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Author Topic: sharp 21V-k300XB no o.s.d display  (Read 1488 times)

Offline BUMBLEBEE

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sharp 21V-k300XB no o.s.d display
« on: April 28, 2011, 04:49:08 PM »
gud afternoon mga master--need help poh about sa sharp na inayos ko

nagawa na poh to dati..bali dalawang tech. na poh yong gumalaw nito..sabi ng may-ari..home-service daw.....pro hindi daw naayos
bali kaklasi ko poh yung may-ari..pagtingin ko wasak na masyado yung banda system nya..
bali yung unang sira talaga nito.ay walang power,pag-power ko mag-relay sya at mag-ilaw green ung light
din biglang mamatay at magkulay pula yung led.

yung ginawa ko ito====

vertical=nag'palit ako
mga ecaps sa system banda at vertical
pero pag-on ko yun parin

so nag-voltage reading ako,inona ko don sa system banda,
at sa pag-test ko sa vcc ng eeprom may 5 volts naman kaso don sa scl,at sda walang 5v,nakita ko sa diagram may 5v dapat,kaya hinanap ko,
may nakita ako na potol na linya.kaya pala potol dahil may krak pala yung board yun ang hindi nakita ng
mga tech. kaya dinogtung ko yun kaya yun gumana,

kaya ito ngayon ang problem ko ,may sounds naman may good video and reception,,wala lang display kong maglipat ako ng channel or mag-volume,,pati service mode ko wala din..

saan ako maghanap nito para magkadisplay??hindi ko kc kabisado yung system nito

sana matulungan ninyo ako mga master,,,tnx poh,
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sharp 21V-k300XB no o.s.d display
« on: April 28, 2011, 04:49:08 PM »

Offline x13r_kit_0

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Re: sharp 21V-k300XB no o.s.d display
« Reply #1 on: April 28, 2011, 04:56:54 PM »
sis may heater naman ba...natry mo ba pihit screen s fbt
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Re: sharp 21V-k300XB no o.s.d display
« Reply #1 on: April 28, 2011, 04:56:54 PM »

Offline x13r_kit_0

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Re: sharp 21V-k300XB no o.s.d display
« Reply #2 on: April 28, 2011, 05:00:42 PM »
mali ata post ko .,,anu pala to di ko maintindihan..

Quote from: **nidoking** on April 28, 2011, 04:49:08 PM


kaya ito ngayon ang problem ko ,may sounds naman may good video and reception,,wala lang display kong maglipat ako ng channel or mag-volume,,pati service mode ko wala din..


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Re: sharp 21V-k300XB no o.s.d display
« Reply #2 on: April 28, 2011, 05:00:42 PM »

Offline danyenz

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Re: sharp 21V-k300XB no o.s.d display
« Reply #3 on: April 28, 2011, 05:02:14 PM »
Quote from: **nidoking** on April 28, 2011, 04:49:08 PM
gud afternoon mga master--need help poh about sa sharp na inayos ko

nagawa na poh to dati..bali dalawang tech. na poh yong gumalaw nito..sabi ng may-ari..home-service daw.....pro hindi daw naayos
bali kaklasi ko poh yung may-ari..pagtingin ko wasak na masyado yung banda system nya..
bali yung unang sira talaga nito.ay walang power,pag-power ko mag-relay sya at mag-ilaw green ung light
din biglang mamatay at magkulay pula yung led.

yung ginawa ko ito====

vertical=nag'palit ako
mga ecaps sa system banda at vertical
pero pag-on ko yun parin

so nag-voltage reading ako,inona ko don sa system banda,
at sa pag-test ko sa vcc ng eeprom may 5 volts naman kaso don sa scl,at sda walang 5v,nakita ko sa diagram may 5v dapat,kaya hinanap ko,
may nakita ako na potol na linya.kaya pala potol dahil may krak pala yung board yun ang hindi nakita ng
mga tech. kaya dinogtung ko yun kaya yun gumana,

kaya ito ngayon ang problem ko ,may sounds naman may good video and reception,,wala lang display kong maglipat ako ng channel or mag-volume,,pati service mode ko wala din..

