Mechanism Section Adjustment; How To Enter Record Mode Without; Cassette; How To Enter Playback Mode Without - Sony DCR-VX2000 Service Manual

5-2. MECHANISM SECTION
ADJUSTMENT
On the mechanism section adjustment
For details of mechanism section adjustments, checks,
and replacement of mechanism parts, refer to the separate
volume "DV MECHANICAL ADJUSTMENT MANUAL
C Mechanism ".
2-1.

HOW TO ENTER RECORD MODE WITHOUT

CASSETTE

1) Connect the adjustment remote commander to the LANC jack.
2) Turn the HOLD switch of the adjustment remote commander
to the ON position.
3) Close the cassette compartment without the cassette.
4) Select page: 3, address: 01, set data: 0C, and press the PAUSE
button of the adjustment remote commander.
(The mechanism enters the record mode automatically.)
Note: The function buttons become inoperable.
5) To quit the record mode, select page: 3, address: 01, set data:
00, and press the PAUSE button of the adjustment remote
commander. (Whenever you want to quit the record mode, be
sure to quit following this procedure.)
2-2. HOW TO ENTER PLAYBACK MODE
WITHOUT CASSETTE
1) Connect the adjustment remote commander to the LANC jack.
2) Turn the HOLD switch of the adjustment remote commander
to the ON position.
3) Close the cassette compartment without the cassette.
4) Select page: 3, address: 01, set data: 0B, and press the PAUSE
button of the adjustment remote commander.
(The mechanism enters the playback mode automatically.)
Note: The function buttons become inoperable.
5) To quit the playback mode, select page: 3, address: 01, set data:
00, and press the PAUSE button of the adjustment remote
commander. (Whenever you want to quit the playback mode,
be sure to quit following this procedure.)
2-3.

TAPE PATH ADJUSTMENT

1. Preparation for Adjustment

1) Clean the tape running side (tape guide, drum, capstan shaft,
pinch roller, etc.).
2) Connect the adjustment remote commander to the LANC jack.
3) Turn the HOLD switch of the adjustment remote commander
to the ON position.
4) Connect an oscilloscope to VC-242 board CN007 via the CPC-
13 jig (J-6082-443-A).
Channel 1: VC-242 board, CN007 Pin 2 (Note)
External trigger: VC-242 board, CN007 Pin 3
Note: Connect a 75 Ω resistor between pins 2 of CN007 and 1
(GND).
75 Ω resistor (Parts code: 1-247-804-11)
5) Playback the alignment tape for tracking. (XH2-1)
6) Select page: 3, address: 33, and set data: 08.
7) Select page: 3, address: 26, and set data: 31.
8) Check that the oscilloscope RF waveform is normal at the
entrance and exit.
If not normal, adjust according to the separate volume
"DV MECHANICAL ADJUSTMENT MANUAL
C Mechanism " .
CN007 of VC-242 board
Pin No. Signal Name
1 GND
2 RF MON
3 SWP
4 RF IN/LANC JACK IN
5 TDO
6 GND
7
TCK
8 TDI
9
PANEL COM
10 TMS

2. Procedure after 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 side
(Normal waveform)
CH1
CH2
(Trigger)
3.3msec
5-37
Pin No. Signal Name
11 H START
12 XHD/PSIG
13 EVF VB
14 EVF VR
15 EVF VCO
16 GND
17
EVF BL –
18 EVF VG
19
LANC SIG
20 EVF BL +
Exit side
Fig. 5-2-1.