Panasonic PT-RZ470 Series, Руководство по обслуживанию

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INF - 24
A
A
FM
A
A A
A A
A
A
B
Check cable connection of the A1 connector. Connect it properly.
Check connector A1-FM1. Replace DMD block.
●
VIDEO Input checks
Either projection image of DVI-I (digital) or HDMI can be
checked.
Either projection image of COMPUTER or DVI-I (Analog)
can be checked.
Check the IC1010 and its associated circuits.
A Check the output waveform of IC1400 (resize LSI).
R1438(FPGACLK), R1674, R1434
（
LVD CK
）
A Replace A-PCB.
A
<IC1300 (FPGA) check>
R1823 output pulse
No signal / Video inputto
：
22Hz
Other input
：
Vertical frequency of input signal
A Check the IC1300 and its associated circuits.
Either projection image of DVI-I (digital) or HDMI can be
checked.
Either projection image of COMPUTER or DVI-I (Analog)
can be checked.
Check the IC1010 and its associated circuits.
A Check the output waveform.
L1069(R/Pr), L1070(G/Y), L071(B/Pb).
A
Check the following components and its associated
circuits.
L1066
～
L1071, C1062, C1065, C1066,
R1042
～
R1047
Check the output waveform of FL1000(CVBS). Check the FL1000 and its associated circuits.
Check the output waveform of IC1010.
Check the intput waveform of C1076.
Check the C1076 and its associated circuits.
Check the IC1010 and its associated circuits.
●
COMPUTER input checks
NG
NG
OK
OK
NG
OK
OK
NG
OK
NG
NG
OK
OK
OK
OK
NG
NG
NG
OK
③
③
③
NG