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HP L1740 Service Manual

HP L1740
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17" LCD Color Monitor HP L1740
15
R336 NC
CN304
NC
1
2
3
CN303
NC
1
2
3
4
82
89
ADC_VAA
FB302
120
99
112 120
24C16_WP
VSO
R329
4.7K 1/ 10W
HSO
110
14
FB303
120
RX
TX
+3.3VD D
+1.8VD D
FB305
120
TXO3+
TXE3+
TXEC+
TXE1-
TXE3-
TXEC-
TXE0-
TXE2+
TXE0+
TXE2-
TXOC+
TXOC-
TXE1+
R303
0 1/10W
TXO2+
R302
0 1/10W
16CSCL
TXO0-
TXO2-
TXO3-
TXO1+
TXO1-
FB307
120
TXO0+
IICSDA
CN301
NC
2
4
6
8
10
12
14
16
18
20
22
24
1
3
5
7
9
11
13
15
17
19
21
23
+1.8VD D
8P-DIP TYPE
w/ SOCKET
+3.3VD D
RSTN
Aug.-25-06 change to dip
VGA_CABLE 2
R339 NC
GND
IICSDA
IRQN
IICSCL
RSTN
Tit le
Size Document Number Rev
Date: Sheet
of
G1864-1A-HP-X-1-070116
1
Scaler
Custom
35Tuesday , J anuary 16, 2007
15
C318
0.22uF
R330
4.7K 1/ 10W
FB301
120
R307
100 1/10W
C313
0.1uF 50V
R332
4.7K 1/ 10W
R318 100 1/10W
C322
22pF50V
108
IICSCL
U401
NT68663MEFG-128
PC3/PW M0
39
PA1/PWM3
46
PA2/PWM4
47
PA5/PWM7*
50
PA6/PWM8*
51
PA7/PWM9*
52
RSTB
53
P30/RXD
54
PC2
40
PA3/PWM5
48
PA4/PWM6*
49
PE0
17
PE1
18
OSCO
19
OSCI
20
MCU_GND
21
PB0/ADC 0
22
PB1/ADC 1
23
PB4/DDC_SCL0*
24
PB5/DDC_SDA0*
25
PB6/DDC_SCL1*
26
PB7/DDC_SDA1*
27
PD5
28
PD4
29
PD3
30
NC
31
NC
32
PD2
33
PD1
34
PC7
35
PC6
36
PC5
37
PC4/PW M1
38
VSYNCI0
6
DPLL_GND
7
TCLK
8
DPLL_VDD
9
PWM 11
11
TS_CLK
12
PD6
55
P31/TXD
56
PB2/ADC 2/I NTE0
57
PB3/ADC 3/I NTE1
58
P34/T0
59
P35/T1
60
T4P
69
T4M
70
DGND
71
T3P
72
T3M
73
T2P
76
TCLK1P
74
T2M
77
T1P
78
T1M
79
T0P
80
T0M
81
DVDD
82
DGND
83
GPO1
84
GPO2/AD0
85
GPO3/AD1
86
AGND
96
RX2+
97
PGND
111
TEST
1
VREF
2
HSYNCI1
3
TOUT P/VSYN CI 1
4
HYNCI0
5
PWM 10
10
CGND
13
CVDD
14
DGND
16
DVDD
15
PC1*
41
PC0*
42
MCU_ VCC
43
PD0
44
PA0/PWM2
45
T7P
61
T7M
62
TCLK2P
63
TCLK2M
64
T6P
65
T6M
66
T5P
67
T5M
68
TCLK1M
75
INT _VSO/GPO4
87
INT _HSO/ GPO5
88
CVDD
89
CGND
90
GPO6
91
SCL
92
SDA
93
RSTN
94
IRQN
95
RX2-
98
AVCC
99
RX1+
100
RX1-
101
RX0+
103
AGND
102
RX0-
104
PVCC
110
REXT
109
AVCC
108
RXC-
107
RXC+
106
AGND
105
GIN1-
117
GIN1+
116
SOGI1
115
BIN1-
114
BIN1+
113
ADC_VAA
112
RIN1+
118
RIN1-
119
ADC_VAA
120
ADC_GNDA
121
BIN0+
122
SOGI0
124
BIN0-
123
GIN0-
126
GIN0+
125
RIN0-
128
RIN0+
127
C308
NC
Y301
12.000MHz
C306
0.1uF 50V
R322
4.7K 1/ 10W
R327
4.7K 1/ 10W
C311
0.1uF 50V
C323
10uF/16V
R305 100 1/10W
C317
0.1uF 50V
R320
NC
R321
4.7K 1/ 10W
C305
10uF/16V
R315
4.7K 1/ 10W
C304
0.1uF 50V
C302
10uF/16V
C310
0.1uF 50V
R324
1M 1/10W
R319
100 1/10W
R328
NC
R326
100 1/10W
FB304
120
R331
4.7K 1/ 10W
C321
3.3pF
+
C324
470uF/16V
TX IICSDA
R306 390 1/10W
FB306
1000OHM
C309
0.1uF 50V
RX
R325
100 1/10W
R304 100 1/10W
IICSCL
C303
0.1uF 50V
C314
