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The AKAI 1720 model reel to reel tape recorder described in this Manual is quite an old unit - circa late 1960's. As a consequence, the description of the mechanical details - and adjustments thereof - is quite critical. The manual does this quite well. The schematics are also well presented and have detailed PCB overlays. Probably the only negative is that some half-tone detail has been lost from the original manual as it has been scanned in simple B&W.
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Perfect source for service manuals: fast and professional transaction; high quality, perfect readable and largely scaleable PDF; complete schemes, diagrams and spare part list. Tnx a lot, cu again!!!!
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I got your link from a friend and I must say that I am really satisfied with your service. Specially this B&O manual I didn't find anywhere on the web... but you could deliver it :-) . You deliver very fast and the copy is of good quality. So your webpage is bookmarked. Thanks
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This was the Sony CCU-500A Service manual I was looking for.
The price was reasonable.
The permission to download was quck.
I will use Owner-Manual.com for all my manual needs.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
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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