Sharp FO-1660 Service Manual page 67

+5V
R206
0
+5V
R248 10K
OPT R233
(2-2G)
PEI R256 33K
(4-4D)
CSW
R262 R263 10K
CNCS-1
270
RBN R210 33K
(4-5D)
RHS R200 10K
CNLIUA-8
22
+5VD2
97
0VD2
92
0VD2
89
0VD2
81
0VD2
80
0VD2
77
0VD2
66
0VD2
16
0VD2
7
0VD2
6
0VD2
50
0VD1
23
0VD1
62 NC
72
+5VD1
91
GP21
93
GP20
94
GP19
76
GP17
75
GP16
61
GP13
6 – 3
UX-600MU/MC
FO-1660U/C
69
XTLO
68
XTLI
90
EYEY
86
EYEX
84
EYECLKX
74
SYNCIN2
26
SYNCIN1
83
EYESYNC
25
ECLKIN1
85
EYECLK
36 R183 BYPASS
BYBASS
(1-4A)
10K
TXLOSS1
40
TXLOSS2
39 R264 R305
TXLOSS3
10
38
R293
270 x 4
R186
VREFCONT
63
(5-4A)
GP11
100 R299 VOLC
(6-1H)
GP02
1
R298 VOLB
(6-1H)
GP03
2 R297 VOLA
(6-1H)
GP04
3 R296 R291
GP05
R300
4 PIN
(4-5D)
GP06
(*1)
5
R290
GP07
33K
R306