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I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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Very fast service, best quality of the service manual and the schematics
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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.
1-4. RETRY CAUSE DISPLAY MODE AT RECORD
Outline: � In this mode, a cause of retry at recording can be displayed. Thus, it will help find out a faulty location of the set. � The contents displayed are data quantity stored in D-RAM, retry count, and retry cause. There are displayed with hexadecimal numbers. � From the data quantity in D-RAM, whether data writing, reading, storing, and ejection are executed smoothly can be confirmed. If data writing failed, data quantity will be extremely small. Operating Method: 1. With the power turned on, load a disc (use a disc for recording of which contents may be erased). 2. Press the EDIT/NO button, and �ALL Erase?� is displayed. 3. Press the ENTER/YES button, and a message changes to �ALL Erase??� and numbers in music calendar blink. 4. Press the ENTER/YES button, and �Complete� is displayed. 5. When �Complete� appears, immediately keep pressing the p button for about 10 seconds. 6. When �TOC� on display disappears, release the p button. 7. Press the r REC button to start recording. 8. Press the DISPLAY/CHARACTER button, and the display will changes as follows:
SC
Rt
Data quantity in D-RAM is displayed at all times.
Retry cause is displayed.
Retry count is displayed. A numerical returns to 0 if retry error occurred.
Note: These three kinds of displays are all made with hexadecimal numbers. 9. Though Rt value increments each time retry is made, if an error occurred, �Retry Error� is displayed and retry count returns to 0. 10. To exit from this mode, turn off the TA-EX77 (pre/main amplifier) and after �TOC� display disappeared, disconnect the power cord of TA-EX77 from the power outlet. Using the jig, press the power switch (S408) on the MAIN board in this set to turn off the power.
�5�
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