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There are currently no product reviews.
 ;
have download a number of manuals todate , most are excellant, one or two sometimes a little difficult to read but a least avaialable, great site .
Brad.
;
Excellent had everything I wanted, very happy with purchase
 ;
This service is relatively cheap, document is fast available, schematic is readable.
Thanks.
;
So far I´m a satisfied customer. I have only downloaded "TECHNICS SX-KN470 Service Manual" maybe I will use it later.
Best regards
Peter
;
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.
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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