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F20
NG1 in the PG Shifter Automatic Adjustment
(The cylinder rotation is unstable during the
automatic adjustment.)
F21
NG2 in the PG Shifter Automatic Adjustment
(The vertical sync signal is lacked while over
5 seconds on the alignment tape.)
F22
NG3 in the PG Shifter Automatic Adjustment
(The installing position of Heads to the
cylinder is our of specification.
F23
NG4 in the PG Shifter Automatic Adjustment
(The servo is not locked to the cylinder for
more than 10 sec.)
NOTE:
After replacing the DD Cylinder, the Tape Interchangeability adjustment (X-Value Adjustment, P2
and P3 Posts Adjustment) shown below should be performed after the PG Shifter Automatic
Adjustment.
3.3.3. CIRCUIT BOARD LAYOUT
4. ABBREVIATIONS
5. INPUT / OUTPUT CHART FOR IC6001
6. WAVEFORM TABLE & VOLTAGE CHART
6.1. WAVEFORM TABLE
26
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