Panasonic PT-RZ120 (serv.man2) Service Manual ▷ View online
INF-27
SECTION 1 SERVICE INFORMATION
< RZ120 >
Indicator status
Self-test
display
Shutdown detection
Probable cause
OSD warning, others
TEMP blinks 2 times
(In Warning: TEMP lights)
U21
(U11)
Intake air temperature sensor
a More than 48ºC *1
Abnormal intake air temperature
External air temperature is high
Ventilation holes are blocked
(More than 46ºC)
"TEMPERATURE
WARNING"
U22
(U12)
Optical module temperature sensor
a More than 75ºC *1
Abnormal DMD temperature
Unstable heatsink mounted
Ventilation holes are blocked
(More than 73ºC)
"TEMPERATURE
WARNING"
U23
(U13)
Exhaust module temperature sensor
a More than 65ºC *1
Abnormal exhaust air temperature
Exhaust fan deterioration
Ventilation holes are blocked
(More than 63ºC)
"TEMPERATURE
WARNING"
U24
(U14)
Optical module temperature sensor
a Lower than 4ºC for more than 5 min,
after power on.
* TEMP lights during warmup
Operating environment temperature is
too low.
–
U25/U26
(U16/U18)
LD1 temperature sensor (U25)
LD2 temperature sensor (U26)
a More than 80ºC *1
Abnormal LD units temperature
Unstable cooling pump mounted
Radiator cloggle
Cooling unit deterioration
(More than 78ºC)
"TEMPERATURE
WARNING"
If both of LD fail, PJ will be
shutdown.
LIGHT blinks 3 times
-
LD driver circuit
a 380V line
Fuse (F9601): Rated 5A
Blown out of fuse
(D, DR PCB failure)
–
FL1 (LD1)
FL2 (LD2)
LD driver microprocessor status
a Status other than during normal
operation
* If all of the LD units has become
unlit, shut down
LD fails goes on. LD abnormal
Abnormality occurs on LD driver block
Abnormality occurs on LD driver relay
circuit (DR-PCB)
If both of LD1/LD2 fail, PJ
will be shutdown.
F61/F62
LD driver UART communication informa-
tion
a No response, abnormal response
Abnormality on the LD driver block
If both of LD1/LD2 fail, PJ
will be shutdown.
LIGHT blinks 2 times
FA8 (LD1)
FC8 (LD2)
LD driver microprocessor status
a Open failure
* If the LD element open failures
occur in all of the 8 bypass circuits,
PJ will shutdown because all LDs
do not light.
Abnormality on LD unit
Abnormality on LD driver block
* The WARNING indicator lights when two
or more LD element open errors occur in
either lighting case 1 or lighting case 2.
"LD* ERROR" when all
LDs fail, PJ will be shut-
down.
*1 : The threshold values are just reference temperature at operation mode (Normal), floor installed and less
than 1400m altitude. They are depending on the operating mode and installed condition.
Self check display can be confirmed on the OSD screen [SELF TEST] via the menu [PROJECTOR SETUP] ->
[STATUS]. They cannot be displayed at the shutdown.
INF-28
SECTION 1 SERVICE INFORMATION
< RZ120 >
5. 3. System log data acquisition method
* The log data acquisition via LAN terminal or serial terminal.
5. 3. 1. Equipment to be used
1. Computer : Use it for the log data acquisition.
2. Communication cable :
Serial terminal connection
D-sub 9pin (male/female RS-232C straight)
LAN terminal connection
LAN cable. (When connecting directly, use a cross cable)
3. Service tools : LogTool.exe [Ver. 2.0.0.8~] Download from the projector service Web (PASS).
5. 3. 2. Connection preparations
1. Check the settings of the projector.
Serial terminal connection
1) The [INPUT SELECT] of sub menu [RS-232C] must be set according to the connection method.
2) Enter the service mode and select item [EMULATE] of sub menu [RS-232C] of [PROJECTOR SETUP], and set to
[OFF].
3) Check the RS-232C settings (ID, Baudrate and Parity) and take a note.
LAN terminal connection
1) Select [DIGITAL LINK MODE] of sub menu [NETWORK], and set to [AUTO] or [ETHERNET].
2) Check the network IP address of the projector and take a note.
3) Set the IP address of computer within the same network group.
If you change the each menu settings, please return the settings to the original (customers) after work.
2. Connect the projector and the PC by using a communication cable.
Serial terminal connection example
LAN terminal connection example
Projector SERIAL IN
Communication cable (straight)
Computer
D-Sub 9P
(male)
D-Sub 9p (female)
LAN cable (straight)
LAN cable (straight)
Projector LAN
Computer
Hub
5. 3. 3. Acquisition of log data
1. Switch the projector to "Normal-Standby" mode (Power indicator is lighting in red).
2. Activate the [LogTool.exe] service tool.
INF-29
SECTION 1 SERVICE INFORMATION
< RZ120 >
4. Select [LAN] or [Serial] of connection method and setup the connection information to connect to the projector.
Serial terminal connection
• Setup the Baudrate and Parity according to the setting of [RS232C] of the projector and setup Port and then
click[Connect] button.
③
②
①
3. The projector connection setting window appears.
1) Select [Option] → [Password] to display the password input window.
2) Enter the service password and then click [OK] button.
①
②
③
INF-30
SECTION 1 SERVICE INFORMATION
< RZ120 >
2
In case of unknown IP address of projector
1) Select [Search] and setup the [IP Address/subnet mask] to the same network of the projector and Port(Command
port) and then click [Search] button.
①
②
③
2) After searching result, the available projectors are listed on the window as the below.
Check mark the projector for which you want to acquire the system log and then click [OK] button.
④
⑤
LAN terminal connection
1
In case of known IP address of projector
• Select [Manual] and setup the IP address, Port (Command Port) and then click [Connect] button.
①
③
②
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