DOWNLOAD Panasonic PT-RZ475U / PT-RZ475E / PT-RZ475EA Service Manual ↓ Size: 25.32 MB | Pages: 75 in PDF or view online for FREE

Model
PT-RZ475U PT-RZ475E PT-RZ475EA
Pages
75
Size
25.32 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / 1-CHIP DLP BASED PROJECTOR
File
pt-rz475u-pt-rz475e-pt-rz475ea.pdf
Date
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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
INF - 26
B
A
C
 Either projection image of COMPUTER or VIDEO
 can be checked.
 Check the IC1010 and its associated circuits.
A
 Either projection image of DVI-I (digital) or HDMI can be
 checked.
A
 Check the output waveform of IC1010.
        R1146(HS), R1147(VS), R1149(CLK)
A  Check the IC1010 and its associated circuits.
A
 Check the output waveform of IC1300(FPGA).
        R1373(HS), R1372(VS), R1360(CLK)
A  Check the IC1300 and its associated circuits.
A
 Check the video signal input waveform of IC1010.
 Check the output waveform.
         C1081(G/Y), C1079(R/Pr), C1077(B/Pb)
A
 Check the C1081, C1079 , C1077 and its associated
 circuits.
A
 Check the sync signal input waveform of IC1010.
 Check the output waveform.
        Q1025(HD), Q1026(VD)
A
 Check the following components and its associated
 circuits.
        C1011～Q1025, C1012～Q1026(HD&VD)
 Check the IC1400 and its associated circuits.
　●
 DVI-I (Analog) input checks
A
 Check the output waveform of L1075(G/Y),
 L1076(R/Pr) and L1077(B/Pb).
A
 Check the following components and its associated
 circuits.
        L1072～L1077, C1168, C1172, C1173,
        R1059～R1064
A
 Check the video signal input waveform of IC1010.
        C1083(G/Y), C1080(R/Pr), C1078(B/Pb)
A
 Check the following components and its associated
 circuits.
        C1083, C1080, C1078
A
 Check the sync signal input waveform of IC1010.
        Q1023(HD), Q1024(VD)
A
 Check the following components and its associated
 circuits.
        C1032～Q1023, C1010～Q1024(HD&VD)
OK
OK
OK
OK
NG
NG
NG
NG
OK
OK
OK
OK
NG
NG
NG
NG
OK
NG
③
INF - 27
C
A
A
A
A
A
D
A
 Check the output waveform of IC1010.
        R1146(HS), R1147(VS), R1149(CLK)
A  Check the IC1010 and its associated circuits.
A
  Check the output waveform of IC1300(FPGA).
        R1373(HS), R1372(VS), R1360(CLK)
A  Check the IC1300 and its associated circuits.
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.
　●
 HDMI input checks
 Check the IC1400 and its associated circuits.
　●
 DVI-I (Digital) input checks
 Either projection image of COMPUTER or VIDEO,
 or DVI-I(Analog) can be checked.
 Projection image of HDMI can be checked.
 Check the IC1012 and its associated circuits.
A
 Check the output waveform of IC1012.
        R1139(HD,VD,ACT), R1512(CLK),
        R1130(CLK)
A
 Check the following components and its associated
 circuits.
        JK1003～IC1012, IC1012
 Either projection image of COMPUTER or VIDEO,
 or DVI-I(Analog) can be checked.
 Projection image of DVI-I(digital) can be checked.
 Check the IC1012 and its associated circuits.
 Projection image of DIGITAL LINK can be checked. 
 Check the IC1011 and its associated circuits.
OK
NG
OK
OK
OK
NG
NG
NG
OK
OK
NG
OK
NG
NG
OK
NG
OK
NG
③
③
INF - 28
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
INF - 29
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