Tektronix 7603 with 7B53A and 7A26 plug ins

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Tektronix 7603 with 7B53A and 7A26 plug ins

Refugee

Senior Engineer in Charge

Posts: 3,286
Reputation: 6
Location: Worksop

#43

04-06-2015, 06:19 PM

There should be no reason to remove the board unless the fault is a passive component..
The main thing I need is to know what is on pin 11 of U2126 with the brightness at maximum, minimum and off.
Pin 11 appears to be loading the pot on mine.

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Messages In This Thread

Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 11-05-2015, 03:13 PM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Nick - 11-05-2015, 03:30 PM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Refugee - 11-05-2015, 04:31 PM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by AlanBeckett - 11-05-2015, 04:40 PM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Refugee - 11-05-2015, 11:40 PM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by AlanBeckett - 12-05-2015, 07:59 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Nick - 12-05-2015, 05:26 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by AlanBeckett - 12-05-2015, 08:02 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Nick - 12-05-2015, 10:19 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by AlanBeckett - 12-05-2015, 11:02 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Refugee - 12-05-2015, 11:13 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Nick - 12-05-2015, 11:20 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Nick - 16-05-2015, 03:16 PM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Refugee - 16-05-2015, 03:58 PM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Alan Douglas - 18-05-2015, 12:48 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Refugee - 18-05-2015, 08:54 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by AlanBeckett - 18-05-2015, 09:17 AM

RE: Tektronix 7603 with 7B53B and 7A26 plug ins - by Refugee - 25-05-2015, 11:33 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 26-05-2015, 08:04 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Alan Douglas - 26-05-2015, 11:44 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 26-05-2015, 12:10 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Nick - 26-05-2015, 02:19 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 26-05-2015, 10:34 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Nick - 27-05-2015, 08:40 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 27-05-2015, 09:37 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 01-06-2015, 02:06 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 02-06-2015, 01:11 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by pwdrive - 02-06-2015, 03:27 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 03-06-2015, 01:14 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 03-06-2015, 08:25 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 03-06-2015, 08:47 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 03-06-2015, 09:10 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 03-06-2015, 09:53 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 03-06-2015, 10:15 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Nick - 03-06-2015, 12:59 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 03-06-2015, 10:36 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 03-06-2015, 10:25 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Nick - 04-06-2015, 04:29 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Radio Fixer - 04-06-2015, 07:36 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Nick - 04-06-2015, 08:12 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 04-06-2015, 08:37 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 04-06-2015, 10:11 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 04-06-2015, 06:19 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 04-06-2015, 07:25 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 04-06-2015, 07:45 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 04-06-2015, 09:21 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 04-06-2015, 10:20 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 04-06-2015, 10:42 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 05-06-2015, 01:21 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 05-06-2015, 09:07 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Nick - 05-06-2015, 09:38 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 05-06-2015, 10:29 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 05-06-2015, 10:41 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 05-06-2015, 11:51 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Nick - 05-06-2015, 12:11 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 05-06-2015, 12:52 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 05-06-2015, 01:13 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Nick - 05-06-2015, 01:44 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 05-06-2015, 03:00 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 05-06-2015, 05:18 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 05-06-2015, 06:04 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 05-06-2015, 06:06 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 06-07-2015, 11:58 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 07-07-2015, 08:13 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 07-07-2015, 12:00 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Radio Fixer - 07-07-2015, 02:11 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 07-07-2015, 02:53 PM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by Refugee - 13-07-2015, 02:23 AM

RE: Tektronix 7603 with 7B53A and 7A26 plug ins - by AlanBeckett - 13-07-2015, 08:51 AM

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