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There are currently no product reviews.
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Complete manual as pdf-file in very good quality. Very helpful and fast availability.
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Complete service manual in very good scanning quality with all schematic and PWB graphics as well as assembly & maintenance instructions. A slight drawback is that the rastering of the PWB graphics sometimes makes it a bit difficult to follow fine traces, but no showstopper.
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Purchased the manual that I was looking for at a great price and could download it easily.. Great service experience and for future purchases I plan to use the site. Thank you very much
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Service manual in good quality, it was very helpful to me. Perfect service, I am very satisfied.
Jochen Kelm
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Exellent manual ,it was in great condition,and got all the info i expected,5 stars!!
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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