|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Quick response.
Good quality.
Not large price of documents.
Thanks.
Dzięki.
;
All ok:
Good quality.
Quick response.
Not large price of documents.
Thanks
;
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.
;
Exactly the JVC service manual and schematics that I was looking for - delivered just hours after order. Will do business again!
;
This is a fantastic site, ad I have been a returning satisfied cusumer!
Thanx for a great sevice!
28JF-76E
Vertical bow Adjust the Vertical bow so that the picture is centred. The effect of this adjustment is shown in Figure 12. � When the volume up button is pressed, the vertical bow changes to left. � When the volume down button is pressed, the vertical bow changes to right. � Press the stand-by button on the remote control to store. Vertical size Adjust the Vertical size so that 8% over-scan is achieved. The effect of this adjustment is shown in Figure 13. � When the volume up button is pressed, the vertical size of the picture increases. � When the volume down button is pressed, the vertical size of the picture decreases. � Press the stand-by button on the remote control to store. Vertical S-correction Adjust the Vertical S-correction so that the picture symmetrical between the top, centre and bottom. The effect of this adjustment is shown in Figure 14. � When the volume up button is pressed, the top and bottom scanning decreases and the centre scanning increases. � When the volume down button is pressed the top and bottom scanning increases and the centre scanning decreases. � Press the stand-by button on the remote control to store. Vertical Shift Adjust the Vertical Shift so that the picture is centred. The effect of this adjustment is shown in Figure 15. � When the volume up button is pressed, the picture moves up. � When the volume down button is pressed, the picture moves down. � Press the stand-by button on the remote control to store. Figure 14 Figure 13 Figure 12
Figure 15
G2 Adjustment
Follow the procedure below to set the G2: 1. Tune the set to the output of a signal generator (Cross-Hatch pattern). 2. In the user menu, set contrast to 80/100 and brightness to 40/100. 3. Connect the oscilloscope to the RED catode of cathode tube (pin 8 of CRT socket) and adjust G2 to read 150V on the sensor pulse as in Figure 16.
150 V
CH1 gnd
Note: Oscilloscope should be adjusted for vertical TV field trigger and synchronized with video signal.
Figure 16
10
|
|
|
> |
|
