3-40
3-39
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
Summary of Contents for LAS350B
Page 9: ...2 2 ...
Page 11: ...A900 2 SUBWOOFER SECTION ...
Page 13: ...2 8 ...
Page 28: ...3 15 2 FLASH MEMORY FIG 2 VCC CS CLK DO 3 4 5 6 VCC CS CLK DO 5 6 4 3 ...
Page 30: ...3 17 4 USB FIG 4 1 USB_5V 11 FIG 4 2 USB D 12 FIG 4 3 USB D 13 11 EC405 100uF 16V C475 12 13 ...
Page 32: ...3 19 6 OPTICAL FIG 6 1 OPT_IN 17 FIG 6 2 OPT_DET 18 17 18 ...
Page 37: ...3 24 ...
Page 47: ...3 44 3 43 2 MAIN P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...
Page 49: ...3 48 3 47 ...
