Error Codes; Error Code Log; Soun Projector Transducer Test - Mitsubishi Electric LT-52151 Service Manual

MODELS: LT-40151 / LT-46151 / LT-52151 / LT-40153 / LT-46153 / LT-52153 / LT-46249 / LT-52249

ERROR CODES

Error Codes, causes and the most likely failure are listed below:
ERROR CODES
Error Code
12 Normal off
27 INVERTER-SHORT
44 LVDS Cable connection detection
48 PON-SHORT
59 PNL12V SHORT
69 T2W-PWR SHORT

ERROR CODE LOG

The Error Code Log may be helpful to retrieve the code for an error that occurred in the past.
To access the Error Code Log: Press <MENU> <3-5-6-4>
Error Code Definitions
• PAGE - Current page number
• CURRENT TIME - total hours of operational use.
• LAMP TIME - usage hours when the error occurred.
• CODE - the specific Error Code that occurred.
• STATUS: HAPPENED - Indicates an error was recorded.
Press <CANCEL> to erase the Log.
NOTE: The Error Code Log is intended as a reference tool and is not meant to be used as a final determination
of a defective part.
SOUND PROJECTOR TRANSDUCER TEST
This procedure will test will each of the TV's speakers individually using an internal white noise generator.
1. Press the <MENU> button on the remote control. The Customer Menu will appear.
2. Press the <2-4-5-7> buttons. The Service Menu will appear.
3. Press the <0> button. The Data Selection Menu will appear. See below.
SOUND PROJECTOR TRANSDUCER TEST
BACKUP AND RESTORE ISF SETTINGS
RED ONLY AND GREEN ONLY
4. Use the < > buttons to select "SOUND PROJECTOR TRANSDUCER TEST" and press <ENTER>. The
Sound Projector Transducer Test Menu will be displayed. The tone will automatically cycle from one
speaker to the next as indicated on screen. Follow the instructions to manually cycle the tone.
Sound Pro jector Transducer Test
AUTO
1 2 3 4 5
Press AUDIO/Page UP to toggle between AUTO and M ANUAL
Press Right to Next Speaker (When M ANUAL)
Press Left to Previous Speaker (When MANUAL)
Press 0 to end the test
5. Press <MENU> to exit.
Cause
No Problem detected
PWB-POWER or Panel-Assembly
Loose LVDS Cable at PWB-MAIN or Panel Assembly
PWB-MAIN
PWB-POWER or Panel-Assembly
PWB-POWER or PWB-NET/ML (VLP41++)
6 7 8 9 10
Page 25
Most Likely Failure
***** PAGE (001/001) *****
CURRENT TIME: 01455 HOURS
LAMP TIME CODE STATUS
00413 HRS 44 HAPPENED
00716 HRS 59 HAPPENED Press Up t o Previo us Page
Press Do w n t o Next Page
Press Right t o Top Page
Press Left t o Last Page
Press CANCEL t o Init ialize
Press MENU t o Exit
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