48
3.6 Check the Video encoder. (RGB)
OK
OK
NG
NG
OK
NG
OK
OK
OK
OK
OK
Finish
OK
OK
NG
NG
OK
OK
OK
NG
NG
OK
OK
Are the VD+3.3V and +2.5AD voltage
lines of QN01 normal?
Is the reset signal of QN01 (33pin)
normal?
VRST_5=H
Are the digital data of QN01 normal?
51-55pin and 58-62pin
Is the master clock waveform of 32pin on
QN01 normal?
27MHz 2Vp-p
Is the IIC waveform of 21pin and 22pin on
QN01 normal?
Are the video signals outputted to each
pin of JN01?
4pin=G, 6pin=B, 8pin=R
Check the soldering of QN01, LN01, LN02,
LN03, QK91 and QM91.
Check the input voltage of QK91 and QM91.
Replace QK91 or QM92.
Refer to “POWER SUPPLY PCB”.
Check the soldering of QK10 (18pin),
RN06 and CN09.
Refer to “3.4 Check the DIGITAL VIDEO
OUTPUT”.
Check the soldering of RM23-26 and QN01.
Refer to “3.4 Check the DIGITAL VIDEO
OUTPUT”.
Check the soldering of RN05 and QN01.
Refer to “3.4 Check the DIGITAL VIDEO
OUTPUT”.
Check the soldering of RN02, RN03 and
QN01.
Check the soldering of QK07 and QK08.
Refer to “3.4 Check the DIGITAL VIDEO
OUTPUT”.
Check the soldering of QN02-QN04 and
circumference resistors.
Check the output signals of QN01
(37-39pin).
Replace QN02-QN04.
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 ...