Circuit Voltage Chart - LG SH5B Service Manual

CIRCUIT VOLTAGE CHART

Part Site
Location No. Description
Specifi cation
IC,
WIC601 Sound/Audio PS9860
Processor
IC,
WIC701 TAS5612LADDVR
Audio Amplifi er
IC,
WIC703 BD2242G
Analog Switch
IC,
WIC704 MP1432
DC,DC Converter
IC,
WIC705 SN1501019
DC,DC Converter
Pin Number Specifi cation Real Value (#1, #2)
VDD _IO: VDD_IO:
3.37 V
#17, 43, 52 2.97 V ~ 3.63 V
VDD_CORE: VDD_CORE:
1.27 V
#6, 25, 63 1.08 V ~ 1.32 V
VDD_PLL:
VDD_PLL: #68 1.28 V
1.08 V ~ 1.32 V
PVDD:
PVDD:
#29, 30, 31, 20.61 V
12 V ~ 34 V
36, 37, 38
GVDD:
GVDD: #1, 22 12.41 V
10.8 V ~ 13.2 V
VDD:
VDD: #2 12.47 V
10.8 ~13.2V
VIN:
VIN: #1 3.42 V
2.8 V ~ 5.5 V
VOUT:
VOUT: #6 3.41 V
2.8 V ~ 5.5 V
VIN:
VIN: #7 34.61 V
4.5 V ~ 45 V
VOUT:
SW: #1 12.53 V
0.8 V ~ 42 V
VIN:
VIN: #3 12.52 V
4.5 V ~ 17 V
VOUT:
SW: #2 3.42 V
0.76 V ~ 7 V
3.37 V
1.27 V
1.28 V
20.64 V
12.42 V
12.47 V
3.42 V
3.41 V
34.64 V
12.53 V
12.52 V
3.42 V
4-19 4-20