Pieter H

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Forum Replies Created

RE: Tuner Grease

I would strongly recommend not to use ANY grease in a mechanical drum tuner. The best way to clean the contact is mechanical: simply rotate the entire drum multiple times through an entire 360 revolut...

In forum Black & White Television

2 months ago
RE: HELP! Cant find the model of this old Phillips TV

To determine the model you will need to open the back cover and photograph any type labels and the chassis. Look forward to any pictures that might help. Cheers, Pieter

In forum Black & White Television

2 months ago
RE: Intercarrier Sound

@synchrodyne Hi steve, as to the introduction of QSS in Philips TV sets, see my overview here. The short summary is: 1976 G11 chassis TDA2705 1978 K12 chassis TDA2750 (& TDA2760 amplifier) ...

In forum Black & White Television

6 months ago
RE: Television Receiver Intermediate Frequencies

@synchrodyne Hi Steve, interesting point you bring up there! I've done two quick checks on the "38,9 MHz emergence". In the 1952 Philips Electronic Application Bulletin that introduced the intercarri...

In forum Black & White Television

6 months ago
RE: Television Receiver Intermediate Frequencies

Hi Steve, all, thanks for your comprehensive analysis of TV Intermediate Frequencies over time. It has been very helpful also when writing my Tuner History. At the same time I would like to stress one...

In forum Black & White Television

6 months ago
RE: Television Receiver Intermediate Frequencies

Hi Steve, Good stuff! Most surprising in the table on the 2nd page above is the fact that both Switzerland and Denmark were at the time contemplating to use other IF values than what I thought was a f...

In forum Black & White Television

4 years ago
RE: Analogue Television Broadcast Transmission System Letter Designations

Hi Steve, thanks a lot, as always a very informative overview.With respect to the use of L' or K' (or any other form thereof): like you already suggested, the reason for this is the difference betwe...

In forum Black & White Television

4 years ago
RE: Television Receiver Intermediate Frequencies

Terry, for details on that see my earlier post of September 29 in this thread (page4). It shows the transition from the different lower IF's to the final BREMA standard over time and per manufacturer....

In forum Black & White Television

4 years ago
RE: Television Receiver Intermediate Frequencies

Hi Steve, you mention many different things, so let me try to comment on a few of them: I think your analysis of the different solutions for L' are correct. And indeed later, when SAW IF filters were...

In forum Black & White Television

4 years ago
RE: Television Receiver Intermediate Frequencies

Hi Steve, you triggered me to have a quick search of the Philips tuners for D/K standards. This is the outcome: until 1977 no single D/K specific tuners found. The closest solutions are multi-mode re...

In forum Black & White Television

4 years ago
RE: Television Receiver Intermediate Frequencies

Hi Steve, I never dived into the K' standard because it is a bit outside my scope. However, looking at your last post I can say the following about the proposed IF values as mentioned. In general it ...

In forum Black & White Television

4 years ago
RE: Television Receiver Intermediate Frequencies

Hi Steve, good to see you back on the IF discussion! In the meantime Jac Jansen borrowed me the book "TV conversion for ITA" by CE Lotcho, 1957. This book describes the set conversion necessary to rec...

In forum Black & White Television

4 years ago
RE: Philips N1500 troubles

Hi Rob, can I refer back to your first post with the picture? At this very moment I'm trying to make an inventory of the RF modules used in the Philips VCR's (tuners, splitters, modulators). According...

In forum Video Recorders, CED, LaserVision, DVD & DTV

4 years ago
RE: Philips G8 tuner?

Hi Gary, thanks, that's very useful information. And yes, you're absolutely right, the G11 used the U321. I could verify that from other pictures. Allows me to eliminate at least one unidentified "mys...

In forum Colour Television

4 years ago
RE: Philips G8 tuner?

@Chris, thanks a lot, these are exactly the type of pictures that help. The frustrating part is that the label only shows the 12nc - new to me! showing UK origin - and Dunfirmline (BY) production cod...

In forum Colour Television

4 years ago
Philips G8 tuner?

Hi all, I'm trying to write the history of the Tuner modules developed and used by Philips in its TV's. I recently uploaded the third part of my story, on transistor-based tuners, which overlaps with ...

In forum Colour Television

4 years ago