saan ako maghanap nito para magkadisplay??hindi ko kc kabisado yung system nito

sana matulungan ninyo ako mga master,,,tnx poh,

 ok suyurin mo masyado sa may system at eeprom,baka may crack board ka pa dyan kasi dyan din gagaling osd..line to line ka muna tingin ko wala sira components basi sa nakita mo crack
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Re: sharp 21V-k300XB no o.s.d display
« Reply #3 on: April 28, 2011, 05:02:14 PM »

Offline danyenz

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Re: sharp 21V-k300XB no o.s.d display
« Reply #4 on: April 28, 2011, 05:03:10 PM »
Quote from: x13r_kit_0 on April 28, 2011, 05:00:42 PM
mali ata post ko .,,anu pala to di ko maintindihan..

wala daw bok display..
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Re: sharp 21V-k300XB no o.s.d display
« Reply #4 on: April 28, 2011, 05:03:10 PM »

Offline BUMBLEBEE

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Re: sharp 21V-k300XB no o.s.d display
« Reply #5 on: April 28, 2011, 05:15:49 PM »
wala pong indicator yung sa volume at sa channel..diba poh pagmaglipat ng channel. may 4,5,6,7,8..ito wala..


sinoyud ko na poh lahat,
inilawan ko na rin para makita ang lahat ng krak
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Offline BUMBLEBEE

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Re: sharp 21V-k300XB no o.s.d display
« Reply #6 on: April 28, 2011, 05:20:39 PM »
mmay nakita poh ako sa diagram ,
ito poh yata yung sa o.s.d nya.sa system poh ito
R=0v
G=0v
B=0v
BLK=0v
HD=4.2v
correct me if i'm wrong poh..pag-test ko poh jan sa HD wala poh boltahe...ng paandarin ko
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Offline MX45

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Re: sharp 21V-k300XB no o.s.d display
« Reply #7 on: April 28, 2011, 05:28:30 PM »
Quote from: **nidoking** on April 28, 2011, 05:20:39 PM
mmay nakita poh ako sa diagram ,
ito poh yata yung sa o.s.d nya.sa system poh ito
R=0v
G=0v
B=0v
BLK=0v
HD=4.2v
correct me if i'm wrong poh..pag-test ko poh jan sa HD wala poh boltahe...ng paandarin ko

HD= ang alam ko sis Hor. Drive ito papuntang hor base transistor.. wala dito sis ang problema mo kasi nag ooscilate na ang unit mo. ang hagilapin mo is yung OSD circuit nya check mo sa mapa.
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Offline BUMBLEBEE

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Re: sharp 21V-k300XB no o.s.d display
« Reply #8 on: April 28, 2011, 05:38:02 PM »
sir yung hd poh...hindi poh sya papuntang hor.drive..sa system ko poh to nakita katabi ng r,g,b..hung ko poh yung line ng hd at ng voltege reading ko may 4v naman at ng ikabit ko mawala sya..normal lang poh to??

ang problema poh hindi ko kabisado yung mga shortcut na mga words,,hindi ko aklam yung meaning nya...
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Offline MX45

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Re: sharp 21V-k300XB no o.s.d display
« Reply #9 on: April 28, 2011, 05:42:48 PM »
Quote from: **nidoking** on April 28, 2011, 05:38:02 PM
sir yung hd poh...hindi poh sya papuntang hor.drive..sa system ko poh to nakita katabi ng r,g,b..hung ko poh yung line ng hd at ng voltege reading ko may 4v naman at ng ikabit ko mawala sya..normal lang poh to??

ang problema poh hindi ko kabisado yung mga shortcut na mga words,,hindi ko aklam yung meaning nya...

ahh okay akala ko sa jungle tong HD mong nakita..kaya ako nagtataka kung bakit may 4.2V ..sa system pala.
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Offline Vaounsi