0.1uF 50V
C316
10uF/16V
IICSDA
U302
M24C 16
NC
1
NC
2
NC
3
VSS
4
SDA
5
SCL
6
WC
7
VCC
8
R316
4.7K 1/ 10W
C320
0.1uF 50V
C312
10uF/16V
+3. 3V
C307
0.1uF 50V
+1.8 VC C
DVI_AVCC
DVI_AVCC
MCU_VDD
MCU_VDD
DVI_AVCC
+1.8VD D
DVI_PVCC
+3.3 VD D
TODEBUG
MCU_VDD
ADC_VAA
TO RS232
+3.3VD D
R310 100 1/10W
MCU_VDD
+3. 3V
+3.3V
+1.8VC C
PANEL_IDX 4
BL_CONTROL 4
TXO2 -
TXO3 -
RX1-2
TXO2 +
TXO1 +
LED_G 4
RX2+2
HSIN2
TXE1 -
ISPSCL 2
TXO0 -
ISPSDA 2
DVI-SDA 2
RXC+2
TXE3 +
DVI-SCL 2
TXOC +
TXE2 -
RX1+2
TXO1 -
TXO0 +
TXEC +
RX0+2
VSIN2
TXO3 +
RXC-2
LED_R 4
TXE3 -
TXE0 +
TXEC -
RX2-2
TXE0 -
PANEL_PWR 4
TXOC -
TXE1 +
RX0-2
R309 100 1/10W
TXE2 +
CUT_A 4
16CSDA
BRIGHTNESS 4
DDC_W_D 2
DDC_W_A 2
SOG2
BIN2
GNDR2
GNDB2
GIN2
GNDG2
RIN2
DVI_CABLE 2
K_AUTO 4
KEY1 4
R308 100 1/10W
PANEL_VCC
C301
NC
'05-12-01
Change from port1 to port0
IICSCL
R313 100 1/10W
DC_SW 4
C315
NC
+3.3 V
PANEL_VCCPANEL_VCC
GND GND
R333
100 1/10W
24C16_WP
C325
100pF
MCU _VD D
MCU _VD D
TXE1-
TXEC-
TXO3-
TXO0-
TXE3-
TXO2-
TXE2-
TXO1-
TXE0-
TXOC- TXOC +
R335
47K 1/10W
TXE2+
TXO0+
R334 10K 1/ 10W
MCU_VDD
TXO1+
TXE0+
TXO3+
TXO2+
TXEC+
TXE1+
TXE3+
Ref Des Reserved
60952
2422025055721412
222224119876
10u
2422
10u
2222241198762408
TL431ACD
3198010704907402
+5V
2238786156492307
100n
10u
2238786156492313
2122118056693304
10K
3311
10K
232270260103
CN302
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
+3.3V
C319
3.3pF
R323
100 1/10W
HSO
VSO
IRQN
DVI_AVCC
DVI_PVCC
R338 NC

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HP L1740 Specifications

General IconGeneral
3DNo
Response time8 ms
Display diagonal17 \
Display resolution1280 x 1024 pixels
Viewing angle, vertical135 °
Contrast ratio (dynamic)-
Contrast ratio (typical)500:1
Display number of colors16.78 million colors
Viewing angle, horizontal150 °
Digital vertical frequency56 - 76 Hz
Digital horizontal frequency30 - 83 kHz
Display brightness (typical)300 cd/m²
Supported graphics resolutions720 x 400, 832 x 624, 1152 x 870, 1024 x 768 (XGA), 1360 x 768 (WXGA), 640 x 480 (VGA), 800 x 600 (SVGA)
USB hub version2.0
DVI-I ports quantity0
Cable lock slot typeKensington
Panel mounting interface100 x 100 mm
Power consumption (max)60 W
Power consumption (average)33 W
Power consumption (standby)2 W
Power consumption (typical)40 W
Product colorBlack, White
Country of originChina
Package weight8800 g
Sustainability certificatesENERGY STAR
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)248 mm
Height (with stand)490 mm
Weight (with stand)7000 g
Depth (without stand)62 mm
Width (without stand)371 mm
Height (without stand)315 mm
Weight (without stand)3760 g

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