Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

1 Answer

Blank picture, sound ok,OSD display ok.

I tried to solve this trouble,but still can't fix it.signal is present in pin 66,67,68 of I.C.TA1360AFG ABL circuit is normal. blanking circuit normal also.I'm wondering if theres something to do with service mode. Any one knows how to open the service mode for this model? Any comment will be very much appreciated.

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Try volume up and power buttons in the stand by mode(off) if not menu and power.

Posted on Apr 18, 2008

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1 Answer

No video image on LCD but OSD works


Sounds like you may have a bad video cale or a dmaged or bentpin in the connector, remove the cable from the monitor and look at the pins on the connector

Dec 14, 2009 | Philips 170S4FG 17" LCD Monitor

1 Answer

TV SET LOSES PICTURE AND BECOMES BLANK BUT OTHER FUNCTIONS ARE WORKING PROPERLY ONLY THAT YOU CANT SEE ANYTHING


This is probably an ABL problem,look for an open or changed valued resister from b+ to abl flyback pin.The brand and model may help.

Aug 28, 2009 | Televison & Video

1 Answer

Too dark sony model kv21gmr1


Warning: The following procedures should be done by an expert.
1.First step is to check the physical condition of the set.Before starting troubleshooting try to resolder the board and find any cold or loss solder.Then after plug the set and see if the filament of the tube glows.If not the trouble is in heater circuit.
2.After seeing the filament if it glows, check the CRT socket and open it.If you can see a sign of terminal decay such as greenish unwanted element on terminal surface,replace the CRT socket.
3.If replacement does remedy the problem check RGB drivers and resolder or replace jungle IC.
4.Try also to adjust the screen adjustment found in the flyback transformer.
5.Another possible cause is the vertical IC.Adjust the screen to full and see if their is a white horizontal line on the screen.If so the problem isin vertical circuit.

Jul 12, 2009 | Sony Televison & Video

1 Answer

Closed caption


Manual Library you should find all you need here:
http://www.techlore.com/group/2/list_downloads
Just word search the manual for closed caption


if you can find this in your TV options I cut and pasted it from the manual, see the line with Closed caption settings see if yours matches, sorry about the formatting this furm post will not cut and paste properlyeach of the #'s below corosponds to the bold headings.

OptionSetting/Basic2US1/BasicW/Basic+2US2/Core2US3/Basic+2US4
AAVL 1 1 1 1 1 Auto Volume Level via Sound Menu
ACS 0 0 0 1 0 Auto Convergence
AOUT 1 1 1 1 1 Audio Out
APC 1 1 1 1 1 Auto Picture Control
AV3 1 1 1 1 1 Side AV Source
AV5 0 1 1 1 1 (yes this is blank)
BNUM 1 1 1 1 1 Numerics Displayed in Menus
C169 1 1 NA 0 NA Compress 16:9 mode available
CBFL 1 1 1 1 1 Comb Filter Present
CCAP 1 1 1 1 1 Closed Caption
CFMU NA NA 1 1 1 Comb Filter Menu Item

I also found this with the word search but it makes no sense to me sorry...

The HDR2002 has two microprocessors. The Microprocessor, 7001, on the SSB monitors the Keyboard and the Remote sensor during standby. This IC controls the Tuner, Video switching on the SSB, generates the consumer OSD. Pin 5 of 7001 monitors the Keyboard for a voltage change to generate a command. The Front Detect line on Pin 6 monitors the AV inputs on the Side Jack panel. If a problem develops, the Front Detect will go Low, preventing 7001 from receiving any commands. The Power Fail input on Pin 79 goes High if the set looses power while the set is On. Composite Video is fed to Pin 31 for Closed Caption decoding. Horizontal and Vertical sync on Pins 53 and 55 synchronize the OSD and Closed Captions display signals, which are output on Pins 46, 47, and 48. Fast Blanking for the OSD is output on Pin 52 There are three I2C busses on 7001. The Bus on Pins 78, 80, and 97 communicates with the MemoryIC 7012. This IC stores Customer setup information, Option codes, and Error codes. I2C busses, Sand F communicate with the Tuner on the PIP panel, and the ICs on the SSB. The S bus also controlsthe Tuner on the SSM and the Audio and Video switching on the SSM. Data lines on Pins 16 and 17communicate with the Microprocessor on the ACS module.

below is my general post about this TV, I'm not sure if any of its info will help but there are links to other info on this TV set... Good luck

Great reference link that I posted pictures on, check out page 3
http://www.techlore.com/forum/thread/16736/Magnavox-51MP392H-17-51-quot--TV-has-double-vision/

Where I got all my parts that worked:
Suburban Electronics http://www.suburban-elect.com/

Manual Library you should find all you need here:
http://www.techlore.com/group/2/list_downloads


BTW if you don’t plan on trying this and are going to throw out the TV, I still need a IC convergence board for a 51MP392H/17 TV I'm fixing, I'm willing to pay S/H and buy your IC board that’s not been tampered with. Edwinkraus@hotmail.com

Nov 06, 2008 | Philips Magnavox 51MP392H Rear Projection...

4 Answers

Osd lock


Hold down key 1 for 10 seconds .. your osd lock will be unlocked

Jun 13, 2008 | ViewSonic 17" CRT Monitor

2 Answers

My Sony TV KV32s45 32" Shows no picture but has sound. After a few houres of unpuging the TV the screen is good but then the picture gose up and all i see i a black screen but the sound is good. THE stanby...


Picture int disappears leaving snow on screen
Resolder the Xtal in the tuner
No picture - screen is empty. Sound is ok
Check IC101 (BA7630F), if video signal comes to input (pin 1) but not present at output (pin 14) then replace this IC
Intermittent video or snow
Resolder points A, B, C, D in tuner PCB, check cold solder on tuner shield 2-106-349-21

Nov 23, 2007 | Sony KV-32S45 32" TV

1 Answer

Tv will not stay on.


Hello....
This problem is related to ABL control .
Trace ABL signal from Pin no 11 of flyback transformer.Mostlikely value for the resistor in abl line has gone high.First case reduse the G2 voltage and see if the unit works for long.
Second case its sure that its ABL problem.

Nov 20, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Have sound and OSD but no picture


You may have a problem with the video switching IC. Stargazer

Aug 18, 2007 | RCA F27665 27" TV

1 Answer

ABL protection active & color's spots


Replace the capacitor and the resistor as well as the diode that feeds the b+ to the vertical IC.

Sep 28, 2006 | Sony KV-32V26 32" TV

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