DOWNLOAD LG 32LV2500-DG (CHASSIS:LT01M) Service Manual ↓ Size: 9.85 MB | Pages: 66 in PDF or view online for FREE

Model
32LV2500-DG (CHASSIS:LT01M)
Pages
66
Size
9.85 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lv2500-dg-chassis-lt01m.pdf
Date
PREV: LG 32LV2500-DA (CHASSIS:LT01U) Service Manual

LG 32LV2500-DG (CHASSIS:LT01M) Service Manual ▷ View online

1. Power-up boot check
Check stand-by Voltage.
P403 9~12pin : +3.5V_ST
Check Power connector
Main B/D 3.5V Line
Short Check
Check X1002 Crystal
32.768 KHz
Replace X1002
Check P404 PWR_ON.
1pin : 3.3V
Replace Micom(IC1002) or Main board
Check Multi Voltage
P404 2 pin : *20 or 24V , 17 pin : 12V
Replace Power Board
Check Inverter Control & Error Out
P404 18 pin : High
P404 *24 pin : low
Check Power Board or Module
Check IC402/3/5/7 Output Voltage
IC402 : 2.5V
IC403 : 1.26V
IC405 : 3.3V
IC407 : 1.5V
Replace IC402/ 3 / 5 / 7
Re-download Micom software.
Check Micom Voltage
IC1002 pin 48 : +3.5V
Replace L404
Check LVDS Power Voltage
Q409 : 12V
Replace Q409
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board
Change Module
ok
ok
ok
ok
ok
ok
ok
ok
ok
ok
No
No
No
No
No
No
No
No
No
No
Check X201 Crystal
24 MHz
Replace X201
ok
No
Replace Power board.
ok
2. Digital TV Video
Check RF Cable & Signal
Check Tuner  No 14 pin
(3.3V Power)
Check Tuner No 13 pin 
(1.2V Power )
Check IF_P/N Signal
TU5001 17/18 Pin
Check Tuner  No.3 pin
(5V Power)
Check IC406
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board.
ok
ok
ok
ok
ok
No
No
No
No
No
Replace IC406
No
Bad Tuner. Replace Tuner.
Replace Tuner
ok
Check IC405
Replace IC405
No
Replace Tuner
ok
Check IC3703
Replace IC3703
No
Replace Tuner
ok
3. Analog TV Video
Check RF Cable & Signal
Check Tuner  No 14 pin
(3.3V Power)
Check Tuner No 13 pin 
(1.2V Power )
Check Tuner No 11 pin
(CVBS signal)
Check Tuner  No.3 pin
(5V Power)
Check IC406
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board.
ok
ok
ok
ok
ok
No
No
No
No
No
Replace IC406
No
Bad Tuner. Replace Tuner.
Replace Tuner
ok
Check IC405
Replace IC405
No
Replace Tuner
ok
Check IC3703
Replace IC3703
No
Replace Tuner
ok
4. AV Video
Check input signal format.
Is it supported?
Check AV Cable for damage
or open connector
Check JK1604 , JK9903
CVBS Signal Line
R246 , R4016
ok
ok
ok
No
Replace Jack
5. Component Video
Check input signal format.
Is it supported?
Check Component Cable
for damage or open connector.
Check JK1601/JK1603
Y/PB/PR signal Line
ok
ok
ok
No
Replace Jack
ok
Check CVBS_DET Signal
Replace R1660 or R1666
No
Check Mstar LVDS Output
Replace Mstar(IC100) or Main Board.
No
Check COMP_DET Signal
Replace R1612 or R1615 or R1613,R1614
No
Check Mstar LVDS Output
Replace Mstar(IC100) or Main Board.
ok
No
Page of 66
Display

Click on the first or last page to see other 32LV2500-DG (CHASSIS:LT01M) service manuals if exist.

RANDOM: