Panasonic PT-RZ470 Series, Руководство по обслуживанию

Страница: 34 / 84

INF - 27
D
A
A
A A
E
Either projection image of COMPUTER or VIDEO, or DVI-I
can be checked.
A
Check the output waveform of IC1012.
R1139(HD,VD,ACT), R1512(CLK),
R1130(CLK)
A
Check the following components and its associated
circuits.
JK1004
～
IC1012, IC1012
Projection image of HDMI can be checked. Check the IC1001 and its associated circuits.
DIGITAL LINK mode of NETWORK menu is "AUTO" or
"DIGITAL LINK".
Select the "AUTO" or "DIGITAL LINK", in DIGITAL LINK
mode.
Check the "SIGNAL QUALITY" in DIGITAL LINK STATUS
menu.
Green (-12 dB or lower) or Yellow (-11 to -8 dB)
A
Check the following components and its associated
circuits.
JK2001
～
IC2001, X2001, IC2002, IC2003
A Check the output waveform of IC1300(FPGA).
R1373(HS), R1372(VS), R1360(CLK)
A Check the IC1300 and its associated circuits.
Check the IC1400 and its associated circuits.
●
DIGITAL LINK Input checks
Check the following components and its associated
circuits.
IC1403, X1401
Check the output of IC1403. Q1408 Base
：
High Check the IC1403 and its associated circuits.
A
Check the following components and its associated
circuits.
IC2001
～
IC1011, IC2001, IC1011
●
A-PCB operation checks
A Check the clock frequency of IC1403.
X1401
：
20MHz
A
NG
OK
NG
OK
NG
NG
OK
OK
OK
NG
OK
NG
③
NG
OK
NG
OK