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Great Company Great People
LGE Confidential
LCD TV One Point Data
Contents
- Model Classification
- History by Model
2006.01.05 Display Global CS Group
Contents
Serial Number Defect Condition Model Applied Shortcut
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: 19Main PCB Mix L1910
DD-LCD TV05-1204 Assembly Compatibility L1910PM.AFEUQ
with Fujitsu Module
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
Dark Picture on Top & Bottom
DD-LCD TV05-1204 (Picture appears & Disappears) All LCD Module Models
DD-LCD TV05-1204 Transient phenomenon in MODULE LCD Module Models
All
DD-LCD TV05-1204 Transient Phenomenon in MODULE Module Models
All
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
Serial Number Defect Condition Model Applied Shortcut
DD-LCD MNT05-620 Picture NOISE LB563B-EA
DD-LCD MNT05-818 No FAN Operation L2320AL.ALKRT(L2320T/A)
DD-LCD MNT05-819 White Adjustment L2320AL.ALKRT(L2320T/A)
DD-LCD MNT05-0915 Caution: 19Main PCB Mix L1910
DD-LCD MNT05-0915 Assembly Compatibility L1910PM.AFEUQ
with Fujitsu Module
DD-LCD MNT05-1201 LB782F-UD Picture NOISE LB782F-UD
DD-LCD MNT05-1202 White Screen All LCD Module Models
DD-LCD MNT05-1203 V-Roll (Broken image) All LCD Module Models
DD-LCD MNT05-1204 V-Line Defect All LCD Module Models
DD-LCD MNT05-1205 MODULE Picture NOISE All LCD Module Models
DD-LCD MNT05-1206 MAIN NO POWER LCD Models
DD-LCD MNT05-1207 V-Tab Line Defect All LCD Module Models
DD-LCD MNT05-1208 LIPS Picture Shaking All Models LIPS Applied
DD-LCD MNT05-1209 MODULE Rainbow All Module Models
DD-LCD MNT05-1210 Cell Gap Mura All LCD Module Models
DD-LCD MNT05-1211 H-Line Defect All LCD Module Models
DD-LCD MNT05-1212 MODULE Diffuser Stain All LCD Module Models
DD-LCD MNT05-1213 MAIN NO RASTER LCD Models
DD-LCD MNT05-1214 No crystal in MODULE All LCD Module Models
Dark Picture on Top & Bottom
DD-LCD MNT05-1215 (Picture appears & Disappears) All LCD Module Models
DD-LCD MNT05-1216 Transient phenomenon in MODULE LCD Module Models
All
DD-LCD MNT05-1217 Transient Phenomenon in MODULE Module Models
All
DD-LCD MNT05-1218 MAIN Picture Flickering LCD Models
DD-LCD MNT05-1219 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)
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32LP1D(K) SVC One-Point
DD-LCD TV05-1201
1.Subject : 32LP1D(K) Unable to mount on the wall
2.Model : 32LP1D(K)
3.Defect Condition :
Unable to mount on the wall
(Standing is OK)
4.Cause
1.Details
The right tab of rear metal is too
small to be screwed
2.Defect Cause
Working error by supplier
5.Service
1.Troubleshooting
Replace Rear Metal (4951TKK238G)
2.Trouble Range
507KG ~ 508KG
3. Others
503KG ~ 504KG : 4951TKK238A
505KG ~ : 4951TKK238G
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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32LP1D(K) SVC One-Point
DD-LCD TV05-1202
1.Subject : Unable to receive Analog TV
2.Model : 32LP1D(K)
3.Defect Condition :
1. Unable to receive Analog TV
2. DTV reception is normal
4.Cause
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
5.Service
1.Troubleshooting
Replace TU401 (6700NF0019B)
Replace Analog Board (3313TD3027A)
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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RM-30 32LZ50 Glitter NOISE SVC One-Point
DD-LCD TV05-1203
1.Subject : RM-30 32LZ50 Screen Glitter NOISE
2.Model : RM-30LZ50/32LZ50
3.Defect Condition :
Irregular glittering lights on screen
4.Cause
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)
5.Service
Remove C857 220/16V and replace with
