Adjustment Of Ccd - JVC TK-C400E Service Manual

Measuring
No. Item instrument &
Input signals

2.7 ADJUSTMENT OF CCD

1 VSUB voltage Digital voltmeter
adjustment
2 Reset voltage Oscilloscope
adjustment (H-rate:10:1)
How to Find Specified Voltage
2-6
Measuring point (*)
Adjustment parts (-)
Mode
Adjustment level (+)
* TP205 [PRO]
- VSUB [CAT: DCREF,
Byte: 3]
+ Specified voltage on
the back of the CCD.
* TP214 [PRO]
- VRGL [CAT: DCREF,
Byte:4]
+ Specified voltage on
the back of the CCD.
Adjustment procedure
1) Select the "NEXT" button to display "V
voltage" on the title bar.
2) Adjust the VSUB with " " and " " buttons to
obtain the specified level at the measuring
point.
Note:
For the specified voltage, check on the V
and V codes shown on the back of the
SUB
CCD, and find out the proper value accord-
ing to the correlation table of the "How to
Find Specified Voltage" as shown below.
1) Select the "NEXT" button to display "Reset
voltage" on the title bar.
2) Adjust the VRGL with "
tons to obtain the specified level at the meas-
uring point.
Note:
For the specified voltage, check on the V
and V codes shown on the back of the
SUB
CCD, and find out the proper value accord-
ing to the correlation table of the "How to
Find Specified Voltage" appearing in the
lower part of this page.
SUB
RGL
" and " " but-
RGL