LCD TV and Monitor basic troubleshooting guides - Page 8

**selldoor** · 01-18-2015, 01:21 PM

Shade Engineer- So why ask in this "teaching" / Guide thread !!!? start your own - read the stickies and post the pictures.

**budm** · 01-25-2015, 08:07 PM

Toshiba 32av502R fix.
http://www.badcaps.net/forum/showthr...02R#post471219

**budm** · 01-27-2015, 11:47 AM

SONY KDL_S4100 FIRMWARE V1.115
http://www.badcaps.net/forum/showpos...0&postcount=27

**budm** · 01-27-2015, 01:22 PM

Sony KDL-52V150 Firmware and instructions.

**budm** · 01-27-2015, 01:30 PM

KDL-40S41 00, KDL-46S4100, and KDL-52S4100 firmware installtion instructions and firmware:

Side notes:
http://www.badcaps.net/forum/showthr...d=1#post525059

**budm** · 01-27-2015, 08:11 PM

Samsung LNxxA630 series with same bad caps (C102, C131 should be changed at the same time) as LNxxA550 series.
http://www.badcaps.net/forum/showthr...208#post525208

**budm** · 01-28-2015, 10:52 AM

Sony KDL 40v5810 firmware:
http://www.badcaps.net/forum/showpos...4&postcount=10

http://www.badcaps.net/forum/showthr...284#post525284

**budm** · 01-28-2015, 12:05 PM

PANASONIC cap for C102:
http://www.badcaps.net/forum/showpos...&postcount=129

**budm** · 01-29-2015, 06:26 PM

Kester Alloy temperature chart.
Temperature conversion chart.

**budm** · 02-23-2015, 10:56 AM

NASA Workmanship standards.
http://workmanship.nasa.gov/lib/insp.../frameset.html

http://workmanship.nasa.gov/lib/insp.../frameset.html

http://workmanship.nasa.gov/lib/insp.../frameset.html

**budm** · 02-24-2015, 12:30 PM

Vizio GV42L Turns On then Off: Thanks to AVGEEK
http://www.badcaps.net/forum/showthr...42L#post491523

**Fwrothy** · 02-25-2015, 04:23 PM

Wow this thread keeps expanding, what a wealth of knowledge! Stopped by and filled up my library...
Thank you again Budm for your continuing efforts(:

**budm** · 02-26-2015, 10:53 AM

Toshiba 32AV502R, 37AV502R with unstable 5VSTBY (blinking green power LED, and the STBY power supply uses VIPER27 IC).
Replace D200 (1N914/4148) which feed the OV signal to pin 3 of the IC.
http://www.badcaps.net/forum/showthr...125#post535125

**budm** · 02-26-2015, 11:22 PM

Learning more about electrolytics caps.

**budm** · 03-09-2015, 09:49 PM

SAMSUNG notes on bad MUR diode.
http://www.badcaps.net/forum/showpos...1&postcount=36

**budm** · 03-12-2015, 08:54 AM

CXA3809 IC (PFC, ACD, SMPS)
Working Voltages:
http://www.badcaps.net/forum/showpos...4&postcount=20

BEFORE WITH BAD IC6301

------ STBY | POWER ON
C6325 340V 340V
C6117 7.75V 13.45V
C6118 8.05V 13.89V
Vcc @ CXA3809m 7.77V (stby) 13.48V (on)
Pin2 (mode)@ CXA3809m** 0.3mV (stby) -24.3mV (on)
pin3 (AC_detin) @ CXA3809m** 0.601V (stby) 0.576 (drops)
T-Con VCC, REG 12V, UNREG 12V, all 0v or close enough stby or on.

AFTER IC6301 SONY A3809 REPLACED

------ STBY | POWER ON
C6325 339V 394V
C6117 12.45V 14.02V
C6118 12.41V 14.34V
Vcc @ CXA3809m 12.44V (stby) 14.04V (on)
Pin2 (mode)@ CXA3809m** 12.38V (stby) 93.8mV (on)
pin3 (AC_detin) @ CXA3809m** 5.36V (meter on DC) 1.83V (meter on AC)

**budm** · 03-18-2015, 03:51 PM

Simple LED driver IC.

**budm** · 03-20-2015, 03:50 PM

About SLA batteries:
http://www.badcaps.net/forum/showpos...3&postcount=16

pnv · 03-27-2015, 10:49 AM

how to test LED backlight?
thanks!

**budm** · 03-27-2015, 10:53 AM

Quote:

Originally Posted by pnv

how to test LED backlight?
thanks!

Please create a new thread and then we can give you suggestion.

