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Yes, cost is low. And quality of some diagrams is low too.
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Quick response.
Good quality.
Not large price of documents.
Thanks.
Dzięki.
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All ok:
Good quality.
Quick response.
Not large price of documents.
Thanks
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The manual was complete and extremely helpful in both diagnosing the problem I was having as well as fixing it. Excellent quality. I will getting additional manuals in the future.
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Exactly the JVC service manual and schematics that I was looking for - delivered just hours after order. Will do business again!
3. SERVO SYSTEM CHECK 3-1. RF Switching Position Adjustment (MA-341 Board) [Adjustment Purpose] To adjust the link of the A-ch and B-ch of the tape playback outputs. To make the unit compatible with other tapes and units. If this specification is not satisfied, the link will appear on the screen and the screen will be disrupted, etc. Mode Signal Measurement point Playback Alignment tape: SP color bar portion CH1: CN270 pin 2 (PB RF) CH2: CN270 pin 3 (RF SWP) Oscilloscope REMOCON CH+/� A=minimize
4. AUDIO SYSTEM ADJUSTMENT � Adjust both L ch and R ch. [Connecting Instruments]
Audio line OUTPUT L/R Audio line INPUT L/R Audio oscillator 600 � Attenuator VTR Audio level meter or distortion meter 47 k�
Measuring instrument Adjusting element Specified value
Fig. 6-2-4
4-1. Hi-Fi Audio System Adjustment (Hi-Fi model only) � Perform the adjustment setting the switch on the following positions. � AUDIO MONITOR ..................................................... STEREO [Adjustment Method] 1. ACE head adjustment.....Refer to the VHS mechanical adjustment manual (S MECHANISM)(9-921-647-11). 2. E-E output level check 3. �Recording Bias Adjustment�
[Adjustment Method] 1) Playback the alignment tape. 2) Short JS401 to Ground. 3) Check that �A P� is indicated on FL display. 4) Adjust so that part A becomes minimized at CH +/�. 5) Write data in EEPROM by pressing PAUSE button. Monoral model: 6) The display �A P� disappears and then the Adjustment mode terminates. Hi-Fi model: 6) The display changes to �A H� and the mode goes to the HiFi switching position Adjustment.
A CH1 PB RF CH2 RF SWP
Fig. 6-2-3
6-3
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