Service manuals, schematics, eproms for electrical technicians
PHILIPS 20PT138-58R
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704.0byte
704.0byte
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TV
EPROM
TV
EPROM
If you get stuck in repairing a defective appliance download this repair information for help. See below.
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Looking for similar philips manual?
Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar philips manual?
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PHILIPS 20PT13858R 20 PT 13858 20PT138 58R
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Relevant TV forum topics:
Kedves kollegak!
A cimben emlitett plasma TV-n elakadtam a Va, Vs beallitasanal. Semmilyen allitasi lehetoseg nincs (legalabbis en nem talaltam), es a feszultsegek magasabbak a kijelzon feltuntetett ertekeknel. Letezik, hogy a Philips megoldasa erre az smd ellenallasok csereje a tap panelon a helyes ertekek beallitasahoz? (remelem nem, mert a NYAK hihetetlenul silany minosegu). Minden hozzaszolast, segitseget elore is koszonok!
Gabor
A cimben emlitett plasma TV-n elakadtam a Va, Vs beallitasanal. Semmilyen allitasi lehetoseg nincs (legalabbis en nem talaltam), es a feszultsegek magasabbak a kijelzon feltuntetett ertekeknel. Letezik, hogy a Philips megoldasa erre az smd ellenallasok csereje a tap panelon a helyes ertekek beallitasahoz? (remelem nem, mert a NYAK hihetetlenul silany minosegu). Minden hozzaszolast, segitseget elore is koszonok!
Gabor
Üdv mindenkinek . Elvileg EM2EAA volna ez a készülék de valahogy a az elején megálltam , ugyanis az eltérítő tekercs kivezetésen van egy panel TDA 2516 hang ic-ével meg 3 db MC 33174-el. Jobban még nem mélyítem bele , de és gondolom ez is hozzá tartozik az eltérítéshez , de ilyen rajzot nem találok .
Ez volna a vert. rész?
Dear Expert
The details of my TV is as follows
1. Philips 40PFL4707/F7 Manufactured March 2012
2. SMPS Board BA21P6F01 01 1
3. SMPS board has a sticker that says A21P6MPW C 7219720
4. This is a 110v Mains Supply TV sold in USA
5. I imported this from USA into my country where we have 230V.
6. I have a simple winding transformer that converts 230v to 110v
The TV has been having this problem. Here are the steps
1. Mains power on
2. Front panel white led blinks 6 times
3. Philips logo display
4. TV shuts down immediately
5. Nothing happens. If i press power button on TV or remote nothing happens
6. Have to power off and then wait for few minutes to experience same repetition.
Last two days, tried several times, only once the TV started and after 10 minutes it did auto shutdown as there was no input signal connected.
Does this indicate issues with SMPS or main cpu board ? Even if its faulty, how did it start once ?
More testing done as follows
1. Removed all connectors. Cleaned all three pcb with liquid cleaner. Cleaned all connectors externally and internally ( holes) using painting brush. Allowed everything to dry.
2. Reconnected
3. Started. This time, went past the Philips logo. I could connect a macbook via HDMI and play youtube videos on the TV for ~1 hours.
4. Using remote, entered service mode and initialized ( factory reset) the TV
5. For 1 hours of proper run, measured voltages. LED+24v was showing properly at 24v, AL+3.3v was at proper 3.3v and the P-ON-H1 was properly at 3.3v
6. After about 1 hrs, the screen shut down. The LED+24v is showing at 6v, AL+3.3v at 3.3v and P-ON-H1 is a 0v. This indicates the main cpu board has turned off the P-ON-H1 signal.
7. Power off, wait for 2 min. Power on... same philips logo and TV shuts down. Problem repeats.
8. Firmware is Code TVNB010_00_PF_XX91_BA PIC code U10_CM08:_40A_C7W_R_02. Did a google search and found no references if this firmware needs any upgrade.
requesting experts next steps to root cause the issue. I suspect the main board is bad and the SMPS is good. What if I manually put a wire from AL+3.3v to P-ON-H1 ? will the TV be on or is it risky for the main cpu board ?
I am attaching the service manual for this TV
The details of my TV is as follows
1. Philips 40PFL4707/F7 Manufactured March 2012
2. SMPS Board BA21P6F01 01 1
3. SMPS board has a sticker that says A21P6MPW C 7219720
4. This is a 110v Mains Supply TV sold in USA
5. I imported this from USA into my country where we have 230V.
6. I have a simple winding transformer that converts 230v to 110v
The TV has been having this problem. Here are the steps
1. Mains power on
2. Front panel white led blinks 6 times
3. Philips logo display
4. TV shuts down immediately
5. Nothing happens. If i press power button on TV or remote nothing happens
6. Have to power off and then wait for few minutes to experience same repetition.
Last two days, tried several times, only once the TV started and after 10 minutes it did auto shutdown as there was no input signal connected.
Does this indicate issues with SMPS or main cpu board ? Even if its faulty, how did it start once ?
More testing done as follows
1. Removed all connectors. Cleaned all three pcb with liquid cleaner. Cleaned all connectors externally and internally ( holes) using painting brush. Allowed everything to dry.
2. Reconnected
3. Started. This time, went past the Philips logo. I could connect a macbook via HDMI and play youtube videos on the TV for ~1 hours.
4. Using remote, entered service mode and initialized ( factory reset) the TV
5. For 1 hours of proper run, measured voltages. LED+24v was showing properly at 24v, AL+3.3v was at proper 3.3v and the P-ON-H1 was properly at 3.3v
6. After about 1 hrs, the screen shut down. The LED+24v is showing at 6v, AL+3.3v at 3.3v and P-ON-H1 is a 0v. This indicates the main cpu board has turned off the P-ON-H1 signal.
7. Power off, wait for 2 min. Power on... same philips logo and TV shuts down. Problem repeats.
8. Firmware is Code TVNB010_00_PF_XX91_BA PIC code U10_CM08:_40A_C7W_R_02. Did a google search and found no references if this firmware needs any upgrade.
requesting experts next steps to root cause the issue. I suspect the main board is bad and the SMPS is good. What if I manually put a wire from AL+3.3v to P-ON-H1 ? will the TV be on or is it risky for the main cpu board ?
I am attaching the service manual for this TV
Szépjonapot mindenkinek van nállam egy nagyképernyös PHILIPS 27CE4599/30R tv. Már kiborit Segitség kellene, A tápja megy de semire nem reagál, kapcsolási rajzot tudna e valaki küldeni.Nagy segitség volna kösszike
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