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Author Topic: Help on Panasonic Color TV TC-2121  (Read 290 times)

Offline nwired

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Help on Panasonic Color TV TC-2121
« on: April 21, 2012, 01:22:32 PM »
PROBLEM #1

Help on Vertical

Pa help naman mga idol... No contact po ang PIN 9 ko sa vertical... Asan po pwede lagyan ng jumper ang PIN 9..





Noob po ako... Paki Gamit nalang ng Picture na eto and Point a Red arrow kung san po dito pwede i jumper...



PROBLEM #2
Pag on ng TV ko Super Blurry. Pero in 4 to 5 minutes pag umunit na ang TV... dahan dahan na ma clear and ma ok yung picture....


PROBLEM #3
Some of my channels BASAG... parang scatter lahat... ang ok lang na channels is TV5 / ABS-CBN /  GMA ... ang ibang channels wala.. nangyari to since pinaayos ko ang tv ko. Vertical lang prblema pero merong inalis na Resistor na parang jumper sa likod. pag click ko channel 21. scamble ang picture. then in any moment... mag iingay ang likod ng TV... BUZZING sound..


PA HELP MGA IDOL
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Help on Panasonic Color TV TC-2121
« on: April 21, 2012, 01:22:32 PM »

Offline Asarnako

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Re: Help on Panasonic Color TV TC-2121
« Reply #1 on: April 21, 2012, 01:29:16 PM »
Labo ng pics... ende mo ba makita yung atanggal ng PCB copper plate nya kung saan naka connect?... u could just use any magnetic wire to solder from pin to the nearest connection...

Sa sususnod use ka vacuum desoldering... nasira tuloy...Tsk! Tsk!
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Re: Help on Panasonic Color TV TC-2121
« Reply #1 on: April 21, 2012, 01:29:16 PM »

Offline nwired

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Re: Help on Panasonic Color TV TC-2121
« Reply #2 on: April 21, 2012, 01:33:24 PM »
ganito na pag fix ko bossing.... luma na rin kase ang board.
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Re: Help on Panasonic Color TV TC-2121
« Reply #2 on: April 21, 2012, 01:33:24 PM »

Offline Min

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Re: Help on Panasonic Color TV TC-2121
« Reply #3 on: April 21, 2012, 01:37:48 PM »
Paki tsk mo muna mabuti ung pin 9 kung meron nga nabakbak na copper. Baka namn kasi no connection talaga. Meron kasi ganun minsan.
Ung blurred picture sa umpisa usually CRT socket ang sira.
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Re: Help on Panasonic Color TV TC-2121
« Reply #3 on: April 21, 2012, 01:37:48 PM »

Offline Asarnako

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Re: Help on Panasonic Color TV TC-2121
« Reply #4 on: April 21, 2012, 01:39:36 PM »
entey mo se ses "mcleod".. begyen ke ng bruhang yun ng schemetecs diaphragm at lalaeten ka sa gegewen mo se TeVe mo! ::)


Hihihihi! ;D ;)
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Re: Help on Panasonic Color TV TC-2121
« Reply #4 on: April 21, 2012, 01:39:36 PM »

Offline mcleod

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Re: Help on Panasonic Color TV TC-2121
« Reply #5 on: April 21, 2012, 01:42:01 PM »
Quote from: nwired on April 21, 2012, 01:22:32 PM
PROBLEM #1

Help on Vertical

Pa help naman mga idol... No contact po ang PIN 9 ko sa vertical... Asan po pwede lagyan ng jumper ang PIN 9..





Noob po ako... Paki Gamit nalang ng Picture na eto and Point a Red arrow kung san po dito pwede i jumper...



PROBLEM #2
Pag on ng TV ko Super Blurry. Pero in 4 to 5 minutes pag umunit na ang TV... dahan dahan na ma clear and ma ok yung picture....


PROBLEM #3
Some of my channels BASAG... parang scatter lahat... ang ok lang na channels is TV5 / ABS-CBN /  GMA ... ang ibang channels wala.. nangyari to since pinaayos ko ang tv ko. Vertical lang prblema pero merong inalis na Resistor na parang jumper sa likod. pag click ko channel 21. scamble ang picture. then in any moment... mag iingay ang likod ng TV... BUZZING sound..


