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High quality scan of original Service Manual. Everything´s fine!
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Good scan of the original service manual. All schematics and adjustment procedures are there. It helped me to fix a long lasting problem with the tracking circuitry. The manual also includes the supplementals 1,2 and 3. Included are; electrical schematic's , pcb layout's, mechanical drawing's and exploded views, disassembly manual and maintenance procedures. 236 pages.
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The Service Manual received was helpful. The electronic information is exactly what I needed.
I recomend all of my friends about this technical page.
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High quality scan of service manual. I am satisfied!
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Excellent copies.
I will use "Owner Manual" again a second time.
AV-21D13 AV-21D33 AV-20N13 AV-20N33
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the power plug. 2. As shown in figure, remove the
6
screws marked
!
and the
2 screws marked " .
3. Withdraw the rear cover toward you.
REMOVING THE PW BOARD
" After removing the rear cover. 1. Slightly raise the both sides of the PW Board by hand. 2. Withdraw the PW Board backward. (If necessary, take off the wire clamp, connectors etc.)
REMOVING THE SPEAKER
" After removing the rear cover. 1. As shown in figure, remove the 2 screws marked # . 2. Follow the same steps when removing the other hand speaker.
CHECKING THE PW BOARD
1. To check the back side of the PW Board. 1) Pull out the PW Board. (Refer to REMOVING THE MAIN PW Board) 2) Erect the PW Board vertically so that you can easily check the back side of the PW Board. [CAUTION] " When erecting the PW Board, be careful so that there will be no contacting with other PW Board. " Before turning on power, make sure that the CRT earth wire and other connector are properly connected.
WIRE CLAMPING AND CABLE TYING
1. 2. Be sure to clamp the wire. Never remove the cable tie used for tying the wires together. Should it be inadvertently removed, be sure to tie the wires with a new cable tie.
10
No. 52022
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