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I received a good service manual, with good resolution. Improve the instructions for the purchase because they are not well understood.
For the rest, so good.
Thanks Angel.
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Very good documentation for the Grundig 2077 model (as well as similar 800/900/1000 series radios). The first two pages are a summary of reception specifications and output capability. The third page is the tuner dial indicator and dial cord routing diagram. the final ~5 pages are the schematics for the various models (including 2077). The scan quality of the schematics are good, adn can be easily read if zoomed in. The documents are in German, not English as stated. It would have been nice to have the tuning sequence and settings, and some trouble shooting materials... or component and wiring map.
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Perfect like it was descriped, Perfect like it was descriped
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Very good detail, all pages clear, exactly what I needed
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Excellent service, and just what I needed to service my TU-7700. All pages of the manual are clear and easily readable.
Electrical Alignments
8.4.4 OPT. NO. (Option numbers) Select this sub menu to set all options at once (expressed in two long strings of numbers). An option number (or option byte) represents a number of different options. When you change these numbers directly, you can set all options very fast. All options are controlled via eight option numbers. When the EAROM is replaced, all options will require a resetting. To be certain that the factory settings are reproduced exactly, you must set both option number lines. You can find the correct option numbers on a CRT sticker inside the TV set. Example: The CRT sticker gives the following option numbers: 04187 08526 50001 00000 04182 00001 00000 00070 The first line (group 1) indicates options 1 to 4, the second line (group 2) options 5 to 8 (see tables below). Every 5-digit number represents 16 bits (so maximum number can be 65536 if all options are set). When all the correct options are set, the sum of the decimal values of each Option Byte (OB) will give the option number.
EM5.1E
8.
EN 109
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