Philips 48OLED806/12 Service Manual page 67

9-4-10 DCDC-SYSTEM-POWER3
Main_12V
V I N 5 . 5 V < t o t r i g g e r m u t e = L o w .
R4116
100K 1%
R4115
22K 1%
Main_12V
+5V-STANDBY
C4126 C4164 C4117
10UF 25V 100NF 16V
10uF 16V
C4128 C4129 C4101
10uF 10V 10uF 6.3V 100NF 16V
+3V3-STANDBY
C4150 C4103 1 . 2 x ( 1 + 6 4 . 9 K / 2 0 K ) = 5 . 0 9 V
10uF 10V 100NF 16V
+3V3-AVDD
R4122 C4114
45.3K 1% NC/100NF 16V
R4121
10K 1%
OPWRSB_N
+3V3-STANDBY H i :
+3V3-STANDBY L o :
R4135
10K 5%
R4136 TP4100
10K 5%
TP4101
TP4103
M U T E _ C T L : L O = > M U T E
H I = > U N - M U T E
A _ M U T E : H I = > U N - M U T E TP4102
L O = > M U T E
U4100
RT5090F
28
BOOT1
33
VCC
27
UGATE1
C4131 R4138
26
4.7UF 6.3V NC/680R 5%
PHASE1
25
32 LGATE1
VDET
29
VIN1
C4123 C4105
100NF 16V
NC/10UF 10% 16V
9 10
VIN2 LX2
23 11
VIN3 LX2
24
VIN3
8
VIN4
40
VIN_LDO
18
+5V-STANDBY
LX3
19
C4120 NC/100NF 16V
LX3
20
LX3
30 21
R4120 64.9K 1/10W
FB1 LX3
R4119
20K 1%
GPU_P_VSEN GPU_P_FB 13
R4108
VSEN2
0.05R
R4107 GND_FB 14
RGND2
0.05R
15 17
CPU_P_VSEN R4102 Buck3_ACFB
VSEN3 LG3
0.05R
U p d a t e d
0 . 6 x ( 1 + 4 5 . 3 K / 1 0 K ) = 3 . 3 V
3 6
FB4 LX4
7
LX4
36
R4100 0.05R
EN_CTRL
5
N o r m a l
VLDO
S t a n d b y
4
FB_LDO
37
SOC_REST
12
VIN1_OK
MUTE_CTL 2
R4104 0.05R
MUTE_IN
16
INT#
A_MUTE 1
R4106 NC/0R05 OHM
MUTE_OUT#
35 38
VCAP SCL 39
SDA
31 22
ENTRIP NC
C4151 C4152
41
10uF 16V NC/10UF 16V
PGND
R4105
30.9K 1/10W 34
AGND
Main_12V
C4116 C4122
10uF 16V 10uF 16V
U4101
PE642DT
1 8
G1 G2
2 7
D1 S2
3 6
D1 S2
4 5
R4130
D1 S2
0.05R C4104 100NF 16V
1R 1/10W 5%
3.3NF 50V
L4103 0.68uH 20% 4.5A
C4135 C4136
C4162 22UF 6.3V NC/22UF 6.3V
NC/1uF 25V
GPU_P_FB
L4102 0.47uH
C4163
Q4100 NC/1uF 25V
PE606BA
R4132
1R 1/10W 5%
Buck3_ACFB
R4126
0.05R C4121
3.3NF 50V
o n 2 0 1 8 / 4 / 1 0
DVDD3V3 AVDD3V3
L4101
U p d a t e d 1 8 A C o n 2 0 2 0 / 9 / 1 4
1uH
C4172 C4144
NC/10UF 6.3V 22UF 6.3V
DDRV_VDD1
C4119 R4113
NC/100NF 16V 15K 1% C4160 C4112
4.7UF 6.3V
100NF 16V
R4114
12K 1%
+3V3-STANDBY
R4137
10K 5%
PMIC_INT
SCL-STB
R4117 0.05R
R4118 0.05R SDA-STB
GPU_P
B o t t o m s i d e o f M a i n C h i p
CM84 CM72
10uF 6.3V 1uF 10V
C4125 C4124 C4154 C4155
NC/10UF 10% 16V NC/10UF 10% 16V NC/4.7U 10% 16V NC/4.7U 10% 16V
L4100
3.3uH
R4131
C4118 C4127 C4132 C4133
22UF 6.3V 22UF 6.3V NC/22UF 6.3V NC/22UF 6.3V
C4113
GPU_P G P U = 0 . 8 V
C4157 C4108
NC/22UF 6.3V 100NF 16V
C4138 C4139 C4140 C4141 C4142 C4143
22UF 6.3V 22UF 6.3V 22UF 6.3V 22UF 6.3V NC/22UF 6.3V NC/22UF 6.3V
+3V3 +3V3-AVDD AVDD3V3_SOC DVDD3V3_SOC +3V3-SOC +3V3-AVDD-SOC
ZD4100
C4111
MM3Z3V6B-HAF
100NF 16V
D D R V _ V D D 1 = 1 . 8 V C P U C a p a c i t o r s
0 . 8 x ( 1 + 1 5 K / 1 2 K ) = 1 . 8 V CPU_P
B o t t o m s i d e o f M a i n C h i p
CM75 CM56
1uF 10V
10uF 6.3V
CM64 CM71 CM85 CM88 CM73
1uF 10V 1uF 10V 10uF 6.3V NC/22uF 6.3V NC/22uF 6.3V
SCL-STB
2 SCL-STB
SDA-STB
2 SDA-STB
OPWRSB_N
9 OPWRSB_N
PMIC_INT
14 PMIC_INT
A_MUTE
12 A_MUTE
GPU_P_VSEN
8 GPU_P_VSEN
CPU_P_VSEN
8 CPU_P_VSEN
+5V-STANDBY
C4156 C4107
NC/22UF 6.3V
100NF 16V
C P U = 0 . 8 V
CPU_P
C4148 C4110
NC/22UF 6.3V 100NF 16V
A V D D 3 V 3 = 3 . 3 V
CM45 CM67 CM74 CM90 CM91
1uF 10V 1uF 10V 1uF 10V 1uF 10V 1uF 10V
CM46 CM105 CM106
100NF 16V 22UF 6.3V
10uF 6.3V
CM93 CM94
100NF 16V 100NF 16V