Philips 50PUN6233/61 Service Manual page 77

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9-5-3 PSU CNN & Power 2
R784
Big plane
+12V
U706
0R05
8
C745
C746
IN
PG
10UF 16V
10UF 16V
7
IN
BS
R760
OPWRSB_PWR
1
EN
100R 1/16W 5%
LX
5
C747
LDO
FB
SY8368QNC: Max:8A
C748
4.7UF 6.3V
Vin 4V~25V
9
GND
ILMT
SY8368QNC
Vout = 0.6V
(1+( R1/R2
))
Vout = 0.6V
(1+( 24/36
))=1.0V
3V3SB
R747
For 12V Only
10K 1/10W 5%
R772
+5V_STB
0R05
R729
100R
DDR_PWR_EN
C722
C765
C723
100N 16V
10UF 10V
10UF 10V
DDR_PWR_EN
FB enable(power on):high
3.0A(Spec.)
FB disable(power off):low
C740
1.5nF 50V
R755
DVDD3V3
U709
G5725ADJT11U
4
3
L711
VIN
LX
C752
C743
R727
100N 16V
2.2UF 10V
NC/100OHM
1
5
EN
VFB
R723
3K3 1/16W 5%
C714
C730
NC/10NF 50V
NC/100N 16V
R776
24K 1%
+5V_SW
Vout=0.6 x (1+100000/22000)= 3.32 V
C706
C727
U702
G5719TBIU
4
3
L707
VIN
LX
10uF 16V
100N 16V
R759
NC/100OHM
1
6
R752
EN
VFB
3K3 1/16W 5%
R739
C738
C739
R757
1K5 1%
PGOOD
Normal:open drain by pull-up vlotage timing
2
PGOOD
TP448
Abnormal:low
6
C749
100N 50V
R743
2.2R 1%
L703
Big plane
10
0.68uH
Big plane
4
R725
C750
ZD712
C757
1K
3N9 50V
22uF 6.3V
3
R741
10 OHM 1%
R2
R1
R710
R708
R700
R737
1R 1%
36K 1%
24K 1%
1R 1%
DRAM Power
C719 100N 16V
Vout=0.827 x (1+27K/33K) = 1.5V)
U705
RT8079ZQW
1
12
VIN
SW
2
11
L701
VIN
SW
3
10
1.5uH
GND
SW
4
9
R749
GND
SS/TR
24K 1%
R1
ZD701
C733
22UF
R753
R754
20K
R2
R701
180K 1%
33K 1/16W 1%
DVDD3V3
Max : 800 mA
AVDD1V2
R724
2.2uH
+5V_SW
R777
C717
C751
C744
ZD711
NC/22P 50V
24K 1%
C712
10UF
R734
0R05 OHM
Vout=0.6 x (1+24000/24000)= 1.2V
(1A/60mil)
R716
DVDD3V3
0 OHM 1/8W
2.2uH
R717
AVDD3V3
R758
0 OHM 1/8W
C728
R8160
+3V3
C721
C705
ZD703
NC/22P 50V
0 OHM 1/8W
100K 1%
10UF 16V
BZT52-B3V6
NC/10UF 10V
DIGITAL POWER
DVDD3V3/AVDD3V3
R756
Sony reque st
20K 1%
VCCK
R731
0R05
R730
0R05
C758
C759
C760
22uF 6.3V
22uF 6.3V
22uF 6.3V
18(12)V TO 5V FOR USB/MHL POWER
DDRV
+12V
R736
0R05
R732
R8058
0R05
0R05
C8079
C734
MAX=1.6A
10UF 16V
22UF
Vout = 0.6V
(1+( R1/R2
))
Vout = 0.6V
(1+( 100/13.3
))=5.1V
10KOHM
eMMC 1V8
U704
G9661-25ADJF11U
9
LDO_PWR
E-Pad
1
8
(1A/60mil)
POK
GND
2
7
R726
VEN
ADJ
3
6
VIN
VO
4
5
VPP
NC
R764
0R05
C731
ZD710
C718
R728
C715
100N 16V
1uF 10V
2K 1%
R1
10UF
2.0A(Spec.)
R766
100R 1/16W 1%
R735
R2
0.8 x (1+ 2.1K/1.65K) = 1.8V
1.65K 1%
VCC&GND
AU_12V
VCCK
AVDD1V2
AVDD3V3
DVDD3V3
3V3SB
+5V_SW
AVDD1V0_1
AVDD1V0_STB
+5V_STB
GPIO
DDR_PWR_EN
OPWRSB_PWR
R8061
C8082
47pF 50V
0R05 1/16W
R8059
100K 1%
R8064
U713
1K 1/10W 1%
SY8234FCC
8
1
IN
LX
C8081
R8060
7
2
100N 50V
SS
BS
C8083
6
3
2.2 OHM 1/10W
SGND
EN
100N 50V
5
4
FB
NC
C8080
R8057
100NF 25V
13.3K 1%
R8062
C8086
10N 50V
+5V_STB TO +5V_SW BY VCCK
+5V_STB
If PSU has 3V3SB, all
conponents are
R781
existing.
NC/0R05
Q706
8
If PSU has 3V3SB, all
D
7
conponents are NC.
D
6
D
5
S
AON4421
C716
1UF16V
R733
33K 1/10W 5%
R738
VCCK
22KOHM 1/10W
R740
Q707
820 OHM 5% 1/16W
MMBT3904
C701
100N 16V
AU_12V
4,10
VCCK
6,7,17
9
AVDD1V2
AVDD3V3
9,11,12,16,19
DVDD3V3
4,6,7,9,10,11,14,15,16,17,19
4,6,9,12,14,16,20
3V3SB
12,13,19,20,24,29
+5V_SW
AVDD1V0_1
4,11,12
AVDD1V0_STB
4,6,12,16
4,9,12,14,16
+5V_STB
15
DDR_PWR_EN
OPWRSB_PWR
4,20
Vout = 0.6x(1+100/13)=5.21V
+5V_USB
3.3A
L803
4.7uH
C8084
C8085
10UF 16V
10UF 16V
R8063
OPWRSB_PWR
10K 1/16W 5%
+5V_SW
MAX=2.0A
1
D
2
D
3
D
4
G
C786
22UF 10V
+5V_ST B TO +5V_SW BY VCCK

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