Service manual

37
PZ-43HV2, PZ-43HV2E
PZ-43HV2U
When a module microcomputer failed in communication with a panel
microcomputer, this NG occurs.
Shut down after OSD display for 30 seconds from the NG detection.
Abnormality to expect
Open / Short of communication line in the Assy
1Panel microcomputer NG
When a module microcomputer failed in communication with outside
EEPROM or EXPANDER, this NG occurs.
Shut down after OSD display for 30 seconds from the NG detection.
* However, this communication NG may occur in the standby state.
Abnormality to expect
• Open / Short of communication line in the DIGITAL VIDEO, MR INTERFACE
and AUDIO Assys
• Breaking of wire of the following points is thought about.
DIGITAL VIDEO Assy (D1) ↔ SW POWER SUPPLY Module (P2)
DIGITAL VIDEO Assy (D3) ↔ MR INTERFACE Assy (R3)
MR INTERFACE Assy (R23) ↔ AUDIO Assy (A24)
System Cable
2DIGITAL-IIC communication NG
When it becomes the dew drop state in this unit, this NG occurs.
After the dew drop detection, shut down immediately.
Abnormality to expect for dew drop
Disconnect a connector CN2002 between Dew drop sensor and Y DRIVE Assy.
3Dew drop detection
When temperature of this unit became abnormally high, this NG occurs.
Shut down after OSD display from the NG detection for 30 seconds.
Note: When temperature fell down during indication, return to the normal operation.
Abnormality to expect when it occurs in the environment that is not
high-temperature
• Disconnect a connector between DIGITAL VIDEO Assy (D18) and
temperature sensor 1 (TE1).
Shut down temperature of each temperature sensor
Sensor Temp 78
4Temperature abnormality
Reference
Shut down diagnosis
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
CENTE
1/13
RVers
OSD Ve r s i o n
CV I C Ve r s i o n
TTXP Ve r s i on
ion
MON I T OR V e r s i o n
Mode l S l eect inMa
Mode l S l eectAV
Mode l S l eect
Cen t e r cuAtime
MON I TOR
RESET
RESET OFF
RESET OFF
OFF
+
0
0
4
28
F6 91 10
TTX RPG
W2 0 0 /109 0 009:12/X200/109 0 079:12/V20
061
0/109 0 109:12/
MR O DS2 0109A//010
MR M IAN 0021E
-05
-00
PANEL Ve r s i on
FLASH Ve r s i on
MON I TOR Mo d e l
Mon i t o r Ac u t ime 47 H 4 2 M
H41M16
01
Pu l se Acu t ime 164
Sensore Temp
025H9//
NPIU S1GINoT
E06
E06
E04