HP L1906 Service Manual

19" LCD Color Monitor HP L1906
20
3.3V_DVDD
E_R1P
ROM_SDI
C317
0.1uF/16V
R307
4.7K 1/16W
R304
NC
O_CLKP
LV2_O_G0N 4
R303
NC
R315
4.7K 1/16W
7.67mA
3.3V_PVDD
O_B1P
R329
1K 1/16W
C321
0.1uF/16V
R324
4.7K 1/16W
C308
0.1uF/16V
U402
SST25VF010-20-4C-SA
1
2
3
4 5
6
7
8
CE#
SO
WP#
VSS SI
SCK
HOLD#
VDD
Name
GND
O_B0N
V_EDID_ATMEL
Reserver GM2621 BC Version LVDS only
-Internal reset circuit mount
R333=12K,R329=6K
ROM_WP#
L301
120 OHM
UART on DDC
R312 100 1/16W
LV0_E_G2P 4
C323
0.1uF/16V
E_R0P 4
E_R1P 4
NVRAM_SCL/T-ROE
C302
0.1uF/16V
Open
GND
LED_O
(4)
C318
0.1uF/16V
ATMELSPI ROM
GND
T_ROE 4
C307
0.1uF/16V
U302
G691L400T73
1 2
3
GND RESET(RESET)
VDD
G-PROBE
+3.3PV_VDD
LV1_O_G1N 4
C304
0.1uF/16V
33.42mA
GND
O_R0P 4
LV2_E_G0N
E_B0P
3.3V_LAVDD
GPO_0
C333
0.1uF/16V
R319
NC
3
A
gm5621
C
16Friday, April 01, 2005
Title
Size Document Number Rev
Date: Sheet
of
LV0_O_G2P
1.8V_AVDD
Q302
PMBS3904
LV3_E_R2P 4
C311
0.1uF/16V
1.8V_AVDD
ROM_SCLK
+
C325
22uF/50V
ATMELSPI ROM
LV2_E_G0P
R308
4.7K 1/16W
Close to respective power Pins
LV2_O_G0N
(SPI_CSn)
GND
T_OSP 4
Reseerver GM2621 BC Version LVDS
only-external reset mount
R334=4.7K,internal reset ciriuit
mount R335=4.7K
3.3V_PVDD
+3.3PV_VDD
E_B2P 4
LV3_O_R2P 4
NVRAM_SDA/RSP
LV1_E_G1N 4
O_CLKN
GM2621AA
Dsub_EDID_WP(2)
O_CLKP 4
O_B2N
C329
NC
C305
0.1uF/16V
GND
E_B1N 4
LV1_E_G1N
Open
GND
DDC_SCL_VGA(2)
E_CLKP 4
T_ROWCLK 4
UART on GPO
+1.8V_VDD
O_B2P
C310
0.1uF/16V
+3.3V_VDD
T_LP 4
UART_PIN_SEL
O_R1N 4
LV1_E_G1P
LV2_O_G0P
C331
0.1uF/16V
UDART_DO
E_B1P
GND
BLUE-(2)
GND
E_B0P 4
NVRAM_SCL/T-ROE
BRIGHTNESS(6)
E_CLKP
T_ESP
O_B1N
3.3V_DDC
LV0_E_G2N 4
LV3_E_R2P
C327 33pF
Close to respective power Pins
GND
LV0_O_G2N 4
UDART_DI
U401
gm2621/gm2626
MQFP-128
56
49
50
33
34
36
37
38
39
35
29
40
62
60
27
45
41
96
42
119
100
61
12
10
9
8
5
4
3
24
6
7
94
93
52
127
125
124
123
46
44
43
51
28
32
31
30
13
14
15
16
85
19
20
21
22
11
23
99
59
97
103
104
105
106
108
109
110
111
89
90
65
64
121
120
122
126
128
57
58
63
66
67
69
72
73
75
76
80
81
83
84
107
112
113
114
115
1 26 48
17 55 118 87
95 98 102
91 116 53 101 92 82 74 2 25 47
68 71 77 79
86 78 70
18 54 88 117
GPO_1
PBIAS
PWM0 / GP0_4
O_CLK_N
O_CLK_P
O_CH2_P
O_CH1_N
O_CH1_P
O_CH0_N
O_CH2_N
RESERVED
O_CH0_P
SPI_DO
SPI_CLK
RESERVED
RESERVED
RESERVED
GREEN+
RESERVED
PWM1 / GPO_5
RED-
SPI_DI
E_CH2_P
E_CLK_P
E_CLK_N
E_CH3_P
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
E_CH3_N
BLUE-
BLUE+
CRVSS
PPWR
GPIO_13
GPIO_12
GPIO_11
RESERVED
RESERVED
RESERVED
GPO_0
RESERVED
O_CH3_P
O_CH3_N
RESERVED
E_CH1_N
E_CH1_P
E_CH0_N
E_CH0_P
AVSS_DVI
RESERVED
RESERVED
RESERVED
RESERVED
E_CH2_N
RESERVED
RED+
SPI_CSn
GREEN-
AVSS_ADC
AVDD_ADC_18
VBUFC_RPLL
VDD_RPLL_18
XTAL
TCLK
AVDD_RPLL_33
RESETn
HSYNC
VSYNC
DDC_SDA_VGA
DDC_SCL_VGA
GPIO_9
GPIO_8
GPIO_10
GPIO_14
AVDD_BIAS_33
GPO_2
GPO_3
RESERVED
DDC_SCL_DVI
DDC_SDA_DVI
REXT
RX2+
RX2-
RX1+
RX1-
RX0+
RX0-
RXC+
RXC-
VSS_RPLL
LBADC_VSS
LBADC_IN3
LBADC_IN2
LBADC_IN1
AVSS_BIAS VSS_OUT VSS_OUT
CVDD_18 CVDD_18 CVDD_18 CVDD_18
AVSS_ADC AVSS_ADC AVSS_ADC
RVDD_33