PA HELP MGA IDOL

ito pala yung isang post mo na nakapost naki-post din sa iba. anyway. yung problem no. 1 mo kelangan ng schematics di kasi ako photographic memory. Ano vertical IC nito???

problem no. 2 need mo to change mo cpt / crt socket mo baka pede pa iyan linis. pede mo na rin siguro palitan mo yung xx uf / 250V na capacitor and primary ecap xxx uf / (400 - 450V).

problem no. 3 malamang kelangan resolder sa tuner section and check mo mga components mo malapit dito. yung buzzing sound check mo diodes and ecaps sa power supply and near FBT. pede mo na din isama yung resistors and coil / inductor.
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Offline niagi23

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Re: Help on Panasonic Color TV TC-2121
« Reply #6 on: April 21, 2012, 01:57:08 PM »
ganito discharge mo muna HV then caps . . tanggalin mo ung board ng maayos. . icheck mo ung board di kasama ung picture tube itabi mo muna hehehe! board ka muna contrate! kelangan ng mapa para di ka nanghuhula di ka naman si madam auring eh ! tapos pag nakakuha ka na at sigurado ka na dun mu gawin ang board. 
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Offline mcleod

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Re: Help on Panasonic Color TV TC-2121
« Reply #7 on: April 21, 2012, 02:12:59 PM »






ito mga point resolder mo buksan mo tuner mismo kung good lahat ng components mo sa tuner section.
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Offline MX45

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Re: Help on Panasonic Color TV TC-2121
« Reply #8 on: April 21, 2012, 02:30:00 PM »
kung gumagana ang set mo at blurd lang sa una, malamng no connection ang Pin9 ng Vertical IC mo. anong Vertical IC mo LA7835 ba?
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Offline MX45

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Re: Help on Panasonic Color TV TC-2121
« Reply #9 on: April 21, 2012, 02:34:44 PM »
Quote from: MX45 on April 21, 2012, 02:30:00 PM
kung gumagana ang set mo at blurd lang sa una, malamng no connection ang Pin9 ng Vertical IC mo. anong Vertical IC mo LA7835 ba?


lilinawin ko lang to , kung good ang Pic mo at blurd lang ang problema. hwag mo nang problemahin yung Pin9 ng Vertical mo , im sure na wala talagang connection ito kasi ok ang Display mo.
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Offline nwired

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Re: Help on Panasonic Color TV TC-2121
« Reply #10 on: April 21, 2012, 02:57:50 PM »
Ok na yung PROBLEM #3 ... HAHAHHA...  At PROBLEM #1...

Pinalitan ko lang ang ECAP neto...
220uf / 35v 2 pair..... 

Ang old Ecap kase naka kabit dito is 220uf 25v / 220uf 50v ... hahaha

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Offline nwired

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Re: Help on Panasonic Color TV TC-2121
« Reply #11 on: April 21, 2012, 02:59:28 PM »
Quote from: MX45 on April 21, 2012, 02:34:44 PM

lilinawin ko lang to , kung good ang Pic mo at blurd lang ang problema. hwag mo nang problemahin yung Pin9 ng Vertical mo , im sure na wala talagang connection ito kasi ok ang Display mo.

UU.. parang wala talaga connection ang pin na....
ang problema ko nalang is pag on ng TV... BLURRY talaga. then 4 to 5 minutes ok na picture. ...

Eto nalang talaga problema
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Offline mcleod

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Re: Help on Panasonic Color TV TC-2121
« Reply #12 on: April 21, 2012, 03:01:49 PM »
Quote from: nwired on April 21, 2012, 02:57:50 PM
Ok na yung PROBLEM #3 ... HAHAHHA...  At PROBLEM #1...

Pinalitan ko lang ang ECAP neto...
220uf / 35v 2 pair.....  

Ang old Ecap kase naka kabit dito is 220uf 25v / 220uf 50v ... hahaha




susmaryosep magbrush ka naman! ng board mo ang dumi eh!  ;D ;D ;D paintbrush or vacuum cleaner.


yung isa na 220 uf / 50V sana ganun pa din unless alam mo na hindi lalampas ng 30 V ang i-chacharge nya. ts ano vertical ic nito or ano yung walang connection sa pin 9 nagstart ba sa ANxxxxxx?

change mo nga yung cpt / crt socket mo na kapareho. ito  yung kumakabit sa picture tube mo
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Offline Min

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Re: Help on Panasonic Color TV TC-2121
« Reply #13 on: April 21, 2012, 03:04:47 PM »
TS, anu nangyari sa pin 9? update...
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Offline nwired

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Re: Help on Panasonic Color TV TC-2121
« Reply #14 on: April 21, 2012, 03:18:21 PM »
Quote from: HG on April 21, 2012, 03:04:47 PM
TS, anu nangyari sa pin 9? update...

Parang walang connection ang pin9 bossing. scrape ko ang outer ng pin 9 sa board. wala po contact.... so ok na po... Thanks.. ang problema nalang is yung blurry ...
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Re: Help on Panasonic Color TV TC-2121
« Reply #14 on: April 21, 2012, 03:18:21 PM »
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