470/16V Capacitor as shown in the picture
PART-NO: 0CE477CF618
Capacitor polarity check required
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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RM-30LZ50/DN-30LZ30(A) SVC One-Point
DD-LCD TV05-1204
1.Subject : RM-30LZ50/DN-30LZ30(A) No Picture with sound
2.Model : RM-30LZ50/DN-30LZ30(A)
3.Defect Condition : No Video
(No picture with sound)
Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
4.Cause 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)
5.Service
INVERTER VER6.0 :
Delete Q8 & Q9 on Inverter
PCB (6632L-0048C)
MODULE R/NO: 6304FLP122A
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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RM-30 32LZ50 Picture NOISE SVC One-Point
DD-LCD TV05-1205
1.Subject : RM-30 32LZ50 Picture NOISE
2.Model : RM-30LZ50/32LZ50
3.Defect Condition :
Noise at vertical lines as JITTER NOISE
4.Cause
Defect Cause: IC505 5V LINE Ripple NOISE
Remove the noise by using 47/16V Capacitor
Part Spec: 47UF 16V 20% 85STD (P/No.: 0CE476CF638)
5.Service
Add capacitors at both ends of IC505
PART-NO: 0CE476CF638
Capacitor polarity should be checked
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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RM-23LZ50 Auto Volume Up SVC One-Point
DD-LCD TV05-1206
1.Subject : RM-23LZ50 Auto Volume Up
2.Model : RM-23LZ50
3.Defect Condition :
RM-23LZ50 Auto Volume Up
- Volume suddenly goes up when power is on
4.Cause
Defect Cause: Crack on P1700 soldering by P1700 area bending in wafer because
Control board was touched while B/C assembly
Part Spec: 47UF 16V 20% 85STD (P/No.: 0CE476CF638)
5.Service
Remove wafer and solder Connector Lead
PART-NO: 6871TST630A
Lead should remain as it is
Can be replaced with 6871TST630A
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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37LP1D SVC One-Point
DD-LCD TV05-1207
1.Subject : Unable to receive analog TV
2.Model : 37LP1D
3.Defect Condition :
1.Unable to receive analog TV
2.DTV reception is normal
4.Cause
1. Unable to set up Analog channel for
automatic channel setup
2. Be able to set up only DTV channels
for automatic channel setup
3. By replacing TU401 tuner, channel
setup is normal
5.Service
1.Troubleshooting]
Replace TU401 (6700NF0019B)
Replace Analog Board (3313TD3037A)
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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RM-17LZ50 SVC One-Point
DD-LCD TV05-1208
1.Subject : No Sound
2.Model : RM-17LZ50
3.Defect Condition :
Video output is normal but No Sound
4.Cause
1.Details
1-1. No sound for all channels
2.Cause
Crack occurred inside a chip
C107(2.2UF) Defect
5.Service
1.Troubleshooting
1-1. Replace C107 (2.2UF) 0CK225DFK4A
1-2. Replace MAIN PCB 3313TN1030A
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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RM-13LA90 SVC One-Point
DD-LCD TV05-1209
1.Subject : POWER KNOB Defect
2.Model : RM-13LA90
3.Defect Condition :
POWER KNOB pushed inward
4.Cause
1.Details
1-1.Power Knob is pushed inward
causing trouble to operate
5.Service
1.Troubleshooting
1-1. Replace Power Knob only
Part-no:4940TKP137B
2. Trouble Range
Trouble Range: ~ 511KG
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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42LP1D(K) SVC One-Point
DD-LCD TV05-1210
1.Subject : NO Video(Latch up)
2.Model : 42LP1D(K)
3.Defect Condition :
Details
Inverter On
OSD & Video off
Index window (Front display panel) OFF
4.Cause
Defect Cause
Flsh ROMDefect(IC101,102)
HD2 IC Defect (IC100)
CPU Defect
