Philips 4500 Series Service Manual page 51
Chassis tps15.2a la
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Also See for 4500 Series:
- Quick start manual (18 pages) ,
- Manual (12 pages) ,
- User manual (45 pages)
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Circuit Diagrams and PWB Layouts
10-4-7
System Power
System Power
B07
MAIN POWER
PS_ON
BL_DIM
CN701
CONN
11
12
BL_ON
9
10
7
8
5
6
3
4
+5VSB
1
2
+12V_AUD
+12V
R773
NC/0R05 1/10W
R774
0R05 1/10W
+12V_AUD
+12V
C713
C711
C704
C705
100PF 50V
0.1uF 50V
22UF 16V
22UF 16V
CORE POWER 1.15V
+5VSB
U705
VCCK
R739
E-PAD
1
EN1
LX
2
0R05 1/16W
AGND
PGND
3
FB1
IN1
4
L702
AGND
OUT2
+5VSB
5
EN2
IN2
2.2uH
C725
M5723B-33F61U
C719
R750
14.3K 1%
R732
15K 1%
SOT223 1A/3.3V
DEMOD POWER
U702
5V_SW
AZ1117CH-3.3TRG1
3
2
VIN
VOUT
C721
C726
C720
1UF 10V
10UF 10V
100NF 16V
DM1V2
DM3V3
U703
1
5
IN
OUT
2
C735
GND
C723
3
4
R740
NC_10UF 6.3V 20%
NC_1UF 10V
SHDN
SET
NC_G9141T11U
R1
R741
NC_10K +-1% 1/16W
R2
TPS15.2A LA
10.
5V_SW
+3V3SB
R722
4K7 1/16W 5%
R701
BL_ON
BL_ON_OFF
Q705
100R 1/16W 5%
MMBT3904
C702
R726
R743
1nF 50V
4K7 1/16W 5%
4K7 1/16W 5%
BL_DIM
BRIGHT_ADJ
BRIGHT_ADJ 6
C701
100PF 50V
11
10
+3V3SB
+5VSB
9
8
7
6
C717
C724
C715
1UF 10V
2.2UF 16V
5V Power for Standby
FB701 NC_120R
DM3V3
1
2
DVDD3V3
FB702
120R
1
2
FB703
120R
3V3T
1
2
C747
C746
100NF 16V
10UF 6.3V 20%
EN 51
+5VSB
+3V3SB
R706
1K 1/16W 5%
R707
4K7 1/16W 5%
PS_ON
Back Light On / Off
Q701
R735
HI => POWER_OFF
MMBT3904
1K 1/16W 5%
R709
LO => POWER_ON
4K7 1/16W 5%
BL_ON/OFF
BL_ON/OFF 6
Q706
MMBT3904
+5VSB
R704
47K 1/16W 5%
R705
7K5 1/16W 5%
R708
PS_ON
Q703
MMBT3904
4K7 1/16W 5%
C712
1UF 10V
DRAM Power 1.8v
5V_SW
U706
L706
1
5
VIN
LX
2
2.2uH
GND
3
4
EN
VFB
G5695T11U
R745
R2
10K +-1% 1/16W
R721
100K1/16W
C703
470pF 50V
R703
1K 1/16W 5%
R737
100K 1%
R1
R2
C740
U701
R725
13.3K 1%
1
6
FB
BS
L701
100N 50V
4.7uH
R714 390K 1%
2
5
EN
LX
+12V
C739
22UF 10V
R713
3
4
GND
IN
R738
C709
0R051/8W
100K 1%
10N 50V
SY 8104ADC
C738
10uF 16V
back to
2015-May-01
div.table
+3V3SB
R166
PWR_ON_1
PWR_ON_1
6
0R05 OHM
R742
4K7 1/16W 5%
R175
R753
PWR_ON
PWR_ON 6
4K7 1/16W 5%
NC_0R05 OHM
H => POWER_ON
L => POWER_OFF
5V_SW
Q702
AO3401A
C706
C708
10UF 6.3V 20%
0.1uF 50V
DDRV
R1
R744
C744
20K 1/16W
C743
1UF 10V
22UF 6.3V
FB704
+5VSB
1
2
300
C734
22UF 10V
System Power
B07
GND2
GND3
1
1
GND
GND
2014-12-21
715G6805
19910_507.eps
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