LG LCD TV Repair Tips

Defect Condition Model Applied ShortcuSerial Number
DD-LCD TV05-1201 Picture NOISE LB563B-EA
DD-LCD TV05-1202 No FAN Operation L2320AL.ALKRT(L2320T/A)
DD-LCD TV05-1203 White Adjustment L2320AL.ALKRT(L2320T/A)
DD-LCD TV05-1204 Caution: 19?Main PCB Mix L1910
DD-LCD TV05-1204 Assembly Compatibility
with Fujitsu Module L1910PM.AFEUQ
DD-LCD TV05-1204 LB782F-UD Picture NOISE LB782F-UD
DD-LCD TV05-1204 White Screen All LCD Module Models
DD-LCD TV05-1204 V-Roll (Broken image) All LCD Module Models
DD-LCD TV05-1204 V-Line Defect All LCD Module Models
DD-LCD TV05-1204 MODULE Picture NOISE All LCD Module Models
DD-LCD TV05-1204 MAIN NO POWER LCD Models
DD-LCD TV05-1204 V-Tab Line Defect All LCD Module Models
DD-LCD TV05-1204 LIPS Picture Shaking All Models LIPS Applied
DD-LCD TV05-1204 MODULE Rainbow All Module Models
DD-LCD TV05-1204 Cell Gap Mura All LCD Module Models
DD-LCD TV05-1204 H-Line Defect All LCD Module Models
DD-LCD TV05-1204 MODULE Diffuser Stain All LCD Module Models
DD-LCD TV05-1204 MAIN NO RASTER LCD Models
DD-LCD TV05-1204 No crystal in MODULE All LCD Module Models
DD-LCD TV05-1204 Dark Picture on Top & Bottom
(Picture appears & Disappears) All LCD Module Models
DD-LCD TV05-1204 Transient phenomenon in MODUALlEl LCD Module Models
DD-LCD TV05-1204 Transient Phenomenon in MODUALlEl Module Models
DD-LCD TV05-1204 MAIN Picture Flickering LCD Models
DD-LCD TV05-1204 LIPS NO POWER All Models LIPS Applied
DD-LCD MNT05-1220 LIPS Power Flickering All Models LIPS Applied
DD-LCD MNT05-1221 Color Blur/Image Noise All LCD Models
DD-LCD MNT05-1222 No Picture when Booting 19? N-Chassis
DD-LCD MNT05-1231 No SOUND L2320AL.ALKRT(L2320T/A)
Great Company Great People
Contents
Defect Condition Model Applied ShortcuSerial Number t
DD-LCD MNT05-620 Picture NOISE LB563B-EA
DD-LCD MNT05-818 L2320AL.ALKRT(L2320T/A)
DD-LCD MNT05-819 L2320AL.ALKRT(L2320T/A)
DD-LCD MNT05-0915 L1910
DD-LCD MNT05-0915 L1910PM.AFEUQ
DD-LCD MNT05-1201 LB782F-UD
DD-LCD MNT05-1202 All LCD Module Models
DD-LCD MNT05-1203 All LCD Module Models
DD-LCD MNT05-1204 All LCD Module Models
DD-LCD MNT05-1205 All LCD Module Models
DD-LCD MNT05-1206 LCD Models
DD-LCD MNT05-1207 All LCD Module Models
DD-LCD MNT05-1208 All Models LIPS Applied
DD-LCD MNT05-1209 All Module Models
DD-LCD MNT05-1210 All LCD Module Models
DD-LCD MNT05-1211 All LCD Module Models
DD-LCD MNT05-1212 All LCD Module Models
DD-LCD MNT05-1213 LCD Models
DD-LCD MNT05-1214 All LCD Module Models
DD-LCD MNT05-1215 All LCD Module Models
DD-LCD MNT05-1216 All LCD Module Models
DD-LCD MNT05-1217 All Module Models
DD-LCD MNT05-1218 LCD Models
DD-LCD MNT05-1219 All Models LIPS Applied
DD-LCD MNT05-1220 All Models LIPS Applied
DD-LCD MNT05-1221 All LCD Models
DD-LCD MNT05-1222 19? N-Chassis
DD-LCD MNT05-1231 L2320AL.ALKRT(L2320T/A)
No FAN Operation
White Adjustment
Caution: 19 Main PCB Mix
Assembly Compatibility
with Fujitsu Module
LB782F-UD Picture NOISE
White Screen
V-Roll (Broken image)
V-Line Defect
MODULE Picture NOISE
MAIN NO POWER
V-Tab Line Defect
LIPS Picture Shaking
