Circuit Diagrams And Pwb Layouts; Scaler Board: Power [S-A01] - Philips QCS1.0S Service Manual

Circuit Diagrams and PWB Layouts

7. Circuit Diagrams and PWB Layouts
Scaler Board: Power
5
SCALER BOARD: POWER
S-A01
TP1
L1
KHB0805R121SA
TP2 TP3
+
1 L5
1
KHB0805R121SA
2
2
3
3
L9
4
4
5 KHB0805R121SA
5
6
6
L10
7
7
KHB0805R121SA
D 8
8
L11
9
9
KHB0805R121SA
10
10
EIC_4606-10 C11 C12 C13
0.1uF 0.1uF 0.1uF
CN1
TP4
+5VS
Q3 1 R6 4.7K/NC 2
MMBT3906
R7 4.7K
2 2 1
R9
0R
1 2
C19
C20 R13 NC
NC 1K
C +12VA
TP5
+12VA
L13
KHB0805R121SA
+
12
11
+24VA
10
TP6 +3.3AVDD
9
8
L14
7
6
KHB0805R121SA/NC R17
5
0R/NC
4 PWM
3
2
1
R19
EIC_4500-E12N
0R
CN2
R21
10K
R22
B
4.7K
+5V_SW
R29 +5V_SW
100
R33
R34 R35 10K/NC
10K 10K/NC
Q7
2 2 1 2 1
MMBT3906
R648
0R
MMBT3904/NC
R39
0R
2 1
R30
1K
A
5
QCS1.0S LA
4
+5V_SW
+5VS L3
L2 KHB0805R121SA/NC
KHB0805R121SA
C2 1
0.1uF +5VS +5V_SW L8
2
3
KHB0805R121SA/NC
4
C7
0.1uF
+12V_SW
R3
1
R4
1
+ +
C16 C17 D1
1
0.1uF 0.1uF
R5
1 4.7K 2 2
PW R_OFF
Q2
MMBT3904
R8
0R
2 1
R10 200/1%
R11
+5VSB
2 2 1
STBY
U2
Q4 4.7K/NC
MMBT3904/NC
3
VIN
1
ADJ/GND
C21 + C23 C24
AIC1084/TO263
470uF/16V 0.1uF 0.1uF
R14
+24VA 330/1%
+
C32 C33
0.1uF 0.1uF/NC
+5VSB U4
3
C35
1
+5V_SW + C38
AP1117ELA/TO223
470uF/16V R18
0.1uF
330/1%
R20
10K
SELFD_INV
Q5
MMBT3904
2
R26
10K/NC
PWM R27
2 1
EXT_VBR
R36
10K/NC
2 2 1
PBIAS
Q8
PWM
C43
10uF/50V
4
7. 21
3
+5VSB
L4 +5V_VD +5V_SW +5V_VD
KHB0805R121SA L7
8 KHB0805R121SA
L6
7
KHB0805R121SA/NC
6
C3 C4
5
Q1 0.1uF C5 +
SI9435 0.1uF
470uF/16V
10K
2
0R +5VSB +5V_SW
2
2
L12
NC KHB0805R121SA/NC
C18
NC
+3.3AVDD
+5VSB D3
QG201A_SMA
D2
2
VOUT
2 1 2
C25 + QG201A_SMA
C22
0.1uF 220uF/35V
470uF/16V
R16 330/1%
2.5V_MEM
2
VIN VOUT
Near to U29A
C36
4
ADJ/GND OUT
+ C37
0.1uF
10uF/50V
+5V_SW +3.3AVDD
R23 R24
NC NC
R25 NC
2 1
VBR_OUT
0R R28 NC
2 1 2 1
C41 C42 R32
NC NC NC
R31 NC
2 1 2 2 1
PWM1
Q6
MMBT3904/NC
+5V_SW +3.3AVDD
R37
NC R38
10K
R40 4.7K R41 NC
2 1 2 1
C44 C45
R42
NC
1uF
2 2 1
Q9
4.7K
MMBT3904
3
2
R1 200/1%
+3.3V_SW
U1
3 2
VIN VOUT
C8 C9
1
ADJ/GND
C10 +
AIC1084/TO263 C6
0.1uF 0.1uF 0.1uF 220uF/35V
R2
330/1%
R12 220/1%
1.8V_MST
U3
1 3 2
VIN VOUT
C29
1
ADJ/GND
C26 + C28 +
AIC1084/TO263 C27
0.1uF 0.1uF 220uF/35V
R15
100/1%
CN3 +5V_SW
L16
1
KHB0805R121SA
2
3
EIC_4500-E03N C40
0.1uF
+5VS
1.8V_MST
1.8V_MST 7
+5V_SW
2.5V_MEM
2.5V_MEM 7,8
+5V_VD
+3.3V_SW
+3.3V_SW 4,9,10,11,15,16
+12VA
+3.3AVDD
+3.3AVDD 6,7
+12V_SW
+5VSB
+5VSB 5,6,13
PWM0
2
1
S-A01
D
C
B
+5VS 2,3,4,6,10,11
+5V_SW 12
+5V_VD 13,14,17
+12VA 12
+12V_SW 6,10,11,12,14
A
I_17540_018.eps
310108
1