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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
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Block diagram,play rec block diagram,adjusments, it's a very good well done repair manual.
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Very clear copy of the philips service manual. Fast delivery. Thank you very much
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Excellent manual, detailed, very useful! Exactly what I needed, I'd recommend it to all who need it. Although images are scanned easily readable and explicit. A valuable tool product at a price more than modest, take it with confidence and you will not regret it!
AV-21F3 AV-21FR3 AV-21FMG3B
PURITY / CONVERGENCE ADJUSTMENT
PURITY ADJUSTMENT
1. Demagnetize CRT with the demagnetizer.
W EDGE DEF LECT ION YOKE
P
2. Loosen the retainer screw of the deflec tion yoke.
3. Remove the wedges.
CR T
4. Input a green raster signal from the signal generator, and turn the screen to green raster.
46
5. Move the deflection yoke backward.
P/C MAGNET S
# P/C MAGNETS 6. Bring the long lug of the purity magnets on the short lug and position them horizontally. (Fig.2) P : PURITY MAGNET 4 : 4 POLES (convergence magnets) 6 : 6 POLES (convergence magnets) 7. Adjust the gap between two lugs so that the GREEN RASTER will come into the c enter of the screen. (Fig.3) Fig.1
8. Move the deflection yoke forward, and fix the pos ition of the deflection yoke so that the whole screen will bec ome green.
9. Ins ert the wedge to the top side of the deflection yoke so that it will not move. 10. Input a cross hatch signal.
Long lug
PURIT Y MAGNET S
11. Verify that the screen is horizontal.
Short lug
12. Input red and blue raster signals, and make sure that purity is properly adjusted.
Bring the long lug over the short lug and position them horizontally.
Fig.2
(F RONT VIEW )
GREEN RASTER
CEN TER
Fig.3
No. 52024
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 $4.99 AV-21F3 JVC
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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