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El producto satisface las necesidades del servicio t
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This is a good quality scan of the Operation & Maintenance (Service) Manual for the PAL version of this high-band broadcast umatic, BVU-800P
All schematics and lineup procedures appear to be included in this one manual AFAICT.
The file size is just over 113 MB which gives an idea of the quality and number of pages.
All of the schematics, which contain some fairly small print, are easily readable when you zoom into the page.
John Thompson, Newcastle Upon Tyne, England.
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Good quality, all schematics of few of models. There is also short form of user manual and regulation manual.
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Perfect copy of the service manual. you can enlarge every page, and it comes up
with all details.
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It´s very very nice manual with all, what i need. Original in good quality. Very fast business. Very much thanks...
21KF-80C
NO PICTURE, NO SOUND
Does the noise level increase at max. Contrast, Brightness and Sound
Noise increase but . No signal is received.
No snow noise.
Check the tuner supply voltage LB must be approx 5V. BT must be approx. 32V, and CH preset data check.
Does noise or signal appear at pin40 of IC801?
Does noise or signal appear at pin38 of IC801?
Check IC801and its related circuit.
Check the Tuner AGC at TP201.
Does noise or signal appear at pin23 and 24 of IC801?
Check Q401, Q402 and its related circuit.
Check pin38 of IC801.
Check pin27 of IC801, Tuner and related circuit.
Check pin1,2 of SF201, Tuner and related circuit.
Check pin37 of IC801and related circuit.
NO SOUND
Does signal appear at pin6 of IC302 / 303?
Check IC3001and its related circuit.
Does signal appear at pin2 of IC302 / 303?
Check Speaker.
Check IC302 / 303 and peripheral circuit.
38
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