Ssb: Dc/Dc (B01) - Philips 32PFL3404/77 Service Manual

Circuit Diagrams and PWB Layouts
SSB: DC/DC
8 7
B01
DC - DC
F
+3V3 +3V3 5V_M1 5V_M1
R453
1K
R451
NC
4K7
R452 R115 L59
100R
4K7 120R
R128
C
1K
UP34 Q9
B
BT3904
E
C268
1000P
GND
E GND
12_M
L21
220R
C151 C105
C152
0.1U 100U
100P
16V
C150
0.1U
GND GND GND GND
D
R752
0R
5V_M
5V_M1
Q57
A03401A
5V_M
R120
22K C541
0.1U
R731
47K R697
470K
R119
Q4
BT3904 4K7
C
C
D33
B LL4148
E
C556
4U7
GND
GND
5V_M
U3
LD1117S
R5
R4
2R7 2R7
S-NC
S-NC
R108
R10
820R
S-120
2R7
S-0
B
5V_DDR
C133 C93
0.22U
47U
R107
6V3
910R
S-200
C103 C141
GND 100U 0.1U GND
16V
A
8 7
TCM3.1L LA 10.
6
Z143
R708
Z159
T
0R
P22
T
+24/12V +24/12V
12_M1 12_M1
R6
2 1 0R
Z8 5VSB
+24/12V GND
C137
5VSB 4 3
C132
1000P
GND GND
Z243 1000P
6 5
3.3/5VSB
3.3/5VSB
R106
8 7
100R
Z4 GND
SW PW-ON GND
T
10 9 GND
BL-ON/OFF PB-ON/OFF PB-ADJ BL-ADJUST
12 11
L58
T
Z5
120R
C144
C139
T
0.1U
0.1U
C135 C543
Z7
1000P 1000P
GND GND
GND
GND
U20
PQ1CX41H2ZPQ
1 8
VOUT VB DV10
2 7 Z13
VIN GND2
T
C145 C146
3 6 L16
OADJ GND1 33UH 220P 0.1U
DV10
GND
4 5
CONTROL COMP
R117
13-PQ1CX4-1HB
10K
C104
C148
470U
0.01U
10V
GND
GND
R118
C147
R116
10K
100P
D5 12K
SR23
GND C149
GND
3900P
GND
GND
U4
LD1117S33
+3V3 +3V3
Z14
T
C155 C154
0.1U
0.1U
C106 C102
GND
100U 100U
16V 16V
5VSB
Z9 DDRV
T
12_M1
L14
220R
R139
22K
NC
SW
C94 C345
47U 0.1U
6V3
C134
0.1U
GND
6
EN 47
5 4
12/24V_AUDIO 12_M
R7
0R NC
R2
0R
NC 5V_M R104
+3V3
22K
R103
0R
VBR_OUT
R8
R110
L60 1K 10K C
120R NC
D8 R111
LL4148 E
0R
Q3
BT3904
R109
R114 R249
C
22K PWM0
4K7 100R
C555
B
47U
Q8
6V3
E
BT3904
C269
C4
33P
C143
470P
GND GND
1U
GND
C161
0.01U
D4
12/24V_AUDIO
SR34
U14
L137
R122
MP1593DN
200R C156
5K6
1 8 0.1U
C158
BS SS
L138
200R 0.1U
2 7
IN EN
3 6
C472 SW COMP
GND
470U
4 5
35V GND FB
GND
C160
GND C162
8200P
GND 100P
GND
5VSB
R143
10K
R144
10K
NC
SW
C
Q10 POWERON/OFF
B
BT3904
E
R710
GND 10K
GND
R3
0R NC
C129
R698
NC
0.1U
NC
470K
5V_OUTSIDE
D34
LL4148
NC C127
1U 12_M
1 8
S2 D2A
NC
2 7
C126
G2 D2B
0.1U
3 6
NC
S1 D1A
4 5
G1 D1B
R138
C170
4K7 1U
Q2
NC NC
A04803
GND
NC
C128
0.1U
NC
GND
4
5
2009-Jun-05
3 2
L25
200R
L24
200R
C164
D9
0.1U C6
C167
LL4148
5V_OUTSIDE
4U7
0.1U
about 1mm 16V C101
U13
1000U
RT8110
Q1
1 8
BOOT PHASE
D13N03LT
R11
2 7 G2 D2B
DRIVE UGATE 0R
4 5
C100
L15 GND
3 6
S2 D2A 1000U
FB GND
15UH
B 3 6
16V
4 5 G1 D1B
VCC LGATE C7
2 7
4U7
S1 D1A C166
1 8
0.01U
GND
C163
1U
R124
GND 1K2
R126
10R
R129
220R
C5
1000P
12_M
GND
Z244
C87
T
L1 470U GND
15UH
16V
C524
10U
NC
R121
110K
C159
C157
GND
1U
0.1U
12_M
C168
R123
0.1U
12K4
R134
GND R102 100K
47K
5VSB
D7
LL4148
Q7 D12
BT3904 LL4148
R101
C
10K
B
R96
10K
E
Q6 12_M
SHORT_PROTECT
BT3904
R100
R98
C 8K2
D13
10K
R99 LL4148
B
680R
E
R97
10K D10
D11
GND
LL4148
LL4148
5V_DDR
R137
3K9
R132
GND 1K8
GND
GND
R9 C3
120R 10U
C142
0.1U
+3V3
C131
0.1U
T
C140
Z12
AV12 AV12
0.1U
U5
GND
LD1117S12
3 2
1
12_M
F
5V_M
Z15
NC
T
L23
200R
L22
200R
C165
0.1U
E
D
GND
R136
3K9
5V_M
R130
2K2
R105
GND 4K7
12_IF
R131
1K
C
GND
+3V3
R135
2K7
R133
4K7
GND
B
A
1
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