Checking Rgb Output G; Checking Rgb Output B (Aep, Uk Model); Checking S Video Output S-C - Sony RMT-D122A Service Manual

QQ
3 7 63 1515 0
8. Checking RGB Output G (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.
In test mode,
Push
push
Mode
[ENTER]
push
Signal Color bars
EURO AV 1 (RGB)-TV connector
Test point
pin qa (75 Ω terminated)
Instrument Oscilloscope
Specification 700 ± 50 mVp-p
Checking method:
1) Confirm that the G level is 700 ± 50 mVp-p.
Figure 7-8

9. Checking RGB Output B (AEP, UK Model)

<Purpose>
This checks RGB output B. If it is incorrect, pictures will not be TE
L 13942296513
displayed correctly in spite of connection to the TV with an EURO
AV connecting cord.
In test mode,
Push
push
Mode
[ENTER]
push
Signal Color bars
EURO AV 1 (RGB)-TV connector
Test point
pin 7 (75 Ω terminated)
Instrument Oscilloscope
Specification 700 ± 50 mVp-p
Checking method:
1) Confirm that the B level is 700 ± 50 mVp-p.
Figure 7-9
www
.
http://www.xiaoyu163.com
[0]
for Syscon Diagnosis and
[8] [8]
for Video and push and
for Euro TV Check and
[NEXT]
twice for RGB out
700 ± 50 mVp-p
[0]
for Syscon Diagnosis and
[8] [8]
for Video and push and
for Euro TV Check and
[NEXT]
twice for RGB out
700 ± 50 mVp-p
x ao
y
i
http://www.xiaoyu163.com
8

10. Checking S Video Output S-C

<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
Signal
Test point
Instrument
Specification
Checking method:
1) In the test mode initial menu "6" Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the S-C burst is "A".
Q Q
3 6 7 1 3
u163
.
7-4
2 9 9 4 2 8
Video level adjustment in test mode
Color bars
S VIDEO OUT (S-C) connector
(75 Ω terminated)
Oscilloscope
A = 286 ± 30 mVp-p (NTSC)
A = 300 ± 100 mVp-p (PAL)
Figure 7-10
1 5 0 5 8 2 9 9 4
m
co
9 9
A
2 8 9 9