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9. Y FM Carrier Frequency Adjustment (Normal)
[Connection]
VR1 03
TP1 41
[Adjustment I Check]
Measu ring Point
Measuring Equipment
Oscilloscope
TP1 91 (CH 1 )
Frequency counter
TP1 4 1 (G ND)
No signal
ADJ. Location
VR1 03
4.39 ± 0.05 MHz
Preparation:
• POWER switch: "CAMERA"
• Stand-by switch: "STANDBY"
Adjusting I Checking method:
• Short pin @ , pin @ and pin ® of J1 005.
1 . Adjust with VR1 03 to 4.39 ± 0.05 M Hz.
4.39
m
TP1 91
0
Condition
Record
I
Input Signal
Alignment Tape
ADJ. / Check Value
±
0.05 MHz
1 o. Y FM Deviation Adjustment (Normal)
[Connection]
[Adjustment I Check]
Measuring Point
TP1 51 (CH 1 )
TP1 05 (EXT)
TP1 41 (GND)
ADJ. Location
VR1 04
Preparation:
• Stand - by switch: "STANDBY"
• POWER switch: "CAMERA" and "PLAYER"
Adjusting I Checking method:
pin @ and pin ® of J1 005.
1 . Record the color bar Y signal.
2. Play back the recorded signal.
3. Check the playback level.
It should be within 1 .00
4. When the level does not meet the specification, turn
VR1 04 as follows, and repeat 1 . to 3.
Counterclockwise (()) : When larger than specified value
Clockwise (0): When smaller than specified value
- 5 - 1 9 -
TP1 05
VR104
m
TP1 41
0
QCH2
Measuring Equipment
Oscilloscope
I
MP type tape
Input Signal
Alignment Tape
Color bar (Y signal only)
ADJ. / Check Value
±
1 .00
0.05 Vp-p
±
0.05 Vp-p.
�
1 .00 ± 0.05 Vp-p
Condition
Record and
Playback
I
Short pin @ ,
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