Sony HVR-M10C, Руководство по обслуживанию

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6-48
HVR-M10C/M10E/M10J/M10N/M10P/M10U
1-4-4. Tape Path Adjustment
4-4-1. Adjustment Preparation
1) Clean the tape running surface (tape guides, drum, capstan,
pinch roller) referring to section 3-2-2.
2) Connect the adjustment remote commander (Ref. No. J-1) to
the LANC terminal of the machine. Set the HOLD switch to
ON.
3) Connect an oscilloscope to CN107 of the DA-033 board via
the CPC-8 jig (Ref. No. J-2).
Channel: DA-033 board, CN107 pin
qd
(Note1)
EXT. TRIG: DA-033 board, CN107 pin
qg
Note1: Connect a 75
Ω
resistor between pin
qd
and
2
(GND) of
CN107.
4) Play back the tracking alignment tape (XH 2-1) (Ref. No. J-8).
5) Select page: 3, address: 33 and set data: 08.
6) Select page: 3, address: 26 and set data: 31, and press the PAUSE
button.
7) Confirm that the RF waveform on the scope is flat at both of
the entrance side and the exit side. (Refer to Fig. 6-1-8.
A
.)
If the RF waveform is not flat either at the entrance side or the
exit side (refer to Fig. 6-1-8.
B and C ), perform the adjustment
of section 1-6-2 and later.
8) When the required conditions of step 8) are satisfied, perform
[Required Work upon Completion of Adjustment] as described
below upon completion of adjustment/check.
[Required Work upon Completion of Adjustment]
1)
Connect the adjustment remote commander (Ref. No. J-1) to
the LANC terminal of the machine. Set the HOLD switch to
ON.
2) Select page: 3, address: 26 and set data: 00, and press the PAUSE
button.
3) Select page: 3, address: 33 and set data: 00.
CH1
CH2
(
Trigger)
Chec this section
(Normal waveform)
Entrance
side
Exit side
3.3 msec
A
Normal
B
Entrance side is defective
C
Exit side is defective
Entrance side Exit side
T reel table
Pinch roller
Capstan
Capstan
TG7 guide
FWD
TG3 guide
TG4 guide
TG2 guide
(tension regulator)
TG1 guide
TG1
TG3 TG4 TG5 TG6 TG7 TG2
Tape must run while maintaining contact with the
upper flange. There must not exist a large tape curl.
TG6 guide TG5 guide
S reel table
Drum
Tape
Fig. 6-1-7.
Fig. 6-1-8.
Fig. 6-1-9.