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Each time the  DISPLAY  button is pressed, the display changes in the following order.
When CPLAY and CREC are started, the display will forcibly be switched to the error rate display as the initial mode.

Displays “TEMP ADJUS”, “CPLAY2MODE”, etc.

Displays the error rate in the following way.

C1 =         AD =   
C1 = Indicates the C1 error.
AD = Indicates ADER.

The address is displayed as follows. (MO:recordable disc, CD:playback only disc)
h =         s =         (MO pit and CD)
h =         a =         (MO groove)
h = Indicates the header address.
s = Indicates the SUBQ address.
a = Indicates the ADIP address.

Note: “–” is displayed when the address cannnot be read.

Mode display

Error rate display

Address display

Auto gain display (Not used in servicing)

Detrack check display (Not used in servicing)

IVR display (Not used in servicing)

C1 error and Jitter display

(Not used in servicing)

AD error and Jitter display

(Not used in servicing)

POWER “X2”

Reset system and exit from test mode

REC “X2”

Switch CLV mode (CLVS y CLVA)

DISPLAY

Switch display mode

REC MODE “X2”

Switch between bits and groups in servo data

EJECT

Eject disc

7 PLAY “X2”

Turn servo on (When servo is already on, this key is used to switch the TRK servo on and off.)

x STOP “X2”

Turn servo off

> “X2”

Move SLED towards outer circumference

. “X2”

Move SLED towards inner circumference

CD SYNCHRO

Clear PIT and GRV settings and check for PIT and GRV again

REC

When servo is on, this key is used to begin recording from the current position

DISPLAY “X2”

Used primarily to switch to link sector skip during CPLAY

INPUT

Shift key

26

Servo OFF

Tracking servo ON

Recording mode OFF

CLV normal mode

Tracking offset cancel OFF

Groove

Low reflection

CLV A

CLV UNLOCK

Do not skip ring sector

Servo ON

Tracking servo OFF

Recording mode ON

CLV low speed mode

ABCD adjustment completed

Tracking offset cancel ON

Tracking auto gain OK

Focus auto gain OK

Pit

High reflection

CLV S

CLV LOCK

Skip ring sector

Shift key used to change meaning of keys

EF BAL being changed

7 PLAY (LED: GREEN)

7 PAUSE (LED: UMBER)

REC

TOC EDIT

L.SYNC

OVER(Ber of level meter)

B/1 (REP)

A-/REP

LP4

LP2

SHUF

MONO

TOC EDIT of frame

X2

PGM

This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up.
To perform this test mode, the laser power must first be checked.
Perform “AUTO CHECK” after the “LDPWR CHECK” and “Iop compare”.

Procedure
1. Press the  7  button. If “LDPWR                   ” is displayed, it means that the laser power check has not been performed. In this case,

perform the “LDPWR CHECK” and “Iop compare”, and then repeat from step 1.

2. If a disc is in the mechanical deck, it will be ejected forcibly.

“DISC IN” will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.

3. If a disk is loaded at step 2, the check will start automatically.
4. When “XX CHECK” is displayed, the item corresponding to XX will be performed.

When “06 CHECK” completes, the disc loaded at step 2 will be ejected. “DISC IN” will be displayed. Load the check disc (MD) TDYS-1.

5. When the disc is loaded in step 4, the check will automatically be resumed from “07 CHECK”.
6. After completing to test item 12, check OK or NG will be displayed. If all items are OK, “CHECK ALL OK” will be displayed. If any item

is NG, it will be displayed as “NG:xxxx”.

When “CHECK ALL OK” is displayed, it means that the optical pick-up is normal. Check the operations of the other spindle motor, thread
motor, etc.
When displayed as “NG:xxxx”, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.

Display the software version.

Procedure
1. If displayed as “INFORMATION”, press the  7  button.
2. The software version will be displayed.
3. Press the x  button to end this mode.

If the nonvolatile memory data is abnormal, “E001”/”MEMORY NG” will be displayed so that the MD deck does not continue operations.
In this case, set the test mode promptly and perform the following procedure.

Procedure
1. Set the test mode. (Refer to 4-2.)
2. Normally a message for selecting the test mode will be displayed. However if the nonvolatile memory is abnormal, the following will be

displayed. “INIT EEP?”

3. Press the  x  button and  A  button together.
4. Press the  .  or  >   button and select MDM-7X2B.
5. Press the  POWER“X2”  button. If the nonvolatile memory is successfully overwritten, the normal test mode will be set and a message to

select the test mode will be displayed.

27

Vxxxxxxxxx

Node unique ID
Root Yes  (No)
NID. xxxx/xx
Forceroot

B. Rst xxx

G.C xx

Async xxx

1. Hold the  INPUT  button and  x  button down.
2. Version information will then be displayed on the display.
3. Press the  .  or  >  button to select the mode.
4. Press the  DISPLAY  button to exit from i.LINK mode.

Press the REC MODE button to clear the counter.

Not used service
Not used service
Not used service

A bus reset is performed if
signals cannot be transmitted as
a result of failed connector or
cable connections.

Not used service

The counter is incremented
whenever a command is
received from another unit.
A ping signal should be
transmitted from another unit to
check to make sure that the
counter has been incremented
and that commands may be
received properly.

