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Granada Television Brochure, 1970s
Long Gone UK TV Shops
Memories of a Derwent Field Service Engineer
PYE Australia Circa 1971
Radios-TV VRAT
Fabulous Fablon
Thorn TX10 Chassis
Crusty-TV Museum, Analogue TV Network
Philips N1500 Warning!
Rumbelows
Thorn EMI Advertising
Thorn’s Guide to Servicing a VCR
Ferguson 3V24 De-Robed
Want to tell us a story?
Video Circuits V15 – Tripler Tester
Thorn Chassis Guide
Remove Teletext Lines & VCR Problems
Ceefax (Teletext)
Suggestions
Website Refresh
Colour TV Brochures
1970s Lounge Recreation
CrustyTV Vintage Television Museum
Linda Lovelace Experience
Humbars on a Sony KV2702
1972 Ultra 6713
D|E|R Service “The Best”
The one that got away
Technical information
The Line Output Stage
The map
Tales of a newly qualified young engineer.
Tales of a Radio Rentals Van Boy
Sanyo SMD
Disastrous Company Rebranding
1969 Philips G22K511
Memories Of The TV Trade
Crazy house
Dirty TV screens
Dual Standard and Single Standard CTV’s
Radios-TV on YouTube
The Winter of 62/63
A domestic audio installation
1979 Ferguson Videostar Deluxe 3V16
Music centre modifications
Unusual record player modification
B&K 467 Adapters
Mishaps In The Trade
1971 Beovision 3200
1971 Bush CTV1120
Cap Colour Code
Hi Guys,
Having a dilemma, tidying up some component draws I came across these caps. Now the trouble is reading the value.
One end is simple Gold 5% or silver 10%. What I'm having difficulty deciding on is reading the other end. Large splodge on end followed by two dots on the body. Is the splodge on the end the multiplier or the first value?
So do you read first dot, second dot followed by splodge end or splodge, dot dot with final dot being the multiplier?
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Cathovisor said
I think putting a few across a bridge would soon determine the value and thus the reading order
If I had one working that would have been my first choice too.
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Are you sure they're caps? I've not seen any like those before but I have seen chokes that look very similar in VCRs. Try one on ohms just to be sure.
John.
John.
Hi John,
I bought an ex TV engineers workshop stock recently, all sorts of 70's period TV parts transistors, i.c's, diodes, thyristors caps and resistors which are all taking me an age to catalogue. I was rummaging through one of the cabinets I bought and found these in a tray, I thought caps but to be honest had not considered chokes. I will go and meter them after some tea.
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I was working with this in mind Brown splodge =1 Violet=7 Yellow=4, Gold end 5% so for a resistor 170K an inductor 170,00 uH and a cap .17uF but all that bears no semblance to the above reading.
If its a choke/inductor does the colour coding convention apply? Still confused!
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I would suspect 470mH but I'm not sure.
John.
John.
So if you're correct and you usually are, the read direction is reverse to what I thought, yellow, Violet, Brown with the large end splodge being the multiplier 4,7,1 =470
Just found another draw full and this time intermixed with inductors I do recognise, the little green fellas. Looks like mystery component solved. Just need to see if I can get my LCR meter working again then I can be sure-ish of the values.
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Probably more likely to be 470μH.
Chris said
Hi John,I bought an ex TV engineers workshop stock recently, all sorts of 70's period TV parts transistors, i.c's, diodes, thyristors caps and resistors which are all taking me an age to catalogue.
Any 4000 series thick films by any chance?
John
John.
Have they been recovered from PCB's?
Frank
Frank
Jayceebee said
Any 4000 series thick films by any chance?John
Wouldn't know them even if they were in front of having never seen one in the flesh. I do have all sorts of this film units scattered about in the workshop.
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nuvistor said
Have they been recovered from PCB's?Frank
Hi Frank,
A mixture, some new, some recovered
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