Product specifications

5 Troubleshooting
5-14 AN17K*/AN17L*
5-2-3 Missing Color
Proper Video levels are
on CN101 (D-Sub) Pin 1, 3 and 5?
Proper Video signal
to all cathodes?
Refer to 5-1-16 No Video.
Yes
Yes
No
Check signal generator.
No
Proper DC voltage to all cathodes?
Check IC101 Pin 17, 20 and 23.
Check IC104.
Yes
Yes
No
G2 voltage is right?
Check T501 and D502, D512.
No
Heater voltage is right?
Check D608, Q604 and T601.
No
Yes
Check D504, Q502 and T501.
No
Yes
Yes
G1 voltage is right?
No
Replace CRT.
Done
22
22
10.0 V (R,G,B, Video)
CH1 P-P = 10.0V CH1 RMS = 17.02V
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CONFIDENTIAL