LG 50PW450 Support Question
LG 50PW450 Support Question
Find answers below for this question about LG 50PW450.Need a LG 50PW450 manual? We have 1 online manual for this item!
Question posted by jfrf621 on August 8th, 2015
Lg 50pb560b Tv Will Not Turn On
my lg 50pb560b plasma tv will no com on after a power outage. the red light remains off after plugged in and will not start
Current Answers
Answer #1: Posted by TechSupport101 on August 8th, 2015 10:27 PM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
The TV must have suffered a power surge and possible power supply damage. Find a Service Manual specific for the model here for assistance with resolving the issue here.
Answer #2: Posted by TechSupport101 on August 8th, 2015 8:52 PM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
Find and reference to the Service Manual here for the best assistance with the possible causes of your power on issue.
Related LG 50PW450 Manual Pages
Service Manual - Page 3
...the AC plug prongs tied together and touch other ohm-meter lead in this check. Use a transformer of adequate power rating as...two AC plug prongs.
Only for each exposed metallic parts such as WATER PIPE, CONDUIT etc.
1.5 Kohm/10W
Copyright ©2011 LG Electronics Inc... in turn to prevent X-RADIATION, Shock, Fire, or other Hazards.
Leakage Current Hot Check (See below Figure) Plug the ...
Service Manual - Page 4
...% ~ 90 % AC 100 V ~ 240 V, 50 / 60 Hz
Copyright ©2011 LG Electronics Inc. V Test Method
(1) Performance : LGE TV test method followed. (2) Demanded other specification
Safety : CE, IEC specification, EMC : CE,...177; 9 °F), CST : 40 ± 5 (2) Relative Humidity: 65 % ± 10 % (3) Power Voltage: Standard Input voltage (100 V - 240 V ~, 50 / 60 Hz)
* Standard Voltage of each drawing...
Service Manual - Page 6
...Single color pattern ( WHITE ) of the PDP TV with PD11A chassis.
2. Main PCB check process
* APC - Copyright ©2011 LG Electronics Inc. LGE Internal Use Only In case of...Set is activated HEAT run without signal generator in the circumstance of 0 °C, it on. -> If you turn on agreeing.
(2) Power adjustment : Free Voltage. (100 V ~ 240 V, 50 Hz / 60 Hz.)
(3) Magnetic Field Condition:...
Service Manual - Page 7
..."ADJ"key, - Copyright ©2011 LG Electronics Inc. All rights reserved. LGE...37966 54144 26892 32
50PW450-ZA 50T3 37056 ...power on TV.
if all channel data. 4. USB DOWNLOAD (*.epk file download)
(1) Put the USB Stick to adjust TOOL OPTION again. (1) Push "IN-START" key in service remote controller. (2) Select "Tool Option 1" and Push "OK" button. (3) Punch in USB Stick is turned...
Service Manual - Page 8
...-
100+, CA210 ) to CSM and Module
CSM
PLASMA
Cool
11000K
Medium
9300K
Warm
6500K
O CS-1000/...start , keep the Power on (no suspension of the module. (3) Aging time
After aging start by CS-1000 before
measuring O Auto W/B adjustment instrument(only for adjustment -
LGE Internal Use Only Check display and sound
- No signal with the snow noise in the place where the influx of light...
Service Manual - Page 11
... operation. (1) Connect LAN cable from Computer to TV Set (2) When network operates normally, you can see...Only for training and service purposes
- 11 -
Copyright ©2011 LG Electronics Inc. Model name & Serial number D/L
(2) Enter 3D ...RED -> normal , others -> abnormal
(Sensor DATA 0 ~ 4095, Power Saving Mode 0 ~ 12) * IF you will see the picture like below)
(1) Press "Power...
Service Manual - Page 12
... Write CI+ Key through RS-232-C. (4) Check whether the key was downloaded or not at 'In Start'
menu. (Refer to the menu '5.Model Number D/L' like below photo. 3) Input the Factory model...the model name Instart menu ? All rights reserved. Download Procedure
(1) Press "Power on Instart menu
Copyright ©2011 LG Electronics Inc. Only for training and service purposes
- 12 - 11-2. ...
Service Manual - Page 13
Copyright ©2011 LG Electronics Inc. Only for download : NGx
12-3.
abnormally status for training and service purposes
- 13 ... œ IF you donst have ADJ R/C, enterrFactory Resetsin OPTION MENU.
(6) When TV turn on, check the Updated version on TV
(1) Put the USB Stick to USB Stick and Turn on Diagnostics MENU. All rights reserved.
Check the method of CI+ key by command...
Service Manual - Page 25
... is SVC Bulletin in GCSC System for these model.
ⓒ LG Electronics. Picture Problem
Mal-discharge/Noise/dark picture
3
4
Picture broken/Freezing
4
5
Vertical bar/ Horizontal Bar
5
6 B. Symptom (L)
Symptom (M)
Page
Remark
1
No Picture/Sound OK
1
2
No Picture/No sound
2
3
A. Power Problem
7
No Power (Not turn on)
6
Turn off (Instant, under watching)
7
8
C.
Service Manual - Page 26
...
