40
2.2 No sound is output from Phones. (The headphones are connected to PHONES jack.)
NG
OK
NG
OK
NG
OK
OK
NG
OK
NG
OK
NG
NG
Are the connector (J950, J951) voltage
line normal? 8pin and 10pin,+8VA,–8VA
Is the 1pin of connector (J950, J951)
voltage line normal?
HP connection: L / HP un-connecting: H
(3.3V)
Is the 6pin of Q950 MCLK signal normal?
Is the waveform of Q950 (3 to 5pin)
normal?
Is the waveform of Q950 (14,15,19pin)
normal?
Is the 2pin of connector (J950, J951)
voltage line normal?
PLAY: L (–8V), STOP: H (3V)
Are the MUTE signals normal?
Check the +8VA and –8VA voltage line of
PM01 PCB, PA01 PCB and P801 PCB.
Replace J952.
Check the MCLK signal of PM01 PCB.
Check the Audio data output line of
PM01 PCB.
Replace Q950
Check the HP-MUTE output signal of
PA01 PCB.
Replace defect component.
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 ...