sony kv- 21gmr1
+2
samiel
kaholito
6 posters
AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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sony kv- 21gmr1
matagal po sya magkaroon ng display mga 1 minute.nauuna ang sound marinig.continous blinking lng sya hanggat d nagkakaroon ng video.pag nagkavideo nman sya nanginginig nman ung screen pagtumagal nman nawawala na.crt socket kya ang salarin?help nman po.bka may digram kyo pki post na rin.tnx
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: sony kv- 21gmr1
sukatin mo screen voltage mo or g2 sa c board nya,dapat nasa 500-600v cya,may variable resistor sa c board kulay itim at ay nakaseries na resistor from 1000v terminal,680k,tingnan mo baka changes value na,if buo resistor,try mo adjust yung vr na yan,if ayaw,palitan mo narin vr,sa nanginginig ang picture,kung sa itaas at ilalim lang nanginginig,palitan mo yung capacitor na 47/50v sa may pin-out transistor,pero kung pangkalahatn nanginginig,posible flyback problem mo may arching na sa loob...
samiel- AAA Battery
- Posts : 43
Join date : 2011-09-18
Re: sony kv- 21gmr1
bago palit po ang flyback hindi nga lng orig.ok nman screen voltage nya skz ung resistor nag palit na rin ako pag nagaadjust ako ng screen nag bablack screen sya bigla diba dapat unti unti
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: sony kv- 21gmr1
master kaholito try to check the CRT board bka may problema dyan,ok lng naman ang FBT khit hindi original....pati mga capacitor paligid sa FBT...sana makatulong...pati ABL check ang hirap kc sa sony masyadong malawak yung parts ang dami dapat e check...pro tyagaan lng yan...
triac- 12V BATTERY
- Posts : 792
Join date : 2011-04-28
Re: sony kv- 21gmr1
baka weak picture tube na kayo master kaholito. subukan niyo rejuvinate baka makatulong
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: sony kv- 21gmr1
hindi kaya crt soket ang problem/medyo mapula nga ng konti ang screen.prang kulang sa contrast
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: sony kv- 21gmr1
bka nga weak ang pictube.. try rejuvinate bka mg improve ng kunti
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ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: sony kv- 21gmr1
hindi po ako marunong nun master.ung nga po pag check ng picture tube kung good ay hindi ko rin po alam.
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: sony kv- 21gmr1
master kaholito may pinost sina master ultrasonic™ na rejuvinator dito. hanapin niyo lang master
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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