LG LAS450H - Circuit Voltage Chart

3-403-39
CIRCUIT VOLTAGE CHART
Designator Description Pin Voltage Spec Measured Voltage
ICs
IC501 IC,Serial Flash Memory 8 3.3 VA 3.4 V
IC502
IC,
Digital Signal Processors
1, 20, 43, 90, 132, 158 3.3 VA (IO) 3.34 V
57, 60, 164 3.3 V (USB) 3.357 V
68 3.3 VA (OSC) 3.356 V
84 3.3 VA (RTC) 3.248 V
87 1.2 V (PLL) 1.246 V
66 1.2 V (USB) 1.246 V
23, 55, 72, 107, 142, 160 1.2 VA 1.243 V
IC505 IC,Serial Flash Memory 8 3.3 V (Wireless) 3.39 V
IC506 IC,Serial Flash Memory 8 3.3 VA 3.38 V
IC507 IC, I/O Support Chip 3, 19, 22 3.3 VA 3.357 V
IC508
IC,
A/D Converter
3 5 V (VCC) 5.17 V
4 3.3 V (VDD) 3.4 V
IC601
IC,
DC,DC Converter
7 18.7 V 18.64 V
1 3.3 VA 3.4 V
IC602
7 18.7 V 18.64 V
1 5.1 VA 5.17 V
IC603
7 18.7 V 18.64 V
1 12 V 12.05 V
IC604
IC,
DC,DC Converter
3 5.1 VA 5.18 V
2 1.2 V 1.21 V
IC605
IC,
Analog Switch
1 3.3 VA 3.39 V
6 3.3 V 3.37 V
IC606
IC,
Analog Switch
1 5.1 VA 5.17 V
6 5 V (USB) 5.16 V
IC608
IC,
Analog Switch
1 3.3 VA 3.38 V
6 3.3 V (Wireless) 3.38 V
IC609
IC,
Analog Switch
1 5.1 VA 5.18 V
6 5 V 5.17 V
IC701
IC,
Sound/Audio Processor
33, 42, 52, 66, 3.3 V (PWM) ± 10 % 3.38 V
IC702
IC,
Audio Amplifi er
29, 30, 31, 36, 37, 38 18.7 V (PVDD) 18.64 V
2 VDD 12.01 V
13 AVDD 8.02 V
1,22 GVDD 12.08 V
IC703
29, 30, 31, 36, 37, 38 18.7 V (PVDD) 18.64 V
2 VDD 12.27 V
13 AVDD 8.02 V
1, 22 GVDD 12.08 V
Designator Description Pin Voltage Spec Measured Voltage
CONNECTORS
CN501 Connector, B to B
6 5 V 5.17 V
8 12 V 12.03 V
10 3.3 VA 3.38 V
CN506 2 3.3 V (Wireless) 3.37 V
CN507
Connector, B to B
(Socket)
7, 9 3.3 VA 3.39 V
8, 10 5 V 5.16 V
11 5.1 VA 5.17 V
CN601 1, 2, 3 18.7 V (PVDD) 18.64 V
Designator Description Pin Voltage Spec Measured Voltage
JACKS
JK852 Jack, Optical 3 3.3 VA 3.25 V
JK853 Connector, USB 1 5 V (USB) ± 0.3 V 5.08 V
Designator Description Pin Voltage Spec Measured Voltage
MODULES
RC200 Receiver Module 3 3.3 VA 3.25 V
DIG LCD Module
4, 6 3.3 VA 3.23 V
7 5 V 5.08 V
Designator Voltage Spec Measured Voltage + -
CAPACITORS
C5B4 5V(AVCC) 5.17V 5.17 V 0.00 V
C670 18.7V(PVDD) 18.64V 18.64 V 0.00 V
C742 18.7V(PVDD) 18.64V 18.64 V 0.00 V
C744 18.7V(PVDD) 18.64V 18.64 V 0.00 V
C747 18.7V(PVDD) 18.63V 18.63 V 0.00 V
C788 18.7V(PVDD) 18.64V 18.64 V 0.00 V
CA851 5V(USB) 5.16V 5.16 V 0.00 V