HP LP2275w Service Manual page 28

22" LCD Color Monitor
3
1AM 7
2,3,4,5,6,10
1
2
8,9
MMBT3904L
3,5
7
5,9
5,9
R703 1K 1/16W 5%
3 PWM0/GPO_4_DIMMING/PWM_
R704
3 PBIAS_ON_OFF/BKLT_EN/PBIAS_
+5V
R708
3 PWM1/GPO_5_PANEL_ID/PWM_
10K 1/16W 5%
+3.3V_MS
+3.3V_MS
+5V DIMMING/PWM
+5V
ON_OFF/BKLT_EN/PBIAS
+3.3V
+3.3V
GND
+1.8V
+1.8V
+2.5V
+2.5V
+5V
+3.3VSF
+3.3VSF
+1.8V_SLR PANEL_ID/PWM
+1.8V_SLR
+5V
modify DIM control circuit 970110
R701
1K 1/16W 5%
R702 1K 1/16W 5% DIMMING/PWM
C701
Q701 1uF/16V
MMBT3904
47R 1/16W 5% ON_OFF/BKLT_EN/PBIAS
R706
2K7 OHM 1/16W 5%
R707 470R 1/16W 5% PANEL_ID/PWM
C702
Q702 0.1uF 16V
PMBS3904
+5V
C752
+
470uF/16V
+5V +5V
U701
CN701
3
VIN
11
10 C704 1
ADJ
9 220uF 25V C705
+
8
7 0.1uF 16V AIC1084-33PM
6
5
4
3
2
1
+5V
CONN U707
3
C749 + C750 1
220uF/25V 0.1uF 16V
1207 change vcc +5v
+5V
D704
U708
4 5
VCC OUTPUT
3 6
OCSET OUTPUT
2 7
EN VSS
1 8
FB VSS
AP1510SA
GND
GND
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
28
+3.3V
FB707
2 1 2
VOUT
120 OHM
142mA C706 C707
+
0.1uF 16V 220uF/25V
PMBS3904
2
VIN VOUT
ADJ
+
C751
AIC1084-33PM 100uF25V
GND Q707
PMBS3904
Power for TMDS MST30D1-LF
U702
3 2
VI VO
+
C745
220uF/25V + C747
AP1117E25LA C746 0.1uF 16V
100uF25V Q715
PMBS3904
1.8V/ 2.5A
L706
35uH
D705 R751
+
B360B 4K7 1/10W 5%
+ C757
100uF25V
GND GND
R752
3K6 1/10W 5% GND
GND
Victory Electronics Co . , Ltd. ) OEM MODEL
HP-Say id 22W
G2973-1-X-X-1-080603 TPV MODEL
LP2275
08. Power supply PCB NAME 715G2973-G
Monday , June 02, 2008 Sheet 8 of
HP LP2275w
+3.3V_MS
Q712
AO3401
+5V
R757
10K 1/16W 5%
Q713 R758
POWER_OFF_SL33 3
10K 1/16W 5%
GND
FB705
1 2 +3.3VSF
120 OHM
+3.3V_SLR
Q709
AO3401
+5V
R753
10K 1/16W 5%
R754
POWER_OFF_SL33
10K 1/16W 5%
GND
+2.5V
Q714 FB704
AO3401
1 2
120 OHM
+5V
R759
10K 1/16W 5%
R760
POWER_OFF_SL18
10K 1/16W 5%
GND
1.5A
+1.8V
FB706
1 2
120 OHM
+1.8V_SLR
Q710
AO3401
+5V
R755
10K 1/16W 5%
Q711 R756
POWER_OFF_SL18
PMBS3904 10K 1/16W 5%
GND
Size B
Rev G
<称爹>
称爹
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