Tape Path Adjustment - Sony HVR-Z1J Service Manual

Ver. 1.7 2007. 10
The changed portions from
Ver. 1.6 are shown in blue.
2-4-4.

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-5) 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-10).
Channel: DA-033 board, CN107 pin qd (Note1)
EXT. TRIG: DA-033 board, CN107 pin qg
Note1: Connect a 75Ω resistor between pin qd and 2 (GND) of
CN107.
4) Play back the tracking alignment tape (XH 2-1) (Ref. No. J-17).
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. 6-2-8. A.)
If the RF waveform is not flat either at the entrance side or the
exit side (refer to Fig. 6-2-8. B and C), perform the adjustment
of section 4-4-2 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-5) 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.
HVR-Z1J/Z1U/Z1N/Z1E/Z1P/Z1C
Chec this section
(Normal waveform)
Entrance
side
CH1
CH2
(Trigger)
3.3 msec
Entrance side
T reel table
Pinch roller
Capstan
TG7 guide TG6 guide TG5 guide
Tape must run while maintaining contact with the
upper flange. There must not exist a large tape curl.
Capstan
TG7 TG6 TG5
6-111
Exit side
Fig. 6-2-7.
Exit side
Normal
A
Entrance side is defective
B
Exit side is defective
C
Fig. 6-2-8.
S reel table
TG1 guide
Drum
TG3 guide
TG4 guide
TG2 guide
(tension regulator)
FWD TG1
Tape
TG4 TG3 TG2
Fig. 6-2-9.