LG 32LK330 / 32LK331 / 32LK334C (CHASSIS:LJ01U) Service Manual ▷ View online
10. Analog TV Audio
Check RF Cable & Signal
Follow procedure
‘8. All source audio’
trouble shooting guide.
ok
Check Tuner 3.3V Power
L3703
Replace L3703
Check Tuner 1.2V Power
IC3703 2 pin : 1.2V
Check CVBS Signal
TU3702 11 Pin
Replace IC3703 .
Check Tuner 5V Power
L3702
Check IC406,IC410
ok
ok
ok
ok
No
No
No
No
Replace IC406,IC410
No
Bad Tuner. Replace Tuner.
Replace L3702
ok
12. Component Audio
Check Component Cable
for damage or open conductor.
Check JK1601, JK1603
& Signal Line
ok
ok
No
Replace Jack
11. AV Audio
Check AV Cable for damage
for damage or open conductor
Check JK1604 , JK9001
& Signal Line
ok
ok
No
Replace Jack
Follow procedure
‘8. All source audio’
trouble shooting guide.
Follow procedure
‘8. All source audio’
trouble shooting guide.
13. RGB Audio
Check Cable conductors
for damage or open conductor
Check JK1104 & Signal Line
ok
No
ok
Replace Jack
Follow procedure
‘8. All source audio’
trouble shooting guide.
GP3 Carry Over 모델 Block Diagram
LG Electronics/ LCD TV 연구소
연구
1실 / AT1 그룹
DDR3 256M(1Gb)
667Mhz(1333) Hynix
H5TQ1G63DFR
RGB PC
SPDIF
Component
H/P OUT
HDMI(DVI)
Half
Half
NIM
NIM
(CAN)
(CAN)
PC/DVI Audi In
RS-232C
IF +/-
TU_CVBS
SIF
L/R
S7(S7M)
MAX3232
SERIAL FLASH (8M bit)
MX25L8006EM2I
X-tal
32.77K
LVDS
(FHD/HD, 60Hz)
A. AMP
NTP7100
USB2.0
DP/DM
SPK L/R
X-tal
24M
I2S
SPDIF
H/P L/R
L/R
CVBS, Y/Pb/Pr, L/R
RGB/H/V
RS232C
Rear
TMDS
DDR3 Add.
DDR3 Data
DDR3 Data
SPI
MICOM
UPD78F0514AGA
-GAM-AX
MICOM SDA
MICOM SCL
MICOM SCL
AV
Side
NAND Flash
(1Gbit)
H27U1G8F2BTR-BC
PCM_A[0:7]
FFC (30P)
TMDS
HDMI
CVBS, L/R
CONTROL
IR & LED /
SOFT TOUCH
NEC_EEPROM
_SCL/SDA
LED_R/BUZZ
KEY1
KEY2
IR
LED_B/LG LOGO
SOFT TOUCH
_SCL/SDA
※ GP2 대비 변경부품 : 보라색 font
AT24C1024BN-SH-T
1Mbit
HDCP EEPROM
CAT24C08WI
I2C
MICOM EEPROM
AT24C16BN-SH-T
16Kbit
RGB EEPROM
AT24C16BN-SH-T
I2C
I2C
HDMI EEPROM
AT24C02BN-SH-T
I2C
DDR3 256M(1Gb)
667Mhz(1333) Hynix
H5TQ1G63DFR
DDR3 256M(1Gb)
667Mhz(1333) Hynix
H5TQ1G63DFR
HDMI EEPROM
AT24C02BN-SH-T
HDMI EEPROM
AT24C02BN-SH-T
LED D/L pin
SCL/SDA
FFC(51P)
FFC(41P)
