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7-3
7-4 E
5. Checking Component Video Output Y
(MB-82 BOARD)
<Purpose>
This checks component video output Y. If it is incorrect, correct
brightness will not be attained when connected to, for instance,
projector.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
COMPONENT VIDEO OUT (Y)
connector (75
Ω
terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.1 Vp-p
Checking method:
1) Confirm that the Y level is 1.0 ± 0.1 Vp-p.
Figure 7-5
6. Checking S Video Output S-C (MB-82 BOARD)
<Purpose>
This checks whether the S-C satisfies the NTSC Standard. If it is
not correct, the colors will be too dark or light.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
CN005 pin
5
Instrument
Oscilloscope
Specification
286 ± 50 mVp-p
Connection:
Checking method:
1) Confirm that the S-C burst is 286 ± 50 mVp-p.
Figure 7-6
7-3. ADJUSTMENT RELATED PARTS ARRANGEMENT
MB-82 BOARD (SIDE A)
HS-030SH/030SU BOARD (SIDE A)
1.0 ± 0.1 Vp-p
286 ± 50 mVp-p
4
5
100
µ
F
75
Ω
±
1%
100k
±
1%
CN005
+
Oscilloscope
1
2
27
28
CN005
RV401
VIDEO LEVEL ADJ
1
1
7
6
CN202
CN203
Содержание DVP-K880D
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Страница 29: ...2 4 2 11 INTERNAL VIEW DC motor loading 1 541 632 11 Optical pick up KHM 220AAA J1RP 8 820 081 03 ...
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