5.Service
1.Troubleshooting
Replace Digital Board (3313TD4010A)
2.Trouble Range
506KG~
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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55LP10D SVC One-Point
DD-LCD TV05-1211
1.Subject : Power Flickering
2.Model : 55LP10D / 55LP1D
3.Defect Condition :
LED flickering with relay sound
4.Cause
1.Details
Power flickering
Q110 SHORT
5.Service
1.Troubleshooting
Replace POWER Board (6871TPT296A) (55LP10D)
Substitutive Part-no 6871TPT320D
Replace POWER Board (6871TPT320D) (55LP1D)
2. Trouble Range
55LP10D :409KG ~ 509KG
55LP1D :510KG
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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55LP10D SVC One-Point
DD-LCD TV05-1212
1.Subject : Rear Cover Off
2.Model : 55LP10D
3.Defect Condition :
Rear Cover falls apart as standing on Tilt Swivel
4.Cause
1.Details
Rear cover falls apart in standing condition
Cause Deformation of Back Cover
5.Service
1.Troubleshooting
Replace Back Cover (3809TKE023A)
Replace Rear Cover (3550TKK630A)
Caution: B/C & R/C should be replaced at the same time to assemble
2.Trouble Range
409KG ~ 504KG
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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DN-37LZ30 SVC One-Point
DD-LCD TV05-1213
1.Subject : DN37LZ30_Black & White Picture
2.Model Applied : DN-37LZ30
3.Defect Condition :
Analog TV, AV: Picture displays in black and white
DTV, D-SUB, DVI: Picture displays in normal color
4.Cause
Defect Picture Normal Picture
Defect Cause: X301(SC20.25A501) Part characteristics defect
Part Spec: SCO-103 SUNNY 74.25MHZ +/- 50 (P/No.: 6204B47985H)
5.Service
RF (Analog TV), AV Signal have no color (Black & white display)
Replace X301(SC20.25A501) Characteristic Defect
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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LCD TV Option Key One-Point
DD-LCD TV05-1214
1.Subject : LCD TV Option Key Setup
2.Model : LCD TV MODEL
3.Defect Condition :
After replacing main PCB for service, all function letters are in English
- Default is in English, Key setup is required
4.Cause
After replacing main PCB for service, all function letters are in English
- Default is in English, Key setup is required
5.Service
Press IN-START key on ADJUST REMOCON, and the above picture appears
Refer to the attachment for setup
Setup
TV Option
ADJUST REMOCON
PART-NO:105-201M
In principle, refer to the attachments for setup
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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RM-32LZ50 Picture NOISE SVC One-Point
DD-LCD TV05-1215
1.Subject : RM-32LZ50 No Picture with Sound
2.Model : RM-32LZ50
3.Defect Condition : No Video
(No picture with sound)
Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
4.Cause
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 : 411KG~502KG
5.Service
INVERTER :
Remove R60 on
Inverter PCB
MODULE R/NO: 6304FLP163A
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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DN-37 42LZ30(A) SVC One-Point
DD-LCD TV05-1216
1.Subject : DTV SOUND LOW
2.Model : DN-37 42LZ30(A)
3.Defect Condition :
Low Sound for DTV
4.Cause
1.Details
DTV has low sound output comparing to Analog TV
2.Cause
By adopting Dolby digital sound which is a sound standard for DTV
5.Service Up Data using Tera Term program
Boot Code change & S/W Up Data
Boot Code change
Boot_LCD_UNI(37"/42")
S/W UP Data
DN-42/37LZ30A Boot Up Data
(4.02 4.03)
Change DN-37LZ30A S/W Version (3.05.2 3.07.2)
Change DN-42LZ30A S/W Version (3.12.2 3.14.2)
Replace Digital Board
