55
5.
Check the analog video output signal.
5.1 Picture is not outputted normally. (Composite, Y/C)
OK
NG
OK
NG
OK
NG
OK
OK
NG
NG
Is the E+6V voltage line of JV05 normal?
Is the +5VV voltage line of QV01 normal?
Are the video signals inputted to each pin
of QV01?
4pin=video, 6pin=S-Y, 2pin=S-C
Are the analog video signals outputted to
each pin of QV01?
13pin=video, 10pin=S-Y, 15pin=S-C
Refer to “1. POWER SUPPLY PCB”.
Check the output voltage of QV91.
+5VV
Check the QV91 (1pin) level.
1pin=H
Refer to “3.1 Check the panel
microprocessor”.
Replace QV91.
Refer to “3.4 Check the DIGITAL VEDEO
OUTPUT”.
Replace QV01.
Summary of Contents for DV9500
Page 16: ...14 Choose the language And click Next 言語を選んで Next をクリックします Click Yes Yes をクリックします ...
Page 19: ...17 Click Next Next をクリックします Click Next Next をクリックします ...
Page 104: ...102 PT01 A QW82 QW83 QW01 QW81 QT01 QT51 PT01 B QT05 QT02 QT03 QW03 QT06 QW02 ...
Page 109: ...107 PM01 Q501 CXD1881AR ...
Page 110: ...108 ...
Page 114: ...112 PM01 Q404 EPM3128ATC100 10 ...
Page 122: ...120 PM01 Q304 CS8420 ...
Page 123: ...121 PM01 Q301 CS494003 ...
Page 124: ...122 PM01 Q950 CS4392 ...
Page 125: ...123 PA01 QD01 CS4398 ...
Page 128: ...126 PT01 QT01 SiI9190 ...
Page 129: ...127 p pp PF01 QF71 LC75712E ...