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4. Service Modes
4-1 General
(1) The service modes are of a command input type using LANC communication.
(2) In the command-input-type service mode, operation mode transition in the main unit can be performed using the keys equipped on
it. Also, by returning the HOLD SW to the normal mode position, the operation mode transition on the main unit can be pefrormed
with the service remote controller.
(3) In the command-input-type service mode, the mechanism error, dew, insufficiency of power and other safety detecting functions
are ineffective.
(4) In the command-input-type service mode, the LCD mirror function is ineffective.
4-2 Service Mode Indications
Shown below are the on-screen indications to be given in the service modes.
1)
Indicates that the service mode is set up ("SERV").
2)
Indicates which block is subjected to the command ("MAIN", "CAM", "SUB" microcomputer etc.).
3)
Indicates a message for a special command ("DATA", "SUB" etc.).
4)
PG
: Indicates the PAGE being selected ("4" to "7").
5)
BK
:Indicates the BANK being selected ("0" to "7").
6)
MD
:Indicates the MODE being selected (RD/WR).
7)
ADDR
: Indicates the ADDRESS being selected in hexadecimal (**00 to **FF, 0000 to FFFF).
8)
DT
: Indicates the DATA being read or set in hexadecimal (00 to FF).
9)
DT
: Indicates the DATA being read or set in binary (********), except for some special functions.
10) ST
: Indicates the STATUS in progress ("OK","NG", "BUSY" etc.).
11) Indicates an absolute track number.
12) E0
: Indicates an error rate on a track traced by the CH0 (low channel) head.
13) E1
: Indicates an error rate on a track traced by the CH1 (high channel) head.
14) Indicates a version number of the MAIN microcomputer.
15) Indicates a version number of the SUB microcomputer.
16) Indicates a version number of the CAMERA microcomputer.
17) Indicates a firmware version for Card control. (MC model only)
CAHPTER 3. INFORMATION FOR REPAIR · SERVICE HINTS
(
)
(
)
S ERV
2
3
:
0
1
P
G B K MD ADDR D T S
(
)
(
)
(
)
(
)
5
6
7
4
(
)
)
0 (
(
E
E1
13
12
Fig. 3-3
3-4
ELURA20 MC A, ELURA10 A
O
S T
P
:
:
0
0
0
0
0
0
(
)
11
T
(
)
(
)
10
8
)
9
(
)
CD
17
(
)
MA
14
(
)
MD
15
(
)
CA
16
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