Philips 48OLED935/12 Service Manual page 81

9-4-10 DCDC-SYSTEM-POWER3
Main_12V
R4116
100K 1%
R4115
22K 1%
+5V-STANDBY
U p d a t e d o n 2 0 1 8 / 1 2 / 2 8 C4126 C4164
10uF 6.3V 100NF 16V
U p d a t e d o n 2 0 1 8 / 4 / 1 1 C4128 C4129 C4101
10uF 10V 10uF 6.3V
100NF 16V
+3V3-STANDBY
C4150 C4103
10uF 10V
100NF 16V
+3V3-AVDD
R4122
45.3K 1%
R4121
10K 1%
+3V3-STANDBY
+3V3-STANDBY
R4135
10K 5%
R4136 TP4100
10K 5%
TP4101
M UT E _ CT L : L O = M > U T E
H I > = U N - M U T E
A _ M UT E :
H I = U N - M > U T E
L O = > M U T E
D D R V D E - C A P .
DDRV
B o t t o m s i d e o f M a i n C h i p
CM53 CM36 CM236 CM230 CM233
10UF 6.3V 1uF 10V 1uF 10V 1uF 10V 1uF 10V
CD59 CD52 CM248 CM229
100NF 16V 100NF 16V 4.7UF 6.3V 100NF 16V
U4100
RT5090C
BOOT1
33
VCC
UGATE1
C4131
4.7UF 6.3V
PHASE1
LGATE1
32
VDET
Main_12V
29
VIN1
C4117 C4123 C4105
100NF 16V
10uF 16V NC/10UF 10% 16V
9
VIN2 LX2
23
VIN3 LX2
24
VIN3
8
VIN4
40
VIN_LDO
+5V-STANDBY
LX3
C4120 NC/100NF 16V
LX3
LX3
30
R4120 64.9K 1/10W
FB1 LX3
1 . 2 x ( 1 + 6 4 . 9 K / 2 0 K ) = 5 . 0 9 V R4119
20K 1%
13
DDRV_FB
VSEN2
14
CPU_GPU_P GND_FB
RGND2
Buck3_ACFB 15
R4102
VSEN3 LG3
0R05 OHM
C4114
NC/100NF 16V
0 . 6 x ( 1 + 4 5 . 3 K / 1 0 K ) = 3 . 3 V
3
FB4 LX4
LX4
OPWRSB_N 36
R4100 0R05 OHM
EN_CTRL
H i : N o r m a l
VLDO
L o : S t a n d b y
FB_LDO
37
SOC_REST
12
VIN1_OK
TP4103 MUTE_CTL R4104 0R05 OHM 2
MUTE_IN
INT#
A_MUTE 1
TP4102 R4106 NC/0R05 OHM
MUTE_OUT#
35
VCAP SCL
SDA
31
ENTRIP NC
C4151 C4152
10uF 16V NC/10uF 16V
PGND
R4105
30.9K 1/10W
AGND
CM234 CM237 CM253 CM101
1uF 10V 1uF 10V 1uF 10V 1uF 10V
CM254 CM251 CD144 CD61 CD119 CD62
100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V 100NF 16V
Main_12V
C4116 C4122
10uF 16V 10uF 16V
U4101
AON7934
1 8
G1 G2
2 7
D1 S2
3 6
D1 S2
4 5
R4130
D1 S2
28
0R05 OHM C4104 100NF 16V
27
R4139
0R05 OHM
26
25
R4140
0R05 OHM R4131
1R 1/10W 5%
C4113
3.3NF 50V
L4103 0.68uH 20% 4.5A
10
11
C4135 C4136
C4162 22UF 6.3V NC/22UF 6.3V
NC/1uF 25V
DDRV_FB
18
19
20
L4102 0.47uH
21
C4163 C4138
Q4100
NC/1uF 25V 22UF 6.3V
R4132
AON7406
NC/0R05 OHM
Buck3_ACFB
17
R4126
0R05 OHM C4121
NC/100NF 16V
+3V3
L4101
6
7
1uH
C4172 C4144
NC/10UF 6.3V 22UF 6.3V
DDRV_VPP
5
C4119 R4113
NC/100NF 16V 47K 1% C4160 C4112
4.7UF 6.3V
100NF 16V
4
R4114
22K 1%
+3V3-STANDBY
R4137
10K 5%
16 PMIC_INT
38
R4117 0R05 OHM SCL-STB
39
R4118 0R05 OHM SDA-STB
22
41
34
CPU_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 10uF 6.3V
CD170 CD164 CM52
100NF 16V 100NF 16V 100NF 16V
CD174 CD173
100NF 16V 100NF 16V
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
C4118 C4127 C4132 C4133
22UF 6.3V 22UF 6.3V NC/22UF 6.3V NC/22UF 6.3V
DDRV C l o s e t o D R A M
R4101 DDRV_FB DD RV = 1 . 2 V
0R05 OHM
C4157 C4108
GND_FB
NC/22UF 6.3V 100NF 16V R4103
0R05 OHM
C4139 C4140 C4141 C4142 C4143 C4148
22UF 6.3V 22UF 6.3V 22UF 6.3V NC/22UF 6.3V NC/22UF 6.3V NC/22UF 6.3V
A V DD 3 V 3 = 3 . 3 V
+3V3-AVDD +3V3-SOC +3V3-AVDD-SOC
R4123
0R05 1/4W
ZD4100
C4111
MM3Z3V6B-HAF
100NF 16V
DD RV _ V P P = 2 . 5 V
0 . 8 ( 1 + 4 7 K / 2 2 K ) x = 2 . 5 V
CPU_GPU_P
CP60 CP174 CP175 CP139
NC/1UF 6.3V NC/22UF 6.3V NC/22UF 6.3V NC/22UF 6.3V
CM64 CM71 CM85 CM88 CM73 CM93
10uF 6.3V 10uF 6.3V 10uF 6.3V NC/22uF 6.3V NC/22uF 6.3V 100NF 16V
SCL-STB
2,7,9 SCL-STB
SDA-STB
2,7,9 SDA-STB
OPWRSB_N
9 OPWRSB_N
PMIC_INT
16 PMIC_INT
A_MUTE
12,13 A_MUTE
+5V-STANDBY
C4156 C4107
NC/22UF 6.3V
100NF 16V
C P U & G P U = 1 . 0 V
CPU_GPU_P
C4110
100NF 16V
CP176
NC/22UF 6.3V
CM94
100NF 16V