lg 2006 lcd tv one-point repair tips good
DESCRIPTION
LG 2006 LCD TV One-Point Repair Tips GoodTRANSCRIPT
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LCD TV One Point Data
Contents
2006.01.05
- Model Classification
- History by Model
Display Global CS Group
LGE Confidential
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Contents
Defect Condition Model Applied ShortcutSerial 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 TV05-1204Dark Picture on Top & Bottom(Picture appears & Disappears) All LCD Module Models
DD-LCD TV05-1204 Transient phenomenon in MODULEAll LCD Module Models
DD-LCD TV05-1204 Transient Phenomenon in MODULEAll 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 19형 N-Chassis
DD-LCD MNT05-1231 No SOUND L2320AL.ALKRT(L2320T/A)
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Contents
Defect Condition Model Applied ShortcutSerial Number
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 19형 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
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32LP1D(K) SVC One-Point
DD-LCD TV05-1201
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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
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32LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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
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RM-30 32LZ50 Glitter NOISE SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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 changing470㎌/16V Capacitor
Part Spec: 470UF SHL,SD 16V 20% (P/No.: 0CE477CF618)
DD-LCD TV05-1203
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RM-30LZ50/DN-30LZ30(A) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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
①Inverter off
②Channel up/Down: Normal
③Sound: OK
④OSD & Video off
⑤Input change: Normal
2. Cancellation condition : DC Off / on &
AC Off / on
3. Applied P/No : Application Status by Inverter Version
① RM-30LZ50 : ~411KG(6.0V)
② DN-30LZ30 : 405KG~411KG(6.0V)
③ 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)
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RM-30 32LZ50 Picture NOISE SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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
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RM-23LZ50 Auto Volume Up SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
RM-23LZ50 Auto Volume Up
RM-23LZ50 Auto Volume Up
- Volume suddenly goes up when power is on
Remove wafer and solder Connector Lead
PART-NO: 6871TST630A※ Lead should remain as it is
RM-23LZ50
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)
DD-LCD TV05-1206
Can be replaced with 6871TST630A
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37LP1D SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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 (3313TD3037A)
37LP1D
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
DD-LCD TV05-1207
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RM-17LZ50 SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
No Sound
Video output is normal but No Sound
1.Troubleshooting
1-1. Replace C107 (2.2UF) → 0CK225DFK4A
1-2. Replace MAIN PCB → 3313TN1030A
RM-17LZ50
1.Details
1-1. No sound for all channels
2.Cause
Crack occurred inside a chip
C107(2.2UF) Defect
DD-LCD TV05-1208
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RM-13LA90 SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
POWER KNOB Defect
POWER KNOB pushed inward
1.Troubleshooting
1-1. Replace Power Knob only
→ Part-no:4940TKP137B
2. Trouble Range
→ Trouble Range: ~ 511KG
RM-13LA90
1.Details
1-1.Power Knob is pushed inward
causing trouble to operate
DD-LCD TV05-1209
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42LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
NO Video(Latch up)
1.Troubleshooting
→ Replace Digital Board (3313TD4010A)
2.Trouble Range
→ 506KG~
42LP1D(K)
Details
①Inverter On
②OSD & Video off
③Index window (Front display panel) OFF
Defect Cause
ⓐ Flsh ROMDefect(IC101,102)
ⓑ HD2 IC Defect (IC100)
ⓒ CPU Defect
DD-LCD TV05-1210
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55LP10D SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
Power Flickering
LED flickering with relay sound
1.Troubleshooting
→ Replace POWER Board (6871TPT296A) (55LP10D)
Substitutive Part-no 6871TPT320D
→ Replace POWER Board (6871TPT320D) (55LP1D)
2. Trouble Range
① 55LP10D :409KG ~ 509KG
① 55LP1D :510KG
55LP10D / 55LP1D
1.Details
ⓐ Power flickering
→ Q110 SHORT
DD-LCD TV05-1211
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55LP10D SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
Rear Cover Off
Rear Cover falls apart as standing on Tilt Swivel
55LP10D
DD-LCD TV05-1212
1.Details
Ⓐ Rear cover falls apart in standing condition
Ⓑ Cause → Deformation of Back Cover
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
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DN-37LZ30 SVC One-Point
1.Subject :
