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Author Topic: tcl -1475 (standby only)  (Read 792 times)

Offline ratronext

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tcl -1475 (standby only)
« on: October 01, 2011, 12:25:45 PM »
need help po mga master!

action taken: 
resolder loscon, change ecaps sa ps, hung all tact switch/memory
no luck

check voltage:
w/ b+11oV, 5v, at 12v sa amp

ask ko lang mga sis ang 9v ba tsaka na  pag nag oscillate na ang unit?
kasi galing flyback ang supply

tia, n GOD bls
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tcl -1475 (standby only)
« on: October 01, 2011, 12:25:45 PM »

Offline BUMBLEBEE

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Re: tcl -1475 (standby only)
« Reply #1 on: October 01, 2011, 12:41:20 PM »
Quote from: ratronext on October 01, 2011, 12:25:45 PM
need help po mga master!

action taken: 
resolder loscon, change ecaps sa ps, hung all tact switch/memory
no luck

check voltage:
w/ b+11oV, 5v, at 12v sa amp

ask ko lang mga sis ang 9v ba tsaka na  pag nag oscillate na ang unit?
kasi galing flyback ang supply

tia, n GOD bls
ganun ba sis,, so ang status nito ngayon hindi mag-oscillate??, na trace mo ba ang supply sa jungle kung saan galing?,, HDT merong supply?
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Re: tcl -1475 (standby only)
« Reply #1 on: October 01, 2011, 12:41:20 PM »

Offline ratronext

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Re: tcl -1475 (standby only)
« Reply #2 on: October 01, 2011, 08:15:06 PM »
Quote from: BUMBLEBEE on October 01, 2011, 12:41:20 PM
ganun ba sis,, so ang status nito ngayon hindi mag-oscillate??, na trace mo ba ang supply sa jungle kung saan galing?,, HDT merong supply?
parang  galing flyback supply ng jungle
ano ba dapat supply sa hdt at san ba test point nya?
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Re: tcl -1475 (standby only)
« Reply #2 on: October 01, 2011, 08:15:06 PM »

Offline enriz622

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Re: tcl -1475 (standby only)
« Reply #3 on: October 01, 2011, 08:31:56 PM »
Wala ba supply ang hvcc ng jungle
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Re: tcl -1475 (standby only)
« Reply #3 on: October 01, 2011, 08:31:56 PM »

Offline BUMBLEBEE

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Re: tcl -1475 (standby only)
« Reply #4 on: October 01, 2011, 08:38:42 PM »
Quote from: ratronext on October 01, 2011, 08:15:06 PM
parang  galing flyback supply ng jungle
ano ba dapat supply sa hdt at san ba test point nya?

bakit parang poh?hindi poh ba kayo sigurado? master pake- confirm poh na sa FBT talaga kumukuha ng supply para sa jungle,,anong pyesa dinaanan

sa pag-kaka'alam ko poh,, hindi yata sa FBT,, may-regulator yata para sa supply nyan

about HDT,, trace mo lang yung base ng hot,, dumaan yan sa HDT
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Re: tcl -1475 (standby only)
« Reply #4 on: October 01, 2011, 08:38:42 PM »

Offline enriz622

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Re: tcl -1475 (standby only)
« Reply #5 on: October 01, 2011, 09:59:47 PM »
Na try mo naba on sa remote yan sis
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Offline J@M

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Re: tcl -1475 (standby only)
« Reply #6 on: October 02, 2011, 01:43:46 AM »
Check mo mabuti ung 9V mo, alam ko my sarili regulator yan..
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Offline taqui

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Re: tcl -1475 (standby only)
« Reply #7 on: October 02, 2011, 04:44:55 PM »
check base ng hot kung may voltage.. ac yan
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Offline pEN DoTA

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Re: tcl -1475 (standby only)
« Reply #8 on: October 02, 2011, 04:57:52 PM »
yun lng muna gawin mo t.s at mag update ka.
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Offline unitech

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Re: tcl -1475 (standby only)
« Reply #9 on: October 02, 2011, 05:02:12 PM »
pa subs.........
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Offline pEN DoTA

