Panasonic TC-29P10N, Service Manual

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A B
A=B=7.2 lines
A B
A=B
Adjustment jig Color pattern generator
Meassuring location TV screen (visual observation)
Adjustment location Remote control buttons [VOL +/-]
Input signal Crosshatch pattern
3. Horizontal adjustment Purpose: Adjustment of amplitude and linearity of the image in horizontal direction.
Image adjustment Standard
Image menu Image 4 (dynamic)
Adjustment conditions
Set S551 (H. CENT) to the center.
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Caution items
Horizontal position adjustment
1. Set to the item [H-WID], narrow the horizontal amplitude with the
remote control buttons [VOL +/-], and confirm the horizontal center.
2. Set to the item [H-POS].
3. Adjust with remote control buttons [VOL +/-] so that the horizontal
center of the crosshatch pattern comes to the center of the screen.
Horizontal amplitude adjustment
4. Return to the item [H-WID].
5. Adjust with the remote control buttons [VOL +/-] so that the number
of vertical lines of the crosshatch pattern on the left and on the right
becomes 7.2 lines each.
Horizontal pincushion compensation adjustment
6. Set to the item [H-PIN].
7. Adjust with the remote control buttons [VOL +/-] so that the vertical
lines on teh outside of the crossshatch pattern become straight
lines.
Horizontal linearity confirmation and setting
Confirm that the horizontal linearity is not unbalanced.
If it is unbalabced, switch S551 (H. CENT) and set to the best
position.
a. When the right side of the screen is shrunk, set S551 to the
side of the termianl board, and when the left side of the
screen is shrunk, set S551 to the side of the flyback
transformer.
b. When the balance is not too bad, leave S551 at the center.
c. When S551 is not set at the center, perform horizontal
position adjustment for 4:3 mode and for 16:9 mode.
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