2.Model Applied :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
DN37LZ30_Black & White Picture
Analog TV, AV: Picture displays in black and whiteDTV, D-SUB, DVI: Picture displays in normal color
RF (Analog TV), AV Signal have no color (Black & white display)
Replace X301(SC20.25A501) Characteristic Defect
Defect Cause: X301(SC20.25A501) Part characteristics defect
Part Spec: SCO-103 SUNNY 74.25MHZ +/- 50 (P/No.: 6204B47985H)
Defect Picture Normal Picture
DD-LCD TV05-1213
DN-37LZ30
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LCD TV Option Key One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
LCD TV Option Key Setup
After replacing main PCB for service, all function letters are in English
- Default is in English, Key setup is required
Press IN-START key on ADJUST REMOCON, and the above picture appears
Refer to the attachment for setup Setup
ADJUST REMOCONPART-NO:105-201MIn principle, refer to the attachments for setup
LCD TV MODEL
TV Option
DD-LCD TV05-1214
After replacing main PCB for service, all function letters are in English
- Default is in English, Key setup is required
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RM-32LZ50 Picture NOISE SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
RM-32LZ50 No Picture with Sound
INVERTER :Remove R60 on Inverter PCB
※ MODULE R/NO: 6304FLP163A
RM-32LZ50
1.Details
①Inverter off
②Channel up/Down: Normal
③Sound OK
④OSD & Video off
⑤Input change: Normal
2. Cancellation condition :
DC Off / on & AC Off / on
3. Applied P/No : 411KG~502KG
DD-LCD TV05-1215
No Video
(No picture with sound)
→ Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
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DN-37 42LZ30(A) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
DTV SOUND LOW
Low Sound for DTV
→ Up Data using Tera Term program
① 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
DN-37 42LZ30(A)
DD-LCD TV05-1216
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
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DN-37 42LZ30(A) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
Image Saturation (DTV)
(Face and hair has black edge and white band)
DN-37 42LZ30(A)
DD-LCD TV05-1217
Image Saturation (DTV) (Face & hair has black edge & white band)
→ Replace IC810 V4.03 with V4.04 (0IZZTSZ473A)
→ Replace Digital Board (33139D3010A)
1.Details(Occurs when AI On)
①Inverter On
②When channel up, sound is heard
③OSD & Video off
④Index window (Front display) On
⑤Normal input change
2. Cancellation condition
: DC Off / on & AC Off / on
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DN-42LZ30(A) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
DN-42LZ30(A)
DD-LCD TV05-1218
Image Saturation (DTV) (Face & hair has black edge & white band)
Image Saturation (DTV)
(Face and hair has black edge and white band)
1.Details(Occurs when AI On)
①Inverter On
②When channel up, sound is heard
③OSD & Video off
④Index window (Front display) On
⑤Normal input change
2. Cancellation condition
: DC Off / on & AC Off / on
→ 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
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55LP10D SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
No Power
No Power (No LED lighting)
1.Troubleshooting
→ Replace POWER Board (6871TPT296A) (55LP10D)
Substitutive Part-no 6871TPT320D
→ Replace POWER Board (6871TPT320D) (55LP1D)
2. Trouble Range
① 55LP10D :409KG ~ 509KG
① 55LP1D :510KG
55LP10D / 55LP1D
1.Details
ⓐ NO POWER
→ BD101 SHORT
DD-LCD TV05-1219
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32LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
NO POWER
(Power Flickering)
32LP1D(K)
1.Details
ⓐ NO POWER
▶ F101,BD101 Dead
▶ IC102((F9222L) Dead
▶ IC103(VIPER22A) Dead
ⓑ Power Flickering
▶ Q102(D12NF06L)Dead
→ Replace POWER BOARD (6871TPT303B/D)
DD-LCD TV05-1220
NO POWER (Power Flickering)
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32LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
INVERTER :Remove R60 on Inverter PCB
※ MODULE R/NO: 6304FLP163A
32LP1D(K)
1.Details
①Inverter off
②Channel up/Down: Normal
③Sound OK
④OSD & Video off
⑤Normal input change
2. Cancellation condition
: DC Off / on & AC Off / on
DD-LCD TV05-1221
32LP1D(K) No Picture with Sound
No Video
(No picture with sound)
→ Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
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55LP1D SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
Latch up (No Sound/No Picture)
1.Troubleshooting
→ Replace Digital Board (3313TD500031)
2. Trouble Range
① 55LP10D :507KG ~ 510KG
55LP1D
1.Details
HD2 Chip Defect
DD-LCD TV05-1222
1.Details ① Inverter on
② No channel operation/No Sound
③ OSD & Video off
④ Index window (Front display panel) Off
⑤ No input change
⑥ Only Power key works on remote control,
unable to operate other keys
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DN-30 37 42LZ30(A) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
DN-30 37 42LZ30(A) NO VIDEO
→ Replace Digital Board
① Connect Jumper wire at IC314 TP POINT
(HD2 Chip Latch up)
② Remove R250 and connect to upper part of
