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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
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Wanting to repair a neighbours tape recorder I needed the necessary information, it makes it easier. Although the service manual is described as "Language : English" To my dismay I found that it is entirely written in German, a language I do not understand. At least I now have the schematics which will help of sorts. I may not use this service again due to the laguage difficulty after all when it states English you do not expect it to be entirely in another language.
1-1-2. Precautions 1. Switch settings Adjust the switches to the following positions without loading the cassette tape unless otherwise specified. 1) Camera/video power switch Operation switch block ·············································· Camera 2) PROGRAM AE switch (CF-44 board S416) ··············· AUTO 3) D ZOOM switch (MENU) ··············································· OFF 4) STEADY switch (CF-44 board S403) ····························· OFF 2. Adjustment sequence Adjust in the given order. 3. Subject 1) Set the camera and pattern box as shown in Fig. 6-1-2. 2) Color bar chart (Standard picture frame) � Adjust the picture frame as shown in Fig. 6-1-3. � Adjust camera zooming and direction until the camera output waveform on the oscilloscope shown in Fig. 6-1-3 (a) and the color picture on the monitor TV shown in Fig. 6-1-3 (b) have been acquired. � Maintain this setup until adjustment is complete.
3)
White pattern (Standard picture frame) Remove the color bar chart from the pattern box and adjust the camera setup until the white pattern picture frame is the same size and same position as the color bar chart (the standard picture frame).
Fig. 6-1-2
Adjust camera zooming and direction to obtain the output waveform shown in Fig. �a� and the TV monitor display shown in Fig. �b�. Fig. 6-1-3 4) Chart for flange back adjustment Join together a piece of white A0 size paper (1189mm � 841 mm) and a piece of black paper to make the chart shown in Fig. 6-1-4.
Note : Use a non-reflecting and non-glazing vellum paper. The size must be A0 or larger and the joint between the white and black paper must not have any undulations.
Fig. 6-1-4
6-2
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