System Power; B 715G8232 Ssb - Philips 22PFT4031/12 Service Manual

Circuit Diagrams and PWB Layouts

10.5 B 715G8232 SSB

10-5-1

System Power

System POWER
B01
DC POWER INPUT
INVERTER_ON_OFF
AUDIO_12V
PWR_12V
C703 C701
BRIGHT_ADJ
Normal:PWM or DC 3V3 Max
Standby: 0 V
12V TO 5VSB
PWR_12V
R714
100K 1%
R746 C745
24K 1%
+5V_STB to DV33SB
+5V_STB
C749
10uF 10V
+5V_STB to CORE POWER 1.2V
+5V_STB
6
C733
BS
100N16V
5
LX
SY 8104ADC
4
IN
C732
C731
22UF 10V
1uF 10V
TPN16.3E LA 10.
DV33SB
R715
NC/10K 1/16W 5%
CN701
CONN
PWR_ON_2
16 15 BRIGHT_ADJ
14 13
PWR_ON_2
12 11
R701
10 9
100OHM
8 7
AUDIO_12V
6 5
LMBT3904LT1G
PWR_12V
4 3
2 1
C708
C702
10UF 16V
INVERTER_ON_OFF
Normal:High
Standby:Low
FB608
1 2
120R 6A
C742 C740
10UF 16V
L703
U706
9
3.3uH
GND
1 8
2 EN VIN 7
C743 100NF 16V C721 C746 C722
FB BOOT
3 6
4 VREG5 SW 5
C724
SS GND
R720
C747 RT6206BHGSP
124K 1%
R736
22K 1%
U712 DV33SB
G903T63UF 0.6A/3.3V
3 2
VIN VOUT
DV11
L1101
U713 1uH 6.3A 0.008R
1 R745
R744
FB
9K1 1/10W 1% 910R 1%
C714
100pF 50V C737
2
EN
NC/100N 16V
R743 C738 C739
10K 1/10W 1%
4A 18V TSOT23-6 22UF 10V
3
GND
R713 47K 1/16W 5%
PWR_ON_2
C734
NC/100N16V
EN 58
Backlight ON/OFF Control
NC/1K
R738
+5V_STB
100OHM
INVERTER_ON_OFF BL_ON/OFF
R724
DV33SB
R719
4K7 BackLight_SW:
R727
BackLight on: High
10K
BackLight off: Low
R716
4K7 1/16W 5%
3
R705
Backlight Brightness Control
4K7 1/16W 5%
1 PWR_ON
Q703
NC/1K
2
R739
"PWR_ON"
Normal:Low
BRIGHT_ADJ BL_DIMMING
R725
Standby:High
100OHM
R726
10K
+5V_STB to +5V_SW
+5V_STB
Q701
1
S
2
+5V_STB
3 S
S
C706 4
G
R702 220NF 16V AO4449 -7A/-30V
22K 1/16W 5%
R706
51K 1/16W 5%
D702
R704
PWR_ON_2 47K 1/16W 5% Q702 NC/BAS316WS
LMBT3904LT1G
C709
NC/4.7UF 10% 10V
+5V_SW to DV33
L704
+5V_SW
2.2uH
U702
SY 8088AAC
4 3
IN LX
2
C729
5 GND 1
FB EN
C711
4.7UF 10% 10V
R723
47K 1/16W 5% R741
C728 47K
NC
+5V_SW to DV15
+5V_SW
L702
2.2uH
U703 R710
C727
SY 8088AAC
1K 1/16W 1%
4 3
C720
IN LX
2
4.7UF 10% 10V
5 GND 1
FB EN
R717
NC/47K 1/16W 5%
R708
+5V_SW
150K 1%
PWR_ON_2
R712
47K 1/16W 5%
C716 R718
NC/100N16V
100K 1%
back to
2016-Oct-28
div.table
DV33
AUDIO_12V
AUDIO_12V 14
PWR_12V
PWR_12V 13,17
+5V_STB
+5V_STB 6
+5V_SW
+5V_SW 9,11,13,16,17,18,19
DV33
DV33 5,8,10,11,12,13,14,17,19
DV15
DV15 12
DV11
DV11 12
DV33SB
DV33SB 6,10,12,18
GND
GND 5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
DV33
GPIO
BL_DIMMING
BL_DIMMING 11
BL_ON/OFF
BL_ON/OFF 10
STB CONTORL
PWR_ON
PWR_ON 10
PWR_ON_2
PWR_ON_2 18
+5V_SW
8
D
7
D 6
D
5
D
C707
+ C710
NC/100UF 16V 10UF 16V
DV33
R709
150K 1%
C717
10UF 10V
R729
33K 1%
DV15
C730 C751
System POWER
B01
C 2016-5-12
715G8232
20210_503.eps