Tape Path Adjustment - Samsung VP-D73 Service Manual

2. 조정 영문 2001.7.4 2:7 PM 페이지2-6

2-5 Tape Path Adjustment

2-5-1 Preparation for Adjustment
1. Clean the tape running surface(Poles,
Drum, Capstan Shaft, Pinch Roller).
2. Refer to the Service Manual(page 5-1).
Observe the PB RF signal and Head
Switching Pulse on an oscilloscope.
3. Play back the alignment tape.
4. Check that the waveform of the RF s i g n a l
is flatat both inlet and outlet(Fig. 2-7 A)
If not flat (B or C in Fig 2-7), do
adjustments 2-5-2 through 2-5-5.
S Reel
2-6
P 3
P 1 P 2
fig 2-8
Inlet
outlet
Ⓐ Normal
Ⓑ Defect at inlet
Ⓒ Defect at outlet
Fig 2-7
P 5
P 7
P 6
T Reel
Samsung Electronics