Read Sharp AR-M550 (serv.man5) Service Manual online
AR-550/555/620/625/700/705 MOTHER PWB /
マザー PWB
4 - 98
ICP1
ICP-S1.2
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CN8
TX25-100P-8ST-H1
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LCDD3+
S_RES\
DSR_SCN\
RXD_SCN\
RES_MFP\
MSWOFF\
VCCW_SCN
DTR_SCN\
TXD_SCN\
POF_SCN\
LCDCP1-
LCDD0-
2_DATA0-
1_CLK+
LCDD2+
LCDM-
2_DBL-
HSYNC
1_DBL+
LCDCP1+
LCDD0+
FRDY
LCDM+
NT
LCDD1-
PWM\
FWP-PCU
DCCNT\
LCDD2-
POF\
TXD_PCU
1_CLK-
2_CLK-
VIDEO+
RXD_PCU
SCNSET\
2_DBL+
DSR_PCU
LCDS+
VIDEO-
RES_PCU
1_DBL-
DTR_PCU
SLEEP
LCDD3-
PAGE
LCDDIS
2_CLK+
1_DATA0+
2_DATA0+
2_DATA1-
1_DATA1-
LCD-VEE
PRON_FAX\
1_DATA0-
PSSW
LCDCP2+
LCDD1+
LCDCP2-
LCDS-
1_DATA1+
2_DATA1+
2_DATA1+
WAKE UP
PROFF_CNT
+12V1
HDD-VCC
+3.3V
1_DATA1+
(1)
1_DATA1-
(1)
1_DATA0+ (1)
1_DATA0- (1)
1_CLK+
(1)
1_DBL+ (1)
1_DBL- (1)
1_CLK-
(1)
S_RES\ (1)
POF_SCN\
RXD_SCN\
TXD_SCN\
DSR_SCN\
DTR_SCN\
SCNSET\
VCCW_SCN
FRDY
LCDD0+
2_CLK+
PRON_FAX\
MSUOFF\
RXD_PCU
DSR_PCU
RES_PCU
DTR_PCU
POF\
TXD_PCU
VIDEO+
2_DATA1-
2_DATA0+
2_DATA0-
2_CLK-
2_DBL+
2_DBL-
LCDD0-
LCDD1+
LCDD2+
LCDD2-
LCDD3+
LCDD3-
LCDS+
LCDS-
LCDM+
LCDM-
LCDCP1+
LCDCP1-
LCDDIS
LCD-VEE
LCDCP2+
LCDCP2-
VIDEO-
DCCNT\
PAGE
PAGE
FWP-PCU
FWP-PCU
HSYNC
HSYNC
2_DATA1+
PWM\
RES_MFP\
LCDD1-
CNT FAN_MON
HDD FAN_MON
SLEEP
WAKE UP
DCCNT\
DTR_PCU
DTR_PCU
PROFF_CNT
PROFF_CNT
+12V_FAN
+12V_FAN
(from CONTROLLER)
(DTEN)
(DTR3)
(RES_PCU)
(TXD3)
(DSR3)
(RXD3)
(PCU-VCCW)
(DCCNT2)
(MSW-MON)
(/RES_SCN)
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1
1
D
C
B
A
2/2
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