715G9249 Ssb - Philips 24PFS5603/12 Service Manual

9.3 B 715G9249 SSB
9-3-1 System Power
MAIN POWER
CN701
CONN
16 15
BL-ON/OFF BL-ADJUST
14 13
R4086 STANDBY
12 11 BL-ADJUST
100R
10 9 +12V_Normal
+12V_AUD
8 7
6 5
4 3
2 1
NC/2.2UF 6.3V
C4156 C4157
100NF 25V 100pF 50V
12V TO 5VSB
FB410
+12V_Normal
Vout=0.765x (1+124K/21.5K) = 5.17V
1 2
120R 6A
C4080 C4081
10UF 16V
R4094 100NF 25V
100K 1%
U702
9
GND
1 8
EN VIN
2 7
C4082
FB BOOT
3 6
100NF 16V
VREG5 SW
4 5
SS GND
C4090 C4086 C4087 RT6206BHGSP
1UF 25V 1UF 25V 8.2NF 50V
1.15V 2A for VDDC
+5V_Standby
U700 L401
4 3
VIN LX
2.2uH
R4090
R1 17.4K 1%
1 6
R4211 R4209
EN VFB
4K7 1/16W 5% 0R05 1/16W
C4075 C4077 R4093
20K 1% R2
NC/1uF 10V G5719TBIU
2.2UF 16V
Vo=0.6x(1+R1/R2)=0.6((18/20)+1) = 1.14V
3.3V 2A for 3V3_STB
+5V_Standby
U704 L408
4 3
VIN LX
2.2uH
R4215
R1 91K 1%
1 6
R4213 R4216
EN VFB
4K7 1/16W 5% 0R05 1/16W
C4162 C4161 R4214
20K 1% R2
NC/1uF 10V G5719TBIU
2.2UF 16V
Vo=0.6x(1+R1/R2)=0.6((91/20)+1) = 3.33V
+3.3V_Standby
Inverter controler
R4084
NC/2.2K1/16W R4085
0R05 OHM
3 R4087
NC/0R05 OHM
1
Q406
BRI_ADJ 4
NC/LMBT3904LT1G R4088 1K
C4072
2
+5V_Standby
L402
3.3uH
C4088 R4095
124K 1%
22pF 50V
C4083 C4084 C4085
100NF 16V 22UF 10V
22UF 10V ZD417
NC/MM1Z5B6
R4098
22K 1%
VDDC
R4210
0 OHM 1/8W
max loading < 800mA
C4078 C4073 C4074
NC/100N 16V NC/10UF 6.3V 20%
22UF 6.3V
ZD449
NC/MMSZ4678
+3.3V_Standby +3.3V_Normal
R4212 R4089
0 OHM 1/8W NC/0R05 OHM
max loading < 300mA
C4160 C4163 C4164
NC/100N 16V NC/10UF 6.3V 20%
22UF 6.3V
ZD447
NC/BZT52-B3V6
5V STANDBY TO 5V NORMAL
+5V_Standby
+5V_Normal
Q410
MTP2317N3
R4102 C4094
9/29 R704
10K 100NF 16V
47K to 6.8K
for Vbe R4104
100K
R4105 C4096
STANDBY
Q401 +
LMBT3904LT1G
10K C4098 NC/100UF 16V
NC/4.7UF 10% 10V
AO3401A=057G 763940 =4.3A
MTP2317N3=357G0763020005 =5.8A
+5V_Normal
1
R4096
2
1K 1/16W
C4089
3
1UF 10V
R4099
100K 1/16W 5%
TPV: U602 change to G9141 based on SoC current consumption SPEC 12/26
G9141T11U 600mA:056G 563156 3.37=1.0(1+(23.7K/10K))
+3.3V_Normal
R4206 U701
NC/0R05 1/10W AZ1117H-ADJ-E1 SOT223
+3.3V_Standby 3
VI VO
R4207
0R05 1/10W C4095
10UF 10V
Max. Current Consumption
DTV mode: 200mA
For AC OFF USB UPDATE CODE
+5V_Standby
+5V_USB
D4009
2 1
BL-ON/OFF
FB340M
+5V_Normal
D4010
2 1
FB340M
POWER Controller
+3.3V_Standby
R4109
4.7K 1/16W
"PW R_ON"
Normal:High
Standby:LOW
C4097
R4112
14
STANDBY
0R05 OHM
NC/10UF 16V
4
PWR_ON/OFF
+3.3V_Normal
U703
G9141T11U SOT23-5
5
IN OUT
R4097
23.7K 1% C4091
GND
4
4.7UF 10% 10V ZD418
SHDN SET
R4100 NC/BZT52-B3V6S
10K 1% 1/16W
+1.5V Power for DDR3
+1.5V_DDR
2
R4101
0R05 OHM
R4103
R1
10K 1%
C4092 C4093 ZD448
22UF 6.3V 100NF 16V NC/MMSZ4678
R4106
R2 1.3K 1%
1.4125V=1.25 * ( 1+1K3/10K )
+5V_Standby
R4107
4K7 1/16W 5%
B ack Li gh t On / Off
R4108 H I => POW ER _OF F
L O => POW ER _ON
100R 1/16W 5% Q404
R4110 MMBT3904
C4099 R4111
VBL_CTRL
8K2 1/16W +/-5% 4K7 1/16W 5%
1NF
4