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    Trying to identify a resistor network

    Looks like it has been "physically" damaged rather than failed electrically. Didn't happen to give it a bash getting the card out? Odd one cannot get any reading on any pair of pins.......... Either way, dime a dozen on any online place. Word of warning...those surface mount boards were never...
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    Trying to identify a resistor network

    I'd say value is 1k ohm per leg. Did you measure it at all...???
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    Battery to hardwire

    I wouldn't. Chargers are normally rated to deliver a lot lower current than the battery is capable of. Also the charger would be expecting to see some kind of voltage from the battery to both regulate and terminate the charge. 6S1P batteries are available just about anywhere online, used in...
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    What are specs on this cap?

    Check the solenoid armature hasn't lost or broken the copper shorting ring.
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    1954 HMV radiogram record player change.

    Yes, I have sufficient experience to recognise that initially. Warnings stand......
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    1954 HMV radiogram record player change.

    If there are 2 sockets. one for the signal and one for the shield, then ok. BUT, if it is the one socket, you will need RCA plug. Honestly, sometimes it's like talking to a brick wall. I'll repeat my previous warning although I doubt it will sink in, be careful what you connect where as there...
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    1954 HMV radiogram record player change.

    Why even bother...connect just the one signal/braid.
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    1954 HMV radiogram record player change.

    Most likely doesn't need one. What you do need is a schematic of the amplifier . What you should have done was note where the originals came from. These (RCA) plugs are most likely what you require (2 of) for your signal in. Grey cable with 4 cores......Shield (braid) goes to outer ring from...
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    1954 HMV radiogram record player change.

    The grey with four cores.....braid is outer sheath, outer connection on each of the sound signal plug, the other two insulated cables are the inner signal to each plug.
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    Switch question

    Relay definitely NOT required. There are literally millions of these produced and working just fine for the last 50 years without one.
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    Switch question

    What voltage? AC or DC..?? Convention with water heaters on AC is to pass through a combination thermostat/overload unit as shown below. They will easily handle 3kW. There are other requirements for both inlet and outlet pressure/temperature relief and mixing valves for which one must use...
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    How to troubleshoot single dim bulb/socket on Delco radio pcb?

    Check new bulb specs against old bulb specs. i.e. voltage and wattage Check voltage at the pins on PCB see if the same voltage as your bulb ( I kind of doubt it) What are the "bulbs" by the way.......any pic of the old one by any chance?.......seems strange to have a 2004 auto using bulbs...one...
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    Ignition Coil Fence Charger

    Of that I have no doubt BUT hook a cdi coil up to 12v direct or via switching and you'll burn the crap out of it. Have to remember the Op has trouble knowing which way is up (conservatively)
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    Ignition Coil Fence Charger

    Possibly....however there still remains that which #5 stated, there is a difference between old school kettering type coils and the newer cdi /cop style...entirely different. One can buy a 4 wire 12V dc cdi "black box" and a GY6 (all cdi) system from China, add a small mod to get it to work...
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    Help with What To Replace Next on Small Board

    By the look of your "repair" job, I'd tend to say, quit while you are in front. If you need to replace anything else on that pcb, there will be nothing left usable.
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    ID a motorola diode

    Perhaps show a clear photo of the device.
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    110 220V detection

    The way it reads, the Op wants to have innards for both power requirements and switch over between them.
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    Need help w/ home stereo

    So is the above your problem...you tended to rave on a bit. If so, are you sure it's this way or the phone ..??? If you are certain it is the power from the amp, I'd check that power first. Maybe plug your phone into a run-of-the-mill phone charger to verify.(or even as a fix...forget the amp...
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    110 220V detection

    Seems a long way around ......... and costly as well. One would expect any "machine" for a specific country would be supplied with the innards to suit that particular countries voltage/frequency.
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