Pioneer PDP-434PU Service Manual page 52

1
• Description on power-down
Data Power-down Point
0 No power-down
A
Not used (for MR-POWER)
1
2 Panel-POWER SUPPLY
3 SCAN
4 SCN-5V
5 Y-DRIVE
6 Y-DCDC
7 Y-SUS
8 ADR
9 X-DRIVE
A X-DCDC
B X-SUS
C DIG-DCDC
Reservation
B D
E Reservation
F Power-down point unidentified
GPW: Obtaining panel white-balance adjustment values
Order
1 W/B table currently used
2 Main contrast
3 Red contrast of W/B adjustment value
4 Green contrast of W/B adjustment value
5 Blue contrast of W/B adjustment value
6 Main brightness
7
Red brightness of W/B adjustment value
8 Green brightness of W/B adjustment value
C
9
Blue brightness of W/B adjustment value
Note: Ignore the 2-byte checksum at the end.
GS1: Obtaining information on the unit, such as the software version (1)
Order
1 Display data
2
Version of the module microcomputer
3 IC4-MANTA version
4
Sequence version (43VIDEO)
5 Sequence version (43PC)
6
Sequence version (50VIDEO)
7 Sequence version (50PC)
8
Version of the IF microcomputer
D
9 Version of the main microcomputer
10
IC3-MANTA version
11 Version of the OSD
Note: Ignore the 2-byte checksum at the end.
(Reference) GS2: Obtaining information on the status of the unit
Order
1
Notifying that the unit is shifting to Standby mode
2 Whether or not the main unit has been adjusted
3
With/without backup for adjustment values
4 Data on power-down
5
Data on temperature (TEMP1)
6
Abnormality in RST2 (power decrease of DC-DC converter)
E
7 IC4 communication failure
8 EEPROM communication failure
9 Audio failure
10 Volume IC communication failure
11 Backup ROM communication failure
12 Data on temperature (TEMP1) not obtained
13
Operational status of panel protection mechanism
14 Reservation
15
Hour meter
Notes: • Ignore the 2-byte checksum at the end.
• The data expected to be used for service may be "5. Data on temperature" and "15. Hour meter".
F
52
1
2
Data
Data
Data
PDP-434PU
2
3
Size Remarks
3 bytes PT1 - PT3
4 bytes 0000 - 0511
4 bytes 0000 - 0511
4 bytes 0000 - 0511
4 bytes 0000 - 0511
4 bytes 0000 - 1023
4 bytes 0000 - 1023
4 bytes 0000 - 1023
4 bytes 0000 - 1023
GS6: Virsion (2)
Size Order
3 bytes 1
4 bytes 2 (∗1) Version of DTV
4 bytes 3 (∗1) Version of CC
4 bytes 4 (∗2) PC - CARD
4 bytes 5 (∗2) TEXT
(∗1) PU ONLY : Order 4,5 ∗∗
4 bytes
(∗2) PE ONLY : Order 2,3 ∗∗
4 bytes
4 bytes
4 bytes
4 bytes
4 bytes
Size
1 byte 1: OK for shifting to Standby
1 byte 0: Adjusted, 1: Not adjusted
1 byte 0: With backup, 1: Without backup
2 bytes 1st byte: 1stPD, 2nd byte: 2ndPD
3 bytes
0: Normal, 1: SD process completed, 2: In the process of SD warning
1 byte
0: Normal, 1: SD process completed, 2: In the process of SD warning
1 byte 0: Normal, 1: SD process completed, 2: In the process of SD warning
1 byte
0: Normal, 1: SD process completed, 2: In the process of SD warning
1 byte
0: Normal, 1: SD process completed, 2: In the process of SD warning
1 byte
0: Normal, 1: SD process completed, 2: In the process of SD warning
1 byte
0: Normal, 1: SD process completed, 2: In the process of SD warning
1 byte
0: Normal, 1: SD process completed, 2: In the process of SD warning
1 byte
0: Protection mechanism not activated, 1: Protection mechanism activated
9 bytes ∗∗∗∗∗∗∗∗∗∗
7 bytes 1st-5th byte: Hour, 6th-7th byte: Minute
3
4
Data Size
Display data 3 bytes
4 bytes
4 bytes
8 bytes
60 bytes
Remarks
4