[TechAssist] Re: Fw: RCA-CTC167R,mod#27gt612-bow on sides1/2''
- From: "C&W Electronics" <c_w_electronics@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 16 Mar 2002 16:03:53 -0600
Go back with the orig 2SC3892A, this should correct the problem. It has a
faster switch time and lower wattage. Been there, done that! Called shooting
yourself in the foot.
Paul W
C&W Electronics
From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: <techassist@xxxxxxxxxxxxx>
Subject: [TechAssist] Fw: RCA-CTC167R,mod#27gt612-bow on sides1/2''
Date: Sat, 16 Mar 2002 03:05:59 -0400
HARTS-TVCR''ASC''
9-Robert St.,Oromocto,NewBrunswick,CAN
Tel#506-357-9785Fax#506-357-6010
----- Original Message -----
From: Don Hartigan
To: professionals
Sent: Saturday, March 16, 2002 3:04 AM
Subject: RCA-CTC167R,mod#27gt612-bow on sides1/2''
Unit came in DOA.Main fuse blown,hot shorted.Changed HOT with a 2SD1880,OEM
was a 2SC3892A.The 1880 runs cool &waveforms look good.Raw B+ is 160vdc,Reg
B+ is 126vdc.Left side of pix is bowed about 1/2'',right side about
1/4''.otherwise pix is excellant.Went thru my data base&winstip.Checked all
the usual problems with pin cct,ie,transistors in the 4800
series,cr4802,c4605,c4302,scr4101,q4804,c4809,cf4704,
r4817,c4101,r4001.The reg b+ for this unit should be 129vdc but will 3vdc
make that much differance &cause the slight bow on the sides,or is the yoke
a possible culprit.Its cool to the touch,no hot spots...tia...Don of
HARTS-TVCR''ASC''
9-Robert St.,Oromocto,NewBrunswick,CAN
Tel#506-357-9785Fax#506-357-6010
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