Mechanism Section Adjustment; How To Enter Record Mode; Without Cassette; How To Enter Playback Mode Without - Sony DCR-TRV8 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
D Mechanism "and "MECHANICAL ADJUSTMENT MANUAL
D200 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-217 board CN2904 via the CPC-
8 jig (J-6082-388-A).
Channel 1: VC-217 board, CN2904 Pin @º (Note)
External trigger: VC-217 board, CN2904 Pin !¶
Note: Connect a 75
(GND).
75 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 flat at the entrance
and exit.
If not flat, adjust according to the separate volume
"DV MECHANICAL ADJUSTMENT MANUAL
D Mechanism " and "MECHANICAL ADJUSTMENT
MANUAL D200 Mechanism ".
CN2904 of VC-217 board
Pin No. Signal Name
1 LACN SIG
3 EVF BL–
5 EVF VCO
7 PD VG
9 H START
11 PANEL COM
13 TCK
15 TDO
17 SWP
19 GND

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.
CH1
CH2
(Trigger)
3.3msec
5-35
resistor between pins @º of CN2904 and !ª
Pin No. Signal Name
2 EVF BL+
4 EVF VG
6 GND
8 PD VCO
10 XHD/PSIG
12 TMS
14 TDI
16 GND
18 RF IN/LANC JACK IN
20 RF MON
Must be flat
Fig. 5-2-1.