[TechAssist] Re: LOW HOT B+ Causes Bad PINCUSSION?
- From: Bil Green <tv.vcrrepair@xxxxxxxxxxx>
- To: techassist-bounce@xxxxxxxxxxxxx,"tomlee" <t8872695@xxxxxxxxxxxxx>
- Date: Fri, 24 Oct 2003 13:01:33 -0700
Tom,
That sounds like it almost has to be the problem. Mine also has low
B+, etc. The model no. is very different, but I think this is it.
Mine must have the -20 volts because all the pin voltages were very
close. Of course I'll check anyway.
--
Best regards,
Bil Green
2001 TV VCR
Mammoth Lakes, CA 93546
760-934-2001 mailto:tv.vcrrepair@xxxxxxxxxxx
Monday, October 20, 2003, 9:10:06 AM, you wrote:
t> Bil.
t> here is a tip from our archieve.
t> TOSHIBA
t> CF35F40
t> N5ES
t> LOW B+ AND POOR PINCUSHION ON EACH SIDE
t> CHECK/REPLACE C884 (P/N# 24640018) 220uF @ 160v
t> Also do you have -20v source for pincushion ckt. horizontal drive
t> transformer resolder (because HOT was blow). Good luck
t> Dang TD electronics
t> reseda ca
t> ----- Original Message -----
t> From: "tom lee" <t8872695@xxxxxxxxxxxxx>
t> To: <techassist@xxxxxxxxxxxxx>
t> Sent: Thursday, October 23, 2003 12:26 AM
t> Subject: [TechAssist] Re: LOW HOT B+ Causes Bad PINCUSSION?
>> Bill.
>> In My toshiba B+ is 115v. And is is normal.So may be pincushion output
>> transistor of your tv is very cool. not working.
>> Dang TD electronics
>> reseda ca
>> ----- Original Message -----
>> From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx>
>> To: ".TECHASSIST @ freelists . org" <techassist@xxxxxxxxxxxxx>
>> Sent: Thursday, October 23, 2003 10:01 AM
>> Subject: [TechAssist] LOW HOT B+ Causes Bad PINCUSSION?
>>
>>
>> > Toshiba CF3054J
>> > Chassis TAC8950
>> > 30" TV
>> >
>> > HOT shorted (bad electro at horiz drive transformer)
>> > With new HOT (same part no.) the side pincushion is way off
>> > (HOT is running nice and cool).
>> >
>> > All electro's, diodes and transistors on the pin. board
>> > check OK. Voltages are real close and Side Pin adjustment
>> > works, but doesn't help.
>> >
>> > The 120V line is down to 114V (replacing 4.7mf and 22mf
>> > caps didn't help), so I am ordering the STRS5141G.
>> >
>> > Has anyone seen low HOT B+ cause extremely bad pincussion?
>> >
>> > This set is out of town, so I want to have as much info as
>> > possible in case the regulator chip doesn't fix the pin
>> > problem.
>> >
>> >
>> >
>> > --
>> > Best regards,
>> >
>> > Bil Green
>> > 2001 TV VCR
>> > Mammoth Lakes, CA 93546
>> > 760-934-2001 mailto:tv.vcrrepair@xxxxxxxxxxx
>> >
>> >
>>
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