715G9237 Ssb - Philips 32PFS5803/12 Service Manual

9.3 B 715G9237 SSB
9-3-1 System Power 1
DC POWER INPUT
CN701
12V_AUDIO +12V 12V_AL STB_PWR STB_PWR
2 1
4 3
6 5
8 7
10 9
C7072
12 11
1NF 50V
14 13 PS_ON/OFF
C7068
100nF 16V INVERTER_ON_OFF 16 15 BRIGHT_ADJ
CONN
+5V_STB
U720
4 3
L732 2.2uH
IN LX
2
5 GND 1
FB EN
R746
SY 8088AAC R748 75K 1/16W 1%
+5V_STB
10K 1/16W 5%
R751
6K2 1/10W 1%
R742
18K OHM 1%
12V to Core Power
U704
R7013
9
GND
OPWRSB 1 8
EN VIN
2 7
FB BOOT
3 6
100R 1/16W 5%
VREG5 SW
4 5
SS GND
C7026 C7031
RT6206BHGSP
NC/100N 16V
1UF 10% 16V C7032
8.2NF 50V
Vout=0.765x (1+6.8K/12K) =1.198V
Synchronous buck for 5.5A output Current
DRAM Power
+5V_STB
5
3V3SB 4
C7023 C7022
10UF 10V 100nF 16V
R7008
4K7 1/16W 5%
FB_PWR_EN
11 OPCTRL12
C7071
NC/10UF 10V
Vout = 0.6x(1+R1/R2)
Vout = 0.6*(1+(15K+330)/10K)=1.5198V
INVERTER ON/OFF
BL_ON/OFF INVERTER_ON_OFF
11,15
OPCTRL10
BL_ON/OFF:
R1074
Inverter on: Low
4K7 1/16W 5%
Inverter off: High
12V_AL +12V 12V_AUDIO
3V3SB
OPWRSB:
Normal: High
Stand_by: Low
R7002
4K7 1/16W 5%
R7003
OPWRSB
100R 1/16W 5%
OPWRSB 4,5
R7004
NC/22K 1/16W 5%
3V3SB Vout=0.6x (1+(75K+6K2)/18K) = 3.3V
ZD705
BZT52-B3V6
C7045
C7083 C7073 C7074 C7075
10UF 6.3V 20%
68P 50V 0.1uF 25V NC/1NF 50V NC/1NF 50V
+12V
R787 NC/0R05
FB707
D708 FB340M
1 2 2 1
120R 3A
C7019 D709 FB340M
2 1 USB_PORT1_5V
100nF 16V
VCCK AVDD1V2
FB708
L703
C7024
1 2
100nF 16V
1.5uH
120R 3A
(650KHz)
R7014
6K8 1% C7033
22PF 50V
R7101
0R05 1/16W
R7015
12K 1%
DDRV
U719
1
L702
FB EN
2
GND
3
IN LX
1.5UH
SY 8089AAAC
R7010 C7017 C7018
15K 1%
C7034 10UF 6.3V 20%
NC/100N 16V
R7108
330R 1%
R7011
10K 1% 1/16W
BRIGHT ADJUST
BL_DIMMING BRIGHT_ADJ
8,11
BL_DIMMING
R1081
BL_DIMMING(PWM for C1054
4K7 1/16W 5%
BRIGHT_ADJ):
NC/10UF 16V
Max: 0V
Min: +3V3
+12V to +5V_STB
+12V
FB701
1 2
120R 6A
C7067 C7001 C7013
C7078 100nF 16V 10UF 16V 100nF 16V
1NF 50V U701
GND
1
EN VIN
2
Add by 2016-0304
FB BOOT
3
Near CN701 For EMI
VREG5 SW
4
SS GND
RT6206BHGSP
C7014
8.2NF 50V
R7001
R7006
+12V 22K 1%
C7015
1UF 10% 16V
33K 1/16W 5%
R7007
33K 1/16W 5% C7016 Synchronous buck for 5.5A output Current
1UF 10% 16V
Vout=0.765x (1+(124K+3K6)/22K) = 5.202V
+5V_SW to AVDD3V3
+5V_SW
U705
AZ1084CS2-3.3TRE1
3 2
VIN VOUT
C7041 C7062 C7063 C7066
10UF 10V 10UF 10V 100nF 16V
+5V_SW to +3V3_TUNER
U702
+5V_SW FB705
AZ1117D-33
3 2 1
VI VO
120R 3A
C7009 C7010 C7011
1UF 10V 10UF 10V NC/10UF 10V
Emmc
14
USB_PORT1_5V
DVDD3V3
+1.8V
U707
AZ1117CH-1.8TRG1
3 2
VIN VOUT
C7048
C7044
100nF 16V
100nF 16V
L701
3.3UH
9
C7007 R7005 C7002 C7003 C7004 C7005
8
100nF 16V
7
C7008 100nF 16V 10UF 10V 10UF 10V 10UF 10V
6
5
22PF 50V
R7009
3.6K +-1% 1/16W
+5V_STB TO +5V_SW BY VCCK
AVDD3V3
DVDD3V3
ZD704
C7077
BZT52-B3V6
1NF 50V
VCCK
R740
2K7 1/16W 5%
C7079
100nF 16V
12V_AUDIO to PVDD
+3V3_TUNER
2
NC/5.1KOHM +-5% 1/10W
USB_PORT1_5V VCCK
R7783
NC/2K7 1/16W 5%
+5V_STB
FB702
D710 FB340M
2 1
USB_PORT1_5V
120R 6A
C7006
10UF 10V C7076
1NF 50V
+5V_STB +5V_SW
R781
NC/0R05
MAX=2.0A
Q706
8 1
D D
7 2
D D
6 3
D D
5 4
S G
AON4421 C786
C716
10UF 10V
1UF 10% 16V
R733
33K 1/10W 5%
R738
22KOHM 1/10W
Q708
MMBT3904
+5V_STB TO +5V_SW BY VCCK
12V_AUDIO PVDD
FB603 120R 3A
2 1
FB604 120R 3A
2 1
Q710
8 1
D D
7 2
D D
6 3
D D
5 4
S G
NC/AON4421
R7780
NC/10K 1/10W 5% C7080 NC/1UF 10% 16V
R7782
R7781 NC/10K 1/10W 5%
Q709
NC/BC847C
C7082
NC/100nF 16V