Sony XR-C7220 Service Manual page 18

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• Waveforms
– MAIN Board –
1 IC1 2 (OSC OUT)
0.1 µ s
2 IC501 &¢ (X0A)
30 µ s
3 IC501 (™ (X0)
TE
L 13942296513
270 ns
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– KEY Board –
1 IC901 ^º OSC
1.2 Vp-p
3.6 Vp-p
4.1 Vp-p
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2 9
8
2.7 Vp-p
27 µ s
Q Q
3 6 7 1 3
.
9 4 2 8
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9