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Author Topic: Need help for TCL 2027U No Sound  (Read 803 times)

Offline Bernpal

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Need help for TCL 2027U No Sound
« on: January 31, 2012, 11:45:06 AM »
Hello everybody, problem ko lang ay audio from tv, normal sa audio-video,direct replacement ng system-jungle ic at working EEPROM came from other model 2027U model (normally working), pinasok ko na rin ang service mode at nasa default setting siya, need schem para matunton ang salarin, hilo na po ako ???..Thank you po..
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Need help for TCL 2027U No Sound
« on: January 31, 2012, 11:45:06 AM »

Offline Tripler02

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Re: Need help for TCL 2027U No Sound
« Reply #1 on: January 31, 2012, 12:26:06 PM »
check audio switch ic.direct sub.
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Re: Need help for TCL 2027U No Sound
« Reply #1 on: January 31, 2012, 12:26:06 PM »

Offline Bernpal

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Re: Need help for TCL 2027U No Sound
« Reply #2 on: January 31, 2012, 12:50:30 PM »
Quote from: Tripler02 on January 31, 2012, 12:26:06 PM
check audio switch ic.direct sub.

sis thanks pero may working chassis akong same model dito kaya nareplaced ko na lahat all major parts niya, need ko schem para matumbok ko ang salarin, thanks...
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Re: Need help for TCL 2027U No Sound
« Reply #2 on: January 31, 2012, 12:50:30 PM »

Offline ultrasonic™

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Re: Need help for TCL 2027U No Sound
« Reply #3 on: January 31, 2012, 01:34:45 PM »
try mung i check ang audio switcher...

4066 ata
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Re: Need help for TCL 2027U No Sound
« Reply #3 on: January 31, 2012, 01:34:45 PM »

Offline jaguar3275

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Re: Need help for TCL 2027U No Sound
« Reply #4 on: January 31, 2012, 01:38:07 PM »
sis kailangan na cguro lagyan bypass cap para mgka audio na yan...
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Re: Need help for TCL 2027U No Sound
« Reply #4 on: January 31, 2012, 01:38:07 PM »

Offline Bernpal

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Re: Need help for TCL 2027U No Sound
« Reply #5 on: January 31, 2012, 02:08:34 PM »
Quote from: ultrasonic™ on January 31, 2012, 01:34:45 PM
try mung i check ang audio switcher...

4066 ata

sis ultra, natry ko na palitan yung HCF4066 came from working same model, wala rin...
@ jrsexpress... what do you mean lagyan bypass cap? working naman sya normally sa Audio-Video, may schem diagram ba kayo nito? thanks ng marami...
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Offline jaguar3275

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Re: Need help for TCL 2027U No Sound
« Reply #6 on: January 31, 2012, 02:21:42 PM »
dyan sa mga pin ng 4066 ay mag trial kang mag lagay ng cap na 1uf/50v,... medyo nalimutan ko na kung anu

pin no. ... anyway hanapin ko mga kodigo ko sir...
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Offline MX45

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Re: Need help for TCL 2027U No Sound
« Reply #7 on: January 31, 2012, 02:45:29 PM »
pa sub..
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Offline Bernpal

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Re: Need help for TCL 2027U No Sound
« Reply #8 on: January 31, 2012, 03:07:31 PM »
Update ko lang po ang history ng unit na ito... dead set siya for open ac fuse and shorted ang power reg 2996, due to cold solders, kaya hinang dito hinang doon at pinalitan ang mga defetive parts,usually, check muna ang mga B+ and other low voltage supply bago ifinalize to switch on ang unit, on/off na naman siya kay palit ng mga tact switches,dipa nakakabit ang mga speaker, observe muna ang ginawa ko then kabit speaker kaya hayun, hanggang ngayon diko pa nasolve na wala siyang audio sa tv at normal naman sa audio/video, so now i really need help. thank you in advance...
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Offline ultrasonic™

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Re: Need help for TCL 2027U No Sound
« Reply #9 on: January 31, 2012, 04:27:25 PM »
sundan mu ang switch path ng audio... di yan nakapagpalit.. 

