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4.1
Section 4
TROUBLESHOOTING AND MAIOTENANCE
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE REMEDY
1.
Scr'jon Ig dark
2.
Loss of video
3.
Power consumption is to high
Check "A" bus Q106, Q105, CR2
CR105, QlOl
Check horizontal drive waveform;
Check proper placement of horizontal
linearity sleeve; Q105, Q106
The voltage waveforms are shown in Fig. 1, and Fig. 2 is the interconnecting
cabling diagram.
Figure 3 shows the circuit board component locations.
A-9
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