Main Board: Power System - Philips QCG1.0S Service Manual

Circuit Diagrams and PWB Layouts

Main Board: Power System

5
TP6
+12V
BKLT_EN
+12V
12
11
D
10
9
+24VA
8
L88
7
6
121A40/8/NC
5
4
R459 0R/6/NC
3
2
1
R460
CN15
0R/6
EIC_4500-E12N/NC
PD46
2
C
Q28
MMBT3904/NC
C324
0.1uF/6
+5V_SW R479
10K/6
3 1
Q32 R481 R480
MMBT3906 10K/6/NC
2
B
Q26
MMBT3904/NC
+5V_U33
+5VSB
L95 R485
121A40/8
+5VS
L93
3
121A40/8/NC
1
+
C332
220uF/16V R489
A
330R/6/1%
QCG1.0S LA 10.
4
CN19
EIC_4606-12
PD52
GND
+24VA
+
+3.3V_COMMON
+5V_SW
R462
R461 NC
10K/6/NC +3.3V_COMMON
R464
10K/6
R467 NC
R470
R469 1K/6
1K/6 PWM3
2
PWM3
Q29
PWM
MMBT3904
PWM
PWM
C326 C327 C328
10uF/16V NC 1uF/8
4.7K/6
R483
R482 4.7K/6
4.7K/6/NC PBIAS
2
PBIAS
Q33 R697
MMBT3904 4.7K/6/NC
PBIAS2
PBIAS2
+3.3V_SMCU +5V_U33
L103
121A40/8/NC
1.5A Max
+3.3V_LPM
200/6/1% C329
L94 31mA 1uF/8
U34 121A40/8
2
VIN VOUT
5
VIN
ADJ/GND
9
E-PAD
AIC1084/TO263
+
8
EN
EN 54
3
TP7
C316
0.1uF/6
CN16 TP8 TP9
EIC_4606-10/NC
PD46
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
+5VS
TP11
1
2
3
4
5
6
R466
7
0R/6 +5VS
8
Q30
9
MMBT3906
10
11 3 1
12
17
13
C325
14
NC
12
J7
EIC_4606-14
PD52
+5VS
+5VS 2,3,7,15,17,18,19,21,22
+5V_SW
+5V_SW 6,10,12,22
+3.3V_LPM
11 +3.3V_LPM 15,19
+3.3V_COMMON
+3.3V_COMMON 12,19
+12V_SW
+12V_SW 6,12,22
17
+1.2V_LPM
+1.2V_LPM 15
+5VS L104
121A40/8
U33
+1.2V_LPM
APL5915KAI-TRL R484
1K/6/NC 220uF/16V
18mA
L92
7
POK
121A40/8
3
VOUT
4
VOUT
R486
1K/6/1%
2 +
FB
R488
2K/6/1%
C331 33nF/6
2009-Feb-20
2
L83 +5V_SW
121A40/8
+12V
L86
121A40/8 C314 121A40/8
+
0.1uF/6
121A40/8
L89 +5VS
121A40/8
+12VA
L90
121A40/8/NC
C317 L91
0.1uF/6 121A40/8/NC
+
C321
0.1uF/6 C322
470uF/16V
R523
0R/6
ACD 17,22
+3.3V_SMCU
R375
R471 4.7K/6 R472
10K/6 0R/6/NC
R477
0R/6
R476 STBY
10K/6
R690
2
10K/6
R475 Q31
4.7K/6 MMBT3904
Delta
+5VS 60mA/2A
+5V_SW 0.8~ 6.5(A)
+12V_SW 0.25~4(A)
+24VA 1.2~12(A)
R666 200/6/1%
U46
+
+
3 2
VIN VOUT
C358
1 4
ADJ/GND OUT
R667 330R/6/1%
AP1117ELA/TO223
PROJECT NAME:
WLZR-A1
Title
Power Sysytem
i S e z D o c u m e t n N u m b r e
A4
WLZSA1 ST FLI32626
D t a : e Thursday, January 08, 2009 S h e t e
1
+12V_SW
L85
L87
+12V_SW
C323
0.1uF/6
+
STBY 17,22
LC
2A
2A
2A
8/9.5 A
+3.3V_SMCU
L102
121A40/8
A
R e v
D2A
20 o f 22
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