eto ang request mung mapa....
http://www.4shared.com/file/W6gN3qcf/TCL-1427_TCL-2027u.html
passcode:  xxxxx  or PM ko nlng,,  if  di mu makuha....


hnstly  sis.. pwdeng  sakop pa rin yan jan ang EEPROM... yan ay paalaala  lamang  :D
pewo kng aku titira  jan... kanina  pa yan  naka modi  ;D
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Offline Bernpal

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Re: Need help for TCL 2027U No Sound
« Reply #10 on: January 31, 2012, 05:20:07 PM »

hnstly  sis.. pwdeng  sakop pa rin yan jan ang EEPROM... yan ay paalaala  lamang  :D
pewo kng aku titira  jan... kanina  pa yan  naka modi  ;D

[/quote]

hehehe... di nga? I love you for that sis... password? +1 para sayo
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Offline Bernpal

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Re: Need help for TCL 2027U No Sound
« Reply #11 on: February 06, 2012, 10:57:20 PM »
Quote from: ultrasonic™ on January 31, 2012, 04:27:25 PM
sundan mu ang switch path ng audio... di yan nakapagpalit.. 

eto ang request mung mapa....
http://www.4shared.com/file/W6gN3qcf/TCL-1427_TCL-2027u.html
passcode:  xxxxx  or PM ko nlng,,  if  di mu makuha....


hnstly  sis.. pwdeng  sakop pa rin yan jan ang EEPROM... yan ay paalaala  lamang  :D
pewo kng aku titira  jan... kanina  pa yan  naka modi  ;D


ok na ang unit na ito, thanks sa lahat ng nagbigay ng suhestiyon at thanks @sis ultra... may nakuha akong lesson sa unit na ito... thanks to all...
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Offline NORTH LUZON

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Re: Need help for TCL 2027U No Sound
« Reply #12 on: February 06, 2012, 11:01:55 PM »
congrats na
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Offline lhan

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Re: Need help for TCL 2027U No Sound
« Reply #13 on: February 06, 2012, 11:51:14 PM »
congrats ts,, pero baka pwd u rin share ung lesson nakuha mo sa unit,, para sa mga baguhan ng trobol ng work mo,,,
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Offline RhUNhA

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Re: Need help for TCL 2027U No Sound
« Reply #14 on: February 07, 2012, 08:44:54 AM »
Quote from: lhan on February 06, 2012, 11:51:14 PM
congrats ts,, pero baka pwd u rin share ung lesson nakuha mo sa unit,, para sa mga baguhan ng trobol ng work mo,,,

korek,,para sa mga newbie tulad ko..hehehe ;D
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Offline NORTH LUZON

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Re: Need help for TCL 2027U No Sound
« Reply #15 on: February 07, 2012, 08:02:39 PM »
baka may short ang solder nito
or kaunting pihit sa IFT
or ndi naka fine tune mabuti
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Offline ultrasonic™

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Re: Need help for TCL 2027U No Sound
« Reply #16 on: February 08, 2012, 09:21:07 AM »

open ang voice coil ng ear phone ;D
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Offline enriz622

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Re: Need help for TCL 2027U No Sound
« Reply #17 on: February 08, 2012, 10:28:26 AM »
sub
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Offline Bernpal

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Re: Need help for TCL 2027U No Sound
« Reply #18 on: February 08, 2012, 10:21:53 PM »
Quote from: ultrasonic™ on February 08, 2012, 09:21:07 AM
open ang voice coil ng ear phone ;D

nagpapatawa si admin ay, sis ultra pala,hhehe...alam mo na yan at ikaw ang nagbigay ng tip sa akin kaya may puntos ka sa akin...
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Offline NORTH LUZON

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Re: Need help for TCL 2027U No Sound
« Reply #19 on: February 08, 2012, 10:39:35 PM »
Quote from: Bernpal on February 08, 2012, 10:21:53 PM
nagpapatawa si admin ay, sis ultra pala,hhehe...alam mo na yan at ikaw ang nagbigay ng tip sa akin kaya may puntos ka sa akin...
makishare nga sa tekniks na yan sis
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Philippine Electronics Forum

Re: Need help for TCL 2027U No Sound
« Reply #19 on: February 08, 2012, 10:39:35 PM »
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