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8
Aim the Red vector, adjust R800 so that the Red vector
becomes proper position.
8
Aim the Yellow vector, adjust R802 so that the Yellow
vector becomes proper position.
8
Aim the Red vector, adjust R801 so that the Red vector
becomes proper position.
8
Repeat adjustment R800, R802 and R801 so that the
Chrominance Gain and Phase are adjusted to proper
position as shown in Fig. 3-19.
g
dø
20%
Y
L
dG
10°
0°
10°
yl
20%
dG
G
(29). Y/C Separation Gain Adjustment
Test Point:
Video Out Composite Connector
Adjust:
R793 (Y/C SEPA GAIN)
8
Select the CH1-Composite Input by the Device setting,
and supply the Ramp (Chroma 40 IRE (286 mV)) signal to
the Composite Input Connector of CH1.
8
Connect the Oscilloscope to TP201.
8
Adjust 793 so that the Y/C Separation signal becomes
maximum without saturation as shown in Fig. 3-20.
(30). Composite Y Gain Adjustment
Test Point:
Video Out Composite Connector
Adjust:
R798 (COMP Y-GAIN)
8
Select the CH1-Composite Input by the Device setting,
and supply the Colour Bar signal to the Composite Input
Connector of CH1.
cy
R
M
G
V
75%
100%
b
U
B
C
Y
mg
r
Fig. 3-19
Rear Panel
Input Board
Becomes maximum
without satiration
Fig. 3-20
Rear Panel
Input Board
8
Connect the Waveform Monitor to the Video Out Y/C
Connector.
8
Adjust R798 so that the Y signal level becomes 700 ± 7
mV as shown in Fig. 3-21.
100
20
BURST
SYNC
–20
–40
-
Audio Board
(31). Balance Output Level Adjustment
Test Point:
1-CH Unbalanced Audio
Output Connector-L
1-CH Unbalanced Audio
Output Connector-R
Adjust:
R759 (BAL-L)
R762 (BAL-R)
8
Supply 1 KHz Tone Clip to the Sequence Editor and
playback.
8
Connect the AC Voltmeter (with dB Measure) to the 1-CH
Balanced Audio Output Connector-L.
8
Adjust R759 so that the 1-CH Balanced Output level
becomes 0.00 ± 0.10 dBµ.
8
Change the connection of the AC Voltmeter (with dB
Measure) to the 1-CH Balanced Audio Output Connector-
R.
8
Adjust R762 so that the 1-CH Balanced Output level
becomes 0.00 ± 0.10 dBµ.
(32). Unbalance Output Level Adjustment
Test Point:
3-CH Unbalanced Audio
Output Connector-L
3-CH Unbalanced Audio
Output Connector-R
Adjust:
R245 (UNBAL-L)
R247 (UNBAL-R)
8
Supply 1 KHz Tone Clip to the Sequence Editor and
playback.
8
Connect the AC Voltmeter (with dB Measure) to the 3-CH
Unbalanced Audio Output Connector-L.
12
700 ± 7
mV
Fig. 3-21
Rear Panel
Rear Panel
Audio Board
Audio Board
Rear Panel
Rear Panel
Audio Board
Audio Board
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