Service manual
19" LCD Color Monitor I-INC AG191A
20
6. Schematic
6.1 Main Board
WP
B_D4
C24
0.1uF/16V
R31 100 1/16W
FB6
600 OHM
1 2
R190
NC / 10K 1/16W
R12
4.7K 1/ 16W
B_D12
R177 4.7K 1/16W
3.3V
B_D15
B_D18
5V
B_D15
F_D0
F_D13
R194 10K 1/16W
Y1
14.318MHZ
C152
0.1uF/16V
A,B PORT SWAP
R34,R36 NC_20060421
R187 22 1/16W
R20
10K 1/16W
F_D16
R26 0
R17 22 1/16W
B_D19
RSDS/LVDS/TTL
F_D5
TP78
SCALER
A
TSUM17AK
A2
77Thursday, April 27, 2006
Tit le
Size Document Number Rev
Dat e: Sheet
of
B_D7
Q11
PMBS3904
H1
1
VDVI
FB408
600 OHM
1 2
L1
80ohm
1.8V
3.3V
3.3V
F_D3
R34
NC
5V
VSI
F_D2
OSP
D20
NC/UDZS5.6B
1 2
C28 22pF
5V
F_D0
R199 1K 1/16W
C154
0.1uF/16V
LED_O
B_D11
3.3V
3.3V
B_D0
F_D1
+
C163
4.7uF/ 35V
C29 22pF
Remove R24_20060421
STH_B
B_D19
B_D8
R198 47 1/ 16W
R536
4.7K 1/16W
Q13
PMBS3906
F_D9
B_D5
F_D10
R27 10K 1/16W
R8 100 1/16W
KEY1
C14 0. 047uF
TP84
R218 4.7K 1/16W
L3
80ohm
3.3V
TP80
R189 47 1/16W
H2
1
VMPLL
HSI
DDC_SCL
F_D12
F_D4
+
C157
10uF/16V
C155
0.1uF/ 16V
F_D10
B_D17
F_D17
VDDC
H13
1
TP7 3
R191 47 1/ 16W
R37 100 1/16W
R32 4.7K 1/16W
R_IN-
ESP
R533 NC
AVDD
F_D11
F_D18
B_D2
B_D3
TP7 4
C15 0. 047uF
C17 0. 047uF
VGA_DET
B_D10
VDDP
DDC_WP
KEY2
R30 4.7K 1/16W
B_D0
F_D14
R535 220K 1/16W
R23
4.7K 1/ 16W
H8
1
R530
2K 1/ 16W
VCTRL
PWR
L2
80ohm
F_D13
C5
0.1uF /16V
C6
0.1uF/ 16V
R18 22 1/16W
VPLL
3.3V
R36
NC
C27
0.1uF
B_D1
F_D6
C19
0.1uF/16V
H6
1
STH_F
FB407
600 OHM
1 2
R532 NC
R534 NC
B_D9
F_D8
U402
SST25VH010
1
2
3
4 5
6
7
8
CE#
SDO
WP#
VSS SDI
SCK
HOLD#
VDD
U401
TSUM17AK
59
56
57
54
58
55
53
63
64
51
62
61
70
72
71
73
79
21
108
32
33
109
110
111
112
113
114
118
119
120
121
122
123
124
125
126
127
107
106
105
41
47
39
40
42
43
44
45
46
48
49
38
96
116
67
12
104
102
11
14
68
65
66
36
37
29
50
97
69
78
20
22
23
24
27
28
30
31
35
76
77
19
100
101
98
99
93
94
91
92
89
90
9
10
15
16
17
18
2
3
5
6
7
8
128
1
80
81
88
87
86
85
84
83
82
25
26
75
74
52
34
4
95
103
115
117
60
13
RIN0P
GIN0P
SOGIN0
BIN 0P
RIN0N
GIN0N
BIN 0N
HSYNC0
VSYNC 0
REXT
REFP
REFM
SDO
SCK
SCZ
SDI
GPIO_P27/PWM1
PWM1/GPI O_P25
NC /LVAC KM/N C
XI N
XO U T
RA1P/LVA2P/R A2
RA1N/LVA2M/RA3
RA2P/LVA1P/R A4
RA2N/LVA1M/RA5
RA3P/LVA0P/R A6
RA3N/LVA0M/RA7
CLKAP/LVB3P/ LHSYNC
CLKAN/LVB3M/LVSYNC
CLKBP/ LVBC KP/LC K_ODD
CLKBN /LVBCKM/LD E
NC/LVB2P/NC
NC/LVB2M/NC
BB1P/LVB1P/BB2
BB1N/ LVB1M/BB3
BB2P/LVB0P/BB4
BB2N/ LVB0M/BB5
NC /LVAC KP/NC
GA3N/LVA3M/GA7
GA3P/ LVA3P/ GA6
GND
GND
RX2P
RX2N
RX1P
RX1N