R250
③ DN-37/42LZ30(A) CPLD UP Data(4.01 → 4.02)
DN-30LZ30(A) CPLD UP Data(4.02 → 4.03)
DN-30 37 42LZ30(A)
2. Cancellation condition : AC Off / on
3. Applied P/No :
① DN-30LZ30A : 411KG~502KG
② DN-37LZ30A : 411KG~502KG
③ DN-42LZ30A : 411KG~502KG
DD-LCD TV05-1223
No Video
(Inverter ON)
→ Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
1.Details
① Inverter on
② No channel operation/No Sound
③ OSD & Video off
④ Index window (Front display panel) On/Off
⑤ No input change
⑥ No remote control operation
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DN-37 42LZ30(A) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
DTV Sound Low
DTV Sound is low
→ Up Data using Tera Term program
① 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
DN-37 42LZ30(A)
DD-LCD TV05-1224
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
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32LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
NO Video (Latch up)
NO Video
(Latch up)
32LP1D(K)
→ Replace Digital Board (3313TD3026A)
1.Details
①Inverter On
②OSD & Video off
③Index window (Front display panel) Off
2.Defect Cause
ⓐ Flsh ROMDefect(IC101,102)
ⓑ HD2 IC Defect (IC100)
ⓒ CPU Defect
DD-LCD TV05-1225
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32LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
32LP1D(K)
→ S/W UP Data using Tera Term program (Up data to 3.18.1 or 3.18.2)
→ Replace Digital Board (3313TD3026A)
1.Details
Slow motion occurs in a moment while
watching Analog TV
(Same for component input)
DD-LCD TV05-1226
Slow Motion while watching Analog TV (same for component)
Slow Motion while watching Analog TV (same for component)
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DN-37 42LZ30(A) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
DN-37 42LZ30(A) NO VIDEO(Latch up)
→ Up Data using Tera Term program
① 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
DN-37 42LZ30(A)
1.Details
①Inverter On
②No Channel operation/No Sound
③OSD & Video off
④Index window (Front display panel) on /off
⑤No input change
⑥No remote control operation
2. Cancellation condition : AC Off / on
3. Applied P/No :
① DN-37LZ30A : ~505KG
② DN-42LZ30A : ~505KG
DD-LCD TV05-1227
No Video (Latch up)
(Inverter ON)
→ Occurs when DC is On
(Occurs as turning on with remote control after
being left for hours)
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32LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
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 Boad Board (3313TD3027A)
32LP1D(K)
DD-LCD TV05-1228
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
Great Company Great People
37LP1D SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
NO Video(Latch up)
1.Troubleshooting
→ Replace Digital Boad Board (3313TD3038A)
2.Trouble Range
→ 506KG~
37LP1D
1.Details
①Inverter On
②OSD & Video off
③Index window (Front display panel) Off
DD-LCD TV05-1229
Defect Cause
ⓐ Flash ROM Defect(IC101,102)
ⓑ HD2 IC Defect (IC100)
ⓒ CPU Defect
Great Company Great People
RM-30LZ50/DN-30LZ30A SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
RM-30LZ50/DN-30LZ30A No Picture with Sound
RM-30LZ50/DN-30LZ30A
1.Details
①Inverter off
②Channel up/Down: Normal
③Sound OK
④OSD & Video off
⑤Normal input change
2. Cancellation condition : DC Off / on & AC Off / on
3. Applied P/No :
① RM-30LZ50 : 411KG~412(8.1V)
② DN-30LZ30A : 411KG~502(8.1V)
INVERTER VER8.1 :Remove R60 on Inverter
PCB (6632L-0048D/E)※ MODULE R/NO: 6304FLP157A
DD-LCD TV05-1230
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
37LP1D SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
No Power
NO POWER
▶ No lighting of Power LED
1.Troubleshooting
▶ F101,D162 Dead
→ Replace POWER Board (6871TPT315A)
2.Trouble Range
→506KG~510KG
37LP1D
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?
DD-LCD TV05-1231
Great Company Great People
42LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
No Power
ⓐ NO POWER
▶ No LED lighting of Power
1.Troubleshooting
▶ F101,D162 Dead
→ Replace POWER Board (6871TPT315A)
2.Trouble Range
→506KG~510KG
42LP1D(K)
DD-LCD TV05-1232
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?
Great Company Great People
42LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
No Picture with Sound
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
42LP1D(K)
1.Details
①Inverter off
②Channel up/Down: Normal
③Sound OK
④OSD & Video off
⑤Normal input change
2. Cancellation condition :
→ Module T-CON Board Fuse(F1)
open (LC420W02-B4K4)
DD-LCD TV05-1233
1.Details
ⓐ NO Video
①Inverter On
②OSD & Video off
③Index window (Front display panel) ON
Great Company Great People
42LP1D(K) SVC One-Point
1.Subject :
2.Model :
3.Defect Condition :
4.Cause
Prepared by :Display Division GCS Group CS2 Call 080-647-7777
5.Service
Unable to receive analog TV
1.Unable to receive analog TV
2.DTV reception is normal
1.Troubleshooting
→ Replace Analog Boad Board (3313TD4009A)
→ Replace Tuner 6700NF0019B or 6700NF0019C can be replaced, too
2.Trouble Range
→ 506KG~
42LP1D(K)
DD-LCD TV05-1234
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