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I searched the Internet exhaustively for this manual and Owner-Manuals was the least expensive...but provided an excellent reproduction within 4 hours. Very satisified.
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Rapid and precise delivery. Good print. On the spot.
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available for me the service manual is in order!
thanks
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This is exactly the thing you need to service this box. The manual is complete and the quality of the scan is good. I recommend this!
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The delivery of this manual was very fast, less than 8 hours. The manual is very clear and concise, and helped a great deal in the repair and final setup of the Hitachi HMA-G2 Amplifier.
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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