715G7030 Main - Philips 32PFS6402/12 Service Manual

8.2 715G7030 MAIN

8-2-1 System Power 1
DC POWER INPUT
STB_PWR STB_PWR
+12V_AU +12V +12V +12V_AU STB_PWR
C708
2 1
07/22 Updated TP706 NC/10UF 6.3V 20%
4 3
6 5 TP702 TP705
8 7
TP704
10 9
12 11
14 13
TP710 2D/3D_EN R702 NC/100R 1/16W 5% R703
TP700 INVERTER_ON_OFF 16 15 BRIGHT_ADJ TP701 100R 1/16W 5%
CN700
CONN
eMMC I/O Power
DVDD3V3 LDO_PWR
U703
uP0126BJT3-18
3 2
VI VO
+5V_SW
U701
AZ1084CS2-3.3TRG1
3
VIN
LDO_PWR From DVDD3V3
+
C774
100UF 16V
(205mA/20mil)
+5V_SW U705 +3V3_TUNER
R4289
3 2
VIN VOUT
0R051/8W
C749
uP0113CHA3-33
+12V
10uF 10V
R733
100K 1/16W 5%
TUNER VCC From +5V_SW
R726
PGOOD
R734
22K 1/16W 5%
R710
100K 1/16W 5%
+12V PWR_EN
R711 C710
68KOHM 1/16W +/-5% NC/10UF 6.3V 20%
08/08 Updated R717
100K 1/16W 5% PGOOD
U704
120R 3A C765 100NF 16V
FB712
2 13
L701 1.5UH
GND BOOT
3 12
1 2 4 GND LX 11
+12V
5 PVIN LX 10
PWR_EN
FB713 PVIN EN
C712 C767 6 9
VIN SS/TR
C718
1 2
120R 3A
RT7299BHGQW
R713
750R 1%
08/08 Updated
24K 1%
Close to main chip
VCCK
8A DC/DC
Vout=0.6x (1+16.75K/24K) = 1.01875V for VCCK
+12V
STB_PWR
+ C706
220UF 16V
R715
20K 1/16W 5%
OPWRSB_PWR OPWRSB_PWR
C700 C707
OPWRSB
10UF 6.3V 20% Q700 R701
MMBT3904 4K7 1/16W 5%
R705
47K 1/16W 5%
10K 1/16W 5%
DVDD3V3 From +5V_SW
U711
AVDD3V3
R708
E-Pad
1
2 POK GND
3 VEN ADJ
VIN VO
4
+5V_SW
VPP NC
G9661
C728
10uF 10V
C729
1UF 10V
+5V_SW > DVDD3V3 = 2.14ms
V-ripple is 66.4mV in C775 (260mA/20mil)
DVDD3V3 AVDD3V3
(1A/60mil)
2
VOUT
R4277 R718 (205mA/20mil)
+ 0R05 0R051/8W
C775
100UF 16V AVDD1V0 From AVDD3V3
Vout=0.8 x (1+1.6K/5.1K) = 1.05V
+12V to +5V_SW by PGOOD(U702)
+12V
FB710
2 1
120R 3A
0R05 1/16W R720
+5V_EN FB711 C720 NC/100K 1/16W 5%
C731 C743
2 1
10UF 25V 10UF 25V 0.1uF 25V
120R 3A
8 2
IN PG
C723 C763
7 6 100N 16V
IN BS
08/08 Updated
1
+5V_EN
EN
10
LX
5
LDO
4
FB
9 3
GND ILMT
U708 SY8368QNC
14K OHM 1/16W 1%
Vout=0.6x (1+100K/13K) = 5.21V
STB_PWR +5V_SW
DRAM Power
D703
FB340M
3V3SB
R740 Q707
10K 1/10W 5% AO3401A
DDR_PWR_EN
VCCK
C746
NC/470PF 50V
R716
04/22 Updated
C722 C735 C724 C725
22UF 10V NC/10UF 16V 100NF 16V
100NF 16V
3V3SB From STB_PWR 5,7,16 OPWRSB
2D/3D_EN
DDR_PWR_EN
OPWRSB_PWR
BRIGHT_ADJ
INVERTER_ON_OFF
STB_PWR 3V3SB
U712
1 5
VIN VOUT
2
GND
C711 C709
2.2UF 10V 3 4 10UF 6.3V 20%
EN NC
G9091-330T11U
Vo=1x(1+24/10)=3.4V
(260mA/20mil)
9
8 AVDD1V0
7
6
5
+5V_SW
L705
2.2UH
C744
22NF 25V
R738
105K 1%
R737
R735
100K 1/16W 5%
C721
04/18 Updated
D704
FB340M 100NF 16V
Vout=0.827 x (1+8.44K/10K) = 1.525V
U710
RT8079ZQW
1 12
VIN SW
2 11 L702
VIN SW
3 10
1.5uH
4 GND SW 9
C726
GND SS/TR
C727 100NF 16V R730
8.2K 1%
R731
240 OHM +-1% 1/16W
8079_FB
R732
10K +-1% 1/16W
OPWRSB
2D/3D_EN 17
DDR_PWR_EN 17
OPWRSB_PWR 7,16
BRIGHT_ADJ 13
INVERTER_ON_OFF 13
GND 6,7,8,9,10,11,12,13,14,15,16,17,18,19
DDRV
FB705
120R 3A
1 2