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PHILIPS 29PT3223-94S OK

TV - EPROM
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EPROM
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    PHILIPS OK 29 PT 322394 29PT3223 94S
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Relevant TV forum topics:
Philips 37PFL3312/10 LCD tv tápegység elsőre nem indul, csak kb 10-15. bekapcsolásra
Sziasztok, Adott egy Philips 37PFL3312/10 LCD TV. A probléma a következő: bekapcsoláskor világít a piros led. (Standby). 1. Indítás átvált a piros led kékre 2-3 mp utána visszavált pirosra. Az összes elkót cseréltem. Problémát nem oldotta meg. Tápegység típusa: DPS-168BP kb 10.-15. bekapcsolásra elindul azután napokon keresztül működik. Segítséget előre is köszönöm! üdv: Csady
40PFL4707 Philips logo and shutsdown
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
Philips 42PF7320/10 táp nem indul
Sziasztok! A következő problémával fordulok hozzátok: A címben szereplő TV-nek meghalt az 5V a tápban (13-as hibakód az ellenőrző panel alapján) A tápon a 3.3V os részen volt egy púposkondi, amit a szomszédjaival együtt lecseréltem (volt még két db 2200u/10V). Ugyanakkor újraforrasztottam az összes lábat, a biztik okésak, lecseréltem az egyik LM2576-ot is, de hiába. A gond az, hogy csak nem múkodik, ugyanaz a hiba, a többi feszültség megjelenik, de 2mp múlva lekapcsol a védelem. Sajnos a 42PF7320 SM mind a 3 v 4 verziójából hiányzik a tápegység rajza, amit kaptam, az a LJ44-00101C rajza, ami az én tápom is, de semmi szám, alkatrész nem talál, ráadásul hiányos. Ha van valakinek egy komplett kapcs. rajza a tápról, nagyon boldoggá tenne! U.I - van egy kollégának egy LJ44-00092C tápja, mennyire kompatibilis ezzel?
Philips 28PW8608/12
Sziasztok! Tud valaki nekem abban segíteni, hogy ehhez a TV-hez honnan tudok letölteni service manualt? Itt nem találtam... Köszi! Attila
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