Circuit Voltage Chart - LG LAS450H Service Manual

CIRCUIT VOLTAGE CHART

Designator Description
IC501 IC,Serial Flash Memory
1, 20, 43, 90, 132, 158
IC,
IC502
Digital Signal Processors
23, 55, 72, 107, 142, 160
IC505 IC,Serial Flash Memory
IC506 IC,Serial Flash Memory
IC507 IC, I/O Support Chip
IC,
IC508
A/D Converter
IC601
IC,
IC602
DC,DC Converter
IC603
IC,
IC604
DC,DC Converter
IC,
IC605
Analog Switch
IC,
IC606
Analog Switch
IC,
IC608
Analog Switch
IC,
IC609
Analog Switch
IC,
IC701
Sound/Audio Processor
29, 30, 31, 36, 37, 38
IC702
IC,
Audio Amplifi er
29, 30, 31, 36, 37, 38
IC703
Pin Voltage Spec Measured Voltage
ICs
8 3.3 VA 3.4 V
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
1.2 VA 1.243 V
8 3.3 V (Wireless) 3.39 V
8 3.3 VA 3.38 V
3, 19, 22 3.3 VA 3.357 V
3 5 V (VCC) 5.17 V
4 3.3 V (VDD) 3.4 V
7 18.7 V 18.64 V
1 3.3 VA 3.4 V
7 18.7 V 18.64 V
1 5.1 VA 5.17 V
7 18.7 V 18.64 V
1 12 V 12.05 V
3 5.1 VA 5.18 V
2 1.2 V 1.21 V
1 3.3 VA 3.39 V
6 3.3 V 3.37 V
1 5.1 VA 5.17 V
6 5 V (USB) 5.16 V
1 3.3 VA 3.38 V
6 3.3 V (Wireless) 3.38 V
1 5.1 VA 5.18 V
6 5 V 5.17 V
33, 42, 52, 66, 3.3 V (PWM) ± 10 % 3.38 V
18.7 V (PVDD) 18.64 V
2 VDD 12.01 V
13 AVDD 8.02 V
1,22 GVDD 12.08 V
18.7 V (PVDD) 18.64 V
2 VDD 12.27 V
13 AVDD 8.02 V
1, 22 GVDD 12.08 V
Designator
CN501
CN506
CN507
CN601
Designator
JK852
JK853
Designator
RC200
DIG
Designator
C5B4
C670
C742
C744
C747
C788
CA851
3-39 3-40
Description Pin Voltage Spec
CONNECTORS
6
Connector, B to B 8
10
2 3.3 V (Wireless)
7, 9
Connector, B to B
8, 10
(Socket)
11
1, 2, 3 18.7 V (PVDD)
Description Pin Voltage Spec
JACKS
Jack, Optical 3
Connector, USB 1 5 V (USB) ± 0.3 V
Description Pin Voltage Spec
MODULES
Receiver Module 3
4, 6
LCD Module
7
Voltage Spec Measured Voltage
CAPACITORS
5V(AVCC) 5.17V
18.7V(PVDD) 18.64V 18.64 V
18.7V(PVDD) 18.64V 18.64 V
18.7V(PVDD) 18.64V 18.64 V
18.7V(PVDD) 18.63V 18.63 V
18.7V(PVDD) 18.64V 18.64 V
5V(USB) 5.16V
Measured Voltage
5 V 5.17 V
12 V 12.03 V
3.3 VA 3.38 V
3.37 V
3.3 VA 3.39 V
5 V 5.16 V
5.1 VA 5.17 V
18.64 V
Measured Voltage
3.3 VA 3.25 V
5.08 V
Measured Voltage
3.3 VA 3.25 V
3.3 VA 3.23 V
5 V 5.08 V
+ -
5.17 V 0.00 V
0.00 V
0.00 V
0.00 V
0.00 V
0.00 V
5.16 V 0.00 V