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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.
MZ-NH700/NHF800
Ver 1.1
6. OVERALL ADJUSTMENT MODE 6-1. Operation of The Overall Adjustment Mode 1. Enter the test mode (Display Check mode). 2. Press the [VOL--] key to activate the Overall Adjustment mode where the LCD displays as shown below.
Display
6-2. Error Message in The Overall Adjustment Mode In the Overall Adjustment mode, if an error occurred, it displays as following table.
Display Close! DfDis! NoChg! NoTmp! NotCD! NotM1! NotH3! ****NG Description Dose not close the lid Unsuitableness disc was inserted Does not finish the charge function check Does not setting the temperature correction value Does not complete the CD Overall adjustment beforethe MD1 Overall adjustment Does not complete the MD1 Overall adjustment before the Hi-MD3 Overall adjustment Does not complete the Hi-MD3 Overall adjustment before the Stray Light Offset Overall adjustment Error of item number �****�
0 AdjF**
Disc mark: Lit the inner segments: Completed the power supply adjustment. Lit the outer segments: Completed the charge function check. �**�: If �DF� or �FF� is displayed, it mean that completed the servo overall adjustment.
3. To quit the Overall Adjustment mode, press the return to the Display Check mode. Flow of overall adjustment mode:
Overall Adjustment Mode
x
key and 7. SELF-DIAGNOSIS RESULT DISPLAY MODE This set uses the self-diagnostic function system in which if an error occurred during the recording or playing, the mechanism control block and the power supply control block in the microcomputer detect it and record its cause as history in the nonvolatile memory. By checking this history in the test mode, you can analyze a fault and determine its location. Total recording time is recorded as a guideline of how long the optical pick-up has been used, and by comparing it with the total recording time at the time when an error occurred in the selfdiagnosis result display mode, you can determine when the error occurred. Clear the total recording time, if the optical pick-up was replaced. 7-1. Operation of The Self-Diagnosis Result Display Mode 1. Enter the test mode (Display Check mode). 2. Press the > key to activate the Self-Diagnosis Result Display mode where the LCD displays as shown below.
Display
0 AdjF**
CD Overall Adjustment Mode
. key x key
*** CD Run
MD1 Overall Adjustment Mode
> key x key
*** MD1Run
Hi-MD3 Overall Adjustment Mode
[VOL +] key x key
*** HM3Run
Stray Light Offset Overall Adjustment Mode
*** $$####
�***� : Error code �$$� : Error history code �###� : Total recording time
[VOL --] key x key
*** OfsRun
Optical Pick-up Operation Check Mode
3. To quit the Self-Diagnosis Result Display mode, press the and return to the Display Check mode.
x
key
[GROUP] key x key [T MARK] key
000 OPChk
Initialize The Adjustment Values
or [REC] switch
x key
911 ResOK?
(rotation)
14
 $4.99 MZNH700 SONY
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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