Mechanism Section Adjustment; Hoe To Enter Record Mode Without; Cassette; Hoe To Enter Playback Mode Without - Sony DCR-TRV40 Service Manual
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DCR-TRV40/TRV40E/TRV50/TRV50E
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 VI J Mechanism ”.
Note: Before performing the adjustments, check the data of page: 0,
address: 10 is “00”. If not, set data: 00 to this address.
2-1.
HOE 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 of the adjustment remote
commander. (Whenever you want to quit the record mode, be
sure to quit following this procedure.)
2-2.
HOE 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 of the adjustment remote commander.
(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 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-283 board CN1012 via the CPC-
7 jig (J-6082-382-A).
Channel 1: VC-283 board, CN1012 Pin 2 (Note)
External trigger: VC-283 board, CN1012 Pin 4
Note: Connect a 75Ω resistor between Pins 2 of CN1012 and 6
(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 VI
J Mechanism ”.
CN1012 of VC-283 board
Pin No.
Signal Name
Pin No.
Signal Name
1
N. C.
9
PANEL VG
2
RF MON
10
GND
3
RF IN/LANC JACK IN
11
EVF VCO
4
SWP
12
GND
5
PANEL COM
13
EVF VG
6
GND
14
EXT DA
7
H START
15
LANC SIG
8
GND
16
N. C.
Table. 5-2-1.
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 side
Exit side
(Normal waveform)
CH1
CH2
(Trigger)
3.3msec
Fig. 5-2-1.
5-44
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