AVDD_DVI
RX0P
RX0N
RXCKP
RXCKN
GND
GND
GND
VDDP
VDDC
MOD E[1]
MOD E[0]
VCTRL
VDDP
VDD_OTP
DDCA_SDA
DDCA_SCL
DDCD_SDA
DDCD_SCL
PWM0/GPI O_P26
AVDD_DVI
VDDC
GPIO_P15
PWM2/GPI O_P24
GPIO_P16
GPIO_P17/SAR0
GPIO_P00/SAR1
GPIO_P01/SAR2
GPIO_P06
GPIO_P07
GPIO_P13
GPIO_P14
GPIO_P16
DDCROM_SDA
DDCROM_SCL
RST
GA2P/N C/ GA4
GA2N/NC/GA5
GA1P/N C/ GA2
GA1N/NC/GA3
BA3P/N C/ BA6
BA3N/NC/BA7
BA2P/N C/ BA4
BA2N/NC/BA5
BA1P/N C/ BA2
BA1N/NC/BA3
RB1P/NC/RB2
RB1N/NC/RB3
RB2P/NC/RB4
RB2N/NC/RB5
RB3P/NC/RB6
RB3N/NC/RB7
GB1P/N C/ GB2
GB1N/NC/GB3
GB2P/N C/ GB4
GB2N/NC/GB5
GB3P/N C/ GB6
GB3N/NC/GB7
BB3P/N C/ BB6
BB3N/NC/BB7
ESP
OSP
GPO0
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPIO_P02/SAR3
GPIO_P03
GPIO_P22
GPIO_P23
AVDD _PLL
AVDD_MPLL
AVDD_MPLL
VDDP
VDDP
VDDP
VDDC
AVDD _ADC
GND
R42 100 1/ 16W
B_D4
F_D2
R193 NC
VPLL
R531
100 1/16W
3.3V
SOGI
POL
F_D7
F_D15
VDDP
1.8V
B_D9
C151
0.1uF/ 16V
R43 100 1/ 16W
R28 390 1%
R140 4.7K 1/16W
F_D3
B_D11
R2 22 1/16W
VDVI
B_D8
D25
LL4148WP
PWR_LEDO
BL_BRIGHT
F_D19
FB1
600 OHM
1 2
B_D17
OE
5V
5V
LED_B
R176 39K 1/16W
R15
NC
PWR_LEDB
H7
1
C16 0. 047uF
STHB,F SWAP 10/06
B_D6
+
C23
4.7uF/16V
H12
1
C158
0.1uF/16V
R33 10K 1/16W
Change Flas h WP port_20060421
B_D10
VMPLL
B_D16
C153
0.1uF/ 16V
G_IN-
Flash_WP_Pull low _20060421
F_D14
R192 NC
3.3V
TP86
R7 100 1/16W
C10 0.1uF/16V
R195 47 1/16W
SDA
Q14
PMBS3904
R44 100 1/ 16W
F_D8
H3
1
AMP_MUTE
D26
LL4148WP
R175 39K 1/16W
TP85
B_D12
B_D18
FB2
1000 OH M
1 2
C4
0.1uF/ 16V
C12 0. 047uF
R24 4.7K 1/ 16W
C26 NC
R188 10K 1/ 16W
F_D6
R1 22 1/16W
F_D7
+
C21
10uF/16V
G_IN +
C229
0.1uF
R35 100 1/16W
FB406
600 OHM
B_D6
LED_O
B_D13
LED_B
U1
AT24C16N-10SC-2.7
1
2
3
45
6
7
8
A0
A1
A2
GNDSDA
SCL
WP
VCC
F_D[0..19]
B_D3
B_D7
Q12
PMBS3906
H11
1
B_D13
C7
0.1uF /16V
TP79
TP7 7
VDDC
F_D4
C3
0.1uF /16V
H5
1
Remo v e R2 6 and
C26_20060427 by LEO
R_IN+
F_D18
F_D19
C22
0.1uF/ 16V
R11
4.7K 1/ 16W
R19
10K 1/16W
24C16_WP_Pull high_20060421
VOLUME
BL_EN
VCTRL
C9
0.1uF /16V
B_D14
R217 4.7K 1/16W
F_D17
C160
0.1uF/16V
C13 0. 047uF
3.3V
B_IN+
PWR_EN
F_D9
B_D16
WP
R21 22 1/16W
Q15
CHT2907
C
B
E
H4
1
TP9 6
3.3V
AVDD
3.3V
B_D2
F_D12
TP81
B_D[ 0.. 19]
F_D11
B_D1
R16 22 1/16W
AVDD
STV1
B_IN -
F_D1
R529
51 1/16W
C20 0. 047uF
D21
NC/UDZS5.6B
1 2
B_D14
DDC_SDA
CPV
F_D15
R141 100 1/16W
3.3V
AMP_STBY
F_D16
R29
NC/ 1M 1/16W
TP76
SCL
C8
0.1uF/16V
R22 22 1/16W
B_D5
C156
0.1uF/16V
LP
R219
4.7K 1/16W
F_D5
R173 4.7K 1/ 16W