google.com, pub-1990720073119592, DIRECT, f08c47fec0942fa0 LG Service Mode Skip to main content

LG Service Mode









LED BLINKING CODES - LG50PG20 - PLASMA TV - CONNECTOR VOLTAGE DETAILS











VISUAL CLUES FOR FAULT BY LED BLINKS


This information pertains to “Shorted” voltage lines, not
Open voltage lines




  • STBY 5V Short or Open: Power LED does not light in stand by.
    No Power button function.

  • AC Detect Open (Shorted Reset Line): Power LED is lit all
    Blue, 5V STBY OK. Power Button has no effect.

  • M5V Vcc Short: Apply AC Power, goes to flashing Red and
    Blue. Relay Clicks “On and Off”

  • 12V Short: Power LED is lit Red in stand by. At Power On,
    Power LED flashes 2 times Blue then 1 Long Blue goes back to Red. Relay clicks
    off immediately.

  • 16V Short: Apply AC Power , Power LED flashes Blue. Relay
    clicks rapidly on and off.

  • Va or Vs Short: Power LED is lit Red in stand by. At Power
    On, goes to Blue. Relay closes. Power LED blinks blue twice and3rd blink stays blue.
    Relay opens, LED goes to red. Power Supply outputs 16V,12V and 5Vcc,drops to 0V
    after the relay opens. No Va or Vs. With Relay closed, 330V OK, then when relay
    opens, it drops to 155V.


CN101 and P801 Pin ID and Voltages


Voltage and Diode Test Measurements for the SMPS.  All voltages from a working unit.


Connector: CN101


Pin Number: 1 & 3.


Standby: 120VAC


Run: 120VAC




Resistance: 480K




CLICK ON THE TABLES TO MAGNIFY






Comments

Post a Comment

Popular posts from this blog

Firmware TP.SK516S.PC821

  TP.SK516S.PC21 Firmware Download Available  Imran Ashraf Whatsapp Support QR Code  It's looks like you're searching for firmware or software related to the TP.SK516S.PB802 Mother Board Find the Correct Firmware on my this website  1. Check Your TV Brand & Model    - The TP.SK516S.PC821 is Main Board Number      2. Correct Resolution It's FHD or UHD 3. Get From Trusted Website and Trusted Person Like Imran Ashraf 10 Years in this     - If the firmware isn’t available on this website you may need to contected Imran Ashraf he can arrange your requirements       4. Caution with Firmware Flashing      Never download firmware from untrusted sites —it may contain malware or brick your TV.      - Ensure the firmware **exactly matches** your TV model and hardware version. If You Need Further Help: - Contact Whatsapp Support+923139292880 - Specify the issue (e.g., boot loop, no...
Post a Comment
Read more

TP.SK518D.PB802

TP.SK518D.PB802 4G, 512  1920x1080 and 1366x768 Resolution Available Samsung IR Working  Firmware Available YouTube Channel Link 1920x1080 Buying Link 1366x768 Buying Link  Whatsapp Message or Call  +923139292880 Filename Type Size (View PDF) Samsung_2009_PDP_Plasma_Training_Manual_[TM].pdf PDF 3.7 MB (View PDF) Samsung_305TPLUS_[SM].pdf PDF 3.8 MB (View PDF) Samsung_510N_510T_710N_710T_910N_910T_[SM].pdf PDF 7.9 MB (View PDF) Samsung_Atlantis_DLP_Training_Manual_[TM].pdf PDF 2.6 MB (View PDF) Samsung_BN41-00521B_[SCH].pdf PDF 365 KB (View PDF) Samsung_BN44-000123E_[SCH].pdf PDF 344 KB (View PDF) Samsung_BN44-00025A_[SCH].pdf PDF 169 KB (View PDF) Samsung_BN44-00038A_[SCH].pdf PDF 238 KB (View PDF) Samsung_BN44-00041A_[SCH].pdf PDF 178 KB (View PDF) Samsung_BN44-00044A_[SCH].pdf PDF 251 KB (View PDF) Samsung_BN44-00050A_[SCH].pdf PDF 416 KB (View PDF) Samsung_BN44-00056B_[SCH].pdf PDF 140 KB (View PDF) Samsung_BN44-00066A_[SCH].pdf PDF 470 KB (View PDF) Samsung_BN44-...
1 comment
Read more

Philips Codes

PHILIPS - 32PF 5320/28 (Service Mode, Error Codes & Fault Finding] Cont:- Philips 32PF 5320  Service Mode, Error Codes & Fault Finding [Cont:] NO PICTURE, BLANK SCREEN WITH CORRECT SOUND OUTPUT. Check whether the user menu is visible. If the user menu is OK, activate teletext mode. If teletext is OK, the problem is in the ADC [B18]&[Columbus 3D combfilter [B19], if present [depending on model]. If the user menu is not visible, check the LCD panel back light is ON. If the back light is OFF, the problem is in the power supply board or LCD panel.  Also check pin 12 (Lamp_ON_OFF) of 1J02.  It should be high, during normal operation. Fault finding purposes, it is important know the following:-   In Pixels Plus and Digital Crystal Clear models, which have an ADC [Analogue to Digital Converter] (B18), and Columbus 3D comb filter (B19), the digital input of the scaler is used for digital video path (Hercules output), whereas the analogue RGB output , a...
Post a Comment
Read more