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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.
3.8 n
Receiver Volume Adjustment (applicable to the American version only) Function The HIGH level of the handset receiver's volume will be influenced by the characteristics of the FET on the main PCB, so it requires fine adjustment according to the procedure given below.
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Operating Procedure (1) Connect the telephone line cord to the modular jack of the facsimile equipment and the telephone wall socket. (2) Pick up the handset and listen to the dial tone. If the receiver volume is not appropriate, proceed to the following steps: (3) Press the 1 and 6 keys in this order in the initial stage of the maintenance mode. The LCD shows the current receiver volume (default: HIGH). (4) If the current receiver volume is not HIGH, use the right or left arrow key to choose HIGH. (5) Press the Start key. The equipment enters the receiver volume adjustment mode and shows the PWM duty ratio at the right end of the LCD. (6) Adjust the receiver volume by using the 1, 3, 4, or 6 key. 1 key: Decrease 10H 3 key: Increase 10 H 4 key: Decrease 1H 6 key: Increase 1H (7) To escape from the receiver volume adjustment mode, press the Set key. The LCD shows the "PWM SETTING." One second later, the LCD returns to the screen shown in step (3). (8) To return the equipment to the initial stage of the maintenance mode, press the Stop key.
V - 57
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