Circuit Voltage Chart; Input Voltage Of Ics; Input Voltage Of Connectors; Voltage Of Capacitors - LG CJS45F Service Manual

CIRCUIT VOLTAGE CHART

1. INPUT VOLTAGE OF ICs

Location No. Pin No. SPEC [V]
IC100
4 VIN : 2.7~5.5 V
DC-DC Converter
IC101
4 VIN : 2.7~5.5 V
DC-DC Converter
IC102
1 VIN : 4.2~17 V
DC-DC Converter
IC103
5 VIN : 2.5~5.5 V
Analog Switch
IC104
5 VIN : 4.5~5.5 V
Analog Switch
IC105
5 VIN : 4.5~5.5 V
Analog Switch
IC200
9 VDD : 3.0~3.6 V
Line Driver
AVDD : 8 AVDD : 3.0~3.6 V
IC202
DVDD : 13 DVDD : 3.0~3.6 V
A/D Converter
IOVDD : 14 IOVDD : 3.0~3.3 V
IC400
8, 19 VCC : 4.3~13.2V
Motor Driver
IC401 DVDD,AVDD :
1, 17, 47, 53, 58
RF Amplifi er 2.7~3.6 V
VDD12 : A9, E9, J14,
IC500 T10, P9, U4, J4
VDD12 : 1.08~1.32 V
Digital Signal VDD33 : A4, B7,
VDD33 : 3.0~3.6 V
Processors A10, D14, P14, U9,
U5, U6, P4, D4
IC501
Serial Flash 8 VCC : 2.7~3.6 V
Memory
IC502
2 VCC : 1.1~5.5 V
Voltage Detector
IC503
Serial Flash 8 VCC : 2.7~3.6 V
Memory
IC504 VDD,VDDQ :
1, 3, 9, 14, 27, 43, 49
SDRAM 3.0~3.6 V
IC700
DVDD : 3.0~3.6 V
Sound/Audio 9, 14, 50
AVDD : 3.0~3.6 V
Processor
PVDD : 29, 30, 31,
PVDD : 12~38 V
IC701,IC702 36, 37, 38
GVDD : 10.8~13.2 V
Audio Amplifi er GVDD : 1, 22
VDD : 10.8~13.2 V
VDD : 2

2. INPUT VOLTAGE OF CONNECTORS

Test [V] Pin Name
Pin No
VIN : 5.16 V
5, 6, 7 PVDD
13, 14 12VA
VIN : 5.16 V
Pin No
VIN : 12.11 V
1, 2 USB_5V
Pin No
VIN : 3.37 V
1 VDD
Pin No
VIN : 5.16 V
1 DVCC_3.3V
VIN : 5.16 V
2 LED_5V
4 12VA_VFD
VIN : 3.33 V
6 3.3VA
AVDD : 3.32 V
Pin No
DVDD : 3.33 V
8 VCC
IOVDD : 3.33 V
VCC : 5.14V
DVDD,AVDD : 3.34 V
VDD12 : 1.2 V
VDD33 : 3.37 V
VCC : 3.37 V
VCC : 3.37 V
VCC : 3.37 V
VCC : 3.37 V
DVDD : 3.34 V
AVDD : 3.34 V
PVDD : 36.20 V
GVDD : 11.82 V
VDD : 11.96 V
3-37

3. VOLTAGE OF CAPACITORS

Spec. Range [%] Test
MAIN(CN902) <-> SMPS (CN102)
35.5 ±10 % 35.75
12.1 ±10 % 12.16
MAIN(CN502) <-> USB(CN301)
5.15 ±10 % 5.16
MAIN(CN5101) <-> BT Module
3.4 ±10 % 3.38
MAIN(CN101) <-> FRONT(CN300)
3.4 ±10 % 3.38
5.1 ±10 % 5.16
12 ±10 % 12.15
3.4 ±10 % 3.34
MAIN(CN400) <-> MD (Pick-up)
5 ±10 % 5.14
3-38
Block Location No. Spec.
C121 220 uF / 10 V
C134 100 uF / 16 V
C169 100 uF / 16 V
C402 100 uF / 16 V
C411 47 uF / 16 V
C418 3.3 uF / 16 V
Main
C421 47 uF / 16 V
C447 220 uF / 16 V
C713 100 uF / 16 V
C766 330 uF / 50 V
C770 330 uF / 50 V
C771 330 uF / 50 V
C300 47 uF / 16 V
C310 47 uF / 16 V
CE300 47 uF / 16 V
CE301 1 uF / 50V
CE303 1 uF / 50 V
Control
CE304 1 uF / 50 V
CE305 1 uF / 50 V
CE306 47 uF / 16 V
CE330 100 uF / 16 V
CE331 100 uF / 16 V
Test
3.06
5.16
11.23
5.14
3.34
0.50
1.66
5.14
3.34
36.20
36.20
36.20
3.12
3.34
12.03
30.49
21.31
26.30
17.09
5.12
5.16
5.16