My sharp tv 21" model 21AG2-S have three colours

Hi,

Please call Sharp at 1 (800) 237-4277 if you'd like to get your device repaired. Thank you.

Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

try going to the store and accessing their tv and menu record the steps, positions up, down across etc then do the same at home.

First, You should to replace by original part, then you should check the voltages on power supply, and check the voltage for vertical IC based on datasheet, also check the voltages on vertical section including yoke and last you should check the ESR capacitors on vertical section.

sansui k2k 21 tv service code

I found this available on www.encompassparts.com.

log in as a guest, enter your model number, the first three parts listed for this tv are,

Stand support, Stand base assembly, and stand screws. Total cost for the three items $ 108.00

I checked E-bay and found none.

try these:

0000
1234
the last 4 digits of your phone number

CommCentral

if crt pic tube magnitized need to degausse with coil

According to Sharp it is a software problem. Engineer came, installed software update ,10 minute job.....TV worked fine for 1/2 day unfortunately: Then images turned black and white in all channels TV turned itself off, and stanby and OPC buttons started flashing. When TV came back on its own 10 mins later , screen had 2 large square staines superimposed in image (as if it was a burnt screen)...Engineer will be back next week...all quite sad really for a new TV.....will keep u posted

A screen drive issue is at hand and will require the help of a shop to get it back up to snuff....accordianman