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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DN-37 42LZ30(A) SVC One-Point
DD-LCD TV05-1217
1.Subject : Image Saturation (DTV) (Face & hair has black edge & white band)
2.Model : DN-37 42LZ30(A)
3.Defect Condition :
Image Saturation (DTV)
(Face and hair has black edge and white band)
4.Cause
1.Details(Occurs when AI On)
Inverter On
When channel up, sound is heard
OSD & Video off
Index window (Front display) On
Normal input change
2. Cancellation condition
: DC Off / on & AC Off / on
5.Service
Replace IC810 V4.03 with V4.04 (0IZZTSZ473A)
Replace Digital Board (33139D3010A)
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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DN-42LZ30(A) SVC One-Point
DD-LCD TV05-1218
1.Subject : Image Saturation (DTV) (Face & hair has black edge & white band)
2.Model : DN-42LZ30(A)
3.Defect Condition :
Image Saturation (DTV)
(Face and hair has black edge and white band)
4.Cause
1.Details(Occurs when AI On)
Inverter On
When channel up, sound is heard
OSD & Video off
Index window (Front display) On
Normal input change
2. Cancellation condition
: DC Off / on & AC Off / on
5.Service
Replace IC810 V4.04 with V4.05 (0IZZTSZ552A)
Replace Digital Board
* Check point
Al ASIC and EEPROM communication error occurred by
: Replacing R68 10 with 47 to prevent fuse fail,
Changing module operation voltage from 4.5V to 7.5V & Timing shift
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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55LP10D SVC One-Point
DD-LCD TV05-1219
1.Subject : No Power
2.Model : 55LP10D / 55LP1D
3.Defect Condition :
No Power (No LED lighting)
4.Cause
1.Details
NO POWER
BD101 SHORT
5.Service
1.Troubleshooting
Replace POWER Board (6871TPT296A) (55LP10D)
Substitutive Part-no 6871TPT320D
Replace POWER Board (6871TPT320D) (55LP1D)
2. Trouble Range
55LP10D :409KG ~ 509KG
55LP1D :510KG
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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32LP1D(K) SVC One-Point
DD-LCD TV05-1220
1.Subject : NO POWER (Power Flickering)
2.Model : 32LP1D(K)
3.Defect Condition :
NO POWER
(Power Flickering)
4.Cause
1.Details
NO POWER
F101,BD101 Dead
IC102((F9222L) Dead
IC103(VIPER22A) Dead
Power Flickering
Q102(D12NF06L)Dead
5.Service
Replace POWER BOARD (6871TPT303B/D)
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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32LP1D(K) SVC One-Point
DD-LCD TV05-1221
1.Subject : 32LP1D(K) No Picture with Sound
2.Model : 32LP1D(K)
3.Defect Condition : No Video
(No picture with sound)
Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
4.Cause
1.Details
Inverter off
Channel up/Down: Normal
Sound OK
OSD & Video off
Normal input change
2. Cancellation condition
: DC Off / on & AC Off / on
5.Service
INVERTER :
Remove R60 on
Inverter PCB
MODULE R/NO: 6304FLP163A
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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55LP1D SVC One-Point
DD-LCD TV05-1222
1.Subject : Latch up (No Sound/No Picture)
2.Model : 55LP1D
3.Defect Condition : 1.Details Inverter on
No channel operation/No Sound
OSD & Video off
Index window (Front display panel) Off
No input change
Only Power key works on remote control,
unable to operate other keys
4.Cause
1.Details
HD2 Chip Defect
5.Service
1.Troubleshooting
Replace Digital Board (3313TD500031)
2. Trouble Range
55LP10D :507KG ~ 510KG
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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DN-30 37 42LZ30(A) SVC One-Point
