Philips 32PF1600T/96 Service Manual page 64

5VSS D40
1N4148
C523
1
R543 U32
C524 C526 10K3
+
470U 10u10 C527
0.1u3 7
EN VSW
2
R545
NC MP1583
8
SYNC
C651
R549
0R5 10u5
C530
0.1u3
C533
0.1u3
R552
10K3
5VSS D41
1N4148
1
C538 R553 U33
+ C537 10u10 C539 10K3
0.1u3
470U 7
EN
2
R555
NC MP1410
C652 8
SYNC
R560 10u5 C546
0R5
0.1u3
Vout=1.22 X(R221+R222)/R222
0.01u3
L43 22UH/SIQ127
3
D32
EC31QS04
1
5 R547 10K5F C528
FB
+
SOIC8-6-1_27
1000U
C531 C532 2
47u10 0.1u3
R550
5.76K5F
C534
NC
1.8V
R559 4K75
R561 10K
C535 0.01u3
Vout=1.22 X(R228+R229)/R229
L45 10UH/SIL104
3
VSW
D34
EC31QS04 C543
1000p3
5 R559 5.6K3F
FB
C550
SOIC8-6-1_27 C549
47u10 0.1u3
C552
0.1u3
R561
10K5F
R562 C554
Change voltage from 2.0V to 1.8V
10K3 NC
V33
2.6A
5VS V33
R572 NC0R6
Q36
C565 R548
C529 D33 1
NC1u5 4.7K3 2
NC
1000p3 3
4
SI9435
R574
0R3
Q37 1
MMBT3904
R551 100K3
2.0V 1.9V
C614
6K34 5.6K 10U5
10K 10K
5VSS
1
V20
C540 C541
+
1.2A 470U 0.1u3
2
1
D36
+
C542 NC
1000U R558
2 0R5
5VS
D31 D49 L41
1
SSM14LAPT SSM14LAPT NC/BEAD/6
V33SW
1
L44
C713
2 1
1 10U5 SI2301DS
BEAD/6
C556
+
8 C733
7 470U 22u10 R742
6 2 D51
100K
5 1N4148
POWER_ONA 7
5VCCA
1
2
POWER_ON 12,15,22
3
4
D42
1N4148
C536 0.01u3
R554 U34
L46
10K3
7 3 PAN
EN VSW
D35
EC31QS04
R556 MP1410
NC
8 5 R557
SY NC FB
C547
C653
0.1u3 SOIC8-6-1_27
10u5
C553
0.1u3
R563 C555 R564
10K3 NC 10K5F
Size
B
Date:
EN 62 MQC2.OA LA
7
5VSS
5VCC
D50
2
SSM34L
C525
+
1000u
Be removed
U54
Q52 5VCC
8
7
6
5
NC/SI9435
Vout=1.22 X(R234+ R237)/R237
47UH/SIL104 V25
1
10.5K5F C545 D37
+
C544
1000p3 470U NC
C548 2
C551
0.1u3
47u10
PROJECT : DC-DC
Quanta Computer Inc.
Document Number
DC-DC
Monday , April 10, 2006 Sheet 21 of 23
1.7A
Rev
C