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#1
10-03-2020, 08:37 PM
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Sylvania TV help needed to identify
What model is it so i can get a sams ? I've included a pic , its a halolight , CRT is 21AVP4 , model starts with M and thats all that i can see , the label on the back is damaged and there are none in the set.
A guess would be its around 1956 / 1957 , has selenium rectifiers 
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#2
10-04-2020, 02:29 AM
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#4
10-04-2020, 12:11 PM
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Jon the one on radiomusuem has a different crt , different horz out and a couple other differences , the one i have has 6DQ6 horz out , 6AS5 for audio , no 6AQ5 etc .
Bob does your sound the same with tubes ?
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#5
10-06-2020, 09:43 PM
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Yes same tubes. My dad bought this set in 1954. He also bought the service manual.
The front of the manual says. Chassis 1-521-1, 2. Models 510, 520, 521, 526, 573, 575, 576, 577 series. Bob
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#8
11-08-2020, 05:21 PM
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update i never did find the model number so tracking down the sams is not easy , really impossible , i ordered a sams set 285 folder 14 to see if maybe that it but it has not arrived and the seller claims he sent it and put a trace on it , for all i know it could be set 286- 11 or 234-14 or who knows what.
21AVP4/21AUP4 is in the set , not sure if that is a replacement or original crt because data sheets show that is a low voltage electrostatic focus yet i'm pretty sure there is a permanent magnet that adjusts for focus 6AS5 for vertical out put Last edited by kramden66; 11-08-2020 at 05:33 PM.
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