LG S42S1-W Service Manual

CIRCUIT VOLTAGE CHART
2-83 2-84
Pin No. Desc. Voltage EE Mode
D101 SDB0540 (TOP)
1 Anode 3.73
2 Cathode 3.416
IC101 UPD78F11645 (TOP)
30 EVDD1 3.43 0
47 AVREF1 3.43 0
50 AVREF0 3.43 0
99 VDD 3.43 0
100 EVDD0 3.43 0
IC102 M24C16 (BOTTOM)
8 VCC 3.44
IC103 AZ7027 (BOTTOM)
1 VCC 3.69
3 OUT 3.27
IC150 TPS65252RHD (TOP)
8 VIN1 12.79
13 VIN2 12.79
7 BST1 1.214
9 LX1 1.214
10 LX1 1.214
11 LX2 1.524
12 LX2 1.524
14 BST2 1.524
IC151 TJ4220GDP (2A) (TOP)
3 IN 3.725
6 VOUT 3.281
IC153 LM27152 (BOTTOM)
2 IN 6.2
4 OUT 4.99
IC154 LM37102 (BOTTOM)
2 VIN 6.77
3 VOUT 5.25
IC155 AOZ1051 (3A) (BOTTOM)
2 VIN 12.79
9 LX 5.31
IC156 LM27152 (BOTTOM)
2 IN 12.2
4 OUT 12.08
Pin No. Desc. Voltage EE Mode
IC200 - CS5346 (TOP)
5 VLC 3.279
14 VA 4.99
36 VLS 3.28
46 VD 3.278
IC201 - CS8422 (TOP)
3 VA 3.324
21 VL 3.332
IC501- MT8560 (BOTTOM)
E16 VDD33 3.355 0
C12 VDD33 3.355 0
D21 VDD33 3.355 0
E22 VDD33 3.355 0
T18 VDD15 1.518 0
J20 VDD15 1.518 0
K19 VDD15 1.518 0
N20 VDD15 1.518 0
W16 VDD15 1.518 0
L19 VDD15 1.518 0
L20 VDD15 1.518 0
P19 VDD15 1.518 0
N19 VDD15 1.518 0
IC505 MFI337S3959 (TOP)
5 VCC 3.329
IC701- TPIC2050 (BOTTOM)
3 P12V_3 11.32 0
56 P5V-2 5.01 0
IC702 LM37102 (BOTTOM)
2 IN 12.84
3 OUT 9.45
IC703 LM37102 (TOP)
2 IN 6.84
3 OUT 4.95
ZD101 (BOTTOM)
1 Anode GND
2 Cathode 3.272

LG S42S1-W Specifications

General

Brand	LG
Model	S42S1-W
Category	Home Theater System
Language	English