LBADC_VDD_33
RVDD_33
AVDD_ADC_33 AVDD_ADC_33
AVDD_DVI_33 AVDD_DVI_33
VDD_OUT_33 VDD_OUT_33 VDD_OUT_33
AVSS_DVI AVSS_DVI AVSS_DVI AVSS_DVI
AVDD_DVI_18 AVDD_DVI_18 AVDD_DVI_18
CRVSS CRVSS CRVSS CRVSS
T_RSP 4
1
3.3V_PVDD
O_B2N 4
O_B0N 4
E_R1N
E_B2N
Ext. ROM JTAG Off
1.8V_DVDD
L304
120 OHM
Close to respective power Pins
LBADC1 (4)
O_R1P 4
2/2,05 Cancel C312,C313,C314
UDART_DI
LV3_O_R2N
OPTIONAL
FOR
DEBUGGING
PURPOSES
ONLY
LV1_O_G1N
C328 47pF
C322
0.1uF/16V
ATMEL_EN
GND
+3.3PV_VDD
+3.3V_VDD
LV3_E_R2N 4
LV3_E_R2N
R334
NC
T_LP
T_OSP
GND
LV1_O_G1P
GND
LV3_O_R2P
Standard SPI ROM
GND
3.3V_PVDD
GREEN+(2)
E_B1N
L303
120 OHM
DDC_SDA_VGA(2)
LV2_E_G0P 4
LV0_E_G2N
C303
0.1uF/16V
C324
0.1uF/16V
Standard SPI ROM
RED+(2)
Flash-WP
R310 100 1/16W
R311 100 1/16W
GND
LBADC2 (4)
O_B1N 4
Open
O_R0N 4
R306
4.7K 1/16W
O_R0P
R327
10K 1/16W
R335
NC
T_POL
R318
4.7K 1/16W
10 KOhm
+5V
GND
RED-(2)
VS(2)
CN301
NC
1
2
3
4
R301 10 1/16W
(PWM1)
4.0V
+3.3V_VDD
PBIAS (6)
C320
0.1uF/16V
+
C309
22uF/50V
C306
0.1uF/16V
C326
0.1uF/16V
2
95.0mA
GND
LED_G
(4)
R316
4.7K 1/16W
GND
LV0_O_G2N
O_B0P
RESETn
PPWR (6)
E_R0N 4
PPWR
O_R1P
3.3V_AVDD
LV2_O_G0P 4
R317
4.7K 1/16W
Boot-Strap Configuration:
CABLE_DET (2)
NVRAM_SDA/RSP
3.3V_DVDD
LV1_E_G1P 4
+
C316
22uF/50V
LV1_O_G1P 4
HS(2)
O_B2P 4
E_B2N 4
O_B0P 4
PBIAS
O_R1N
R333
NC
R325
4.7K 1/16W
R328
47K 1/16W
+P5V
C332
0.1uF/16V
R309 100 1/16W
6.10mA
3.3V_LAVDD
GREEN-(2)
LV0_O_G2P 4
UDART_DO
R323
4.7K 1/16W
(PWM0)
3.3V_DVDD
E_CLKN 4
O_B0N
X301
14.318MHz
T_POL 4
LV3_O_R2N 4
U403
M24C16-MN6T
1
2
3
4 5
6
7
8
A0
A1
A2
VSS SI
SCK
WP
VCC
GND
E_CLKN
/WP-T_ROWCLK
E_B0N
+
C301
22uF/50V
GND
T_ESP 4
O_R0N
3.3V_AVDD
O_CLKN 4
O_B1P 4
BLUE+(2)
L305
120 OHM
Default
45.2mA
R313 100 1/16W
+3.3V_VDD
Open
E_R1N 4
E_B0N 4
E_R0P
139.54mA
1.8V_DVDD
E_B1P 4
LV0_E_G2P
E_B2P
Flash-WP
L306
120 OHM
+
C319
22uF/50V
RESETn
L302
120 OHM
LV2_E_G0N 4
/WP-T_ROWCLK
E_R0N
ROM_WP#
GND
R320
NC
3.3V_DDC

HP L1906 Specifications

General

3D	No
Pixel pitch	0.294 x 0.294 mm
Display diagonal	19 \
Display resolution	1280 x 1024 pixels
Vertical scan range	50 - 76 Hz
Horizontal scan range	30 - 83 kHz
Viewing angle, vertical	130 °
Contrast ratio (dynamic)	-
Contrast ratio (typical)	500:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	140 °
Display brightness (typical)	270 cd/m²
Supported graphics resolutions	1280 x 1024 (SXGA)
On/off switch	Yes
DVI-D ports quantity	0
Tilt angle range	0 - 15 °
Panel mounting interface	100 x 100 mm
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	37 W
Power consumption (standby)	2 W
Power consumption (typical)	33 W
Certification	CISPR, VCCI, CSA, TUV, GS, CCC, MIC, FCC, UL, GOST, SASO
Product color	Black, Silver
Country of origin	China
Market positioning	Business
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Package weight	7000 g
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	203 mm
Height (with stand)	427 mm
Weight (with stand)	5300 g
Depth (without stand)	59 mm
Width (without stand)	422 mm
Height (without stand)	362 mm
Weight (without stand)	- g