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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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I don't see many of these.
When the pitch slider is moved from the centre detent, the green led goes dim but not completely out, it flickers slightly and the speed varies in time with the flicker. The pot seems ok. Has anyone been here before? is it just the slider pot, or some problem with the quartz pitch lock? Ron(UK) |
#2
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Ron(UK) wrote in message
... I don't see many of these. When the pitch slider is moved from the centre detent, the green led goes dim but not completely out, it flickers slightly and the speed varies in time with the flicker. The pot seems ok. Has anyone been here before? is it just the slider pot, or some problem with the quartz pitch lock? Ron(UK) there are 1200 and 1210 repair briefs on http://www.divdev.fsnet.co.uk/repair3.htm file of mine -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
#3
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![]() "Ron(UK)" wrote in message ... I don't see many of these. When the pitch slider is moved from the centre detent, the green led goes dim but not completely out, it flickers slightly and the speed varies in time with the flicker. The pot seems ok. Has anyone been here before? is it just the slider pot, or some problem with the quartz pitch lock? Ron(UK) Usually just the pot. The servo circuitry is generally very reliable on these. There are aditional contacts for the indication. About 50% of the time, the pots will strip and clean. Otherwise it's a case of replace it. These are very popular decks with the DJ-ing fraternity, and the parts are readily available for very reasonable prices, direct from Panasonic. Arfa |
#4
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Arfa Daily wrote:
"Ron(UK)" wrote in message ... I don't see many of these. When the pitch slider is moved from the centre detent, the green led goes dim but not completely out, it flickers slightly and the speed varies in time with the flicker. The pot seems ok. Has anyone been here before? is it just the slider pot, or some problem with the quartz pitch lock? Ron(UK) Usually just the pot. The servo circuitry is generally very reliable on these. There are aditional contacts for the indication. About 50% of the time, the pots will strip and clean. Otherwise it's a case of replace it. These are very popular decks with the DJ-ing fraternity, and the parts are readily available for very reasonable prices, direct from Panasonic. Arfa Many thanks for that Arfa, much appreciated. Ron(UK) |
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