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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+++++++++++++++++++++++++
FOCUS CUT-OFF, BACKGROUND AND SUB-CONTRAST ADJUSTMENT
(CUTOFF Select P-NORM with controller. R/G/B-cut and B/G-Drive is at initial FOCUS AD2. Using the remote controller, call NORMAL mode.
No. point Adjusting procedure/conditions Waveform and others
DYNAMIC Approx. 1000Vp-p 1 CRT CUTOFF 1. Receive E-5CH "Monoscope Pattern" signal. * Befor doing adjustment, make sure the
JUSTMENT Connect synchroscope to eight pins of BKGD) 3. Turn on service switch, and select the CUT value. L1680 (in T1680. SERVICE OFF BKGD mode at the service mode.
2
power unit) Turning L1680, adjust amplitude of horiMODE I C BUS 4. Select the screen VR 0/10.
1000 ± 50Vp-p
zontal frequency waveform 1000Vp-p. DATA ADJUST5. Press "-/--" key of the remote controller to select MENT the horizontal centering mode. 6. Turn scteen VR clockwise, and adjust the first lighting horizontal centering rasterslighly light. 7. Adjust the CUT OFF data of two other colors, and coarsely adjust the horizontal centering to become white. (Note 1) 8. Turn screen VR in the opposite direction to point where the horizontal centering raster On the monocolor screen of white or green.
V-FREQ.
2 FOCUS AD1. Receive the E-5CH "Monoscope Pattern" signal. goes out.
JUSTMENT 2. Using remote controller, call NORMAL mode. Note 1: Apply adjustment after aging with the FBT FOCUS3. Adjust foccus VR-1(F1) to make the horizonbeam current 1,600±50µA more for 30 min or VR tal line around "575" on bottom left of the more.
screen fine as possible. 9. Press "-/--" key of the remote controller to select
4. Adjust foccus VR-2(F2) to make horizonthe normal mode. 2 WHITE BAL1. Receive E-5CH "Monoscope Pattern" signal. Note1: 5. Repeat item 3 once again to adjust the focus. ANCE BACK2. Select P-NORM with the remote controller. R CUT OFF UP "1"KEY GROUND 3. Connect the beam ammeter between TP1601 and DOWN "4"KEY (CUT TP1602. G CUT OFF UP "2"KEY BKGD) I C 4. Coarsely adjust the beam current to approx. DOWN "5"KEY 2 BUS ADJUST1.8mA with R1622 (Sub-Contrast VR) B CUT OFF UP "3"KEY MENT (RF 5. Receive the window pattern with AV input. DOWN "6"KEY SIGNAL) (PAL burst generated signal generaData up/down is possible with the tor.) above comparison. 6. With data of G-drive and B-drive, adjust the *17,000°K X Y : 0.261 temperature 17,000°K of the white peak to (With Minolta color thermometer CAwhite. 100) 7. Adjust right dark area of the window to Note1: 17,000°K with R-cut off, G-cut off and B-cut off. G-DRIVE UP "7"KEY 8. Read just color temperature at the white peak. DOWN " "KEY 9. Check 17,000°K at the low white. B-DRIVE UP "8"KEY Note1 : Apply this adjustment after aging with the DOWN "0"KEY beam current 1,600±50µA more for 30 min or Data up/Down is possible with the more. above comparison. (On the white or green minocolor screen) * The color temperature is based on the shipment initial setting table. 3 WHITE BAL1. The window pattern is received with DVD signal Note2: ANCE BACK(component signal). Use window pattern of the sigGROUND 2. Apply adjustment in the same manner as item nal generator for adjustment. (CUT OFF DVD 5 of adjustment 2 and the subsequence above. BKGD) I C (17,000°K) (G-DRIVE, B-DRIVE, R-CUT OFF, G2 (PAL, colour burst is generated with BUS ADJUSTCUT OFF, B-CUT OFF) signal generator.) MENT (DVD Apply after the end of adjustment SIGNAL) 2.
tal line around "575" on bottom left of the screen fine as possible.
11
11-1 11-2
29UF200
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