DCR-TRV40/TRV40E/TRV50/TRV50E
5-2. MECHANISM SECTION2-3. TAPE PATH ADJUSTMENT
ADJUSTMENT
1. Preparation for Adjustment
1) Clean the tape running side (tape guide, drum, capstan shaft,
On the mechanism section adjustment
pinch roller, etc.).
For detail of mechanism section adjustments, checks, and
2) Connect the adjustment remote commander to the LANC jack.
replacement of mechanism parts, refer to the separate volume ODV
3) Turn the HOLD switch of the adjustment remote commander
MECHANICAL ADJUSTMENT MANUAL VI J Mechanism �.
to the ON position.
Note:Before performing the adjustments, check the data of page: 0,
4) Connect an oscilloscope to VC-283 board CN1012 via the CPC-
address: 10 is O00�. If not, set data: 00 to this address.
7 jig (J-6082-382-A).
Channel 1: VC-283 board, CN1012 Pin 2 (Note)
2-1. HOE TO ENTER RECORD MODE WITHOUT
External trigger: VC-283 board,4 CN1012 Pin
CASSETTE
Note:Connect a 75& resistor between Pins 2 of CN1012 and 6
1) Connect the adjustment remote commander to the LANC jack.(GND).
2) Turn the HOLD switch of the adjustment remote commander5) Playback the alignment tape for tracking. (XH2-1)
to the ON position.6) Select page: 3, address: 33, and set data: 08.
3) Close the cassette compartment without the cassette.7) Select page: 3, address: 26, and set data: 31.
4) Select page: 3, address: 01, and set data: 0C, and press the8) Check that the oscilloscope RF waveform is normal at the
PAUSE button of the adjustment remote commander.entrance and exit.
(The mechanism enters the record mode automaticallyIf not nor.)mal, adjust according to the separate volume ODV
Note:The function buttons becomes inoperable.
MECHANICAL ADJUSTMENT MANUAL VI
5) To quit the record mode, select page: 3, address: 01, set data:
J Mechanism �.
00, and press the PAUSE button of the adjustment remote
commander. (Whenever you want to quit the record mode, be
CN1012 of VC-283 board
sure to quit following this procedure.)
Pin No.Signal NamePin No.Signal Name
1N. C.9PANEL VG
2-2. HOE TO ENTER PLAYBACK MODE
2RF MON10GND
WITHOUT CASSETTE
1) Connect the adjustment remote commander to the LANC jack.3RF IN/LANC JACK IN11EVF VCO
2) Turn the HOLD switch of the adjustment remote commander4SWP12GND
to the ON position.5PANEL COM13EVF VG
3) Close the cassette compartment without the cassette.
6GND14EXT DA
4) Select page: 3, address: 01, and set data: 0B, and press the
7H START15LANC SIG
PAUSE button of the adjustment remote commander.
8GND16N. C.
(The mechanism enters the playback mode automatically.)
Note:The function buttons becomes inoperable.Table. 5-2-1.
5) To quit the playback mode, select page: 3, address: 01, set data:
00, and press the PAUSE button of the adjustment r2. Processing after Completing Operations:emote
commander. (Whenever you want to quit the playbac1) Connect the adjustment remote commander to the LANC jackk mode,
be sure to quit following this procedure.)and set the HOLD switch to the ON position.
2) Select page: 3, address: 26, and set data: 00.
3) Select page: 3, address: 33, and set data: 00.
Check this section
Entrance sideExit side
(Normal waveform)
CH1
CH2
(Trigger)
3.3msec
Fig. 5-2-1.
5-44 |
ACEC
SONY
