HP LP2475w Service Manual page 28

24" LCD Color Monitor
+3.3V_I/O
R403 PS_ON1 = HIGH when Normal
4.7K OHM 1/10W PS_ON1 = LOW when POWER SAVING
+ C241 +5V
22uF50V
R404 Q402
PS_ON
10K OHM 1/16W
PMBS3904
+5V
GND GND
+
+5V R406
10K OHM 1/16W +12V
R409
10K OHM 1/16W GND
R414
Q404
PMBS3904
10K OHM 1/16W
R416
Q406
PBIAS
PMBS3904
1K OHM 1/10W GND
GND
R417
+5V NC
R581
NC
0 OHM 1/10W
R586 DIM=0~3.3V(Max. Lum.)
R419 470 OHM 1/10W DIM
PWM_ADJ
R420
Q407
NC C405
NC 1uF/16V
GND GND
+5V
Q401
AO3401
C750
1uF/16V
33K OHM 1/10W
R592 PMBS3904
U403 +3.3V
G1084-33T53Uf L402
TO263GOI
3 2 1 2
VIN VOUT
C407 C406 + 120OHM
470uF 25V
0.1UF16V
2/15
derating
3/17
GND
+3.3V_ADC
U404 L403 600 OHM
AIC1117-33PY
3 2
+3.3V_ADC1
VI VO
C408
+3.3V_ADC2
0.1UF16V + L404
C409 600 OHM
100uF 16V
GND
+3.3V_ANG
U405 L405 600 OHM
AIC1117-33PY
3 2
VI VO
L406 600 OHM
C410
0.1UF16V + L407 600 OHM
C411
100uF 16V
L408 600 OHM
GND
1.8V/ 2.5A
L401 35uH+/-10%
U406
4 5
VCC OUTPUT
3 6
OCSET OUTPUT
2 7
EN VSS
+ 1 8 +
FB VSS
B360B
AP1510SA D402
GND GND GND
3.6K OHM 1/10W
GND
D401 +2.5V_DDR_REG
GS1D
U407
G1117-25T63Uf
SOT223GOI L413
R429
3 2 1 2
VIN VOUT
120OHM
+ C420
100uF 16V C418 C419
+
0.1UF16V 100uF 16V
GND
+12V
CN402
PS_ON_1 1
+5V 2
+5V 3 R405 0 OHM 1/4W
+5V 4
+5V 5
GND 6 R407
GND 7
NC
GND 8 R408
GND 9 100K OHM 1/16W
GND 10 R411
+12V 11
+12V 12
ON/OFF 13 1K OHM 1/10W R412 NC
DIM 14
PPWR
R415
CONN NC
Q405
NC/PMBS3904 GND
+3.3V +3.3V_DEVICE
+3.3V_DEVICE
+5V +3.3V
33K OHM 1/10W R570
R421 10K OHM 1/16W
CN406
Q408 R422 NC
POWER_OFF
10K OHM 1/16W JUMPER FOR ISP
4/17 derating
GND
23mA
+3.3V_I/O
+3.3V_DEVICE
R308 0.1UF16V
CN407
NC C528
1
2
NC GND
25mA
27mA
+1.8v _SLR
R309
CN408
NC
1
2
10mA
+3.3V_PLL
NC GND
12mA
+3.3V_LVDS_PLL
68mA
+3.3V_LVDS
0.49mA
+3.3V_LBADC
+1.8V_ADC
L409 600 OHM
+1.8V
43.5mA
L410 120 OHM
1.85A
+1.8V_CORE
L411 600 OHM
R425
4.7K OHM 1/10W 17.6mA
+1.8V_DLL
+ C416
100uF 16V
L412 600 OHM
24mA
+1.8V_PLL
R426
GND
+1.8v _SLR
Q409 +1.8V +1.8v _SLR
AO3401
GND
R427 +5V
10K OHM 1/16W
Q410 R428
POWER_OFF
PMBS3904 10K OHM 1/16W
CN409
GND NC
JUMPER FOR ISP
+2.5V_DDR
0 OHM 1/10W
385mA
Panel_Power
PANEL_PWR_IN
+
C403 C404 U402
100uF 16V 1uF/16V 1 8
S D
2 7
S D
R410 3 6
S D
4 5
G D
22K OHM 1/16W
AO4411
PMBS3904 R413
Q403 1K OHM 1/10W
GND
+3.3V_DEVICE
C534
+
220uF 25V C535
0.1UF16V
GND
+3.3V_I/O
0.1UF16V 0.1UF16V 0.1UF16V 0.1UF16V 0.1UF16V
C530 C529 C533 C532 C531
GND
28
HP LP2475w
D
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Hurley 24W Size
T2972-G-X-X-1-080604 TPV MODEL Rev G
絬 隔 瓜 絪 腹
Key Component 08. Power PCB NAME
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Date Wednesday , June 04, 2008 Sheet 8 of 10