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Good manual. It is complete and of high quality, both text and graphics. The schematics are with the original big size, so it can be viewed or printed without any loss of resulution and sharpness.
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We needed a manual quickly...online it was available immediately, at a very low price. We loved the convenience!
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Excellent!!
Got what I need and very fast!!
Thank You
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One address for rare manuals.Very good copy. Thank you.
Your
Klaus Husse
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All ok. I pay 5 $ and now i have 92 pages of good scaned service manual for my oooooold akai. Now i will try to repair it.
TROUBLESHOOTING HINTS
1. No Character
No Character
Are the Contrast & Brightness Controls maximum Yes
No
Change the Contrast & Brightness control 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 Board
Is the output signal of the (pin 21, 24, 26) pre-amp (IC801, KA2500) normal? No Is 12Vdc line normal? Yes Is clamping pulse (pin 18 of IC801) normal? Yes
Yes
Check the video output circuit and IC802 (pin 4, 10, 12) and their ambient circuit
No
Trouble in 12Vdc line
No
Check the clamping pulse circuit
Is input signal normal? Yes Trouble in IC801 and its ambient circuit
No
Check the signal cable
15
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