Sony GV-D1000E - Digital Video Cassette Recorder, Руководство по обслуживанию, Страница: 78 / 134

5-4
GV-D1000/D1000E
5-2. MECHANISM SECTION
ADJUSTMENT
On the mechanism section adjustment
For detail of mechanism section adjustments, checks, and
replacement of mechanism parts, refer to the separate volume “DV
MECHANICAL ADJUSTMENT MANUAL
J 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, and set data: 0C, and press the
PAUSE button of the adjustment remote commander.
(The mechanism enters the record mode automatically.)
Note:
The function buttons becomes inoperable.
5) To quit the record mode, select page: 3, address: 01, set data:
00, and press the PAUSE button. (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, and set data: 0B, and press the
PAUSE button.
(The mechanism enters the playback mode automatically.)
Note:
The function buttons becomes inoperable.
5) To quit the playback mode, select page: 3, address: 01, set data:
00, and press the PAUSE button. (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-275 board CN933 via the CPC-
13 jig (J-6082-443-A).
Channel 1: VC-275 board, CN933 Pin w; (Note)
External trigger: VC-275 board, CN933 Pin
qj
Note: Connect a 75
Ω
resistor between Pins
w;
of CN933 and
ql
(GND).
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 J Mechanism ”.
CN933 of VC-275 board
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.
Fig. 5-2-1.
CH1
Entrance side Exit side
Check this section
(Normal waveform)
CH2
(Trigger)
3.3msec
Pin No.
1
2
3
4
5
6
7
8
9
10
Signal Name
LANC SIG
N. C.
EVF LED DA
EVF VG
EVF VCO
GND
PANEL VG
PD VCO
H START
XHD/PSIG
Pin No.
11
12
13
14
15
16
17
18
19
20
Signal Name
PANEL COM
TMS
TCK
JIG TDI
JIG TDO
GND
SWP
RF IN/LANC JACK IN
GND
RF MON