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Re: sharp 21V-k300XB no o.s.d display
« Reply #10 on: April 28, 2011, 05:43:35 PM »
baka sira system mo, check mo lahat maigi around system ic ecap, diode,or possible may crack board parin dyn
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Offline MX45

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Re: sharp 21V-k300XB no o.s.d display
« Reply #11 on: April 28, 2011, 05:50:23 PM »
Quote from: **nidoking** on April 28, 2011, 05:38:02 PM
sir yung hd poh...hindi poh sya papuntang hor.drive..sa system ko poh to nakita katabi ng r,g,b..hung ko poh yung line ng hd at ng voltege reading ko may 4v naman at ng ikabit ko mawala sya..normal lang poh to??

ang problema poh hindi ko kabisado yung mga shortcut na mga words,,hindi ko aklam yung meaning nya...


Sis sundan mo yang RGB sa System papunta yang OSD IN sa jungle IC baka may open trace ka pa dyan.
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Offline BUMBLEBEE

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Re: sharp 21V-k300XB no o.s.d display
« Reply #12 on: April 28, 2011, 05:57:16 PM »
sinundan ko na poh..yung line nya..patungo po eto sa jungle..wala naman poh syang putol,..ok naman..


napalitan ko na poh lahat ng cap..sa system..yung mga diode at resistor lang ang wala pero inisa-isa ko na sila lahat ...

system na kaya ito?/?
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Offline BUMBLEBEE

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Re: sharp 21V-k300XB no o.s.d display
« Reply #13 on: April 28, 2011, 05:59:27 PM »
at kahit galawgalawin ko yung board..hindi rin lalabas...
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Offline Vaounsi

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Re: sharp 21V-k300XB no o.s.d display
« Reply #14 on: April 28, 2011, 06:09:46 PM »
Quote from: **nidoking** on April 28, 2011, 05:57:16 PM
sinundan ko na poh..yung line nya..patungo po eto sa jungle..wala naman poh syang putol,..ok naman..


napalitan ko na poh lahat ng cap..sa system..yung mga diode at resistor lang ang wala pero inisa-isa ko na sila lahat ...

system na kaya ito?/?

maari sytem yan marami narin nagawang ganyan same at ibang unit, sana hindi pa, kaya double check maiigi,,80% sytem sira..
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Offline BUMBLEBEE

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Re: sharp 21V-k300XB no o.s.d display
« Reply #15 on: April 28, 2011, 06:15:18 PM »
tnx..poh..double check ko lang...
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Offline BUMBLEBEE

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Re: sharp 21V-k300XB no o.s.d display
« Reply #16 on: April 28, 2011, 06:16:51 PM »
magkano poh kaya system nito.?
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Offline J@M

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Re: sharp 21V-k300XB no o.s.d display
« Reply #17 on: April 28, 2011, 06:23:46 PM »
TS ung nagahasa na nga yan ng iba ndi kaya medyo natampered na board sa may system? try mo tanggal system nd kabit ulit with good solder...subok lng..pag ala bka nga syscon na yan.
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Offline RhUNhA

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Re: sharp 21V-k300XB no o.s.d display
« Reply #18 on: April 28, 2011, 06:38:12 PM »
anu ba yung ginamit na syscon..at jungle...

gumagana ba lhat yung pindutan ..ch+/ch-, vol+/vol-,tv/av,....ung path ng HD n sinsabi mo sundan mo at bka anjan ang problem...
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Offline danyenz

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Re: sharp 21V-k300XB no o.s.d display
« Reply #19 on: April 28, 2011, 09:15:11 PM »
Quote from: รว ~ ะว on April 28, 2011, 06:09:46 PM
maari sytem yan marami narin nagawang ganyan same at ibang unit, sana hindi pa, kaya double check maiigi,,80% sytem sira..
agre ako kay ac-dc..
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Re: sharp 21V-k300XB no o.s.d display
« Reply #19 on: April 28, 2011, 09:15:11 PM »
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