Zenith Z-100 PC series Service Manual page 124

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IRQS 23 6
123 IRS OS AI2
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IRQ6
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122 IR6 D6 AI3
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IRQ7
25 4
.......
121 IR7 D7 AI4
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AI5
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INTR
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SH5 CS CASI
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AI6
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114
RD CASI
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II II II II 14 12 I 21
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