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Old 2nd May 2021, 2:08 pm   #11
dazzlevision
Nonode
 
Join Date: Sep 2003
Location: Near Swindon, North Wiltshire, UK.
Posts: 2,820
Default Re: Bush Dual standard chassis.

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Originally Posted by ms660 View Post
Quote:
Originally Posted by dazzlevision View Post
Quote:
Originally Posted by ms660 View Post
Bush TV135 was a hybrid, I remember seeing them looking new and gleaming c1964.

Lawrence.
Yes indeed, but with virtually the same main chassis as a TV125.

The TV135R was a cheapened (i.e. for rental customers) version of the TV125, with a printed circuit receiver unit and a small, square PCB fitted in the top region of the RHS main chassis panel, with the PCL82 (sound), PCL85 (frame) and PCF80 (line Osc.) valves on it.

The TV135L was a TV125 chassis, with a "quick release" chassis mounting feature (providing quicker removal for servicing).
SS IF as far as I can remember.

Lawrence.
Yes, the TV135 (but not the R or L suffices) UHF and VHF tuners used Ge transistors, as did the IF panel. A PFL200 was used on the 405/625 IF panel as the video amp, with the other pentode (usually used as a sync separator) used as a black level correction device (as per a Mullard circuit design, IIRC), as the main chassis used the pentode section of a PCF80 as the sync separator (as per the TV125).
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