DD-LCD TV05-1223
1.Subject : DN-30 37 42LZ30(A) NO VIDEO
2.Model : DN-30 37 42LZ30(A)
3.Defect Condition : No Video
(Inverter ON)
Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
4.Cause
1.Details
Inverter on
No channel operation/No Sound
OSD & Video off
Index window (Front display panel) On/Off
No input change
No remote control operation
2. Cancellation condition : AC Off / on
3. Applied P/No :
DN-30LZ30A : 411KG~502KG
DN-37LZ30A : 411KG~502KG
DN-42LZ30A : 411KG~502KG
5.Service
Replace Digital Board
Connect Jumper wire at IC314 TP POINT
(HD2 Chip Latch up)
Remove R250 and connect to upper part of
R250
DN-37/42LZ30(A) CPLD UP Data
(4.01 4.02)
DN-30LZ30(A) CPLD UP Data
(4.02 4.03)
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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DN-37 42LZ30(A) SVC One-Point
DD-LCD TV05-1224
1.Subject : DTV Sound Low
2.Model : DN-37 42LZ30(A)
3.Defect Condition :
DTV Sound is low
4.Cause
1.Details
DTV has low sound output comparing to Analog TV
2.Cause
By adopting Dolby digital sound which is a sound standard for DTV
5.Service Up Data using Tera Term program
Boot Code change & S/W Up Data
Boot Code change
Boot_LCD_UNI(37"/42")
S/W UP Data
DN-42/37LZ30A Boot Up Data
(4.02 4.03)
Change DN-37LZ30A S/W Version (3.05.2 3.07.2)
Change DN-42LZ30A S/W Version (3.12.2 3.14.2)
Replace Digital Board
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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32LP1D(K) SVC One-Point
DD-LCD TV05-1225
1.Subject : NO Video (Latch up)
2.Model : 32LP1D(K)
3.Defect Condition :
NO Video
(Latch up)
4.Cause
1.Details
Inverter On
OSD & Video off
Index window (Front display panel) Off
2.Defect Cause
Flsh ROMDefect(IC101,102)
HD2 IC Defect (IC100)
CPU Defect
5.Service
Replace Digital Board (3313TD3026A)
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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32LP1D(K) SVC One-Point
DD-LCD TV05-1226
1.Subject : Slow Motion while watching Analog TV (same for component)
2.Model : 32LP1D(K)
3.Defect Condition :
Slow Motion while watching Analog TV (same for component)
4.Cause
1.Details
Slow motion occurs in a moment while
watching Analog TV
(Same for component input)
5.Service
S/W UP Data using Tera Term program (Up data to 3.18.1 or 3.18.2)
Replace Digital Board (3313TD3026A)
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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DN-37 42LZ30(A) SVC One-Point
DD-LCD TV05-1227
1.Subject : DN-37 42LZ30(A) NO VIDEO(Latch up)
2.Model : DN-37 42LZ30(A)
3.Defect Condition : No Video (Latch up)
(Inverter ON)
Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
4.Cause
1.Details
Inverter On
No Channel operation/No Sound
OSD & Video off
Index window (Front display panel) on /off
No input change
No remote control operation
2. Cancellation condition : AC Off / on
3. Applied P/No :
DN-37LZ30A : ~505KG
DN-42LZ30A : ~505KG
5.Service Up Data using Tera Term program
Boot Code change & S/W Up Data
Boot Code change
Boot_LCD_UNI(37"/42")
S/W UP Data
DN-42/37LZ30A Boot Up Data
(4.02 4.03)
Change DN-37LZ30A S/W Version (3.05.2)
Change DN-42LZ30A S/W Version (3.12.2)
Replace Digital Board
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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32LP1D(K) SVC One-Point
DD-LCD TV05-1228
1.Subject : Unable to receive Analog TV
2.Model : 32LP1D(K)
3.Defect Condition :
1.Unable to receive Analog TV
2.DTV reception is normal
4.Cause
1. Unable to set up Analog channel for
automatic channel setup
2. Be able to set up only DTV channels
