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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.
PRACTICAL SERVICE FIGURE
< TUNER SECTION >
< FM SECTION >
IHF Sensitivity: (THD 3%) Signal to noise ratio: (Input 54dB) Distortion: (Input 54dB) Auto stop level: Stereo separation: Intermediate frequency: 15dB±5dB (at 90MHz) 14dB±5dB (at 98.0/108.0MHz) More than 55dB (at 98.0MHz) Less than 1.5% (at 98.0MHz) 25±10dB (at 98.0MHz) More than 17dB (at 98.0MHz) 10.7MHz
FL (13-ST-36GNAK) GRID ASSIGNMENT/ANODE CONNECTION
< LW SECTION > (K, EZ MODELS)
Sensitivity: 58±5dB (at 144kHz) 55±5dB (at 198kHz) 52±5dB (at 290kHz) More than 25dB (at 198kHz) 450kHz
GRID ASSIGNMENT
Signal to noise ratio: Intermediate frequency:
< DECK SECTION >
Tape speed: Wow & flutter: Distortion: 3000Hz+3%/�2% Less than 0.35% (JIS, R.M.S) Less than 3.0% (PB) Less than 7.0% (REC) More than 40dB (PB) More than 35dB (REC/PB) More than 55dB More than 50dB More than 35dB
< AM SECTION > (LH MODEL)
Sensitivity: (S/N 10dB) 46dB±5dB (at 600kHz) 44dB±5dB (at 999kHz) 42dB±5dB (at 1404kHz) More than 38dB (at 1000kHz) Less than 4.0% (at 1000kHz) 35-60dB (at 1000kHz) 450kHz
Signal to noise ratio: Erasing ratio: Cross talk: Separation:
Signal to noise ratio: (Input 74dB) Distortion: (Input 74dB) Auto stop level: Intermediate frequency:
< MW SECTION > (K, EZ MODELS)
Sensitivity: (S/N 10dB) 46dB±5dB (at 603kHz) 44dB±5dB (at 999kHz) 42dB±5dB (at 1404kHz) More than 38dB (at 999kHz) Less than 3.0% (at 999kHz) 50+10/-15dB (at 999kHz) 450kHz
ANODE CONNECTION
Signal to noise ratio: (Input 74dB) Distortion: (Input 74dB) Auto stop level: Intermediate frequency:
37
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