Sharp AR-D21, Service Manual

Page: 13 / 36

AR-D21/D22 ELECTRICAL SECTION
– 8 –
A B
C D
876
5
4
3
21
1
2
3
4
5
6
7
8
D C B A
A B
C D
876
5
4
3
21
1
2
3
4
5
6
7
8
D C B A
A B
C D
876
5
4
3
21
1
2
3
4
5
6
7
8
D C
B A
A B
C D
876
5
4
3
21
1
2
3
4
5
6
7
8
D C B A
1. BLOCK DIAGRAM
Copier
(MCU PWB)
DRS1B
PAP1B
LUD1B
PPD1B
CSS1B
/PCL1B
/PCS1B
/TRCLB
LUM1BD
LUM2D
DRS2
PAP2
LUD2
PPD2
CSS2
/PCL2
/PCS2
Y1A
Y2
CSSEL(A,B,C)
1A(PCL,PCS,
TRCL,LUM)
2
(PCL,PCS,LUM)
AI,BI,/AI,/BI
OPCASSEL
Y1B
:MULTI CASSETTE LOWER :OPTION 2nd CASSETTE or MULTI CASSETTE
24V
5V
24V
5V
24V
24V
5V
CASSETTE INTERFACE PWB
CASSETTE INTERFACE PWB
1B
(PCL,PCS,
TRCL,LUM)
MOTOR
DRIVER
TRANSISTOR
ARRAY
DATA
SELECTOR
DATA
SELECTOR
MOTOR
(A,/A,B,/B)
DRS2
PAP2
LUD2
PPD2
CSS2
5V
LUM2D
/PCL2
/PCS2
24V
DRS1B
PAP1B
LUD1B
PPD1B
CSS1B
5V
5V
DATA
SELECTOR
DATA
SELECTOR
/PCL1B
/PCS1B
/TRCLB
LUM1BD
24V
24V
24V
MOTOR
DRIVER
TRANSISTOR
ARRAY
MOTOR
(A,/A,B,/B)
[8] ELECTRICAL SECTION