Riddled TV Repair Forum

silv · Joined: 07 Jun 2007 Posts: 57

Please, does anybody have a regulator # for this chassis CTC203AX Q14101. The one that is there is made in china ST N7 orW7 J922 P9NB50.

I have ST9503 is this one any good to substitute? Thanks in advance.

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kuhurdler · Joined: 28 Dec 2006 Posts: 2571 Location: Overland Park, KS

not aware of any subs for that one. I have part # 244223=P9NB50 listed.

mouser.com lists a few subs, but not the one you mentioned.

silv · Joined: 07 Jun 2007 Posts: 57

Thanks for your help. the Reg. is ok, only needed some resoldering, Pip stakes to ground. By the way are you familiar with this chassis, i've worked on lots of ctc 203 chassis, but this one has good pic, and sound but i notice these steady thin lines i know they are part of the video, but on other same chassis don't notice them, this is a diferent tuner is a TOB not a stand Up tuner like othe 203 chassis, it seems a filtering problem, don't bother much but they there just on UHF, have you any ideas why this lines are so noticable ,Thanks in advance.

kuhurdler · Joined: 28 Dec 2006 Posts: 2571 Location: Overland Park, KS

I'd definitely guess a tuner problem if it happens only throughout all the UHF channels. I've worked on my fair share of 203s too, but I don't recall any without the stand-up tuner.