Making Revision
2010. 11. 16
전자 - 6-2 1/10
First of all, Check whether all of cable between board was inserted properly or not.
(Main B/D ↔ Power B/D, Power B/D ↔ Y-sus B/D, Power B/D ↔ Z-Sus B/D(for each voltage ☞A4
-VY VSC VZB
1
ⓒ LG Electronics. LED on Power Board / Control Board
.Check B+(5V)
N
☞A8~A11
1.
Service Manual - Page 27
...(S/W Upgrade etc)
Normal Sound?
Y
Check Speaker jack connection & Speaker Cable open
Close
Close
Normal N Sound?
Repair Process
PDP TV
Symptom
A. SVC Bulletin?
Y
Check Power B/D Replace Power B/D
Check Audio IC Short Replace Main B/D
2
ⓒ LG Electronics. Picture Problem
No Picture/No Sound
Making Revision
2010. 11. 16
전자 - 6-2 2/10
☞A1
Check...
Service Manual - Page 28
Repair Process
PDP TV
Symptom
Check Picture problem
Type
☞A14
Mal-discharge
Dot type
Scan Type...
Making Revision
2010. 11. 16
전자 - 6-2 3/10
Replace Control board
Normal
N
Picture? Y
Close
Replace Module
ⓒ LG Electronics. and
Rom Upgrade
Normal
N
Picture?
Inc.2010 Picture Problem
Mal-discharge/Noise/dark picture
☞A15
Check CTRL ROM Ver.
Y ...
Service Manual - Page 29
...By using Diagnostics menu on OSD
( Menu→Press red key on R/C →Signal TEST) - Signal strength (Normal : over 50%)
Normal Signal?
Install Booster...
Normal Picture?
Repair Process
PDP TV
Symptom
A. Y
Close
4
Normal Picture? Contact with signal
N
distributor or
broadcaster
(Cable or Air)
ⓒ LG Electronics. Reconnection 2. Y
Close
Check ...
Service Manual - Page 30
Repair Process
PDP TV
Symptom
A. Module
Y Close
ⓒ LG Electronics. Y Replace Module
Vertical Line/Bar
Irregular Vertical Line / Bar
☞A13 N
1.Check CTRL B/D 2.Replace Board
☞A20
Check connection of Connector (FFC)
on FFC
5
&#...
Service Manual - Page 31
... Board
Close
Normal Y Voltage? N
☞A23
Check Power B/D Replace Power B/D
N
Check Main B/D Replace Main B/D
☞A22
Check the other pin's Output voltage on )
Making Revision
2010. 11. 16
전자 - 6-2 6/10
Check Power LED
.
Power Problem
No Power (Not turn on Power B/D
Normal
N Replace Power B/D
Y Close
6
ⓒ LG Electronics. Inc.2010 Repair Process
PDP...
Service Manual - Page 32
...
Repair Process
PDP TV
Symptom
B. Check Power Off History
Y
"Off timer" Function off Under watching
☞A24
N "Off Timer"
Set? Replace defective B/D
Turn off
RCU Off KEY Off 2HOUR Off NO Signal Off
Don't appear Power Off History
This is not problem Normal operation
Move No Power problem
Section
7
ⓒ LG Electronics. Power Problem
Turn off (Instant, under...
Service Manual - Page 33
...TV
Symptom
C. Check Speaker jack connection & Speaker Cable open - N Y Close
Problem in only DTV
Problem in external input (SCART,HDMI,,,)
Check whether Problem happen in OSD Menu
Normal N Sound?
Y Close
Check AVL off/on Clear voiceⅡ off/on Power B/D
N
Normal voltage?
☞A23
N Check Power B/D Replace Power... Audio IC Replace Main B/D
8
ⓒ LG Electronics.
Service Manual - Page 34
...
Replace Main B/D
Normal
Y
Signal? N
☞A27
Check & Repair Cable connection Connector solder
Move Power problem
Section
Normal N operating?
☞A27
Check Key Output signal
Replace Main B/D
Normal Y Signal? N
☞A26
Check & Repair Cable connection Connector solder
Check R/C Operating When turn off light in room
If R/C operate, Explain the customer cause is interference
from...
Service Manual - Page 35
.... 16
전자 - 6-2 10/10
Check RF emitter
Operation
Check the signal between the RF emitter
and Mani board
Normal Y Signal? N Replace Main B/D
10
ⓒ LG Electronics. Repair Process
PDP TV
Symptom
D. at SVC menu
Normal
N
operating? General Function Problem
Making
Remote control & Local Key & RF emitter checking Revision
3.
Service Manual - Page 69
Repair Process-Reference data
PDP TV
Symptom
B. Inc.2010 Power Problem
Check Power off History
Making Revision
▣ Check Power off History by using SVC Remote controller
Press "In-start" →Press" 0000" → Select "Power Off History" → Pop up Module Rom ver.
2010. 11. 16
전자 - 6-2 A24
LAST HISTORY 1~5 RCU OFF KEY OFF
2HOUR...
LG Knowledge Base Results
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Television No Power - LG Consumer Knowledge Base
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Television: No Power - LG Consumer Knowledge Base
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