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The Philippine Electronics and Technology Forum > Electrical and Electronics Repair > Analog and Mixed Signal Device Repair (Electronics Technician Forum) > Television Repair > Samsung TV Sets > Samsung CT-3385VB (Poor sound but Audio-In sound OK)
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Author Topic: Samsung CT-3385VB (Poor sound but Audio-In sound OK)  (Read 1124 times)
thorshz
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ijibana
« on: August 21, 2009, 10:03:23 PM »
Mga master, need help!...
Samsung CT-33859VB

1. Pangit ang sound pag-naka-tuner or channel broadcast pero sa Audio in OK.

2. Meron ding line sa upper screen, nagresolder na ako vertical section wala parin. Yung def yoke dati nag-spark dahil sa open and shorted wires nilagyan ko lang ng tape.

Need you inputs mga masters....
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« on: August 21, 2009, 10:03:23 PM »
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thorshz
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ijibana
« Reply #1 on: August 24, 2009, 08:25:28 PM »
update:
ok na yung sound. inadjust ko sa service mode, compare ko dun sa isang samsung tv.

problema nya ngayun yung vertical na guhit sa upperscreen. mga master patulongnaman,
nagpalit nako ng KA2131 vert IC, 100uFcap ganun pa rin.
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ultrasonic™
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never be harsh coz everythng is fine
« Reply #2 on: September 11, 2009, 12:12:03 AM »
kng vertical  linearity problem  yan at saka ang chassis number nyan ay  k-53AQ

try  nyu huh  palitan ang R310=330kohm  into 470k ohm

hope makatulong

(^_^)
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thorshz
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ijibana
« Reply #3 on: September 16, 2009, 04:36:22 PM »

master, sa may vertical section lang ba ang R310?

di ko makita R310, hanggang R309 lang sa may vrtical section nakita ko.., baka may schematic kayo sir, pa post naman.

ang reference schematic diagram ko kasi cT-5073. Although sa tingin ko same sila ng board pero mag-kaiba ng mga values.

possible ba na mag-cause ng vert linearity ang yoke? kasi nirepair ko lng yoke,dati kasi nag-spark pag-binubuksan ko tv.
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thorshz
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ijibana
« Reply #4 on: October 05, 2009, 05:54:17 PM »
sir ultrasonic, ok na yung vert linearity, pinalitan ko yung R303 56K with 100K ok na!! Smiley (late update)
yun nga lang yung sound bumabalik, pangit ang sound, kelangan pa i-fine tune para gumanda ng konte, may idea kayo dito? help please...
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thorshz
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ijibana
« Reply #5 on: October 05, 2009, 05:54:57 PM »
points sau....
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ultrasonic™
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« Reply #6 on: October 06, 2009, 06:19:35 PM »
Quote from: thorshz on October 05, 2009, 05:54:17 PM
sir ultrasonic, ok na yung vert linearity, pinalitan ko yung R303 56K with 100K ok na!! Smiley (late update)
yun nga lang yung sound bumabalik, pangit ang sound, kelangan pa i-fine tune para gumanda ng konte, may idea kayo dito? help please...

try  nyu  hung  resolder ang  SIF section  kng maaari ang  yung buong  Tuner Module  at saka  palitan nyu  ang xtal for audio
mostly  4.5mhz  baka  makatulong

(^_^)
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thorshz
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ijibana
« Reply #7 on: October 09, 2009, 05:37:06 PM »
sir salamat., yung 4.5mhz san yun makikita sa loob ng tuner?
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ultrasonic™
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« Reply #8 on: October 09, 2009, 08:21:12 PM »
Quote from: thorshz on October 09, 2009, 05:37:06 PM
sir salamat., yung 4.5mhz san yun makikita sa loob ng tuner?

nope  sa  labas  ng  TUNER module
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edz
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« Reply #9 on: October 21, 2009, 11:21:46 AM »
mga boss tulong naman anong number sa flyback samsung t.v?
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