LG S35A1-W Service Manual

3-403-39
CIRCUIT VOLTAGE CHART
Designator Description Pin Voltage Spec Measured Voltage
IC101 Digital Signal
Processors
1, 43, 90, 132, 158 3.0~3.6 V 3.28 V
23, 55, 72, 107, 142, 160 1.1~1.3 V 1.19 V
57, 60, 164(USB_VCC) 3.0~3.6 V 3.28 V
66(USB_VCC) 1.1~1.3 V 1.19 V
68(OSC_VCC) 3.0~3.6 V 3.28 V
87(PLL_VCC) 1.1~1.3 V 1.19 V
IC102 SDRAM 1, 3, 9, 14, 27, 43, 49 3.0~3.6 V 3.28 V
IC105 FLASH 8 3.0~3.6 V 3.28 V
IC106 FLASH 8 3.0~3.6 V 3.28 V
IC400 ADC IC
3 4.75~5.25 V 4.98 V
4 3.0~3.6 V 3.28 V
IC401
Digital Audio
Function
19, 22 3.0~3.6 V 3.28 V
IC402 DC TO DC
1 31~33 V 32 V
2 3.0~3.6 V 3.28 V
IC404 DC TO DC
1 31~33 V 32 V
2 11~13 V 11.8 V
IC405 DSP IC
17, 34, 43, 52, 66 3.0~3.6 V 3.28 V
6, 25, 35, 63, 67 1.1~1.3 V 1.2 V
IC406 LDO IC
1 11~13 V 11.8 V
2 4.75~5.25 V 4.98 V
IC701 AMP IC
1, 2, 22 11~13 V 11.8 V
29, 30, 31, 36, 37, 38 31~33 V 32 V

LG S35A1-W Specifications

General

Brand	LG
Model	S35A1-W
Category	Speaker System
Language	English