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Author Topic: sanyo ST-21SE1V vertical problem  (Read 1392 times)

Offline rednax2

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sanyo ST-21SE1V vertical problem
« on: September 11, 2011, 08:52:30 PM »
masters ito pong vertical problem ng sanyo na nerepair ko masakit na ang ulo ko nito , kc wala akng nakitang sirang pyesa na maaring cause ng horizontal line sinoyod ko lahat nasa vertical section ala pa ring nangyari,...24volts supply meron nman, vert. oscillation meron din....mga master ilang volts ba vert. osc. tulong mga msater plsssss.................salamat
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sanyo ST-21SE1V vertical problem
« on: September 11, 2011, 08:52:30 PM »

Offline brucetech

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Re: sanyo ST-21SE1V vertical problem
« Reply #1 on: September 11, 2011, 09:01:37 PM »
ts, paki dagdag ng info.. ano ho ba ang ibig sabihin mo ng vertical problem? ano ho ba ang makikita mo sa screen?
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Re: sanyo ST-21SE1V vertical problem
« Reply #1 on: September 11, 2011, 09:01:37 PM »

Offline BUMBLEBEE

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Re: sanyo ST-21SE1V vertical problem
« Reply #2 on: September 11, 2011, 09:07:04 PM »
LA7837 ang ic nito ryt??
vertical oscillation 6-12vac kadalasan,,

hmnn nagpalit ka naba mga capacitor?? and vertical IC? :)
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Re: sanyo ST-21SE1V vertical problem
« Reply #2 on: September 11, 2011, 09:07:04 PM »

Offline brucetech

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Re: sanyo ST-21SE1V vertical problem
« Reply #3 on: September 11, 2011, 09:56:53 PM »
palitan mo na lng ang vert ic at mga ecap sa vertical..
 paki silip na din ng yoke nyan
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Re: sanyo ST-21SE1V vertical problem
« Reply #3 on: September 11, 2011, 09:56:53 PM »

Offline BUMBLEBEE

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Re: sanyo ST-21SE1V vertical problem
« Reply #4 on: September 11, 2011, 10:12:11 PM »
wat i mean vertical output pala sorry.....update ka..para maka-move-on sa hula...

Quote from: BUMBLEBEE on September 11, 2011, 09:07:04 PM
LA7837 ang ic nito ryt??
vertical oscillation 6-12vac kadalasan,,

hmnn nagpalit ka naba mga capacitor?? and vertical IC? :)
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Re: sanyo ST-21SE1V vertical problem
« Reply #4 on: September 11, 2011, 10:12:11 PM »

Offline MX45

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Re: sanyo ST-21SE1V vertical problem
« Reply #5 on: September 11, 2011, 10:21:39 PM »
TS.. Makapal ba ang Line nya? sobrang nipis nya na white.
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Offline rednax2

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Re: sanyo ST-21SE1V vertical problem
« Reply #6 on: September 12, 2011, 06:34:24 AM »
mga master LA78040 hu ang vert. ic nito pinalitan ko na po ala pa ring pagbbago, ang mga capacitor pinalitan ko na rin pero ganun pa rin....makapal ang line nya.....may napansin ako na kapag mgtouch ako sa mga pin ng vert. ic kkapal ang line aabot ng mga 4''
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Offline BUMBLEBEE

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Re: sanyo ST-21SE1V vertical problem
« Reply #7 on: September 12, 2011, 08:29:43 AM »
trace mo yung pin 1 ,and pin 7....parang walang input yan galing jungle...check mo lahat dinaanan nyan baka may-open resistor ,,
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Offline emj_e2

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Re: sanyo ST-21SE1V vertical problem
« Reply #8 on: September 12, 2011, 08:30:08 AM »
sa pins- 2,4,5 & 6 ng vertical ic ilang volts nasukat mo?
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Offline Triple_D

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Re: sanyo ST-21SE1V vertical problem
« Reply #9 on: September 12, 2011, 03:46:11 PM »
Quote from: BUMBLEBEE on September 12, 2011, 08:29:43 AM
trace mo yung pin 1 ,and pin 7....parang walang input yan galing jungle...check mo lahat dinaanan nyan baka may-open resistor ,,

agree ako dito tama ang mga master sundin mo sila,
ts ok ba ang hor mo?wala ka bang napansing abnormality sa display bukod sa ver problem?
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Offline beNj2angeL

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Re: sanyo ST-21SE1V vertical problem
« Reply #10 on: September 12, 2011, 04:15:29 PM »
TS..pakiresolder mo din yung galing jungle IC...baka nanjan lang yan.umiinit po ba yung vertical? pacheck narin yung yoke.. thanks^
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Offline brucetech

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Re: sanyo ST-21SE1V vertical problem
« Reply #11 on: September 12, 2011, 05:27:30 PM »
ts, paki measure kng ilan ang resistance ng yoke mo..
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Offline pete

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Re: sanyo ST-21SE1V vertical problem
« Reply #12 on: September 12, 2011, 08:09:40 PM »
paki post po kong ilan ang voltage sa RGB ok paba ang ecap 250v near FBT?
baka walang supply ang 180v sa C-board
may picture po ba ito?
good ba ang sound?
sa AV ok ba sya?
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Offline acer

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Re: sanyo ST-21SE1V vertical problem
« Reply #13 on: September 12, 2011, 08:19:55 PM »
Quote from: brucetech on September 12, 2011, 05:27:30 PM
ts, paki measure kng ilan ang resistance ng yoke mo..
agree mukhang yoke na nga ito
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Offline BhongTech

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Re: sanyo ST-21SE1V vertical problem
« Reply #14 on: September 12, 2011, 08:52:31 PM »
Sa tingin ko hindi yoke ang problema.ksi hinipo nya ang pin ng vertical IC at umunat ang picture.double check ang resistor at mga caps na mababa ang farad.
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Offline piniose

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Re: sanyo ST-21SE1V vertical problem
« Reply #15 on: September 13, 2011, 12:11:48 AM »
Quote from: BUMBLEBEE on September 12, 2011, 08:29:43 AM
trace mo yung pin 1 ,and pin 7....parang walang input yan galing jungle...check mo lahat dinaanan nyan baka may-open resistor ,,
agree ko dito kay sis bumblebee maari nga walang input sa vertical mo na galing jungle...
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Offline J@M

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Re: sanyo ST-21SE1V vertical problem
« Reply #16 on: September 13, 2011, 03:35:26 AM »
Ts ilan nasukat mo sa vertical output? sa pin ka ng vertical yoke magsukat.
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Offline enriz622

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Re: sanyo ST-21SE1V vertical problem
« Reply #17 on: September 13, 2011, 06:13:11 AM »
Post  mo mga reading sa mga pin ng vert.ic sis
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Offline acer

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Re: sanyo ST-21SE1V vertical problem
« Reply #18 on: September 13, 2011, 08:53:18 AM »
update na lang TS
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Offline mirjaye

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Re: sanyo ST-21SE1V vertical problem
« Reply #19 on: September 13, 2011, 09:01:29 AM »
ang problema ay may leaking na capacitor or change value capacitor sa vertical
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Re: sanyo ST-21SE1V vertical problem
« Reply #19 on: September 13, 2011, 09:01:29 AM »
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