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Re: tcl -1475 (standby only)
« Reply #10 on: October 02, 2011, 08:00:14 PM »
9V yata ang missing for jungle? san na kaya ang t.s?
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Offline ratronext

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Re: tcl -1475 (standby only)
« Reply #11 on: October 03, 2011, 02:39:06 PM »
tnx sa mga nagreply
sori now lng nkapasok

9v supply galing talaga flyback
na try ko rin sa remote

ito mga sis short ko poo1 nag oscillate
pero blue screen lng

baka memory cguro wala pa ako ma replace

update q nlang  kau sis
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Offline beNj2angeL

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Re: tcl -1475 (standby only)
« Reply #12 on: October 03, 2011, 05:15:16 PM »
up..
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Offline BUMBLEBEE

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Re: tcl -1475 (standby only)
« Reply #13 on: October 03, 2011, 05:49:52 PM »
Quote from: ratronext on October 03, 2011, 02:39:06 PM
tnx sa mga nagreply
sori now lng nkapasok

9v supply galing talaga flyback
na try ko rin sa remote

ito mga sis short ko poo1 nag oscillate
pero blue screen lng

baka memory cguro wala pa ako ma replace

update q nlang  kau sis


sorry sir wala kasi ako diagram nito..
sino poh kaya may-diagram nito hindi ko masundan yung sinasabi mo poh na poo1,, anong pyesa poh yan?? newbie question lang poh,,,

baka hindi nag-oscillate ng tama ang system sis kaya nag-blue screen,, kasi poh may-pinag-dikit ka,,,
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Offline ratronext

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Re: tcl -1475 (standby only)
« Reply #14 on: October 04, 2011, 09:12:37 AM »
Quote from: BUMBLEBEE on October 03, 2011, 05:49:52 PM
sorry sir wala kasi ako diagram nito..
sino poh kaya may-diagram nito hindi ko masundan yung sinasabi mo poh na poo1,, anong pyesa poh yan?? newbie question lang poh,,,

baka hindi nag-oscillate ng tama ang system sis kaya nag-blue screen,, kasi poh may-pinag-dikit ka,,,
para macheck mo kung gumagana yung switching , meron test point yan P001, i short mo lang dapat lumabas na HVcc niyan

nabasa ko lang din yan d2 sis
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Offline beNj2angeL

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Re: tcl -1475 (standby only)
« Reply #15 on: October 04, 2011, 12:47:48 PM »
blue screen sya khit sa AV? kadalasan kc parang walng antenna pag blue screen..ok naman po ang b+? RGB tama po ang supply?
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Offline MX45

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Re: tcl -1475 (standby only)
« Reply #16 on: October 04, 2011, 01:19:34 PM »
p001, force switching ito para mag triger ang transistor na mag susuply sa HVCC supply sa jungle pin28. so malamang yung system ic ay hindi na cocomand kapag nag press ka ng power button, paki check ang powert button tact sw kung gumagana. or baka eeprom na,
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Offline BUMBLEBEE

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Re: tcl -1475 (standby only)
« Reply #17 on: October 04, 2011, 01:45:05 PM »
Quote from: ccasiser on October 04, 2011, 01:19:34 PM
p001, force switching ito para mag triger ang transistor na mag susuply sa HVCC supply sa jungle pin28. so malamang yung system ic ay hindi na cocomand kapag nag press ka ng power button, paki check ang powert button tact sw kung gumagana. or baka eeprom na,

tama agree... kailangan maka-isolate ng tama ang system,, pero nice din yung ginawa mo,,

kasi ngayon,nabawasan na ang pag-dududa, alam na natin na good ang banda sa jungle kc naka-pag-oscillate na ang FBT,,

so sa system nalang..
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Offline taqui

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Re: tcl -1475 (standby only)
« Reply #18 on: October 26, 2011, 01:57:16 PM »
eeprom muna
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Offline pete

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Re: tcl -1475 (standby only)
« Reply #19 on: October 26, 2011, 02:05:17 PM »
baka naman naka child lock lang
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Re: tcl -1475 (standby only)
« Reply #19 on: October 26, 2011, 02:05:17 PM »
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