5-2. MECHANICAL SECTION
ADJUSTMENT
Mechanism Parts Adjustments2-2. TAPE PATH ADJUSTMENT
For details on the adjustments and checks of mechanical section1.Preparations for adjustments
and replacements of mechanism parts, refer to the separ1) Clean the tape paate volume-th face (tape guide, drum, capstan shaft, pinch
O8 mm Video Mechanism Adjustment Manual B Mechanism �.roller).
2) Connect the adjusting remote commander to the LANC
2-1. OPERATING WITHOUT A CASSETTEterminal.
3) Turn on the HOLD switch of the adjusting remote commander.
1) Refer to OSection 2 DISASSEMBLY� and supply the po4) Select page: 0, address: 01, and set data: 01.wer
with the cabinet removed. (So that the mechanical dec5) Select pagk can bee: F, address: 29, and set data: 04 and press the PAUSE
operated.)button of the adjusting remote commander.
2) Connect the adjusting remote commander to the LANCBe sure to perform OProcessing after operations� after
( )
terminal.completing adjustments.
3) Turn on the HOLD switch of the adjusting remote commander6) Connect the oscilloscope..
4) Close the cassette compartment without loading a cassette andChannel 1: Pin 6 of CN207 of VC-197 board
complete loading.External trigg3er: of CN207 of Pin VC-197 board
5) Set page: 0, address: 01, data: 01.Connect the oscilloscope via the CPC-7 jig
( )
6) Set page: F, address: 29, data: 01 and press the P(J-6082-382-A).AUSE button
of the adjusting remote commander.7) Playback the alignment tape for tracking.
7) Set page: D, address: 10, data: 04 and press the PWR5-1NP:AUSE buttonFor NTSC model (GV-A500)
of the adjusting remote commander.WR5-1CP: For PAL model (GV-A500E)
8) Disconnect the power supply of the unit.8) Check that the RF waveform of the oscilloscope is flat at both
the entrance and the exit.
By carrying out the above procedure, the unit can be operated withoutIf not flat, perform necessary adjustment according to the
loading a cassette.separate O8 mm Video Mechanical Adjustment Man (Bual
Be sure to carry out OProcessing after Operations� after checkingMechanism)�.
the operations.9) Perform OProcessing after operations�, after completing
Set the data of page: D, address: 10 to the following if the sensoradjustments.
ineffective mode, forced PLAYER (VTR) power supply ON mode
or forced camera power supply ON mode are to be used togCN207 of etherVC-197 boar.d
Forced VTR power supply ON mode áááááááááááááááááááááááááááááááááPin No. Signal Name06Pin No.Signal Name
1PB PCM RF9EZ I/O
[Processing after Operations]
2REC RF10
1) Set page: 0, address: 01, data: 01.
3RF SWP11VGL-19V
2) Set page: F, address: 29, data: 00 and press the PAUSE button
4CAP FG12
of the adjusting remote commander.
3) Set page: D, address: 10, data: 00 and press the P5 AUSE bREG GNDutton13
of the adjusting remote commander.6PB RF14BPF MON
4) Set page: 0, address: 01, data: 00 .
7RF AGC IN15RF AGC OUT
5) Disconnect the power supply of the unit.
8REC AFM16AFC FO
[Processing after operations]
1) Connect the adjusting remote commander, and turn on the
HOLD switch.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: F, address: 29, and set data: 00.
4) Press the PAUSE button of the adjusting remote commander.
5) Select page: 0, address: 01, and set data: 00.
6) Remove the power supply from the unit.
Must be flat
Fig. 5-2-1.
5-11 |