Hi Franc,
Thank you for your efforts to help me. I ordered the SM for this TV.
If I fix this problem, I will post what part(s) caused it and regulated B+ voltage.
If not, I will post the regulated B+ voltage. My customer has set a limit on how much she wants to spend on this repair.
BTW,
I took a loss >On Wed, 03 Dec 2008 14:56:54 GMT, snipped-for-privacy@verizon.net (Brad) put
finger to keyboard and composed:
>
>>Hi,
>>
>> I have a Toshiba TV (27" pic) model 27A44 (mfg. 05/04) in my TV service
>>shop (no SM). Customer told me the TV "sparks" once in awhile, then turns
>>off. It didn't do it in the shop yet, but checking the HV, it was 30KV
>>(higher than normal). I checked the regulated B+ and it measured +122V!
>>Unfortunately, there is no marking on PCB that indicates what this voltage
>>should be.
>>
>> I removed and tested the timing capacitors in the horizontal output
>>circuit. Sometimes an open capacitor will cause the HV to go higher
>>than normal. They tested just fine.
>>
>> 130V is very common in my experience, but can someone tell me what the
>>regulated B+ should be in this model TV?
>>
>> Thanks in advance, Brad
>
>This forum post talks about a B+ of 124V and an EHT of 25kV:
>formatting link
>
>- Franc Zabkar