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JVC AV20N4(BK)
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of JVC AV20N4(BK) Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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Text excerpt from page 25 (click to view)
AV-20N4

STATIC CONVERGENCE ADJUSTMENT
1. Input a cross-hatch signal.

2. Using 4-pole convergence magnets, overlap the red and blue lines in the center of the screen (Fig. 1) to turn them to magenta (red/blue).

(FRONT VIEW)

3. Using 6-pole convergence magnets, overlap the magenta (red/ blue) and green lines in the center of the screen to turn them to white.

4. Repeat 2 and 3 above, and make best convergence.

Fig. 1

DYNAMIC CONVERGENCE ADJUSTMENT
1. Move the deflection yoke up and down and overlap the lines in the center. (Fig. 2)

(FRONT VIEW) RED GREEN BLUE

BLUE

RED GREEN BLUE

2. Move the deflection yoke left to right and overlap the lines in the periphery. (Fig. 3)

GREEN RED

3. Repeat 1 and 2 above, and make best convergence.
BLUE GREEN RED

Fig. 2

q After adjustment, fix the wedge at the original position. Fasten the retainer screw of the deflection yoke. Fix the PC magnets with glue.

(FRONT VIEW) GREEN RED BLUE GREEN BLUE RED RED GREEN BLUE

BLUE GREEN RED

Fig. 3

No. 56028

25

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