Error Message/Maintenance Functions; Error Message; Normal Indication - Sony MAV-555A Maintenance Manual

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1-1. Error Message

This section describes the error messages that are dis-
played on the 8-bit LED on the board.
Board name Ref. No.
DM-127
D50 (MSB) to D57 (LSB)
D58 (MSB) to D65 (LSB)
FM-81
D301 (MSB) to D308 (LSB)
D751 (MSB) to D758 (LSB)
EM-3
D501 (MSB) to D508 (LSB)

1-1-1. Normal Indication

n
When the main power is turned on, the indication of the 8-
bit LED changes as shown below.
(
: Turns on.
: Turns off.)
1. Indication during booting
MSB
LSB
2. Version and release date indication
When boot-up is complete, the version and release date are
displayed. Two digits of these data are displayed at one
time respectively in binary notation.
Example : V2.20 on December 25th, 2001
MSB
LSB
: ROM version
: ROM version
: Calendar year
: Calendar year
: Month: "12"
: Day: "25"
MAV-555A
Section 1

Error Message/Maintenance Functions

For R1, P1 ports
For R2/P3, P2/R3
ports
FM block
TM block
(higher two digits) "02"
(lower two digits) "20"
(higher two digits) "20"
(lower two digits) "01"
3. Normal Indication
When the version indication terminates, the display
changes to the normal indication.
(1) For the FM-81 (FM, TM) and EM-3 boards
All of the 8 bits turn on one after another.
MSB
LSB
(2) For the DM-127 board
The higher 4 bits turn on one after another and the
lower 4 bits indicates the operating status.
MSB
LSB
*
* : Operating status of the board (lower 4 bits)
: CLOSE (when UNLOAD is completed)
: STOP (including the status of UNLOAD
being in progress)
: REC
: MUTE
: STILL
: JOG
: PLAY
: VAR
: SHUTTLE
: SEND
: RECEIVE
: COMPILE
: COPY
1-1 (E)

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