6-34
CCD-TRV138/TRV238E/TRV338/TRV438E
5-4. Processing after Completed Adjustment
Note: Check that the data of page: 0, address: 10 is “00”.
Order Page Address Data Procedure
1 Set to the VTR stop mode.
20 0101
3A 1A
Set data noted down at step 7
of “7-1. Preparations”, and
press PAUSE button.
47 10 E2 Press PAUSE button.
5A 10 00 Press PAUSE button.
6C 14 00 Press PAUSE button.
70 0100
5-3. REC AFM Current Adjustment (VC-341 Board)
Check the recording current level of the REC AFM signal.
If it is too low, the audio S/N will be deteriorated. If too high,
color beets will be produced on self recording/playback image.
Mode VTR recording (PLAY/EDIT mode)
Signal No signal
Measurement Point REC RF (Pin 7 of CN007)
Measuring Instrument Oscilloscope
(20 MHz BW LIMIT: OFF)
Adjustment Page C
Adjustment Address 25
Specified value NTSC model
A = (REC chroma signal level) × 0.292
± 0.9 mVp-p (Note 1)
PAL model
A = (REC chroma signal level) × 0.309
± 0.9 mVp-p (Note 1)
Note 1: Check that the data of page: 0, address: 10 is “00”.
Note 2: REC chroma signal level is noted down at step 9 of “REC
C Current Check”
Adjusting method:
Order Page Address Data Procedure
1
Close the cassette compartment
without inserting cassette.
2
Set to the VTR recording
mode. (Note 3)
30 0101
43 9220
53 01 41 Press PAUSE button.
6C 25
Change the data and set the
REC AFM signal level (A) to
the specified value.
7C 25 Press PAUSE button.
83 01 00 Press PAUSE button.
93 9200
10 0 01 00
11
Perform “Processing after
Completed Adjustment”.
Note 3: Use the REC buttons of the adjustment remote com-
mander (with HOLD switch set in the OFF position).
Fig. 6-3-8
A
0.67 µsec
Center of the luminance line width
To Next Page
Loading...
