Sharp FO-4650, Service Manual

Page: 20 / 80

FO-4650U
1 2 6
4
3
5
BD
E
F
G
I
H
C
A
BD
E
F
G
I
H
C
A
1 2
6
4 3 5
105 104 103
– + – +
136 137 138 139 140 126 127 147
/D9001RW
AD7 AD6 AD5 AD4 AD3 AD2 AD1
135 145
/D6004WR /D6004ALE /D9001CS /D9001WR /D6004RD
148 149 150 151 152
R223 R229 R228 R227 R226 R230
N.M.
N.M.
146
AD0
13 12 10
9
26 25 24 23 22 19 18 17 16
1 3 4 154 153 20 142 100 11 21 120
AO12 AO11 AO10 AO9 AO8 AO7 AO2 AO1 AO13 AO6 AO5 AO4 AO3
134 141 160 101 62 2 155 28 40 61 75
R189
4.7K
R184
4.7K
C149
0.1
C153
0.1
C196
0.1
C182
0.1
8
15 14
7 6 5
131
47 45 41 42 43 33 29 30 27
/LCCS /LCWR /LCRD LCINT MTSTART GAIN
132 133 128 130 129
34 46 44 31 32
R198
4.7K
R197
4.7K
C154
2200P
R242 R241
N.M.
/CDCCS1
/CDCDRQ
/CDCINT
/QMCS1
/QMWR
/QMRD
QMPDRQ
/QMPDAK
QMCDRQ
/QMCDAK
TXPA
TXA1 TXA0
TXPB
TXB1 TXB0
CRNT
RTCDT
RTCCK RTCCE
RTCIO
STPON LEDON
R147 330P
C187
C188
N.M.
R194
0
R238 0 R237 0 R193 0 R192 0
RA3 RA4
C145
R179
5.6K
R410
270
/FRTS
/ORGS
R119
270
R122
10K
C114
2200P
DG
+5V
+5V DG
R121
270
R118
10K
C113
2200P
DG
DG
R120
3.3K
C115
0.1
R123
5.6K
C117
0.1
+5V
2 3
4
4
8
7
+5V
DG
DG
+5V
C148
0.1
IC11A
BA10393F
IC11B
BA10393F
6 5
8
1
R186
10K
R185
10K
+5V
+5V
/ROLSNS
/B4FRS
+5V
+5V
R182
270
R177
270
R183
10K
R178
10K
C144
2200P
DG
DG
C143
2200P
PCDTCT
R235
10K
VOLA
TP70
DG
+24V
R180
TP69
/D9001RW
AD(7:0)
AO[13:1]
DG
TP56
IC17B
LZ9FJ59
GATE ARRAY (A)
XLCCS XLCWR XLCRD LCINT MTSTART GAIN AO12 AO11 AO10 AO9 AO8 AO7 AO6 AO5 AO4 AO3 AO2 AO1 AO0 XD6004RD XD6004WR XD6004ALE XD9001CS XD9001WR XD9001RW AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 PCDTCT FAXPCSL XB4FRS XFRSNS XORGSNS XROLSNS PRTSNS1 CDCMSK
XCDCCS
XCDCDRQ
XCDCINT
XQMCS1
XQMWR
XQMRD
QMPDRQ
XQMPDAK
QMCDRQ
XQMCDAK
TXPA
TXA1 TXA0
TXPB
TXB1 TXB0
CRNT
RTCDT RTCCK RTCCE
RTCIO
PLG1ON PLG0ON
LEDON
VDD VDD VDD VDD
GND GND GND GND GND GND GND GND GND GND GND
+5V
TP52 TP53 TP54
DG
TP55
TP57 TP58
TP59 TP60 TP61 TP62 TP63 TP64 TP65 TP66 TP67 TP68
DG
+5V
DG
N.M.
N.M.
(9-2F)(9-5D) (8-6E) (8-6E) (16-4B) (16-4B)(16-3G) (16-4B)(16-3G) (16-3G) (16-3G) (16-3B) (16-4B)
(11-5B) (11-5B) (11-5B) (11-4B) (11-4B) (11-4B) (11-1B) (1-3E) (1-3E) (1-3E) (1-3E) (11-2E) (11-1E)
(5-3E) (5-3E) (5-3E) (5-2E) (5-5H) (5-4A)
(16-6B)(5-6E)
(15-3H) (15-3H) (15-3H) (15-3F) (15-3F) (15-3F)
(15-4F)(15-4H)
(15-2F)
(14-5A) (14-5B)
(14-5A) (14-5A)
(4-2H)
Gate array (A) block 2
7/16
6 – 7