20PT3336/78 TV Repair: Common Faults and Solutions.
Search: 20PT3336/78
Results: 34
Results: 34
20PT3336/78 Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS | 20PT3336/78 | Not zero secondary | After checking the secondary step including the circuit that makes up the feedback of the coupling photo I found nothing replaced and tsound I died a 123J x 100V polyester capacitor between pin 1 and 4 of the photo coupler and tsound TV went to work normally | Anderson Eletrônica A&M | |
| PHILIPS | 20PT3336/78 | Breaks and doesn't turn on. power supply capacitor takes time to discharge | Chapter 2564 of 47/160 | FÁBIO | |
| PHILIPS | 20PT3336/78 | TV with very low sound, even though it is on 100. | Smd diode 6908 (near the audio output) | Remove from circuit without measuring (edfesom;) | Edfesom |
| PHILIPS | 20PT3336/78 | When energized, the device simply gave a quick pulse to the power supply's secondary and turned off, keeping the primary capacitor (2503) with a residual charge. | Transistor (7540) smd, leaky. | Replace, (7540) (abs edfesom;) | EDFESOM |
| PHILIPS | 20PT3336/78 | Shorted flyback | Flyback | Changing the flyback jf0501-19865 replacing jf0501-19272 and jf0501-19255 I could put it on and run for the hug! | Sinai Santos |
| PHILIPS | 20PT3336/78 | Turns on and off in seconds | Cold solder on the smd resistors next to the flipback | Resolder all SMD close to the flyback. | MARCONES DE ARARIPINA-PE |
| PHILIPS | 20PT3336/78 | Vertical closed at the top of the screen with white and colored lines | Diode d6460 smd replace without measuring and replace with 1n4148 | Replace | Eletrônica Mauro Mascarenha - Parazinho Ceara - Tel : (88)981422821 |
| PHILIPS | 20PT3336/78 | Turns on with the vertical closed, and turns off, and sometimes tsound is a flash on the screen and turns off | Replace r3491 47k d6001, 33v zener diode, both next to the varicap | DJ PITUKA | |
| PHILIPS | 20PT3336/78 | It turns on and off, tsound are times when it turns on, holds it for a second and turns off | Replace 6001 zener diode next to the varicap, 33v | DJ PITUKA | |
| PHILIPS | 20PT3336/78 | No color | After checking some options, I decided to change the memory. the color returned. | Replace memory 24c16 | Romildo Behrend Schwartz |
| PHILIPS | 20PT3336/78 | When turned on, the +b goes up and then drops to 0v and the TV doesn't work. the power supply input capacitor is charged. | Damaged photocoupler. just change it. | Francisco Oliveira | |
| PHILIPS | 20PT3336/78 | Vertical; when turned on, a colored rgb band appears at the top of the screen, the screen lights up with a black band at the top and turns off. | Polyester capacitor 2460=104 250v next flyback it changes and lowers 22v supply | Replace for new | beto2828 |
| PHILIPS | 20PT3336/78 | After about 5 minutes on, reduce the width on both sides. | Capacitor c2408 (apparently good) 560n defective | Carlos Maia | |
| PHILIPS | 20PT3336/78 | TV turns on normally when it turns off it doesn't want to turn on again | Stand by transistor (7541) defective | Replace the same for another. | adriano SB |
| PHILIPS | 20PT3336/78 | TV with image closed at the top | Capacitor 2465 seco | Replace the same one for a new one | adriano SB |
| PHILIPS | 20PT3336/78 | Tv inoperative | R 3355 proximo ao flay | ||
| TV PHILIPS | 20PT3336/78 | Tunes wrong. | I changed the 24c16wp eprom and the TV returned to normal tuning the channels with good quality | BF.COLATINO | |
| PHILIPS | 20PT3336/78 | To the TV and it keeps oscillating small beats on the flay back | Transistor horizontal bul312fp | Be replaced by but11ax | marcondes, OHM eletronica Jaicos-PI |
| PHILIPS | 20PT3336/78 | Does not work, the bul312 has a short circuit | I changed the bulb 312 and it was fine.. | henrique | |
| PHILIPS | 20PT3336/78 L03.6L | Vertical closed on off | R.3448 | Completed | E. MATOS |