LG CJS45F Service Manual

CIRCUIT VOLTAGE CHART
1. INPUT VOLTAGE OF ICs 3. VOLTAGE OF CAPACITORS 2. INPUT VOLTAGE OF CONNECTORS
3-37 3-38
Location No. Pin No. SPEC [V] Test [V]
IC100
DC-DC Converter
4
VIN : 2.7~5.5 V VIN : 5.16 V
IC101
DC-DC Converter
4 VIN : 2.7~5.5 V VIN : 5.16 V
IC102
DC-DC Converter
1 VIN : 4.2~17 V VIN : 12.11 V
IC103
Analog Switch
5 VIN : 2.5~5.5 V VIN : 3.37 V
IC104
Analog Switch
5 VIN : 4.5~5.5 V VIN : 5.16 V
IC105
Analog Switch
5 VIN : 4.5~5.5 V VIN : 5.16 V
IC200
Line Driver
9 VDD : 3.0~3.6 V VIN : 3.33 V
IC202
A/D Converter
AVDD : 8
DVDD : 13
IOVDD : 14
AVDD : 3.0~3.6 V
DVDD : 3.0~3.6 V
IOVDD : 3.0~3.3 V
AVDD : 3.32 V
DVDD : 3.33 V
IOVDD : 3.33 V
IC400
Motor Driver
8, 19 VCC : 4.3~13.2V VCC : 5.14V
IC401
RF Amplifi er
1, 17, 47, 53, 58
DVDD,AVDD :
2.7~3.6 V
DVDD,AVDD : 3.34 V
IC500
Digital Signal
Processors
VDD12 : A9, E9, J14,
T10, P9, U4, J4
VDD33 : A4, B7,
A10, D14, P14, U9,
U5, U6, P4, D4
VDD12 : 1.08~1.32 V
VDD33 : 3.0~3.6 V
VDD12 : 1.2 V
VDD33 : 3.37 V
IC501
Serial Flash
Memory
8 VCC : 2.7~3.6 V VCC : 3.37 V
IC502
Voltage Detector
2 VCC : 1.1~5.5 V VCC : 3.37 V
IC503
Serial Flash
Memory
8 VCC : 2.7~3.6 V VCC : 3.37 V
IC504
SDRAM
1, 3, 9, 14, 27, 43, 49
VDD,VDDQ :
3.0~3.6 V
VCC : 3.37 V
IC700
Sound/Audio
Processor
9, 14, 50
DVDD : 3.0~3.6 V
AVDD : 3.0~3.6 V
DVDD : 3.34 V
AVDD : 3.34 V
IC701,IC702
Audio Amplifi er
PVDD : 29, 30, 31,
36, 37, 38
GVDD : 1, 22
VDD : 2
PVDD : 12~38 V
GVDD : 10.8~13.2 V
VDD : 10.8~13.2 V
PVDD : 36.20 V
GVDD : 11.82 V
VDD : 11.96 V
Block Location No. Spec. Test
Main
C121 220 uF / 10 V
3.06
C134 100 uF / 16 V 5.16
C169 100 uF / 16 V 11.23
C402 100 uF / 16 V 5.14
C411 47 uF / 16 V 3.34
C418 3.3 uF / 16 V 0.50
C421 47 uF / 16 V 1.66
C447 220 uF / 16 V 5.14
C713 100 uF / 16 V 3.34
C766 330 uF / 50 V 36.20
C770 330 uF / 50 V 36.20
C771 330 uF / 50 V 36.20
Control
C300 47 uF / 16 V 3.12
C310 47 uF / 16 V 3.34
CE300 47 uF / 16 V 12.03
CE301 1 uF / 50V 30.49
CE303 1 uF / 50 V 21.31
CE304 1 uF / 50 V 26.30
CE305 1 uF / 50 V 17.09
CE306 47 uF / 16 V 5.12
CE330 100 uF / 16 V 5.16
CE331 100 uF / 16 V 5.16
Pin Name Spec. Range [%] Test
Pin No MAIN(CN902) <-> SMPS (CN102)
5, 6, 7
PVDD 35.5 ±10 % 35.75
13, 14 12VA 12.1 ±10 % 12.16
Pin No MAIN(CN502) <-> USB(CN301)
1, 2 USB_5V 5.15 ±10 % 5.16
Pin No MAIN(CN5101) <-> BT Module
1 VDD 3.4 ±10 % 3.38
Pin No MAIN(CN101) <-> FRONT(CN300)
1 DVCC_3.3V 3.4 ±10 % 3.38
2 LED_5V 5.1 ±10 % 5.16
4 12VA_VFD 12 ±10 % 12.15
6 3.3VA 3.4 ±10 % 3.34
Pin No MAIN(CN400) <-> MD (Pick-up)
8 VCC 5 ±10 % 5.14
jomi

LG CJS45F Specifications

General

Brand	LG
Model	CJS45F
Category	Stereo System
Language	English