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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
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This schema available for me in good condition. I would highly recommend.
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Thanks for this "hard to find" service manual.
I apreciate the good quality of scanning and the pages scanned in A3 format.
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Helpd me mont a new carradio when prewius mont was a mess.
n 1-27. ITC (Integrated Tube Component) adjustments
The following ITC adjustments should be made only when a new picture tube is installed, or convergence is poor. All set-up adjustments above-mentioned must be completed before any further ITC adjustment is attempted. Receive an entire white raster signal and turn ON the Power Switch. Perform adjustment after a warm-up of at least an hour. Perform the following adjustments by setting H-convergence and V-convergence to center indication. Notes: See Chapter 5 concerning parts list for the ITC adjustments.
* PURITY MAGNET should not be turned during the ITC adjustments.
< Top view >
XV
< Side view >
PURITY MAGNET* 4-POLE MAGNET 6-POLE MAGNET
YV(a)
+
Yh(t)
+
TRD XV
+
DEFLECTION YOKE
ê
CRT face
DIFFERENTIAL COIL
SEPARATOR
LOCKING RING BOW MAGNET
1-27-1. LANDING correction
Landing meter setting: l Mode Select Switch: Monitor Normal Note: Mode Select Switch should be set before turning on the power switch of the landing meter. l Volt: 2V l Time: 50ms l Gain: 7 l Unit: % for LND-070, 0.8µm (1%=0.8µm) for LND-072 1) Face the CRT screen to east and set it vertically. 2) Degauss the entire screen with degausser. è See "EXTERNAL DEGAUSS". 3) Select DEGAUSS and press the MENU Button. 4) Receive an entire green signal. 5) Adjust the horizontal size to make it full-scan. 6) Apply the landing meter to TL (top-left), TR (top-right), BL (bottom-left) and BR (bottom-right) in the right hand side figure. 7) Confirm that "H" reading of the landing meter is within ±20% at each point. 8) Adjust rrc with the front buttons so that the "H" reading difference between T (top) and B (bottom) in the right hand side figure is as follows: | T-B | = ±3%. 9) Adjust Bottom-right, Top-right, Top-left and Bottom-left respectively with the front buttons so that "H" reading of the landing meter at each point is as follows: TL: �8 to �2% TR: +2 to +8% BL/BR: �3 to +3% - 13 20mm
TL
T B
TR
20mm
BL
BR
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