HP L1740 Service Manual

17" LCD Color Monitor HP L1740
14
7. Schematic
7.1 Main Board
R243
2.2KΩ 1/10W
220pF
C234
R234
2.2KΩ 1/10W
C229
0.1uF 50V
R232
100Ω 1/1 0W
U201D
74LCX14T
9 8
R239
100Ω 1/10W
R207
10KΩ 1/ 10W
VSIN 3
HSIN 3
R213
NC
C228
0.1uF 50V
GND
GND
U201E
74LCX14T
11 10
DVI-SCL 3
DVI-SDA 3
5/16 ADD C226
for ESD
U201C
74LCX14T
5 6
14
7
D215
BAV70
3
1
2
R214 100Ω 1/10W
VGA_5V
DDC-VGA-SCL
R244
NC
DDC_W_A3
100Ω 1/10WR241
DDC-VGA-SDA
C233
0.22uF
U201F
74LCX14T
13 12
75-ohm terminating res istor
very close to the VGA
conn.
(10 mil, ┰キ︽絬 )
FB202
120Ω
1 2
GND
DVI _5V
GND
100Ω 1/10WR242
D203
BAV70
3
1
2
GND
ZD204
MM3Z 5V6B
Close to Scalar IC
GND
+5V
FB206
120Ω
1 2
BIN 3
+3. 3V
C230
0.1uF 50V
R212 0Ω 1/10W
UVCC
GND
R216 NC
GND
C209
NC
R233
0Ω 1/10W
R240
0Ω 1/10W
R201
NC
C210
NC
U201A
74LCX14T
1 2
C202
0.1uF 50V
C211
NC
HS
GND GN D GND
C212
NC
+3. 3V
GND
GND
GND
R208
NC
GND
CN201
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
1716
C213
NC
Gin1
ZD207
MM3Z 5V 6B
C231
33pF
C214
NC
R227
NC
GND
R228
NC
D207
NC
3
1 2
ZD 203
MM3Z5V6B
D210
NC
3
1 2
C208
NC
FB203
30 OHM
1 2
D206
NC
3
1 2
ZD202
MM3Z5V6B
D204
NC
3
1 2
D209
NC
3
1 2
R229
NC
D208
NC
3
1 2
D205
NC
3
1 2
D211
NC
3
1 2
FB205
30 OHM
1 2
FB201
30 OHM
1 2
CN202
DVI-D-Female
TX2-
1
TX2+
2
TX2/ 4 S hl d
3
TX4-
4
TX4+
5
DDC CLK
6
DDC DATA
7
A VS
8
TX1-
9
TX1+
10
TX1/ 3 S hl d
11
TX3-
12
TX3+
13
+5V
14
GND
15
HP Detect
16
TX0-
17
TX0+
18
TX0/ 5 S hl d
19
TX5-
20
TX5+
21
TXC Shl d
22
TXC+
23
TXC-
24
SHELL1
31
SHELL2
32
AR
C1
AG
C2
AB
C3
AHS
C4
AGND
C5
NC
C6
C207
NC
DVI_5V
RX0- 3
RXC- 3
RX1- 3
RX0+ 3
RXC+ 3
RX1+ 3
RX2+ 3
RX2- 3
ISPSCL3
DDC-VGA-SCL
R224
75 OHM +-1% 1/10W
VGA_CABLE 3
DVI_CABLE 3
C206
0.1uF 50V
R211 10KΩ 1/10W
R223
10KΩ 1/ 10W
R236
10KΩ 1/10W
R237
10KΩ 1/10W
R219
100Ω 1/10W
ISPSDA3
DDC-VGA-SDA
R238
4.7KΩ 1/10W
ZD208
MM3Z 5V 6B
100Ω 1/10WR203
100Ω 1/10WR202
C216
0.1uF 50V
DDC-DVI-SCL
DDC-DVI-SDA
D201
BAV99
3
1 2
Bin1
R222
100Ω 1/10W
R225
75 OHM +-1% 1/10W
C217
0.1uF 50V
D212
BAV99
3
1 2
ZD206MM3Z5V6B
R226
75 OHM +-1% 1/10W
C215
0.1uF 50V
ZD201MM3Z5V6B
FB204
120Ω
1 2
D213
BAV99
3
1 2
GND
GND
VGA_5V
GND
+3.3V
GND
GND
GNDB 3
GNDG 3
GIN 3
RIN 3
GNDR 3
GND
GND GN D
GND
GND
GND
GND
R215 100Ω 1/10W
C221 NC
C219
NC
U403
M24C02-WMN6TP
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
C223
NC
R217 100Ω 1/10W
R218 100Ω 1/10W
R220 100Ω 1/10W
R221 100Ω 1/10W
C226
NC
C218 0.1uF 50V
C220 0.1uF 50V
C222 0.1uF 50V
C224 0.1uF 50V
C225 0.1uF 50V
C227 0.1uF 50V
+5V
100Ω 1/10WR209
DDC-DVI-SCL
GNDGND
GND
DDC-DVI-SDA
C201
33pF
DDC_W_D3
+3.3V
100Ω 1/10WR210
C205
33pF
R206
10KΩ 1/ 10W
U402
M24C02-WMN6 TP
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
Rin1
ZD205
MM3Z5V6B
GND
SOG 3
R205
10KΩ 1/ 10W
+3.3V
R231
NC
R230
NC
DVI Input
GND
C204
0.22uF
Tit le
Size Doc ument Num ber Rev
Dat e: Sheet
of
G1864-1A-HP-X-1-070116
1
Signal Input
C
25Tuesday , January 16, 2007
U201B
74LCX14T
3 4
HS
GND
VS
GND
VS

HP L1740 Specifications

General

3D	No
Response time	8 ms
Display diagonal	17 \
Display resolution	1280 x 1024 pixels
Viewing angle, vertical	135 °
Contrast ratio (dynamic)	-
Contrast ratio (typical)	500:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	150 °
Digital vertical frequency	56 - 76 Hz
Digital horizontal frequency	30 - 83 kHz
Display brightness (typical)	300 cd/m²
Supported graphics resolutions	720 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 version	2.0
DVI-I ports quantity	0
Cable lock slot type	Kensington
Panel mounting interface	100 x 100 mm
Power consumption (max)	60 W
Power consumption (average)	33 W
Power consumption (standby)	2 W
Power consumption (typical)	40 W
Product color	Black, White
Country of origin	China
Package weight	8800 g
Sustainability certificates	ENERGY STAR

Weight 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