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Fig. 5-12
Fig. 5-13
Tape slack
Capstan
No.6 guide
(TG6)
(TG6)
No.7 guide
(TG7)
(TG7)
Capstan
Drum
Pinch roller
No.7 guide
(TG7)
(TG7)
No.6 guide
(TG6)
(TG6)
No.3 guide
(TG3)
(TG3)
No.1 guide
(TG1)
(TG1)
5-4-5-2. Rise-up Check (Refer to Fig. 5-12)
1)
Playback the tracking alignment tape WR5-1NP (NTSC), WR5-
1CP (PAL)(Ref. No. J-5).
1CP (PAL)(Ref. No. J-5).
2)
Turn OFF the Track Shift mode.
3)
Eject the cassette tape once. Then insert the cassette tape for
loading again.
loading again.
4)
Confirm that the RF waveform rises up to the flat envelope
within 3 seconds after the machine enters the PLAY mode.
Check also that the tape slack does not occur at around the
pinch roller.
within 3 seconds after the machine enters the PLAY mode.
Check also that the tape slack does not occur at around the
pinch roller.
5)
Run the tape in the CUE/REV and the FF/REW mode. Then
playback the tracking alignment tape and confirm the RF
waveform rises up to the flat envelope within 3 seconds after
the machine enters the PLAY mode. Check also that the tape
slack does not occur at around the pinch roller.
playback the tracking alignment tape and confirm the RF
waveform rises up to the flat envelope within 3 seconds after
the machine enters the PLAY mode. Check also that the tape
slack does not occur at around the pinch roller.
6)
Repeat the above steps 3) to 5) once again for re-check.
5-4-5-3. Tape Run Check (Refer to Fig. 5-13)
1)
Play back a thin tape such as P6-120MP.
Check if tape floats or not, and check if tape curl occurs or not
as follows.
No. 3 (TG3) tape guide’s top flange side,
No. 6 (TG6) tape guide’s top flange side,
No. 7 (TG7) tape guide’s top and bottom flange sides
Check if tape floats or not, and check if tape curl occurs or not
as follows.
No. 3 (TG3) tape guide’s top flange side,
No. 6 (TG6) tape guide’s top flange side,
No. 7 (TG7) tape guide’s top and bottom flange sides
Specified value:
• Floating of tape from the flange: There must be no floating
• Floating of tape from the flange: There must be no floating
of tape from the flange.
• Tape curl:
No. 3 (TG3) and No. 7 (TG7)
t Less than 0.8 mm
No. 6 (TG6)
t Less than 1.3 mm
2)
Press the REW button to enter the REV mode.
Check if tape floats or not, and check if tape curl occurs or not
as follows.
No. 3 (TG3) tape guide’s top flange side,
No. 6 (TG6) tape guide’s top flange side,
No. 7 (TG7) tape guide’s top and bottom flange sides
Check if tape floats or not, and check if tape curl occurs or not
as follows.
No. 3 (TG3) tape guide’s top flange side,
No. 6 (TG6) tape guide’s top flange side,
No. 7 (TG7) tape guide’s top and bottom flange sides
Specified value:
• Floating of tape from the flange: There must be no floating
• Floating of tape from the flange: There must be no floating
of tape from the flange.
• Tape curl:
No. 3 (TG3) and No. 7 (TG7)
t Less than 0.8 mm
No. 6 (TG6)
t Less than 1.3 mm
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