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The manual was of good quality with high resolution schematic diagrams.
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The manual was very clear and contained all the information I was looking for. My dishwasher is working again because of this servicemanual!
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Quality scan, great manual. I solved my problem with this manual.
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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!!!!
SECTION 3 DISASSEMBLY
3.1 3.1.1 (1) (2) (3) DISASSEMBLY PROCEDURE REMOVING THE REAR COVER Unplug the power cord. Remove the 7 screws [A] as shown in the Fig. 1. Withdraw the REAR COVER toward you. 3.1.6 CHECKING THE PW BOARD � To check the back side of the PW Board. (1) Pull out the PW Board. (Refer to REMOVING THE MAIN PWB). (2) Erect the PW Board vertically so that you can easily check the back side of the PW Board.
3.1.2 REMOVING THE MAIN PWB � Remove the REAR COVER. (1) Slightly raise the both sides of the chassis by hand and withdraw the MAIN PWB backward. (If necessary, take off the wire clamp, connectors etc.)
3.1.3 REMOVING THE SPEAKER � Remove the REAR COVER. (1) Remove the 4 screws [B], and remove speaker as shown in Fig. 1. (2) Remove the speaker. (3) Remove the other side speaker by same procedure.
3.1.7 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 wire connector is properly connected. � When conducting a check with power supplied, be sure to confirm that the CRT EARTH WIRE (BRAIDED ASS'Y) is connected to the CRT SOCKET PW board.
3.1.4 REMOVING THE FRONT AV PWB � Remove the REAR COVER. � Remove the MAIN PWB. (1) Remove the 2 screws [C] as shown in Fig. 1. (2) Remove the FRONT AV PWB.
3.1.8 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.
3.1.5 REMOVING THE HEADPHONE PWB � Remove the REAR COVER. � Remove the MAIN PWB. (1) Remove the 1 screw [D] as shown in Fig. 1. (2) Remove the HEADPHONE PWB.
1-6 (No.52135)
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