45
3.4 Check the DIGITAL VEDEO OUTPUT.
NG
OK
NG
OK
OK
NG
OK
OK
NG
OK
OK
OK
OK
OK
NG
OK
OK
Are digital output signals of Q101 normal?
PXD(0-7), VCLK(27MHz)
Is the reset signal normal?
Q109 (9pin) = H
Is communication to QK01 of digital
signals normal?
Check that 2pin, 4pin, 7-14pin and 137pin.
Are the VD+3.3V and VD+2.5V voltage
lines of QK01 normal?
Refer to Video 2
Check the soldering of Q101 (183-192pin),
R201, R202 and R125.
Refer to “3.1 Check the panel
microprocessor”.
Check the 11pin on Q109.
(Change to H from L, after turn on the unit.)
Check 8pin on Q109 H?
Check the soldering of R189,
R190, R191 and Q108.
Replace Q108.
Check the soldering R192 and Q109.
Replace Q109.
Check the soldering of QK10, QK11 and
circumference components.
Check theVD+3.3V line and soldering of
LK34.
Replace QK10 or QK11.
Check the soldering of QK91, QK92 and
circumference components.
Check the soldering of LD01and LK02.
Check the E+4V voltage line.
Replace QK91 or QK92.
Содержание DV9500
Страница 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 ...
Страница 19: ...17 Click Next Next をクリックします Click Next Next をクリックします ...
Страница 104: ...102 PT01 A QW82 QW83 QW01 QW81 QT01 QT51 PT01 B QT05 QT02 QT03 QW03 QT06 QW02 ...
Страница 109: ...107 PM01 Q501 CXD1881AR ...
Страница 110: ...108 ...
Страница 114: ...112 PM01 Q404 EPM3128ATC100 10 ...
Страница 122: ...120 PM01 Q304 CS8420 ...
Страница 123: ...121 PM01 Q301 CS494003 ...
Страница 124: ...122 PM01 Q950 CS4392 ...
Страница 125: ...123 PA01 QD01 CS4398 ...
Страница 128: ...126 PT01 QT01 SiI9190 ...
Страница 129: ...127 p pp PF01 QF71 LC75712E ...
Страница 130: ...128 16 EXPLODED VIEW AND PARTS LIST ...