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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!!!!
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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
INITIALISATION (Important Notice)
When you replace a memory IC (IC802), it is necessary to initialise the IC as following step. 2. Select the desired service item by using the Function button on the remote control handset. 3. Change the data by using the Level + or - button . 4. To return to TV mode press the Recall button on the remote control handset.
A. Initialisation
Press and hold the normalisation button on the remote control handset and press the programme + button P on the TV set. The IC will be initialised automatically to set the following data. User control data Colour : Centre Brightness : Centre Contrast : Maximum Sharpness : Centre Text. Bright : Centre Bass : Centre Treble : Centre Balance : Centre Volume : Step 12 Service data K1 K2 ST ID ATT MAX MIN Manual set data -> +001 -> -001
: +000 : +000 : +000 : +004 : -096 : +010
Service mode description K1, K2 : For adjustment of stereo separation ST ID : Mode setting for A2 stereo judgement +000 : Fast mode +001: Normal mode +002: Fast -> normal mode ATT : Attenuation of FM sound To equalise sound levels between FM and Nicam. MAX : Setting of sensitivity for switching Nicam to FM mode MIN : Setting of sensitivity for switching FM to Nicam mode. SCREEN: For screen adjustment To make one horizontal scanning line.
-> ->
-050 -075
The initialised service data of items K1, K2, MAX and MIN should be modified to the manual set data shown above. For how to modify, refer to next step.
NOTE: The items K1, K2, ST ID and ATT are invalid adjustments for a model which does not have an A2 stereo decoder. The items MAX and MIN are invalid adjustmens for a model which does not have a Nicam decoder. These items allow modifications to the set data, but there is no effect in performance.
B. Service Mode
1. To enter the service mode, press and hold the Function button on the remote control handset and press the programme + button P on the TV set. The following OSD appears on the screen. ADJUST K1 K2 ST ID ATT MAX MIN SCREEN CPU Ver DATA +000 -006 +000 +004 -050 -075 VOL 1.0
-10F7KLV
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