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DISPLAY IN THE TEST MODE
Each time the LOWER DISPLAY button pressed, the display changes in the following order.
MODE display
Displays “TEMP ADJUST”, “CPLAY MODE”, etc.
Error rate display
Error rates are displayed as follows.
C=
AD=
C =: Indicates the C1 error
AD =: Indicates ADER.
Address display
Addresses are displayed as follows. (MD: recordable disc, CD: playback only disc)
If the CLEAR button is pressed in this state, the display toggles between
the groove display and the pit display.
h =
s =
(MD pit and CD)
h =
a =
(MD groove)
h =: Indicates header address.
s =: Indicates SUBQ address.
a =: Indicates ADIP address.
Note:
The display “_” appears when the servo cannot be locked in and the address cannot be read.
Auto gain display (This display is not used during servicing.)
The auto gain display is as follows.
AG =
/
[
Detrack check display (This display is not used during servicing.)
The detrack check display is as follows.
ADR =
IVR display (This display is not used during servicing.)
The IVR display is as follows.
[
] [
] [
MEANING OF OTHER DISPLAYS
Display
Contents
When turned on
When turned off
·
(LED: green)
During continuous playback (CLV:ON)
STOP (CLV: OFF)
P
(LED: amber)
Tracking servo OFF
Tracking servo ON
REC
Recording mode ON
Recording mode OFF
SYNC
CLV low speed mode
CLV normal mode
L-SYNC
ABCD adjustment completed
OVER
Tracking offset cancel ON
Tracking offset cancel OFF
REPEAT
Tracking auto gain successful
(REPEAT) 1
Focus auto gain successful
TRACK
Pit mode
Groove mode
DISC
High reflection
Low reflection
SHUFFLE
CLV-S
CLV-A
MONO
CLV LOCK
CLV UNLOCK
IT
LIMIT IN
↓
Mode display
↓
Error rate display
↓
Address display
↓
Auto gain display (Not used during servicing.)
↓
Detrack check display (Not used during servicing.)
↓
IVR display (Not used during servicing.)
↓
Summary of Contents for HCD-MD555
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Page 74: ...HCD MD555 95 96 7 20 SCHEMATIC DIAGRAM PANEL SECTION Refer to page 110 for IC Block Diagrams ...
Page 122: ... 148 MEMO HCD MD555 ...