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6-55
3-8.
PB CHROMA LEVEL CHECK
Purpose :
The playback chroma level is kept to constant
level.
level.
Adjustment error :
Color of playback picture can be thinner or
thicker than normal picture.
thicker than normal picture.
Mode
Playback
Signal
Alignment tape : color bar segment of
operation check tape
• Normal mode
WR5-5CSP (PAL)
WR5-5NSP (NTSC)
operation check tape
• Normal mode
WR5-5CSP (PAL)
WR5-5NSP (NTSC)
Measurement Point
CN102 pin 6
Measuring Instrument
Oscilloscope
Adjustment Page
—
Adjustment Address
—
Specification Value
A=150 ± 15mVp-p
(BURST LEVEL)
(BURST LEVEL)
Adjustment procedure:
Order
Page
Address
Data
Procedure
1
Playback the color bar segment of the normal mode
alignment tape.
alignment tape.
2
Check that the burst signal level satisfies the
specification.
specification.
PAL MODEL
NTSC MODEL
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