08-16-2013, 09:16 AM
Hi All;
Thank You, BrendaAnn for Your response..
I would like sort of build the circuit for a teaching aid for myself..
I had checked and replaced all the Caps and what resistors that needed to be.. But, I will check them and try again..
The coils were in fine shape no corrosion at all on any of them.. And they all measured fine.. But, if a turn or two had become shorted, I would not have known.. So, I will re look and re measure them again..
I think I tried the alternate oscillator with the generator and got nothing, But, I will try that again.. I know I could pick up a squeel on another radio, but since it was a cheap transistor radio without a fine detail of where I was on the dial, I couldn't tell if it was on the correct spot or not..
Two other things.. Part of building a Breadboard circuit is so that I can build the same circuit, with out the Band Switch and with out Short Wave Reception.. Just BroadCast band.. Eliminating those two possible problems..
Secondly, I found from checking, after cleaning the Trim Caps on the Tuning Capacitors, That (it has a four Cap gang) the upper two and the lower two set of caps are shorted together on Switched Band 1 and 2 and 3, But are not shorted on Band 4.. I don't know and can't tell yet IF this is correct or IF I have a problem in my Band Switch.. The Diagram in the Documentation Shows the Switch settings for Band 4.. And I have trouble figuring out what should be connected together when the Band Switch is in any of the other positions.. I am thinking I will need to take the Band Switch and all of the coils Out again and orinate it like the drawing measuring all connections and drawing it out on paper then turn it one position and see what changes, and redraw it.. So, I have four sheets of Paper with four parts of the Band switch on each sheet..
THANK YOU Marty
Thank You, BrendaAnn for Your response..
I would like sort of build the circuit for a teaching aid for myself..
I had checked and replaced all the Caps and what resistors that needed to be.. But, I will check them and try again..
The coils were in fine shape no corrosion at all on any of them.. And they all measured fine.. But, if a turn or two had become shorted, I would not have known.. So, I will re look and re measure them again..
I think I tried the alternate oscillator with the generator and got nothing, But, I will try that again.. I know I could pick up a squeel on another radio, but since it was a cheap transistor radio without a fine detail of where I was on the dial, I couldn't tell if it was on the correct spot or not..
Two other things.. Part of building a Breadboard circuit is so that I can build the same circuit, with out the Band Switch and with out Short Wave Reception.. Just BroadCast band.. Eliminating those two possible problems..
Secondly, I found from checking, after cleaning the Trim Caps on the Tuning Capacitors, That (it has a four Cap gang) the upper two and the lower two set of caps are shorted together on Switched Band 1 and 2 and 3, But are not shorted on Band 4.. I don't know and can't tell yet IF this is correct or IF I have a problem in my Band Switch.. The Diagram in the Documentation Shows the Switch settings for Band 4.. And I have trouble figuring out what should be connected together when the Band Switch is in any of the other positions.. I am thinking I will need to take the Band Switch and all of the coils Out again and orinate it like the drawing measuring all connections and drawing it out on paper then turn it one position and see what changes, and redraw it.. So, I have four sheets of Paper with four parts of the Band switch on each sheet..
THANK YOU Marty
