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It was just what I needed. Thanks for your quick action and great price. You guys are top notch.
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Excellent manual, complete, great resolution, easy to read especially the schematics. Thank you !
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Fast delivery, excellent resolution and complete. And above all, the best price ever !
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Nordmende Galaxy Mesa 9000 geholfen. Ich kann diesen Service bestens weiterempfehlen
A very good service.
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everything i needed. it was easy to get. and this site is now my go to site for manuals.
TROUBLESHOOTING HINTS
1. No Character
No Character
Are the Contrast & Brightness Controls in OSD menu maximum? Yes
No
Change the Contrast & Brightness control value to maximum
Is whole screen bright? Yes
No No Raster
Refer to No Raster
Is CRT Cathode (Rk, Gk, Bk) signal level normal? No
Yes Rk, Gk, Bk About 45Vpp
Check the peripheral circuit of CRT
Is the output signal of the (pin 14, 16, 19) pre-amp IC801, normal?
Yes
Check the video output circuit, IC801(pin 5, 7, 9) and its ambient circuit
No Is 12Vdc line normal? Yes Is clamping pulse (pin 12 of IC801) normal? Yes No 12Vpp Check the clamping pulse circuit No Trouble in 8Vdc line of the Main PWB
Is input signal normal? Yes Trouble in IC801 and its ambient circuit
No
Check the signal cable
14
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