Panasonic PT-VZ585N / PT-VW545N / PT-VX615N / PT-VZ580 / PT-VW540 / PT-VX610 (serv.man7) Service Manual ▷ View online
INF-39
SECTION 1 SERVICE INFORMATION
<VZ585N/VW545N/VX615N/VZ580/VW540/VX610>
5. 7. Troubleshooting
* The letters in the left of inspection items indicate the P.C. Boards related to their respective descriptions.
* Please check items with the interlock switch on.
■ Power does not turn ON. (ON(G)/STANDBY(R) LED does not light in red)
■ Lamp does not turn ON.
Check the connection of each connector
AC inlet - P11, P12, P01, P03 - K8R
NG
Connect the cables properly
Check the connection of each connector on A-P.C Board and
lamp.
Check the lamp fixing screws.
NG
Connect the cables properly
A Disconnect the connector [P02], check the short circuit between
pins (14)-(15), (7)-(15), (12)-(15) of connector K8R.
NG
A Check or replace [A] P.C.Board
Check the lamp condition
NG
Replace the lamp
Is each thermal sensor operating in normal?
NG
Check each thermal sensor and connection
Is each fan rotating when the projector turns on?
NG
Check each fan and connection
Next page
OK
OK
OK
OK
OK
OK
K Confirm the fuse [F601]
NG
K Replace fuse
P Check or replace [P] P.C.Board
P Check the short circuit of Q611, Q612, Q613, Q614
NG
Replace the shorted parts
OK
OK
INF-40
SECTION 1 SERVICE INFORMATION
<VZ585N/VW545N/VX615N/VZ580/VW540/VX610>
Disconnect the cable to connector [CN1] (Ballast module).
Check that the short circuit between pins (1)-(3), (3)-(4) of con-
nector [CN1].
NG
Replace ballast module
A Confirm that the voltage at pin (4) of connector [K8H] changes
from High to Low when the power is ON.
NG
A Check or replace [A] P.C.Board
A Confirm that the voltage at pin (2) of connector [P03] changes
from Low to High when the power is ON.
NG
A Check or replace [A] P.C.Board
OK
OK
OK
Previous page
B Replace ballast module
P
Connect the cable to connector [CN1] on the ballast module
Confirm the voltages between pins of connector [P02] below;
(4) - (3) | (CL10)-(CL9) DC 19V
(1) - (3) | (CL8) - (CL9) DC 380V
NG
P Check or replace [P] P.C.Board
OK
INF-41
SECTION 1 SERVICE INFORMATION
<VZ585N/VW545N/VX615N/VZ580/VW540/VX610>
■ No picture or abnormal picture is output
(3)
A
Check the LVDS waveform of Scaler IC (IC1102).
WUXGA: R1688, R1706 (LVDS clock)
WXGA/XGA: R3070 (LVDS clock)
NG
A Check Scaler IC (IC1102) and peripheral circuit
A
Check the waveform of panel driver IC (IC1303)
WUXGA: VSIG_R[1-48], VSIG_G[1-48], VSIG_B[1-48]
WXGA/XGA: VSIG_R[1-12], VSIG_G[1-12], VSIG_B[1-12]
NG
A
Check ICs below or peripheral circuit;
WUXGA: Panel driver IC (IC1302, IC1303, IC1304)
WXGA/XGA: Panel driver IC (IC1303)
A
Check each voltage of Scaler IC (IC1102), Digital gamma IC
(IC1301), Panel driver IC (WUXGA: IC1302, IC1303, IC1304,
WXGA/XGA: IC1303)
NG
A
Check ICs and peripheral circuit.
IC1044, IC1045, IC1046, IC1047, IC1048
WUXGA:IC1056, IC1057, IC1058, IC1064, IC1065, IC1066,
IC1068, IC1069, IC1070
WXGA/XGA:IC3001, IC3003, IC3004, IC3005, IC3006,
Q3003
A
Check the waveform of digital gamma IC (IC1301)
WUXGA:
AX_UNIF_P[1-7]_R, AX_UNIF_P[1-7]_G, AX_UNIF_P[1-7]_B
WXGA/XGA:
TXCK1_P, TXCK1_N, TXCK2_P, TXCK2_N
NG
A Check Digital gamma IC (IC1301) and peripheral circuit
A Check the connection of connectors [K5R], [K5G], [K5B]
NG
A Connect the connectors securely
A Replace [A] P.C.Board
OK
OK
OK
OK
OK
OK
(1)
Nothing is displayed at all.
Check each cable connection
Input a signal without all black and check below.
Connect the cables securely
OK
NG
NG
OK
OK
No picture with RGB1 input
Follow the section "RGB1 input check"
No picture with RGB2 input
Follow the section "RGB2 input check"
No picture with HDMI1 input
Follow the section "HDMI1 input check"
No picture with HDMI2 input
Follow the section "HDMI2 input check"
No picture with DIGITAL LINK input
Follow the section "DIGITAL LINK input check"
No picture with Miracast input
Follow the section "Miracast input check"
No picture with VIDEO input
Follow the section "VIDEO input check"
Is it possible to display the test pattern?
A Check Scaler IC (IC1102) and peripheral circuit
Is it possible to display the on-screen menu?
(1)
NG
INF-42
SECTION 1 SERVICE INFORMATION
<VZ585N/VW545N/VX615N/VZ580/VW540/VX610>
■ VIDEO input check
■ RGB1 input check
Check the cable between [KA1] and [J01].
NG
Replace cable
A Check the waveform at C1210.
NG
A Check IC1019 and peripheral circuit.
Go to "A-P.C.Board operation check"
A Check the sync input waveform at IC1001.
R1213(H), R1214(V)
NG
A Check IC1012, Q1028, Q1026, Q1016, Q1017, IC1008,
IC1004 and peripheral circuit.
A
Check the output waveform at IC1001.
R1225~R1234(FA_B0~B9, FA_G0~G9, FA_R0~R9, FA_HD,
FA_VD), R1235(CLK)
NG
A Check IC1001 and peripheral circuit.
J
Check the waveform at pin 2 of [J01].
NG
J
Replace [J] P.C.Board
A Check the input waveform at IC1001.
C1131(R), C1130(G), C1132(B), C1129(G on sync)
NG
A Check L1005, L1007, L1009, Q1006, Q1007, Q1008,
IC1006 and peripheral circuit.
A Check IC1001 and peripheral circuit.
A Check IC1077, X1004 and peripheral circuits.
One of the inputs (HDMI1, HDMI2, RGB1, RGB2, DIGITAL LINK,
Miracast) can be displayed.
NG
One of the inputs (RGB2, HDMI1, HDMI2, DIGITAL LINK, Mira-
cast) can be displayed
NG
Go to "A-P.C.Board operation check"
OK
OK
OK
OK
OK
OK
OK
OK
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