52
4.
HDMI PCB (PT01)
4.1 Check the Scaler.
OK
OK
OK
OK
OK
Check the input signals of QK04-QK06.
OK
OK
NG
NG
OK
NG
OK
Refer to Scaler 2
NG
NG
OK
OK
Are the ACS+3.3V, VS+2.5V and
VS+3.3V voltage lines of QW01 normal?
Is the reset signal of QW01 (52pin) H?
Are the digital data input signals normal?
PC_2(0-9), PY_2(0-9) and SDCLK_2
Check the soldering of LM01-LM03 and
QW81-QW83.
Check the input voltage of QW81-QW83.
Check the VD_PSW level. VD_PSW=H
Replace QW81, QW82 or
QW83.
Check the soldering of JQ02, JK02 (8pin)
and QU01 (1pin).
Check the soldering of QW01, RW13 and
CW07.
Check the soldering of JW02, JK02 (2pin)
and QU01 (24pin).
Check the soldering of JW01, JK01,
RW01-RW08, RW17 and QW01.
Check the soldering of QK04-QK06 and
RK34-RK39.
Check the VD+3.3V voltage
line of QK04-QK06.
Replace QK04, QK05 or QK06.
Refer to “3.4 Check the DIGITAL VEDEO
OUTPUT”.
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 ...