for automatic channel setup
3. By replacing TU401 tuner, channel
setup is normal
5.Service
1.Troubleshooting]
Replace TU401 (6700NF0019B)
Replace Analog Boad Board (3313TD3027A)
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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37LP1D SVC One-Point
DD-LCD TV05-1229
1.Subject : NO Video(Latch up)
2.Model : 37LP1D
3.Defect Condition :
1.Details
Inverter On
OSD & Video off
Index window (Front display panel) Off
4.Cause
Defect Cause
Flash ROM Defect(IC101,102)
HD2 IC Defect (IC100)
CPU Defect
5.Service
1.Troubleshooting
Replace Digital Boad Board (3313TD3038A)
2.Trouble Range
506KG~
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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RM-30LZ50/DN-30LZ30A SVC One-Point
DD-LCD TV05-1230
1.Subject : RM-30LZ50/DN-30LZ30A No Picture with Sound
2.Model : RM-30LZ50/DN-30LZ30A
3.Defect Condition : No Video
(No picture with sound)
Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
4.Cause 1.Details
Inverter off
Channel up/Down: Normal
Sound OK
OSD & Video off
Normal input change
2. Cancellation condition : DC Off / on & AC Off / on
3. Applied P/No :
RM-30LZ50 : 411KG~412(8.1V)
DN-30LZ30A : 411KG~502(8.1V)
5.Service
INVERTER VER8.1 :
Remove R60 on Inverter
PCB (6632L-0048D/E)
MODULE R/NO: 6304FLP157A
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
Great Company Great People
37LP1D SVC One-Point
DD-LCD TV05-1231
1.Subject : No Power
2.Model : 37LP1D
3.Defect Condition :
NO POWER
No lighting of Power LED
4.Cause
1.Deos power 33V,3.4V,18V,6V,12V,5V have output voltage?
2.Does DB101 have output voltage?
3.Is F101 open?
4.Is D162 shorted?
5.Service
1.Troubleshooting
F101,D162 Dead
Replace POWER Board (6871TPT315A)
2.Trouble Range
506KG~510KG
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
Great Company Great People
42LP1D(K) SVC One-Point
DD-LCD TV05-1232
1.Subject : No Power
2.Model : 42LP1D(K)
3.Defect Condition :
NO POWER
No LED lighting of Power
4.Cause
1.Deos power 33V,3.4V,18V,6V,12V,5V have output voltage?
2.Does DB101 have output voltage?
3.Is F101 open?
4.Is D162 shorted?
5.Service
1.Troubleshooting
F101,D162 Dead
Replace POWER Board (6871TPT315A)
2.Trouble Range
506KG~510KG
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
Great Company Great People
42LP1D(K) SVC One-Point
DD-LCD TV05-1233
1.Subject : No Picture with Sound
2.Model : 42LP1D(K)
3.Defect Condition : 1.Details
NO Video
Inverter On
OSD & Video off
Index window (Front display panel) ON
4.Cause
1.Details
Inverter off
Channel up/Down: Normal
Sound OK
OSD & Video off
Normal input change
2. Cancellation condition :
Module T-CON Board Fuse(F1)
open (LC420W02-B4K4)
5.Service
1.Troubleshooting
Replace Module (6304FLP353A(295A)
LC420W02- B6K2(1))
Be able to replace T-CON Board only
(6870C-0028D 6870C-0028E)
2.Trouble Range
506KG~507KG
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
Great Company Great People
42LP1D(K) SVC One-Point
DD-LCD TV05-1234
1.Subject : Unable to receive analog TV
2.Model : 42LP1D(K)
3.Defect Condition :
1.Unable to receive analog TV
2.DTV reception is normal
4.Cause
1. Unable to set up Analog channel for
automatic channel setup
2. Be able to set up only DTV channels
for automatic channel setup
3. By replacing TU401 tuner, channel
setup is normal
5.Service
1.Troubleshooting
Replace Analog Boad Board (3313TD4009A)
Replace Tuner 6700NF0019B or 6700NF0019C can be
replaced, too
2.Trouble Range
506KG~
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
Great Company Great People
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