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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!!!!
KX-FP205
6.5.3.
Paper Top Sensor (SW1001)
When the recording paper is loaded on the print head or the recording paper cover is opened, the paper top sensor SW turns ON, and the input signal of IC501-21 pin (Digital Board) becomes a low level. Usually, the SW turns OFF, and the input signal of IC50121 pin (Digital Board) becomes a high level.
SW Set recording paper or paper cover is opened No recording paper or paper cover is closed ON OFF
Signal (IC501-21 pin) Low level High level
6.5.4.
Cover Open Sensor (SW1001)
When the u-TURN BLOCK is closed, the SW becomes ON, and the input signal of IC501-131 pin (Digital Board) becomes a low level. When the cover is opened, the SW becomes OFF, and the input signal of IC501-131 (Digital Board) pin becomes a high level.
SW Cover is opened Cover is closed OFF ON
Signal (IC501-131 pin) High level Low level
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