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Anonymous Posted on Apr 15, 2013

Sanyo tv model # st-21ys2 defective system ic

Stanby only power on cannot activated

2 Answers

Jhonver Navarro

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  • Contributor 1 Answer
  • Posted on Jul 21, 2019
Jhonver Navarro
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Sir patulong naman huh kng str w6753 talaga ang power ng sanyo tv st21ms22 na model kasi pag dala sakin wala nng power ic eh

edwin oro

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  • Posted on Aug 30, 2014
edwin oro
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Sir may ginagawa akong tv ang trouble nya. pag on mo ng tv after mga 2 to 3 .minutes nawawala na ang sound tpos pag pinatay mo at pag plug mayron uli sounds tpos nawawala uli sound buo ang i.c sanyo st 21ys2

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5 Related Answers

Anonymous

  • 2 Answers
  • Posted on Dec 30, 2010

SOURCE: repair st-21sy1z

Please check zener diode D661. I f this is short, your power can not initiate. Hope this one can help.

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Anonymous

  • 1 Answer
  • Posted on Feb 17, 2011

SOURCE: sanyo st-21cf1 auto increase and decrease volume

bro my probleme ako may b+ pero wlang tao tapos maliit lang hindi naman sira ang vertical IC

Anonymous

  • 647 Answers
  • Posted on Oct 22, 2009

SOURCE: sanyo tv model no. ST-21G1 power indicator is just

Check if Horizontal ouput is shorted.Check if you have B+ (135VDC) power supply and secondary supplies working(12VDC, 5VDC) and check if you have horiz. drive pulse from drive transformer.
A common fault for dead set is the capacitors in the power supply (secondary of transformer) - no 12VDC supply.

gopakumarg43

The Knight

  • 76851 Answers
  • Posted on Apr 16, 2012

SOURCE: i need a service mode for grace sanyo tv 21 inches model no. ST-2101, the volume is working but i cant lower the volume.can you let me know? thanks

Visit this blog site for details.

electronicshelponline(.)blogspot(.)com
in name
Electro-Help

Type in the blog address, without brackets, eiter to Google search box, or into the address bar to your browser, and press Enter.

gopakumarg43

The Knight

  • 76851 Answers
  • Posted on Oct 08, 2012

SOURCE: may schematic diagram tv sanyo model st-21se1

Send your email ID to me by Fixya, and get back a copy of the schematic by return mail.

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Related Questions:

0helpful
2answers

What is the regulator of sanyo crt tv model st-21g1

If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
http://schematicscom.blogspot.com/
http://electrotechnician.blogspot.com/
Circuit diagrams of many popular brand TVs and other devices are given.
0helpful
1answer

Tv well not start stanby light on no power

Standby means you haven't an oscillation which will drive your flyback. This is due to the ff reasons: -open fusible resistor in line with B+ to the H-out transistor. -shorted H-out transistor -Leak on 160v electrolytic cap. above is the common reason while below still to be consider. -Defective jungle IC -Defective System IC
This is not diy and I've advice to send your unit to repair shop to isolate the problem But check also if it is under warranty. Avail it because the manufacturer of your unit will fix it for free or a little charge only.
Have a nice day! Thanks for using fixya.
1helpful
1answer

Sanyo tv model st-21cf1 no sound

KElvin Dacasi kapag maliit ang tao nsa screen tapos nasa ibabaw pa,Palitan mo ng bago yung mga Capacitor malapit diyan sa Vertical IC,mura lang yan!!!
4helpful
2answers

Sanyo st-21cf1 auto increase and decrease volume

bro my probleme ako may b+ pero wlang tao tapos maliit lang hindi naman sira ang vertical IC
0helpful
1answer

Repair st-21sy1z

Please check zener diode D661. I f this is short, your power can not initiate. Hope this one can help.
0helpful
1answer

TV is in stanby/timer?

There are any number of things could be wrong here. If you have an ever so slight chirping sound coming from inside the unit when you press power could be defective crt driver Ic702 which is a Tda6108 and a common problem for these sets. Could be regulator or flyback and could even be vertical Ic which is a Tda8172 and just the way that circuit is designed, without full deflection from a failed Ic, the shutdown would keep the power off...
Best advice here is take it in to a qualified shop and have them estimate it, you'll be money and headaches ahead..
Bill
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