JVC TK-C720TPE, Руководство по обслуживанию

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2-6
1) Click the “NEXT” button to display “V
SUB
volt-
age” on the title bar.
2) Adjust the VSUB with “
䊱
” and “
䊲
” buttons to
obtain the specified level at the measuring
point.
1 VSUB voltage
adjustment Digital voltmeter
*
TP200 [PRO]
-
VSUB [CAT: DCREF,
Byte: 3]
+
Specified voltage on
the back of the CCD.
*
TP201 [PRO]
-
VRGL [CAT: DCREF,
Byte:4]
+
Specified voltage on
the back of the CCD.
2 Reset voltage
adjustment Oscilloscope
(H-rate:10:1)
Note:
For the specified voltage, check on the V
RGL
and V
SUB
codes shown on the back of the
CCD, and find out the proper value accord-
ing to the correlation table of the “How to
Find Specified Voltage” as shown below.
Item Mode Adjustment procedure
Measuring
instrument &
Input signals
No.
Measuring point (
*
)
Adjustment parts (
-
)
Adjustment level (
+
)
2.7 ADJUSTMENT OF CCD
V
RGL code
V
SUB code
HOLDER PLATE
How to Find Specified Voltage
1) Click the “NEXT” button to display “Reset
voltage” on the title bar.
2) Adjust the VRGL with the “
䊱
” and “
䊲
”
buttons to obtain the specified voltage
of the waveform bottom edge at the
measuring point.
Note:
For the specified voltage, check on the V
RGL
and V
SUB
codes shown the holder plate or
on the back of the CCD, and find out the
proper value according to the correlation ta-
ble of the “How to Find Specified Voltage”
appearing in the lower part of this page.