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  1. S

    Need help finding obscure TCO/thermal fuse

    Chatham Components, Inc. (973) 635-8075.
  2. S

    RCA 27" Console No color

    Are you sure of your input signal? Set might need adjustment, but I'd be checking the input signal to the receiver first. Are you using cable, or airwaves? Converter box?
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    Change over switch

    Don't know what country you're in, but there are a lot of very small toggle switches out there. C&K, Alcoswitch, Tyco, .... if you're in a bind for available space, you might consider a microswitch assembly. Don't give up, try looking for what you need at other suppliers, that might not be...
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    remote power switch

    Check online or in electronic supply magazines. You're reinventing the wheel, there are a lot of devices, already out there, to do this. And the prices are reasonable.
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    Transmit audio to a receiver on a mast to scare birds

    Just and idea. Birds don't fly at night, so you don't need to power your existing set-up 24/7, turn it off at night. Put a timer on it, so it activates at dawn and dusk (your worst times), I know you're looking for a new set-up, but I'd try working with your present system (that you said...
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    Colour screen fading

    Just ideas for you to consider: Is it time to get a new battery? The display will normally be more difficult to see (appear dimmer) in direct sunlight. Is the higher temperature on the course, causing the display to act erraticially? Is direct sunlight causing your electronics package to...
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    Tek TDS 520D Acquisition Board Problem

    I don't have a manual on this scope, but I've got a lot of time-in on Tektronix scopes. You probably have a circuit problem, but before I do anything, I go through those cheap pushbutton switches on the front panel. MANY times, when they fail, they hold-out the circuit you're trying to...
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    TV service manuals

    Try searching the mfgr website. Some of the manufacturers are now putting their manuals on their homepages, for free download. You have to do some looking on the web, but I'm usually pretty lucky in finding free downloads of schematics I need. Try 'free schematic', and the model of the tv...
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    Part Identification

    Just adding some info. Unfortunately, manufacturers do what they want. Hewlett Packard marked their ZENER DIODES as 'VR', like you thought, for voltage regulator. Typical HP designations for general purpose and power diodes is 'CR'. I would usually assume finding VR on the board, designates...
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    oscilloscope blurry with poor vertical lines

    If you fix it, don't leave it to freeze again this winter. Condensation can form bringing cold item into the warm house. Assume you let it dry out for several days, before firing it up. My guess would be damage to one of the large electrolytic capacitors to your power supply. They don't like...
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    RCA Shuts off after 1/2 hour

    Not familiar with this particular chassis. I'd look at power transistor close to flyback. They're usually bolted onto a heat sink close to the flyback. My guess is damaged with your flyback problem. It'll work till it warms up, then cause problems. If you've got a can of freeze spray, you...
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    TEKTRONIX 2465 fault

    Sorry, it's just difficult to give a definitive answer when not looking at it myself. It's a complicated scope, and it takes time to trace circuits and isolate problems. If you can get a manual, their troubleshooting section may be able to narrow down your specific problem for you. Good luck.
  13. S

    sony kf50we610

    Use the cool-mist spray on the two large power transistors (Horizontal and Vertical Output Amps), odds are one of them is on the way out. Good luck.
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    12" CRT Monochome Display

    I agree with Tesla, dangerous inside if you don't know what you're doing. Wanted to say I've seen this problem repeatedly in very high humidity places. I live in the desert with an evaporative cooler in the summer. If you have high humidity, when you turn on the CRT, you can get some pretty...
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    TEKTRONIX 2465 fault

    I'm shooting in the dark here. Test 04 IS for Calibration Data (on it's RAM). But I'd be looking at the Kernal Test, Buffer ROM U2160. 65536x 8 EPROM (Tekt 160-5370-04) I may be steering you in the wrong direction though. You're going to need repair, not just recalibration on your scope...
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    screen crackles

    It's easier to diagnose these things when we can see what you see. But my first guess would be your Horizontal is on it's way out. That's a high voltage circuit, and you should decide if you want to repair or replace the TV. I wouldn't keep turning it on the way it is. They can fry, and be a...
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    Hamlin 721A-0100 Relay

    Ken, Yeah, that's the right number. But it's Hamlin's old numbering system (modified numbering now). And they completely discontinued this amperage in this voltage. Hamlin didn't even bother returning my inquiry. I did find a drop-in equivalent made by Celduc in France. If you go on the...
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    2 pin vs 4 pin bulb

    Not familiar with this ballast, can't help you with unhooking the wires. From the description in the website you reference, the ballast is capable of a 'two intensity' bulb. A low and high intensity. So the two pins are probably for a single intensity bulb, (which would be what you have...
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    Big RCA Television

    Sorry, no experience with this problem. Triple check your wiring, don't just assume it's right, ....sounds like something just didn't get put back in correctly (be SURE to check the polarity of that transistor you put in also).
  20. S

    Hamlin 721A-0100 Relay

    Trying to find an old Hamlin Dip Relay, anybody know who might stock them? Hamlin 721A-0100 Dip Relay 1A 5V. Thanks *******Anybody needs to know: Hamlin obsoleted these years ago. I found equivelant made in France, you can buy them through Newark. Celduc D31A3100 Reed DIP Relay****...
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