28
VC-G20SM/G200SM
VC-G201SM/G401SM
Measuring
instrument
Mode
Cassette
Oscilloscope
Playback
Aligment Tape (VROCBZF)
Test point
Pin(2) of TP201 (H.SW.P.) to CH-
1, VIDEO OUT jack to CH-2
(CH-1 trigger slope switch at (+),
Internal trigger at CH-1 side.)
Specification
6.5
±
0.5H (lines)
SERVO CIRCUIT ADJUSTMENT
ADJUSTMENT OF HEAD SWITCHING POINT
1. PB the self-REC tape.
2. Set to SLOW PB mode by pressing the SLOW key.
3. Transmit the TEST(R/C code 47H).Or short the TP801
on the main PWB once.
4. Adjust the noise bar at the botton of monitor screen
using TRACKING UP,DOWN key until it dissapear.
5. Press the PB key to PB and during this time, press the
PB/STILL for few times repeatedly and during STILL
make sure no noise appear.
Same with the SP, do the 1~5 items.(for LP )
~
. For LP, skew will appear at the above. (Only for VC-
G401SM)
ADJUSTMENT OF PAL SYSTEM SP/LP SLOW
TRACKING PRESET
Measuring
instrument
Mode
Cassette
Monitor Screen
Playback
Self-recorded tape
(SP/LP mode)
Control
Tracking control buttons (
]
) or (
[
)
Specification
Minimized noise on
monitor screen
1. Insert the Aligment Tape (VRO-CBZF) and set to PB Mode.
2. Transmit the TEST code (R/C code 47H) to VCR.
Or, once, short the TP801 at the main PWB
(By doing this,LCD will all light up and become the PB
Tracking Center value.
~
As for the recover equipment,prepare the memory-remote
control.
But,while adjust the running, at non cassete control unit
condition but have the cassete control JP(TP801 short on
the main PWB), if press TRACKING UP and DOWN key at
the same time, it'll become the TRACKING CENTER (for
Running Ajustment)
3. Again, transmit the PLAY (PB), or Press PLAY Key.After
AUTO PG ADJ mode is finished, make sure the PB Switch-
ing Point is inside standard range.
~
During Flashing of PLAY(casette mark) is AUTO PG ADJ,
finish the AUTO PG ADJ,by light off.
~
When using the manual PG ADJ,finish the No.2, and it is
able to adjust the PG using FF key or REW key.
Measuring
instrument
Mode
Cassette
Monitor Screen
Playback still
Self-recorded tape
(SP/LP mode)
Control
Tracking control buttons (
]
) or (
[
)
Specification
No vertical jitter of picture
ADJUSTMENT OF PAL SYSTEM FV (False
Vertical Sync) OF STILL PICTURE
1. PB the self-REC tape.
2. Press the PAUSE/STILL key and STILL the picture.
3. As looking at the monitor, using the TRACKING UP+,
DOWN
−
adjust till the perpendicular jitter dissapear.
~
For the LP also, while PB the self-REC tape, for STILL,
it is better to confirm that no perpendicular jitter appear.
CH-2
Video output
CH-1
V: 2V/div
V: 1V/div
TRIG INT CH-1,H:50
µ
sec/div
6.5H
Содержание VC-G200SM
Страница 103: ...103 VC G20SM G200SM VC G201SM G401SM ...
Страница 104: ...104 VC G20SM G200SM VC G201SM G401SM SIGNAL FLOW BLOCK DIAGRAM SIGNALVERLAUF BLOCKSCHALTBILD ...
Страница 106: ...106 VC G20SM G200SM VC G201SM G401SM AUDIO BLOCK DIAGRAM AUDIO SCHALTKREIS BLOCKSCHALTBILD VC G20SM G201SM G401SM ...
Страница 107: ...107 VC G20SM G200SM VC G201SM G401SM EE Signal PB Signal REC Signal E E Signal Wiedergabe signal Aufnahme sihnal ...
Страница 108: ...108 VC G20SM G200SM VC G201SM G401SM AUDIO BLOCK DIAGRAM AUDIO SCHALTKREIS BLOCKSCHALTBILD VC G200SM ...
Страница 109: ...109 VC G20SM G200SM VC G201SM G401SM EE Signal PB Signal REC Signal E E Signal Wiedergabe signal Aufnahme sihnal ...
Страница 110: ...110 VC G20SM G200SM VC G201SM G401SM POWER CIRCUIT BLOCK DIAGRAM HAUPTSTROMKREIS BLOCKSCHALTBILD ...
Страница 113: ...113 10 11 12 13 14 15 16 17 18 19 VC G20SM G200SM VC G201SM G401SM ...
Страница 115: ...115 10 11 12 13 14 15 16 17 18 19 VC G20SM G200SM VC G201SM G401SM ...
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Страница 123: ...123 10 11 12 13 14 15 16 17 18 19 VC G20SM G200SM VC G201SM G401SM ...
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