HP L1950 Service Manual page 21

19" LCD Color Monitor
1 DSUB_R+
1 DSUB_R-
1 DSUB_G+
1 DSUB_G-
1 DSUB_SOG
1 DSUB_B+
1 DSUB_B-
1 DSUB_H
1 DSUB_V
1 DDC1_SDA
1 DDC1_SCL
1 RX2P
1 RX2N
1 RX1P
1 RX1N
1 RX0P
1 RX0N
1 RXCP
1 RXCN
1 DDC2_SDA
1 DDC2_SCL
AVDD
R204 390 OHM 1/16W
VCC3.3 0.1uF/16V
C201
C218
U402
0.22uF16V
1 8
CE VCC
2 7
SO HOLD#
10K 1/16W R210 WP 3 6
WP# SCK
4 5
GND SI
3 PPWR_ON#
PM25LV010A
C220
CMVCC
10uF/50V R219
100K 1/16W
R201 0R05 1/16W
C221 33pF
X201
14.31818MHz
C222 27pF 50V
cha ng e C22 1 from
22 pf to 3 3p f
C223 0.1uF/16V
Ch an ge C2 22 fro m
22 pf to 27 pf
R226
10K 1/16W
R230 R231 R232
10K 1/16W 10K 1/16W 10K 1/16W
EE_WP
MSCL
MSDA
VDVI VMPLL VPLL AVDD VDDP VDDC
U401
HUM56AWL-LF
81
VCTRL
54 PA0
LVA3P
PA1
23 55
RIN0P LVA3M
22 58 PA2
RIN0M LVACKP
20 59 PA3
GIN0P LVACKM
PA4
19 60
GIN0M LVA2P
21 61 PA5
SOGIN0 LVA2M
18 62 PA6
BIN0P LVA1P
PA7
17 63
BIN0M LVA1M
27 64 PA8
HSY NC0 LVA0P
28 65 PA9
VSY NC0 LVA0M
30
DDCA_SDA/RS232_TX
31
DDCA_SCL/rs232_RX
3
R+
4
R-
6
G+
7
G-
9
B+
10 67 PB0
B- LVB3P
12 68 PB1
CK+ LVB3M
PB2
13 69
CK- LVBCKP
100 70 PB3
DDCD_SDA LVBCKM
1 71 PB4
DDCD_SCL LVB2P
PB5
72
LVB2M
73 PB6
LVB1P
74 PB7
LVB1M
PB8
15 77
REXT LVB0P
78 PB9
LVB0M
26 36
REFP NC
45
NC
46
NC
25
REFM
EE_WP
41
GPIO_P23
42
GPIO_P22
35
GPIO_P15/PWM0
47 R207 100R 1/16W
PWM2/GPIO_P24
37 LVDS
SDO
38 85
SCZ GPIO_P12
39 86
SCK PWM1/GPIO_P25
40
SDI
87
RSTN
48 88 R213 100R 1/16W
GPIO_P27/PWM1 GPIO_P00/SAR1
89 R214 100R 1/16W
GPIO_P01/SAR2
90 R215 100R 1/16W
GPIO_P02/SAR3
84
RST
91 R217 4K7 1/16W
GPIO_P06
92 R218 4K7 1/16W
GPIO_P07
93 R220 NC
PWM0/GPIO_P26
94
GPIO_P13
96 95 R221 NC
XIN GPIO_P14
99 R222 100R 1/16W
GPIO_P16/PWM2
97
XOUT
80
BY PASS
44 R224 100R 1/16W
GPIO_P10/I2C_MCL
43 R225 100R 1/16W
GPIO_P11/I2C_MDA
52
MODE[0]
53
MODE[1]
R227
10K 1/16W
VCC3.3
U204 C224 R236 U201 NC
0.22uF16V NC
8 1 8 1
VCC NC
7 2 7 2
WC E1
6 3 MSCL 6 3
SCL E2
5 4 MSDA 5 4
SDA VSS
M24C04-WMN6TP
HDCP Key EEPROM
VCC3.3
1 VCC3.3
4 VCC1.8
PA[0..9]
PA[0..9] 3
PB[0..9]
PB[0..9] 3
DDC_WP
Q201
R202 2N3904S-RTK/PS
PANEL_VCC
22K 1/16W
C217
R203
0.1uF/16V
10K 1/16W
R233
6K8 1/16W
R234 10K 1/16W CMVCC
C231
WP 0.1uF/16V R208
6K8 1/16W
on_BACKLIGHT 4
adj_BACKLIGHT 4
R211 10K 1/16W
KEY 2
KEY 1
C219
DET_CABLE 1
0.1uF/16V
HPD_CTRL 1
Mute 4
POWER_KEY #
VCC3.3
R223 10K 1/16W
MSCL
MSDA
R228
3.9K OHM 1/16W
CN201
VCC3.3
1
2
3
4
5
6
R235 NC
C225
CONN 0.1uF/16V
C230
NC
Near to Connect
21
VDDP
VCC3.3 FB203 AVDD VCC3.3
300OHM
+ C203 C204 C206
C202
10uF/50V 0.1uF/16V C205 C207
0.1uF/16V 0.1uF/16V
0.1uF/16V 0.1uF/16V
VCC1.8 VDDC VCC3.3 FB201 VMPLL
FB205 VCC3.3
300OHM
0R05 1/8W C214
+ C211
C209
NC C212 C213 0.1uF/16V
C210
0.1uF/16V 0.1uF/16V 0.1uF/16V
0.1uF/16V
1
VCC3.3
VCC3.3
R205
10K 1/16W
R209
10K 1/16W
Q202
2N3906S-RTK/PS
Q203 R212
2N3906S-RTK/PS
LED_GRN/BLUE
R216 56 OHM 1/16W
Volume# 4
1 Q205
NC
VCC3.3
R229
3.9K OHM 1/16W
KEY 1
KEY 2
POWER_KEY #
LED_GRN/BLUE
LED_ORANGE
C226 C227 C228 C229
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL HP L1750/L1950
线路图编号 G2559-1-3-X-2-070719 TPV MODEL
Key Component 03.Scalar PCB NAME 715G2559-1-3
Thursday , July 19, 2007 Sheet 3 of 5
Date
HP L1950
FB204 VPLL
300OHM
C208
0.1uF/16V
VDVI
FB206
0R05 1/8W
C215 C216
0.1uF/16V 0.1uF/16V
LED_ORANGE
75R 1/16W
Size C
Rev -1-3
备注 备注