01-18-2015, 01:21 PM	#141
selldoor Slow Learner Join Date: Dec 2010 City & State: Lancashire UK Posts: 7,853	Re: LCD TV and Monitor basic troubleshooting guides Shade Engineer- So why ask in this "teaching" / Guide thread !!!? start your own - read the stickies and post the pictures. __________________ Please upload pictures using attachment function when ask for help on the repair http://www.badcaps.net/forum/showthread.php?t=39740

01-25-2015, 08:07 PM	#142
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides Toshiba 32av502R fix. http://www.badcaps.net/forum/showthr...02R#post471219 __________________ Never stop learning Basic LCD TV and Monitor troubleshooting guides. http://www.badcaps.net/forum/showthr...956#post305956 Voltage Regulator (LDO) testing: http://www.badcaps.net/forum/showthr...999#post300999 Inverter testing using old CFL: http://www.badcaps.net/forum/showthr...er+testing+cfl Tear down pictures : Hit the ">" Show Albums and stories" on the left side http://s807.photobucket.com/user/budm/library/ TV Factory reset codes listing: http://www.badcaps.net/forum/showthread.php?t=24809

01-27-2015, 11:47 AM	#143
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides SONY KDL_S4100 FIRMWARE V1.115 http://www.badcaps.net/forum/showpos...0&postcount=27

01-27-2015, 08:11 PM	#146
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides Samsung LNxxA630 series with same bad caps (C102, C131 should be changed at the same time) as LNxxA550 series. http://www.badcaps.net/forum/showthr...208#post525208

01-28-2015, 10:52 AM	#147
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides Sony KDL 40v5810 firmware: http://www.badcaps.net/forum/showpos...4&postcount=10 http://www.badcaps.net/forum/showthr...284#post525284 Last edited by budm; 01-28-2015 at 10:53 AM..

02-24-2015, 12:30 PM	#151
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides Vizio GV42L Turns On then Off: Thanks to AVGEEK http://www.badcaps.net/forum/showthr...42L#post491523

02-25-2015, 04:23 PM	#152
Fwrothy Senior Member Join Date: Feb 2014 City & State: Caledon Ontario My Country: Canada Line Voltage: 120VAC 60Hz I'm a: Knowledge Seeker Posts: 174	Re: LCD TV and Monitor basic troubleshooting guides Wow this thread keeps expanding, what a wealth of knowledge! Stopped by and filled up my library... Thank you again Budm for your continuing efforts(:

02-26-2015, 10:53 AM	#153
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides Toshiba 32AV502R, 37AV502R with unstable 5VSTBY (blinking green power LED, and the STBY power supply uses VIPER27 IC). Replace D200 (1N914/4148) which feed the OV signal to pin 3 of the IC. http://www.badcaps.net/forum/showthr...125#post535125

03-09-2015, 09:49 PM	#155
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides SAMSUNG notes on bad MUR diode. http://www.badcaps.net/forum/showpos...1&postcount=36

03-12-2015, 08:54 AM	#156
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides CXA3809 IC (PFC, ACD, SMPS) Working Voltages: http://www.badcaps.net/forum/showpos...4&postcount=20 BEFORE WITH BAD IC6301 ------ STBY \| POWER ON C6325 340V 340V C6117 7.75V 13.45V C6118 8.05V 13.89V Vcc @ CXA3809m 7.77V (stby) 13.48V (on) Pin2 (mode)@ CXA3809m 0.3mV (stby) -24.3mV (on) pin3 (AC_detin) @ CXA3809m 0.601V (stby) 0.576 (drops) T-Con VCC, REG 12V, UNREG 12V, all 0v or close enough stby or on. AFTER IC6301 SONY A3809 REPLACED ------ STBY \| POWER ON C6325 339V 394V C6117 12.45V 14.02V C6118 12.41V 14.34V Vcc @ CXA3809m 12.44V (stby) 14.04V (on) Pin2 (mode)@ CXA3809m 12.38V (stby) 93.8mV (on) pin3 (AC_detin) @ CXA3809m 5.36V (meter on DC) 1.83V (meter on AC)

03-20-2015, 03:50 PM	#158
budm Badcaps Veteran Join Date: Feb 2010 City & State: S.F. Bay area My Country: USA Line Voltage: 120V 60Hz I'm a: Knowledge Seeker Posts: 39,206	Re: LCD TV and Monitor basic troubleshooting guides About SLA batteries: http://www.badcaps.net/forum/showpos...3&postcount=16

03-27-2015, 10:49 AM	#159
pnv New Member Join Date: Apr 2013 City & State: Slobozia/iALOMITA My Country: Romania I'm a: Knowledge Seeker Posts: 10	Re: LCD TV and Monitor basic troubleshooting guides how to test LED backlight? thanks!

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