HP L1740 Service Manual page 15

17" LCD Color Monitor
FB302
112 120
ADC_VAA
+3.3V
120Ω
C302 C303 C304
10uF/16V 0.1uF 50V 0.1uF 50V
FB303
15 82
+3.3V +3.3VDD
120Ω
C305 C306 C307
10uF/16V 0.1uF 50V 0.1uF 50V
FB301
99 108
+3.3V DVI_AVCC
120Ω
C308 C309 C310
NC 0.1uF 50V 0.1uF 50V
FB304
110
DVI_PVCC
120Ω
C311
0.1uF 50V
FB305
14 89
+1.8VDD
+1.8VCC
120Ω
C312 C313 C314
10uF/16V 0.1uF 50V 0.1uF 50V
FB307
+3.3V
MCU_VDD
120Ω
MCU_VDD
C318
0.22uF R320 R321 R322
NC 4.7KΩ 1/10W 4.7KΩ 1/10W
U302
1 8
NC VCC
24C16_WP
2 7
NC WC
3 6 16CSCL IICSCL
NC SCL
4 5 R325
VSS SDA
100Ω 1/10W
16CSDA IICSDA
M24C16
R326
100Ω 1/10W
8P-DIP TYPE
R328
w/ SOCKET
NC
MCU_VDD
CN303 CN304
1 1
R336 NC TX
2 2
RX
3 3
R338 NC
4
NC
NC
TODEBUG
TO RS232
VSO
HSO
IICSCL
IICSDA
RSTN
IRQN
2 RX2+
2 RX2-
2 RX1+
DVI_AVCC
2 RX1-
103
2 RX0+ RX0+
104
2 RX0- RX0-
105
AGND
106
2 RXC+ RXC+
107
2 RXC- RXC-
108
DVI_AVCC AVCC
109
DVI_AVCC
REXT
R306 390Ω 1/10W
110
DVI_PVCC PVCC
111
PGND
112
ADC_VAA ADC_VAA
113
BIN1+
114
BIN1-
115
SOGI1
116
GIN1+
117
GIN1-
118
RIN1+
119
RIN1-
120
ADC_VAA
121
ADC_GNDA
122
2 BIN BIN0+
123
2 GNDB BIN0-
124
2 SOG
SOGI0
125
2 GIN
GIN0+
126
2 GNDG GIN0-
127
2 RIN RIN0+
128
2 GNDR
RIN0-
2 HSIN
R318 100Ω 1/10W
2 VSIN
R319
100Ω 1/10W
'05-12-01
Change from port1 to port0
C320
0.1uF 50V
C323
10uF/16V
C324
470uF/16V
IICSCL
IICSDA
+3.3VDD
+1.8VDD
U401
NT68663MEFG-128
+1.8VDD +3.3VDD
C319
R323
100Ω 1/10W
3.3pF R324
1MΩ 1/10W
Y 301
12.000MHz
+3.3VDD
C321 C322
R327 3.3pF 22pF50V
4.7KΩ 1/10W
BRIGHTNESS 4
R333
100Ω 1/10W
Aug.-25-06 change to dip
C325
100pF
FB306
1000OHM
R339 NC
+1.8VCC
R334 10KΩ 1/10W
R335
47KΩ 1/10W
15
GND
TXO0-
TXO0+
TXO1-
TXO1+
TXO2-
TXO2+
TXOC-
TXOC+
TXO3-
TXO3+
TXE0-
TXE0+
TXE1-
TXE1+
TXE2-
TXE2+
TXEC-
TXEC+
TXE3-
TXE3+
64
TCLK2M
63
TCLK2P
62
T7M
61
T7P
IICSDA
60
P35/T1
R304 100Ω 1/10W
59 IICSCL
P34/T0
R305 100Ω 1/10W
58
PB3/ADC3/INTE1
57 IRQN
PB2/ADC2/INTE0
TX
56 MCU_VDD
P31/TXD
55 HSO
PD6
54 RX R307
P30/RXD
100Ω 1/10W
53 PANEL_VCC
RSTB
52
PA7/PWM9*
51 R308 100Ω 1/10W
PA6/PWM8* K_AUTO
50 R309 100Ω 1/10W
DDC_W_A
PA5/PWM7*
49 R310 100Ω 1/10W
PA4/PWM6* DDC_W_D
48
PA3/PWM5
C301
47 NC
PA2/PWM4
46
PA1/PWM3
45 R313 100Ω 1/10W
PA0/PWM2 DC_SW
VSO
44 C315
PD0
NC
43
MCU_VCC
42
PC0*
41
PC1*
MCU_VDD
40
PC2
39
PC3/PWM0
R315 R316
4.7KΩ 1/10W 4.7KΩ 1/10W
LED_R 4
LED_G 4
VGA_CABLE 2
PANEL_PWR 4
DVI_CABLE 2
DVI-SDA 2
DVI-SCL 2
ISPSDA 2
ISPSCL 2
R329 R330 R331 R332
KEY 1 4
MCU_VDD
+5V
+3.3V
HP L1740
CN302
1
TXO0-
2
TXO0+
3
TXO1-
4
TXO1+
5
TXO2-
6
TXO2+
7
8
TXOC-
9
TXOC+
10
TXO3-
11
TXO3+
12
TXE0-
13
TXE0+
14
15
TXE1-
16
TXE1+
17
18
TXE2-
19
TXE2+
20
TXEC-
21
TXEC+
22
TXE3-
23
TXE3+
24
25
26
27
28
PANEL_VCC 29
30
R302 R303
0Ω 1/10W 0Ω 1/10W
CN301
TXO0- 1 2 TXO0+
TXO1- 3 4 TXO1+
TXO2- 5 6 TXO2+
TXOC- TXOC+
7 8
TXO3- TXO3+
9 10
TXE0- TXE0+
11 12
TXE1- 13 14 TXE1+
TXE2- 15 16 TXE2+
TXEC- 17 18 TXEC+
TXE3- 19 20 TXE3+
GND 21 22 GND PANEL_VCC
23 24
NC
4
2
2
4
MCU_VDD
C316
10uF/16V
C317
0.1uF 50V
BL_CONTROL 4
CUT_A 4
24C16_WP
PANEL_IDX 4
Ref Des Reserved
1412 242202505572
60952
2408 222224119876
10u
2422 222224119876
10u
7402 319801070490
TL431ACD
2307 223878615649
100n
2313 223878615649
10u
3304 212211805669
10K
3311 232270260103
10K
Title
Scaler
Size Document Number Rev
Custom 1
G1864-1A-HP-X-1-070116
Date: Tuesday , January 16, 2007 Sheet 3 of 5