pioneer sx1500td blowing fuse
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And VR1 and 2 set the DC point, that should be the half of B1 at the output when measured before the output cap.
Also make sure reistors R24 and R28 (10 Ohm) and R31 and R33 (1/2 Ohm) are Ok.
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RE: pioneer sx1500td blowing fuse - by morzh - 01-10-2015, 01:12 AM
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B&K 1077B no video
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Hello Tim,
I would if it's a leaky Capacitor So are all 3 of those B- voltages low then ?
Sincerely Richardradiorich — 01:55 AM |
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I found a schematic and think I have the problem traced down to the minus power supply. I have very low voltages that go...TV MAN — 12:41 AM |
RCA 15X
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I'd try replacing the bulb first and if that doesn't do it, then change the 35Z5 and see if the problem goes away.NostalgiaRadioTime — 12:28 AM |
B&K 1077B no video
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Hello Tim,
I have that exact unit in my shop too plus a Sencore unit there are times I like one or other !!.
Sincerely...radiorich — 11:07 PM |
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Everthing goes at once, maybe it's the cold weather, I have had 2 dial strings break and no my little RCA is having dial...Paul Philco322 — 10:26 PM |
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Hi Dan,
I can't explain this specific resistor but I have seen the use of a switch to apply B+ voltage to screen gri...RodB — 09:36 PM |
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I suspect it's been repaired before.
And I suspect whoever repaired it, wanted to re-use old transistors' pin stubs in o...morzh — 09:24 PM |
B&K 1077B no video
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Thanks Rich! I'll take a look and see what he has. I know there's more modern equipment to be had, but this one I know a...TV MAN — 09:11 PM |
B&K 1077B no video
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Hello Tim,
Here is a link to restoration of one on Phil's old radios site !
Sincerely Richard
bk1077bradiorich — 09:01 PM |
6TPZ and 5TPO Radio Help
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I'm a little befuddled on this one. Should X5 and X4 be tied together like this? It looks like someone added this at so...R3Sons — 07:33 PM |
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