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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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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.
AV-21D81 AV-20N81 AV-16N81 AV-16N81G
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. 2. 3. Unplug the power plug. As shown in figure, remove the
5 screws
marked
and the
2 screws marked
. 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. and remove the PWB stopper marked from the front cabinet. 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 4 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. Be sure to clamp the wire. 2. 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.
12
No. 51902
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