3-12
Alignment and Adjustments
Samsung Electronics
3-3-5 Tape Path Adjustment
3-3-5(a) Preparation for Adjustment
Œ
Clean the tape running surface (Poles, Drum, Capstan Shaft, Pinch Roller).
´
Observe the PB RF signal and Head Switching Pulse on an oscilloscope.
ˇ
Play back the alignment tape.
¨
Check that the waveform of the RF signal is flat at both inlet and outlet(A in Fig. 3-15).
If not flat (B or C in Fig. 3-15), do adjustments 3-3-5(b) through 3-3-5(d).
P1
P2
P3
P4
P5
P7
P6
P8
P9
Fig. 3-16
A
B
C
INLET
OUTLET
NORMAL
DEFECT AT INLET
DEFECT AT OUTLET
Fig. 3-15
Содержание SC-D351
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Страница 83: ...PCB Diagrams Samsung Electronics 9 3 CLK_41 85MHz Œ ˇ ˆ Ø Q708 Q707 Q706 Q704 Q703 Q702 Q701 ...
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