Sony FWD-50PX3 - 50" Plasma Panel, Service Manual

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4-7
FWD-50PX3
3. F100h
FWD-50PX3 dedicated protocol packets can be transmit-
ted to the main microcomputer of FWD-50PX3 as ID Talk
data according to the FWD-50PX3 dedicated protocol.
The response of protocol is returned as the data of ID Talk
response packets.
Refer to the dedicated protocol manual for details on the
FWD-50PX3 dedicated protocol.
4-7-6. Error Codes
An error code list and its details are shown in the table
below.
Category Error Error
code
Item Error (01
**
h) Invalid Item 01h
Invalid Item Request 02h
Invalid Length 03h
Invalid Data 04h
Short Data 11h
Not Applicable Item 80h
Community Error Different Community 01h
(02
**
h )
Request Error(10
**
h) Invalid Version 01h
Invalid Category 02h
Invalid Request 03h
Short Header 11h
Short Community 12h
Short Command 13h
Network Error (20
**
h ) Timeout 01h
Comm Error (F0
**
h ) Timeout 01h
Check Sum Error 10h
Framing Error 20h
Parity Error 30h
Over Run Error 40h
Other Comm Error 50h
Unknown Response F0h
NVRAM Error (F1
**
h ) Read Error 10h
Write Error 20h
1. Item errors
An item error occurs when the Item No. or Data of a
request is invalid. The conditions under which each error
occurs are described below.
Invalid Item
When Item No. that is not supported is specified
Invalid Item Request
When Item No. is supported, but Request that is not
supported is requested
Invalid Length
When the Data Length of the specified Item No. is too long
Invalid Data
When the Data of the specified Item No. differs in the
setting range
Short Data
When the length of data differs from the value specified
using Data Length
Not Applicable Item
When an item that is not valid at present is specified
2. Community error
This error occurs when community differs.
3. Request errors
These errors occur when a header or command is invalid.
The conditions under which each error occurs are
described below.
Invalid Version
When the version of a header is other than 2
Invalid Category
When a category differs
Invalid Request
When a request that is not supported is specified
Short Header
When the received data is 1 byte
Short Community
When the received data is 2 to 5 bytes
Short Command
When the received data is 6 to 9 bytes
4. Network error
This error occurs in TCP/IP. The conditions under which
an error occurs are described below.
Timeout
When communication was interrupted halfway