6-5
2-4-4. Recording Y Level Check (MA-317 Board)
Mode E-E
Signal No-signal
Measurement point IC201 pin !•
Measuring instrument Oscilloscope
Specified value A=290 ± 70mVp-p
[Check Method]
1) Check that the recording RF signal satisfies the specified value.
Fig. 6-2-8.
2-4-5. Recording Chroma Level Check
(MA-317 Board)
Mode Recording
Signal Color bar
Measurement point IC201 pin !¢
Measuring instrument Oscilloscope
Specified value A=450 ± 70mVp-p
[Check Method]
1) Confirm the amplitude of recording chroma level becomes the
specified value.
Fig. 6-2-9.
2-4-6. Playback Level Check (MA-317 Board)
Mode Playback
Signal Alignment Alignment tape : SP mode color bar
portion
Measurement point Video LINE OUT terminal
Measuring instrument Oscilloscope
Specified value A=1.0 ± 0.1Vp-p (75Ω terminated)
[Check Method]
1) Check that the playback level satisfies the specified value.
Fig. 6-2-10.
A
A
White (100%)
H
A
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8
T
E
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1
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9
4
2
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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