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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.
AL-841
[6] MACHINE OPERATION
Machine condition READY LAMP 3 GREEN ON 7 LINE SEGMENT LAMP LED OFF ON ON � � � PREHEAT LAMP OFF OFF OFF TONER DRUM JAM CERTRIDGE CERTRIDGE LAMP REPLACEREPLACEMENT LAMP MENT LAMP OFF OFF OFF OFF OFF OFF OFF OFF OFF Copy lamp NOTE
Scanner operation
Scanning cannot be performed. (OFFLINE) Scanning can be performed. (ONLINE) During scan/preview
ON ON OFF
ON ON ON
[7] ADJUSTMENTS, SETTING
ADJ M9 Copy lamp light quantity adjustment � Location value
Range (MIN) Range (MAX) Standard value Default 3.9 V 4.1 V 4.0 V 4.0 V MODE MAIN CODE SUB CODE Normal 63 1 Cycle Condition
�
Enforcement time
JOB No S 004/Ua 001/ P 002 Content When replacing the scanner (copy) lamp control PWB When replacing the copy lamp In case of E7 (05) trouble In case of E7 (04) trouble In case of E7 (12) trouble In case of E7 (15) trouble � Normal copy exposure is not obtained.
Enforcement time
�
Program used
Test command (Simulation)
� �
Job content
Necessary condition
1) The scanner section must be clean.
1) Put an oscilloscope between the check point JP2 (VIN) on the MCU (PCU) PWB and GND. At that time, trigger with the SH (JP3) signal to see the waveform correctly.
JP2 (VIN) JP3 (SH)
JP1 (GND)
2) Execute simulation 63-1. (The copy lamp lights up in the scanner unit home position.) �4�
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