Schamatic - ViewSonic Q51 series Service Manual

11. SCHAMATIC

715A928-*
H802
1 5V
HS
2
3 VS
4 SCL
C163
5 SDA 150PF
C160
R160
GND 150PF
6
220
7 12V
R179
8 CLP
2K2
9 SENCE
R115
100
10 ISCL
R116
ISDA
11
R178
100
12 7V
2K2
13 VBLK
R163
100
ZD101
HZ6B1
C105
0.1uF
ZD104
HZ6B1
IC102
AT24C08A
56A1133-513
1 8
A0 VCC
2 7
A1 W/P
9
0
1
R117
3 6
R
A2 ISCL
R979
100
Value = 5.6 1W
4 5
4 ISDA
R143
100
R186
1K
D107
C111
1N4148
0.1uF
300
R144
C101
C164 ZD103
47PF
0.22uF HZ5C2
W R125 R123
1 / 4
1 2K2 2K2
1
1
0
R
2
R182
R128
330 SW109
W
SW110
/ 4 0
1K
1
1
1
0
R
2
R127 R181
SW106 1K5 SW108
1K
R183
R129
NC
NC
IC103 NC
24LC21
56A1133-1
1 8
A0 VCC
2 7
A1 W/P
R157
3 6
3K3
A2 ISCL
4 5
4 ISDA
E
C
N A L A L A
E V D C D C D
S . 5 S S S S S S
6 D D D D V D
P601
4 3 2 1
NC
C103
C102 +
ZD105
0.1uF
47uF
HZ5C2
D130 IC101
NT68F65U
1N5817
1 42
KEY V-I/P
R130 0V
NC
2 41
SHU A H-I/P
0V
0.3V
3 40
SHU B 40
0.5V
R131
4 39
NC
RESET 39
3.2V
R112
5 38
VDD 38
L101
1K
4.8V
C106
3.3UH
6 37
V33 37
+
3.2V
33UF
7 36
GND 36
C108
8 35
OSCO 35
8
1
1 0 2.4V
K 22PF X101
K 1
5
5 9 34
R
12M OSCL H-OUT
C107
2.1V
0.4V
22PF 10 33
ISCL V-OUT
4.8V 0V
11 32
ISDA CS0
4.8V
0V
R100
12 31
W/P CS1
4K7 4.8V 0V
R106 13 30
SENSE OFF
D106
30K 0.36V
2.4V
R140
14 29
1N4148
SENSE2 H-SIZE
5.2V 0V
4K7
15 28
KEY PW1+PW2
4.6V
4.8V
16 27
KEY DEG
4.8V 0.2V
LED1
17 26
LED DSDA
4.8V 4.5V
18 25
BRI DSDA
4.5V
R152
3K
19 24
ROT MUTE G1
0V
1.6V
20 23
LS MUTE B+
R104 0V
2K2
21 22
ABL VOL
1.6V
56A1125-533-C(AOC)
56A1125-538(Lenovo)
R154
2K2
+ C146
10uF R153
3K3
R156
+ C168
3K3
10uF/16V
L A L
C L T D C G
S B O S S E
D A R D D D
+
C910
100uF
R132
JUMP
R172
JUMPER
C162
47PF
C161
ZD107
47PF
HZ6B1
ZD106
C407
HZ6B1
C120
100PF
0.01uF
H601
C408
4 3 2 1
NC
100PF
Q921
R192 56A446-1-T
D931
3K6 2SC1213AC
E601
7
1
8
5
R191
N
R126
1
2K
2K 1/4W
C611 0.22UF
0
1 1
1 R431 22K
B
D 6
R165 Z
Z
H
C613 0.1UF
2K2
5
K 6
R136
9 9
2K2
3
R
C437
R124
0.1UF
1K5
R135
R432
1K5
2K7
ZD983
JUMP
C404 0.01UF
R141
2K2
0.01UF
R168
10K
R619
R133
620k
4K7
7
6
1
R
5K6
R122
150
LED1
7
6
O
G
1
r a
r e
D
n
e
g
n
e
8
4
1
4
N
8
8
1 3
4
2 0
6
1
9 2
9
4
2
D
R
N
1
2
+
W
B
P
+
E 6
V 7
1
T 1 F O 1 1
1 4 2
U W S F S 1 P P
1 1
C
P M P P C O
51
R405
100
3
0
4
R
R414 C446
0
0
R404 10K 100PF
1
100
IC401
2 8
0 4
TDA4841
4 1
4
D
56A552-2
N
C468
1
17 16
H.UNLUCK CLBI
0.27V
0.87V
0.01UF
18 15
SCL HS
4.8V 0.33V
19 14
SDA VS
4.8V 0V
20 13
RSCOR VOI+
0.5V 0.91V
R464 47K
21 12
VS MAD VOR-
5.0V 0.91V
22 11
V ABC EW
2.74V 2.1V
23 10
V REF VCC
3.0V 11.7V
+
24 9
470UF
V CAP XSEL
2.67V 5.0V
R438
C435 25 8 4.7K
GND HDRV
8200P R430
0V 1.6V
R454
3K3
26 7
PLL1 GND 13K 1/4W
R413 10K
3.35V
R412 27 6
H BUF BDRV
2.0V 0.28V
680
28 5
H REF BIN
2.56V 2.5V
29 4
H CAP BSENS
4.6V 2.42V C943
C447
30 3 2.2NF R971
PLL2 BOP
5.4V 4.72V
1M 1/4W
31 2
HS MAD XRAY
C945
5.1V 5.68V
R966
32 1
FOCUS HFLB
27K
0.1U
0.34V
R401
C607
0.022UF 63V C428 1N4148
R618 0.1
43K
C434
+
R418
22UF
6.2K
C412 R462
6K2 1/4W
NC
HSYNC
VSYNC
12V
R406
100
C614
100PF
HUNLOCK
VOUT1
VOUT2
EWOUT
12V
C405 C406 ZD401
R402
0.1UF
HZ12A2
1K
16V
HDRV
BDRV
Q414
3DG945P
B+ ADJ
R926
R968
VR902
R972
6K8
5K1 1/4W 2K
270
100K 1/4W C946
B+
R967 22nF
R969
68K 1/4W
2P9C45P
Q401 R420
H-UNLOCK
C449
+
11K
1UF
R419
MUTE B+
4.7K
D120
1N4148
R417 R416
C433
18K 9K1 1/4W
+
22UF
D929
UF4004
C409
JUMP
F.B.