7-3
4. Checking Component Video Output R-Y
(MB-84 board)
<Purpose>
This checks component video output R-Y. If it is incorrect, cor-
rect colors will not be displayed when connected to, for instance,
projector.
Mode
Video Encoder (IC252) check in test
mode menu “0” Syscon Diagnosis
Signal
Color bars
Test point
COMPONENT VIDEO OUT (R-Y)
connector (75
Ω
terminated)
Instrument
Oscilloscope
Specification
700 ± 30 mVp-p
Checking method:
1) Confirm that the R-Y level is 700 ± 30 mVp-p.
Figure 7-5
5. Checking Component Video Output Y
(MB-84 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 Encoder (IC252) check in test
mode menu “0” Syscon Diagnosis
Signal
Color bars
Test point
COMPONENT VIDEO OUT (Y)
connector (75
Ω
terminated)
Instrument
Oscilloscope
Specification
1 ± 0.05 Vp-p
Checking method:
1) Confirm that the Y level is 1 ± 0.05 Vp-p.
Figure 7-6
700 ± 30 mVp-p
1 ± 0.05 Vp-p
6. Checking RGB Output R
(MB-84 board) (AEP, UK model)
<Purpose>
This checks RGB output R. If it is incorrect, pictures will not be
displayed correctly in spite of connection to the TV with an EURO
AV connecting cord.
Mode
Video Encoder (IC252) check in test
mode menu “0” Syscon Diagnosis
Signal
Color bars
Test point
EURO AV 1 (RGB)-TV connector
!∞
pin (75
Ω
terminated)
Instrument
Oscilloscope
Specification
700 ± 30 mVp-p
Checking method:
1) Confirm that the R level is 700 ± 30 mVp-p.
Figure 7-7
7. Checking RGB Output G
(MB-84 board) (AEP, UK model)
<Purpose>
This checks RGB output G. If it is incorrect, pictures will not be
displayed correctly in spite of connection to the TV with an EURO
AV connecting cord.
Mode
Video Encoder (IC252) check in test
mode menu “0” Syscon Diagnosis
Signal
Color bars
Test point
EURO AV 1 (RGB)-TV connector
!¡
pin (75
Ω
terminated)
Instrument
Oscilloscope
Specification
700 ± 30 mVp-p
Checking method:
1) Confirm that the G level is 700 ± 30 mVp-p.
Figure 7-8
700 ± 30 mVp-p
700 ± 30 mVp-p
Summary of Contents for DVP-S7700
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