Author Topic: sharp (friendly series) model 14v-j50m (Read 1872 times)

brucetech · « **on:** August 07, 2011, 08:24:06 PM »

mga master heto poblema nito:
retrace line,cguro mga 1inch ang gap ng bawat linya, hindi naman mataas ang G2(300v) parang na video sec ang problema nito..
180v ok
g2 ok
b+ OK
RGB from jungle
red=1.8v
green=1.8v
blue=1.8v
no sound, no picture OSD present

Philippine Electronics Forum · « **on:** August 07, 2011, 08:24:06 PM »

noman75 · « **Reply #1 on:** August 07, 2011, 09:15:45 PM »

resolder ka muna sis lalo na around FBT at trace mo ABL pin malamang may changed value res yan, at sukat ka muna ng voltahe at post mo dito... pwede rin eeprom yan try mo palit.
wait tayo sa mga masters dito...

Philippine Electronics Forum · « **Reply #1 on:** August 07, 2011, 09:15:45 PM »

brucetech · « **Reply #2 on:** August 07, 2011, 09:24:22 PM »

na resolder na lahat sis,, sang section ang sukatan ko ng voltahe?

Philippine Electronics Forum · « **Reply #2 on:** August 07, 2011, 09:24:22 PM »

brucetech · « **Reply #3 on:** August 07, 2011, 09:27:50 PM »

ang ABL circuit ok din

Philippine Electronics Forum · « **Reply #3 on:** August 07, 2011, 09:27:50 PM »

noman75 · « **Reply #4 on:** August 07, 2011, 09:49:22 PM »

post mo voltage nasukat mo sis para makita ano ang initial nagawa mo, palit ka na rin eeprom.

Philippine Electronics Forum · « **Reply #4 on:** August 07, 2011, 09:49:22 PM »

brucetech · « **Reply #5 on:** August 07, 2011, 10:13:43 PM »

b+120v,RGB measured in crt socket pins 130V(halos pantay ang rgb)
RGB from jungle 1.8 pantay ang 3 colors, 180v present ,9v sa c board present din

noman75 · « **Reply #6 on:** August 07, 2011, 10:18:04 PM »

Quote from: brucetech on August 07, 2011, 10:13:43 PM

b+120v,RGB measured in crt socket pins 130V(halos pantay ang rgb)
RGB from jungle 1.8 pantay ang 3 colors, 180v present ,9v sa c board present din

i mean ung sa abl mismo sis ilan nasukat mo? tsaka natry mo na ba palit eeprom?

unitech · « **Reply #7 on:** August 07, 2011, 10:34:04 PM »

pa subs......

comtronixs · « **Reply #8 on:** August 07, 2011, 10:37:37 PM »

parang yung capacitor sa line ng 180volts.. palitan mo kaya sir... if good pwedeng blanking circuit may trouble

brucetech · « **Reply #9 on:** August 07, 2011, 10:41:56 PM »

tp451, 9vac( abl from fbt pin),,tp452, 12vac (to abl jungle)

m@r · « **Reply #10 on:** August 07, 2011, 10:42:54 PM »

maki-abang lang...

brucetech · « **Reply #11 on:** August 07, 2011, 10:44:29 PM »

Quote from: comtronixs on August 07, 2011, 10:37:37 PM

parang yung capacitor sa line ng 180volts.. palitan mo kaya sir... if good pwedeng blanking circuit may trouble

saan po ba ang blanking circuit na yan? ung capacitor ok naman

comtronixs · « **Reply #12 on:** August 08, 2011, 12:11:17 AM »

yung 180 volts mo ba sir eh sakto lang blanking circuit is kasama sa jungle ic kadalasan,, pwedeng papost ng pic ng sinasabi mong trouble sir

x13r_kit_0 · « **Reply #13 on:** August 08, 2011, 12:20:08 AM »

abl and vertical section,suyod mabuti.tama post na rin pic for more info..

RhUNhA · « **Reply #14 on:** August 08, 2011, 07:26:56 AM »

Quote from: brucetech on August 07, 2011, 08:24:06 PM

mga master heto poblema nito:
   retrace line,cguro mga 1inch ang gap ng bawat linya, hindi naman mataas ang G2(300v) parang na video sec ang problema nito..
  180v ok
   g2 ok
   b+ OK
   RGB from jungle
   red=1.8v
   green=1.8v
   blue=1.8v
no sound, no picture OSD present

mlamang eeprom ito,,walang sound at pic..

na try nyo nba sa a/v mode

brucetech · « **Reply #15 on:** August 08, 2011, 08:02:51 AM »

sa av, ok ung sound pero ung picture wala, lines lng ang makikita
@comtronixs,tama naman po ung 180v..mga master pasensya na hindi ako marunong mag post ng pic..

MX45 · « **Reply #16 on:** August 08, 2011, 10:26:06 AM »

Quote from: brucetech on August 08, 2011, 08:02:51 AM

sa av, ok ung sound pero ung picture wala, lines lng ang makikita
@comtronixs,tama naman po ung 180v..mga master pasensya na hindi ako marunong mag post ng pic..

Mukang okay naman ang Voltages na na measure mo.. try mo muna palit eeprom, para iwas duda, then post mo ulit kung anong results.

acer · « **Reply #17 on:** August 08, 2011, 10:27:26 AM »

Quote from: ccasiser on August 08, 2011, 10:26:06 AM

Mukang okay naman ang Voltages na na measure mo.. try mo muna palit eeprom, para iwas duda, then post mo ulit kung anong results.

agree po ako dito

comtronixs · « **Reply #18 on:** August 08, 2011, 12:24:47 PM »

subukan mo ibaba ang screen mo may retrace parin ba? ang mahirap kasi niyan di natin nakikita yung actual na problem..

pwede mo rin pasukin ang smode niyan vol up chan up den on

acer · « **Reply #19 on:** August 08, 2011, 12:29:48 PM »

trace ang line ng abl baka crack

Philippine Electronics Forum · « **Reply #19 on:** August 08, 2011, 12:29:48 PM »

Author Topic: sharp (friendly series) model 14v-j50m (Read 1872 times)

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