop Up Pwb Circuit Diagram
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8 7 6 5 3. FRONT PWB/POP UP PWB CIRCUIT DIAGRAM D G10' G9' G8' G7' G6' G5' G4' FND5 FND4 FND3 FND2 4 G3' G2' G1' FND1 3 G1'..G10' R8 R7 R6 R5 R4 R3 R2 R1 C 30 30 30 30 30 30 30 30 DP' G' F' E' D' C' B' A' A'..DP' 2 CN1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PDS' G1' G2' G3' G4' G5' G6' G7' G8' G9' G10' A' B' C' D' E' F' G' DP' GND FRONT CN(20P) B A 8 G8' G7' G6' G5' G4' G3' G2' G1' FND4 FND3 FND2 FND1 R8 27 DP' R7 27 G' R6 27 F' R5 27 E' R4 27 D' R3 27 C' R2 27 B' R1 27 A' 7 6 5 4 G1'..G8' A'..DP' 3 CN1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 G1 G2 G3 G4 G5 G6 G7 A' B' C' D' E' F' G' DP' POP CN(NORMAL) 2 1 1/1 D C B A 1
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8
7
6
5
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2
1
A
B
C
D
1
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D
C
B
A
1/1
3. FRONT PWB/POP UP PWB CIRCUIT DIAGRAM
PDS'
1
G1'
2
G2'
3
G3'
4
G4'
5
G5'
6
G6'
7
G7'
8
G8'
9
G9'
10
G10'
11
A'
12
B'
13
C'
14
D'
15
E'
16
F'
17
G'
18
DP'
19
GND
20
CN1
FRONT CN(20P)
FND1
G1'..G10'
G1'
G2'
FND3
FND2
G3'
G4'
G5'
G6'
G7'
G8'
<FRONT LED PWB>
FND5
FND4
G9'
G10'
G'
DP'
R7
30
R8
30
C'
D'
E'
F'
R3
30
R4
30
R5
30
R6
30
A'
B'
R1
30
R2
30
A'..DP'
G1
1
G2
2
G3
3
G4
4
G5
5
G6
6
G7
7
A'
8
B'
9
C'
10
D'
11
E'
12
F'
13
G'
14
DP'
15
CN1
POP CN(NORMAL)
FND1
G1'
G2'
G1'..G8'
FND3
FND2
G3'
G4'
G5'
G6'
G7'
G8'
<POP UP LED PWB>
FND4
G'
DP'
R7
R8
27
C'
D'
E'
F'
R3
R4
R5
R6
A'
B'
R1
R2
27
27
27
27
27
27
27
A'..DP'