Panasonic PT-EZ57 (serv.man5) Service Manual ▷ View online
INF-27
SECTION 1 SERVICE INFORMATION
<EZ57>
5. 5. Error log code table
Bit
Display content of log tool
Type of errors
Error occur timing
Note
UPPER
31
30 FAN
30 FAN
FAN error
Fan rotation decreases a certain level.
Lower 6-13 bit comes error.
29
28 Temp error[IN]
28 Temp error[IN]
Intake temperature error
Intake temperature reaches an error temperature.
27 Temp error[OUT]
Exhaust temperature error
Exhaust temperature reaches an error temperature.
26 Non air filter
Air filter is not installed.
Air filter unit is not installed.
25 LIGHTOUT LIMIT
Limitation of light output (Lamp power
mode sets to "Eco" mode due to intake
air temp.
Intake air temperature reaches a specified tempera-
ture.
24 error[Lamp time]
Lamp runtime error
Exceeding the lamp runtime
23 Lens mounter
Lens mounter operation error
22 LAMP
Lamp error
Lamp ignition failure or goes off.
Lower 3-4 bit comes error
21
20
19
18 Sensor error[IN]
20
19
18 Sensor error[IN]
Disconnection of intake temp sensor.
17 Sensor error[OUT]
Disconnection of exhaust temp sensor.
16 Low battery
Battery low voltage
15
14
13 Temp warning[IN]
14
13 Temp warning[IN]
High temperature warning, intake
Intake temp reaches a warning temp.
12 Temp warning[OUT]
High temperature warning, exhaust
Exhaust temp reaches a warning temp.
11 IIC
IIC communication error
IIC communication error occurs
Lower 14-27 bit comes error
10 Dirty air filter
Filter clogged warning
Filter clogged occurs
9
8
7 Horizontal Angle warning
8
7 Horizontal Angle warning
Portrait warning
6 Warning[Lamp time]
Lamp runtime warning
Lamp runtime reaches lamp warning time (Lamp
life - 200h)
5 Filter Clog error
Filter clogged error
Filter clogged
4
3
2
1
0
3
2
1
0
LOWER
31 FPGA[CONFIG ERR]
FPGA configuration error
30
29 Gamma Data None
29 Gamma Data None
γ correction data not stored
SELF CHECKのG-SAVED=NG
28 Uniformity Data None
Uniformity data not stored
SELF CHECKのU-SAVED=NG
27 IIC14 LAN SW EEPROM
IIC14 communication error
LAN_SW EEPROM
26
25
24 IIC11 RTC
25
24 IIC11 RTC
IIC11 communication error
RTC
Communication error
23 IIC10 S_H
IIC10 communication error
S/H
Communication error
22 IIC9 GAMMA
IIC9 communication error
Gamma
Communication error
21 IIC8 DIGITAL LINK
IIC8 communication error
HD-BASE
Communication error
20 IIC7 PRESSURE SENSOR
IIC7 communication error
PRESS-SENSOR
Communication error
19 IIC6 ACCELERATION SEN-
SOR
IIC6 communication error
ACCELERATION-SENSOR
Communication error
18 IIC5 LAMP EEPROM
IIC5 communication error
LAMP ID
Communication error
17 IIC4 AUDIO AMP
IIC4 communication error
AUDIO AMP
Communication error
16 IIC3 UART EXPAND
IIC3 communication error
UART expand
Communication error
15 IIC2 HDMI SW
IIC2 communication error
HDMI SW
Communication error
14 IIC1 EEPROM
IIC1 communication error
PWC878 EEPROM
Communication error
13
12 FAN[EXST]
12 FAN[EXST]
Lamp exhaust fan error
Fan rotation decreases less than a specified level.
11 FAN[POWER]
Power intake fan error
Fan rotation decreases less than a specified level.
10 FAN[REAR]
Lamp rear intake fan error
Fan rotation decreases less than a specified level.
9 FAN[LAMP]
Lamp intake fan error
Fan rotation decreases less than a specified level.
8 FAN[PBS]
PBS intake fan error
Fan rotation decreases less than a specified level.
7 FAN[G]
G intake fan error
Fan rotation decreases less than a specified level.
6 FAN[R_B]
R/B intake fan error
Fan rotation decreases less than a specified level.
5 BALLAST
Ballast communication error
Fan rotation decreases less than a specified level.
4 LAMP error
Lamp light failure
Lamp failure on lighting.
3 LAMP IGN error
Lamp ignition error
Lamp failure at turning-on
2 EEPROM[LAMP]
Lamp memory initializing error
Lamp memory is not initialized
1
0 Sub CPU
0 Sub CPU
Sub-microprocessor comm. error
INF-28
SECTION 1 SERVICE INFORMATION
<EZ57>
5. 6. 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 - P01, P02, P03, P04, A24, A36
NG
Connect the cables properly
Confirm the connection of each connector on A-P.C
Board and lamp.
Confirm the lamp fixing screws.
NG
Connect the cables properly
P
Disconnect the connectors [P02],[P03]. Check the short
circuit at pins 1, 14 or 6-8 of connector P03.
NG
A Replace the [A] P.C.Board
Confirm 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
P Replace fuse
P Replace [P] P.C.Board
P Confirm the short circuit of Q611, Q612, Q613, Q614, Q615.
NG
P Replace the shorted parts
OK
OK
INF-29
SECTION 1 SERVICE INFORMATION
<EZ57>
P Confirm the voltages between pins of connector [P02] below;
(1) - (3) DC 380V
NG
P Check or replace [P] P.C.Board
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
Confirm the voltages between pins of connector [B1] below;
(1) - (2) DC 380V
(3) - (4) DC 18V
NG
B Replace [B] P.C.Board
B Check or replace [B] P.C.Board
P Confirm the voltages between pins of connector [P02] below;
(3) - (4) DC 18V
NG
P Check or replace [P] P.C.Board
OK
OK
INF-30
SECTION 1 SERVICE INFORMATION
<EZ57>
■ No picture or abnormal picture is output
Confirm each cable connection
Connect the cables securely
Confirm the below with a signal other than all black pattern.
No picture with VIDEO input
Follow the section "VIDEO input check"
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 NETWORK input
Follow the section "NETWORK input check"
No picture with all of inputs
(3)
OK
A
Check each power supply voltage of microprocessor &
Scale IC(IC301), FPGA(IC401),
Gamma IC (IC510), panel driver IC(IC521,IC531,IC561)
NG
A
Check IC522, IC532, IC562, IC512, IC514, IC515 and
peripheral circuits
IC8351, IC8371, IC3004, IC3006, IC3007, IC3008,
IC4010, IC4020, IC4030 and peripheral circuits.
A Check the waveform (Input clock) at R2110 of IC2301
NG
A Check IC2301, IC401 and peripheral circuit
A
Check the waveform
at IC521, IC531, IC561(SH IC), R6111, R6112, R6110 (R)
R6116, R6117 (G), R6121, R6122, R6120 (B)
NG
A Check IC521, IC531, IC561 (SH IC) and peripheral circuit
A Check the waveform (Display output clock) at L3003 of
IC301(Resize&Micon)
NG
A Check IC538, IC528, IC529, IC533, IC562, IC522,
IC2306, IC2304, IC2305, IC301 and peripheral circuit
A Check the input clock at R5059 of IC510(Gamma IC)
NG
A Check IC510 and peripheral circuit
A Check the connection of connectors [A60], [A61], [A62]
NG
A Connect the connectors securely
A Replace [A] P.C.Board
OK
OK
OK
OK
OK
OK
NG
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