AR-M550 (serv.man5). CIRCUIT DIAGRAM - Sharp Copying Equipment Service Manual (repair manual). Page 127

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AR-550/555/620/625/700/705  SCANNER CONTROL PWB / 
スキャナコントロール PWB
  4 - 104
IC16B
LM339D
7
6
1
+
-
D3
CRH01
BR25D
10KJ
R23
560J  0.25W
Q12
DTC143ZUA
3
1
2
IC20A
VHCT08
1
2
3
BR15B
10KJ
C29
223Z
D102
RLS-73
IC20C
VHCT08
9
10
8
Q1
2SK3065
BR25A
10KJ
IC16C
LM339D
9
8
14
+
-
C30
23Z
R21
470J  0.25W
R3
10KJ
IC20B
VHCT08
4
5
6
C70
223Z
Q11
DTC143ZUA
3
1
2
D100
RLS-73
IC20D
VHCT08
12
13
11
R20
470J  0.25W
R1
1KJ
BR25C
10KJ
D101
RLS-73
BR25B
10KJ
R22
470J  0.25W
+24V3
+5V1
+5V1
+5V1
+5V1
/CISSETin
SPFSETin
COPY
//SEG1
//SEG0
MIRMO1
PNC
SPFMO2out
CV_START
MIRMO0
F3
F2
/PDSEL2
/PDSEL1
CV_COUNT
CV_DUPLEX
CV_STAPLE
CV_SIZE0
CV_SIZE1
SPFMA
/RES_CCD2
RES_CCD2
SPLS2in
RES_CCD1
/CLK_CCD1
CL1
CCFT
STUDin
CA
/PDSEL0
/TXD_CCD1
//SEG2
CV_SIZE2
/RES_CCD1
SPFMO1out
/ADD_CCD1
OCSWin
/READYin
CV_CA
LED0
//SRRBC
STLDin
SPPD2in
SOCDin
LED1
F1
F0
PAGE1
SPED2in
SPPD1in
CV_SIZE3
/SPFMA
SPLS1in
SPED1in
/PAGE1
/PAGE2
PAGE2
FWP
SPFFANout
SPFMDA
/SPFMDA
//STRRC
//STRRBC
STMPS
/STMPS
WAKEUP
KEYIN-UP
SPED2-UP
/F0
/F1
/F2
/F3
OCSW-UP
SLEEP
FRDY
//STRC
CN1
1-6C
1-3B
3-1B
3-1B
3-1B
3-8D
3-8B
3-8B
3-8D
3-8B
3-8B
3-8A
3-5C
3-1B
3-8C
3-8C
CN10
3-8D
3-8D
3-8D
1-3C
3-8D
3-8D
3-8C
3-8B
3-1B
3-1B
3-8B
3-8C
3-8C
3-8C
1-6B
3-8C
3-8C
3-8D
1-6B
CN12
1-6B
3-1B
3-8D
3-8C
3-8D
CN1
1-4C
1-4C
3-1C
2-7B
3-8C
CN10
3-1B
3-1B
3-1B
3-8D
3-1C
3-8C
3-8D
3-8D
1-4C
1-4C
3-8A
CN12
3-8A
3-8A
1-3B
CN1
D
S
G
3-2B
3-4D
CN9
3-2B
CN1
CN1
CN1
CN1
CN9
CN9
(VHCT08)
14
7
IC20
4
4
3
3
2
2
1
1
D
C
A
B
2/4
R102
Not install
0J
R103
0J
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