Mechanism Section Adjustment; How To Enter Record Mode Without; Cassette; How To Enter Playback Mode - Sony DCR-PC100 Service Manual

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
D Mechanism " and "DV 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, 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.

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 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

Note: The lens block (CD-234 board) must be connected when performing
the adjustments.

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-227 board CN2903 via the CPC-
8 jig (J-6082-388-A).
Channel 1: VC-227 board, CN2903 Pin w; (Note)
External trigger: VC-227 board, CN2903 Pin qj
Note: Connect a 75Ω resistor between Pins w; of CN2903 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 flat at the entrance
and exit.
If not flat, adjust according to the separate volume
"DV MECHANICAL ADJUSTMENT MANUAL
D Mechanism " and "DV MECHANICAL ADJUSTMENT
MANUAL D200 Mechanism ".
CN2903 of VC-227 board
Pin No. Signal Name
1 LACN SIG
3 NC
5 EVF VCO
7 PD VG
9 H START
11 PANEL COM
13 TCK
15 TDO
17 SWP
19 GND

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.
CH1
CH2
(Trigger)
3.3msec
5-37
Pin No. Signal Name
2 NC
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.