Re: 1970s indesit television 12LGB power cord
The power lead wiring was given in the service manual you posted, but I've attached it here for clarity.
For mains, connect neutral to 93, live to 99 and connect a link between 96 and 97.
For 12v DC, connect negative to 93, positive to 96 and connect a link between 96 and 95.
This TV is a transformerless design; the chassis is not isolated and should be treated as live when connected to mains. For safety, I would recommend testing it on a 12v DC supply first, since you'll be less likely to get a shock or seriously damage the TV if you get it wrong. (Use a power supply rated 2 amps or more. You might have one already, from an external disk drive, LCD monitor or digital TV box.)
Original power leads sometimes turn up for these TVs. I'm sure I saw one in a table-top sale at the Vintage Wireless Museum in Dulwich but that was last year or before. You can ask in the 'Wanted' section. It's worth a try.
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