MODULE Rainbow
Cell Gap Mura
H-Line Defect
MODULE Diffuser Stain
MAIN NO RASTER
No crystal in MODULE
Dark Picture on Top & Bottom
(Picture appears & Disappears)
Transient phenomenon in MODULE
Transient Phenomenon in MODULE
MAIN Picture Flickering
LIPS NO POWER
LIPS Power Flickering
Color Blur/Image Noise
No Picture when Booting
No SOUND
Great Company Great People
32LP1D(K) SVC One-Point
DD-LCD TV05-1201
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
5.Service
32LP1D(K)
Unable to mount on the wall
(Standing is OK)
1.Troubleshooting
? Replace Rear Metal (4951TKK238G)
2.Trouble Range
? 507KG ~ 508KG
3. Others
? 503KG ~ 504KG : 4951TKK238A
? 505KG ~ : 4951TKK238G
32LP1D(K)
1.Details
? The right tab of rear metal is too
small to be screwed
2.Defect Cause
? Working error by supplier
Unable to mount on the wall
Great Company Great People
32LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
5.Service
Unable to receive Analog TV
1. Unable to receive Analog TV
2. DTV reception is normal
1.Troubleshooting
? Replace TU401 (6700NF0019B)
? Replace Analog Board (3313TD3027A)
32LP1D(K)
1. Unable to set up analog channels for
automatic channel setup
2. Only DTV channel setup is possible for
automatic channel setup
3. Be able to set up channels by replacing
TU401 tuner
DD-LCD TV05-1202
Great Company Great People
RM-30 32LZ50 Glitter NOISE SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
5.Service
RM-30 32LZ50 Screen Glitter NOISE
Irregular glittering lights on screen
Remove C857 220?/16V and replace with
470?/16V Capacitor as shown in the picture
PART-NO: 0CE477CF618
? Capacitor polarity check required
RM-30LZ50/32LZ50
Defect Cause: Fine characteristics of C857 Capacitor capacity
Glitter noise disappeared by removing 220?/16V and changing
470?/16V Capacitor
Part Spec: 470UF SHL,SD 16V 20% (P/No.: 0CE477CF618)
DD-LCD TV05-1203
Great Company Great People
RM-30LZ50/DN-30LZ30(A) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
5.Service
RM-30LZ50/DN-30LZ30(A) No Picture with sound
INVERTER VER6.0 :
Delete Q8 & Q9 on Inverter
PCB (6632L-0048C)
? MODULE R/NO: 6304FLP122A
RM-30LZ50/DN-30LZ30(A)
DD-LCD TV05-1204
1.Details
?Inverter off
?Channel up/Down: Normal
?Sound: OK
?OSD & Video off
?Input change: Normal
2. Cancellation condition : DC Off / on &
AC Off / on
3. Applied P/No : Application Status by Inverter Version
? RM-30LZ50 : ~411KG(6.0V)
? DN-30LZ30 : 405KG~411KG(6.0V)
? DN-30LZ30A : ~411KG(6.0V)
No Video
(No picture with sound)
? Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
Great Company Great People
RM-30 32LZ50 Picture NOISE SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
5.Service
RM-30 32LZ50 Picture NOISE
Noise at vertical lines as JITTER NOISE
Add capacitors at both ends of IC505
PART-NO: 0CE476CF638
? Capacitor polarity should be checked
RM-30LZ50/32LZ50
Defect Cause: IC505 5V LINE Ripple NOISE
Remove the noise by using 47?/16V Capacitor
Part Spec: 47UF 16V 20% 85STD (P/No.: 0CE476CF638)
DD-LCD TV05-1205
Great Company Great People
RM-23LZ50 Auto Volume Up SVC One-Point