Changhong no power
+2
ultrasonic™
geof79
6 posters
AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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Changhong no power
Patul0ng nman. China board din i2. Ang parts ai
regulator DD5011
H-out D1555
Vertical D78040
sa tuner my 33v taz un 5v wlang supply. Bagsak ang b+ ska humihinga ang supply. San kya p0sible cra ni2. Tnx..
regulator DD5011
H-out D1555
Vertical D78040
sa tuner my 33v taz un 5v wlang supply. Bagsak ang b+ ska humihinga ang supply. San kya p0sible cra ni2. Tnx..
geof79- D Battery
- Posts : 368
Join date : 2015-05-30
Age : 45
Location : Cam. Norte
Re: Changhong no power
^ try mo tanggalin ang Trimmer sa B+ adj sis at palitan mo ng fixed resist na 1K.. sirain kasi ang trimmer ng chekwang model
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im always walking on the rain so that no one could see me crying
ultrasonic™- 24V BATTERY
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Age : 38
Location : Davao City
Re: Changhong no power
Tnx sa reply sir ultra. Ng ok na supply ni2. My leak pla un ceramic na 102 nkaparralel sa diode primary. Kya cguro humihnga kuryente. Umakyat nrin sa 110v sa h-out. Pero un 180v sa fbt nsa 110v lng rin. Try ko nlng din un sbi mu. Plitan ko pa un trimmer. Ang prob pa un 5v sa tuner bagsak. Nsa 1v nlng nsukat ko. D ko pa mhuli ang cra.
geof79- D Battery
- Posts : 368
Join date : 2015-05-30
Age : 45
Location : Cam. Norte
Re: Changhong no power
Dagdag ko pa dti nkislap lng un power led. Taz ngbliblink nun umilaw na. Ngaun steady na i2 sa standby. Inuwe ko lng kc ang board. Pg bagsak ba un 180v sa fbt cra na kya i2 o my iba lng cra pa?
geof79- D Battery
- Posts : 368
Join date : 2015-05-30
Age : 45
Location : Cam. Norte
Re: Changhong no power
^ Good kung ganun.. try mo hinang ang eeprom baka may leak na.. kaya bagsak ang 5v mo.. or hinang mo ang remote sensor para mabawasan ang load ng 5v.. meron ding iba chekwang baord na hiwalay ang 5v pass reg.. pero same kinukunan ng source sa 12-11V galing psu..
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6th member of STTM
former 2nd member
im always walking on the rain so that no one could see me crying
ultrasonic™- 24V BATTERY
- Posts : 4476
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: Changhong no power
iyang 180v o 110 ay usually normal reading iyan during or standby mode.. para coil lang kasi iyan na naka hilira sa B+ line.. kaya kung ilang ang B+ mo ay close range iyang 180 pin.. much better screen/g2 ang pang monitoring mo para exact horizontal oscillation
_________________
6th member of STTM
former 2nd member
im always walking on the rain so that no one could see me crying
ultrasonic™- 24V BATTERY
- Posts : 4476
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: Changhong no power
Ah ganun pla. Tnx sir. Tagal ko din bgo nahuli un ngpapatibok ng supply ni2. Tyagaan lng tlga at haba ng pasensya pag aaus. Hehe
geof79- D Battery
- Posts : 368
Join date : 2015-05-30
Age : 45
Location : Cam. Norte
Re: Changhong no power
Update lng. Ngpower na i2 pg kbit ko ng board. Ngka problema lng kulay. Nka pabilog sa screen ang 3 kulay. Panu kya para mbalik i2 sa dati?
geof79- D Battery
- Posts : 368
Join date : 2015-05-30
Age : 45
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Re: Changhong no power
baka sobrang lapit o malayo ang placement ng yoke
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Hertz- Admin
- Posts : 1822
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Re: Changhong no power
Wla naman ak0ng binago dun sir hertz. Pg kbit ko ng board ok nman pg power. Pero nun e off taz pg power umiba na ang kulay. Kumalat at nghwahwalay ang kulay taz mejo dumilim pg nka channel.
geof79- D Battery
- Posts : 368
Join date : 2015-05-30
Age : 45
Location : Cam. Norte
Re: Changhong no power
Ask ko nrin kung panu ba gmitin ang degauser? Pwde ba mag sarili nlang gawa nun? Posistor ba gngamit o bulb lng? 2 klase kc un nsearch ko sa google.
geof79- D Battery
- Posts : 368
Join date : 2015-05-30
Age : 45
Location : Cam. Norte
Re: Changhong no power
may post niyan si Sir Ultra. Paano mag DIY
https://aelexian.forumotion.com/t949-mga-diy-na-kapakipakinabang-sa-inyo-at-sa-iba
https://aelexian.forumotion.com/t949-mga-diy-na-kapakipakinabang-sa-inyo-at-sa-iba
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3rd member of STTM
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Hertz- Admin
- Posts : 1822
Join date : 2010-08-12
Age : 44
Location : Cagayan De Oro City
Re: Changhong no power
Tnx d2 sir hertz.
geof79- D Battery
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Join date : 2015-05-30
Age : 45
Location : Cam. Norte
Re: Changhong no power
baka may malapit na speaker master
Electro- 24V BATTERY
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Age : 35
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Re: Changhong no power
congrats sis..kapehan nanaman..
alvinquimbo- 12V BATTERY
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Age : 36
Location : Davao City
Re: Changhong no power
Oy ok na pala Sis.. congratz
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6th member of STTM
former 2nd member
im always walking on the rain so that no one could see me crying
ultrasonic™- 24V BATTERY
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Age : 38
Location : Davao City
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AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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