DCR-TRV24E/TRV25E/TRV27E
5-2. MECHANISM SECTION2-3. TAPE PATH ADJUSTMENT
ADJUSTMENT
1. Preparation for Adjustment
On the mechanism section adjustment
1) Clean the tape running side (tape guide, drum, capstan shaft,
For detail of mechanism section adjustments, checks, and
pinch roller, etc.).
replacement of mechanism parts, refer to the seODVparate volume
2) Connect the adjustment remote commander to the LANC jack.
MECHANICAL ADJUSTMENT MANUAL J Mechanism �.
3) Turn the HOLD switch of the adjustment remote commander
Note:Before performing the adjustments, check the data of page: 0,
to the ON position.
address: 10 is O00�. If not, set data: 00 to this address.
4) Connect an oscilloscope to VC-281 board CN1002 via the CPC-
8 jig (J-6082-388-A).
2-1. HOW TO ENTER RECORD MODE WITHOUT
Channel 1: VC-281 board, CN1002 Pin w; (Note)
CASSETTE
External trigger: VC-281 board,qj CN1002 Pin
Note:Connect a 75& resistor between Pins w; of CN1002 and ql
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 commanderentrance and e.xit.
(The mechanism enters the record mode automaticallyIf not normal, adjust accor.)ding to the separate volume
Note:The function buttons becomes inoperable.
ODV MECHANICAL ADJUSTMENT MANUAL
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
CN1002 of VC-281 board
sure to quit following this procedure.)
Pin No.Signal NamePin No.Signal Name
2-2. HOW TO ENTER PLAYBACK MODE1LANC SIG2N.C.
WITHOUT CASSETTE3N.C.4EVF VG
1) Connect the adjustment remote commander to the LANC jack.5EVF VCO6GND
2) Turn the HOLD switch of the adjustment remote commander7PANEL VG8PD VCO
to the ON position.
9H START10XHD/PSIG
3) Close the cassette compartment without the cassette.
11PANEL COM12TMS (MAKER CHECK)
4) Select page: 3, address: 01, and set data: 0B, and press the
13N.C.14N.C.
PAUSE button of the adjustment remote commander.
(The mechanism enters the playback mode automatically15.N.C.)16GND
Note:The function buttons becomes inoperable.17SWP18RF IN/LANC JACK IN
5) To quit the playback mode, select page: 3, address: 01, set data:
19GND20RF MON
00, and press the PAUSE button of the adjustment remote
commander. (Whenever you want to quit the playback mode,Table 5-2-1.
be sure to quit following this procedure.)
2. Processing after Completing Operations:
1) Connect the adjustment remote commander to the LANC jack
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.
5-39 |
ACEC
SONY