Not used service

DISPLAY ‘0’, ‘1’, and ‘2’ will be displayed each time the  DISPLAY  button is pressed and the command will then be executed.

1

2
3
4
5

6

7

8

9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

0008 zzzzzzzz
0018 zzzzzzzz

001C zzzzzzzz

0204 zzzzzzzz
0210 zzzzzzzz
0220 zzzzzzzz
0224 zzzzzzzz
0228 zzzzzzzz
0900 zzzzzzzz
0904 zzzzzzzz
0980 zzzzzzzz
0984 zzzzzzzz
0000 zzzzzzzz
0004 zzzzzzzz
0008 zzzzzzzz

000C zzzzzzzz

0010 zzzzzzzz
0014 zzzzzzzz
0018 zzzzzzzz

001C zzzzzzzz

0020 zzzzzzzz
0024 zzzzzzzz
0028 zzzzzzzz

002C zzzzzzzz

0030 zzzzzzzz
0034 zzzzzzzz
0038 zzzzzzzz

003C zzzzzzzz

0040 zzzzzzzz
0044 zzzzzzzz
0048 zzzzzzzz

004C zzzzzzzz

0050 zzzzzzzz
0054 zzzzzzzz
0058 zzzzzzzz

005C zzzzzzzz

0060 zzzzzzzz
0064 zzzzzzzz
0068 zzzzzzzz

Firmware version
Display firmware update number
Display Node unique ID
Display root
Number of units connected to Node ID
Bus reset

Pressing the  REC MODE  button will be executed

Bus reset counter
Display total number of times bus has
been reset
Pressing the  REC MODE  button resets
this counter to zero.
Gap count
Display current gap count
ASYNC packet reception counter
Display the total number of ASYNC
packets (excluding ACK) received so far.
Pressing the  REC MODE  button resets
this counter to zero.

Node ID Register
Split Timeout Hi Register
Split Timeout Low Register
Bus Time Register
Busy Timeout Register
Bandwidth Available Register
Channel Available Hi Register
Channel Available Low Register
Output Master Plug Register
Output Plug Control Register
Input Master Plug Register
Input Plug Control  Register
LINK IC Register [00]
LINK IC Register [04]
LINK IC Register [08]
LINK IC Register [0C]
LINK IC Register [10]
LINK IC Register [14]
LINK IC Register [18]
LINK IC Register [1C]
LINK IC Register [20]
LINK IC Register [24]
LINK IC Register [28]
LINK IC Register [2C]
LINK IC Register [30]
LINK IC Register [34]
LINK IC Register [38]
LINK IC Register [3C]
LINK IC Register [40]
LINK IC Register [44]
LINK IC Register [48]
LINK IC Register [4C]
LINK IC Register [50]
LINK IC Register [54]
LINK IC Register [58]
LINK IC Register [5C]
LINK IC Register [60]
LINK IC Register [64]
LINK IC Register [68]

28

48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

006C zzzzzzzz
0070 zzzzzzzz
0074 zzzzzzzz
0078 zzzzzzzz
007C zzzzzzzz
0080 zzzzzzzz
0084 zzzzzzzz
0088 zzzzzzzz
0090 zzzzzzzz
0094 zzzzzzzz
0098 zzzzzzzz
00A0 zzzzzzzz
00A4 zzzzzzzz
00A8 zzzzzzzz
00AC zzzzzzzz
00B0 zzzzzzzz
00B4 zzzzzzzz
00B8 zzzzzzzz
00BC zzzzzzzz
00C0 zzzzzzzz
00C4 zzzzzzzz
00C8 zzzzzzzz
00CC zzzzzzzz
00D0 zzzzzzzz
00D4 zzzzzzzz
00D8 zzzzzzzz
00DC zzzzzzzz
00E0 zzzzzzzz
00E4 zzzzzzzz
00F0 zzzzzzzz
00F4 zzzzzzzz
00F8 zzzzzzzz
00FC zzzzzzzz

LINK IC Register [6C]
LINK IC Register [70]
LINK IC Register [74]
LINK IC Register [78]
LINK IC Register [7C]
LINK IC Register [80]
LINK IC Register [84]
LINK IC Register [88]
LINK IC Register [90]
LINK IC Register [94]
LINK IC Register [98]
LINK IC Register [A0]
LINK IC Register [A4]
LINK IC Register [A8]
LINK IC Register [AC]
LINK IC Register [B0]
LINK IC Register [B4]
LINK IC Register [B8]
LINK IC Register [BC]
LINK IC Register [C0]
LINK IC Register [C4]
LINK IC Register [C8]
LINK IC Register [CC]
LINK IC Register [D0]
LINK IC Register [D4]
LINK IC Register [D8]
LINK IC Register [DC]
LINK IC Register [E0]
LINK IC Register [E4]
LINK IC Register [F0]
LINK IC Register [F4]
LINK IC Register [F8]
LINK IC Register [FC]

NOTE: • It is only the indication of DISPLAY 0 from No. 1 (Vxxxxxxxx) to No. 8 (Async xxx).

• It is only the indication of DISPLAY 1 from No. 9 (Note IDR) to No. 80 (LINK IC [FC]).