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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.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
9. At this time, Re-check that Horizontal line is white. If not, Re-adjust Cut-off Adjustment until the Horizontal Line becomes pure white. 10. Turn off and on again to return to normal mode. Receive APL 100% white signal and Check Chroma temperatures become 9200K (x: 286 / y: 294)±3%. Note: Confirm that Cut Off Adj. is correct after this adjustment, and attempt Cut Off Adj. if needed.
4. Press [VOL o / p] button on the service remote control unit and select �U-Offset YUV (Magenta)� mode. 5. Press [CH o / p] buttons so that the waveform of the �U-Offset YUV (Magenta)� mode is equal to the waveform of the �U-Offset YUV (Cyan)� mode.
16. V-Offset YUV
1. In VIDEO mode (white 50%) of YUV, press [3] button on the service remote control unit and select �V-Offset YUV� mode. (Display change �UOffset�, �V-Offset�, �U-Offset YUV� and �V-Offset YUV� cyclically when [3] button pressed.) 2. Press [VOL o / p] button on the service remote control unit and select �V-Offset YUV (Cyan)� mode. 3. Check the waveform of the base of Q1511 on the CRT CBA with the oscilloscope. 4. Press [VOL o / p] button on the service remote control unit and select �V-Offset YUV (Magenta)� mode. 5. Press [CH o / p] buttons so that the waveform of the �V-Offset YUV (Magenta)� mode is equal to the waveform of the �V-Offset YUV (Cyan)� mode.
13. U-Offset
1. In VIDEO mode (white 50%) of V1 or V2, press [3] button on the service remote control unit and select �U-Offset� mode. (Display change �UOffset�, �V-Offset�, �U-Offset YUV� and �V-Offset YUV� cyclically when [3] button pressed.) 2. Press [VOL o / p] button on the service remote control unit and select �U-Offset (Cyan)� mode. 3. Check the waveform of the base of Q1531 on the CRT CBA with the oscilloscope. 4. Press [VOL o / p] button on the service remote control unit and select �U-Offset (Magenta)� mode. 5. Press [CH o / p] buttons so that the waveform of the �U-Offset (Magenta)� mode is equal to the waveform of the �U-Offset (Cyan)� mode.
14. V-Offset
1. In VIDEO mode (white 50%) of V1 or V2, press [3] button on the service remote control unit and select �V-Offset� mode. (Display change �UOffset�, �V-Offset�, �U-Offset YUV� and �V-Offset YUV� cyclically when [3] button pressed.) 2. Press [VOL o / p] button on the service remote control unit and select �V-Offset (Cyan)� mode. 3. Check the waveform of the base of Q1511 on the CRT CBA with the oscilloscope. 4. Press [VOL o / p] button on the service remote control unit and select �V-Offset (Magenta)� mode. 5. Press [CH o / p] buttons so that the waveform of the �V-Offset (Magenta)� mode is equal to the waveform of the �V-Offset (Cyan)� mode.
15. U-Offset YUV
1. In VIDEO mode (white 50%) of YUV, press [3] button on the service remote control unit and select �U-Offset YUV� mode. (Display change �UOffset�, �V-Offset�, �U-Offset YUV� and �V-Offset YUV� cyclically when [3] button pressed.) 2. Press [VOL o / p] button on the service remote control unit and select �U-Offset YUV (Cyan)� mode. 3. Check the waveform of the base of Q1531 on the CRT CBA with the oscilloscope.
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L4905EA
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