Pioneer PRO-141FD Service Manual page 133

5
[30] QNG Command
Command
Function Auxiliary
QNG For acquiring the 8 latest logs of shutdowns managed by the main microcomputer
Response format
Order Content
1 STX
2 Echo back
3 Data on the latest shutdown
4 Data on the 2nd latest shutdown
5 Data on the 3rd latest shutdown
6 Data on the 4th latest shutdown
7 Data on the 5th latest shutdown
8 Data on the 6th latest shutdown
9 Data on the 7th latest shutdown
10 Data on the 8th latest shutdown
11 Check sum
12 ETX
Shutdown (SD) data
Order Content
1 SD category data
2 SD subcategory data
3 HOUR METER
4 Dummy
5 Temperature data
SD category/SD subcategory
SD category
Cause for shutdown
(response)
"0" No SD (normal)
"5" Short-circuit of speakers
"6" Failure in communication with the Module microcomputer Without subcategory
"7" Failure in 3-wire serial communication
"8" Failure in IIC communication
"9" Other abnormalities
"A" FAN stop
"B" Abnormally high temperature
"D" Abnormal power supply voltage
"F" Abnormality in Main EEPROM
5
6
Outline of function
Length
Value
(BYTE)
1 0x02
3 "QNG"
12
12
Causes for the latest 8 shutdowns, hour-meter and
12
temperature data when each shutdown was generated
12 (See the table below for details.)
12
12
12
12
2 (CS)
1 0x03
Length
Value
(BYTE)
SD category data (See the table below for details.)
1
"0" when no SD was generated.
SD category data (See the table below for details.)
1
"0" when no SD was generated or with no subcategory
Hour-meter value (in hours) managed by the main microcomputer
If the value has fewer than 5 digits, the higher-order digits will be
5
padded with zeros.
2 Both bytes are padded with asterisks.
Temperature value in Centigrade when the SD was generated
If the temperature has fewer than 3 digits, the higher-order digits
3
will be padded with zeros. "0" when no SD was generated.
w/wo
SD subcategory
subcategory
(response)
Without subcategory "0"
Without subcategory "1"
"1"
"2"
With subcategory
"3"
"3"
"4"
"5"
With subcategory
"7"
"8"
"K"
"L"
Without subcategory "0"
"1"
With subcategory
"2"
Without subcategory "0"
Without subcategory "2"
Without subcategory "0"
PRO-141FD
6
7
Remarks
Remarks
Cause denoted by
subcategory
Failure in ARIA communication
Failure in IP microcomputer communication
Failure in audio IC communication
Failure in RGB Switch communication
Failure in VDEC communication
Failure in A/D communication
Failure in HDMI receiver
Failure in temperature sensor communication
Failure in extension IO communication
Stop of the fan for the power supply system
Stop of the fan for the drive system
Abnormally temperature
Abnormal power supply voltage
Abnormality in Main EEPROM
7
8
A
B
C
D
E
F
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