Functions Of Other Buttons; Test Mode Displays; Meanings Of Other Displays - Sony HCD-MD515 - Component For Dhcmd515 Service Manual

4-10. FUNCTIONS OF OTHER BUTTONS

Table 3.
Button
Sets continuous playback when pressed in the STOP
state. (servo all on)
fl
When pressed during continuous playback, the tracking
and sled servo turns on/off.
Stop continuous playback and continuous recording.
p
(servo all off)
The sled moves to the outer circumference only when
)
this is pressed.
The sled moves to the inner circumference only when
0
this is pressed.
REC/CD-MD Turns recording on/off when pressed during continuous
SYNC playback.
Switches between the pit and groove modes when
SHUFFLE
pressed.
Switches between the CLV-S (pull-in mode) and CLV-
CONTINUE A (playing servo) modes when pressed. (Switches the
spindle servo mode.)
Switches the display when pressed.
DISPLAY
Returns to previous step. Stop operations.
REPEAT
Releasing the test mode
6 Disc eject
Note: The erasing-protection tab in not detected during the test mode.
Recording will start regardless of the position of the erasing-protec-
tion tab when the REC/CD-MD SYNC button is pressed.

4-11. TEST MODE DISPLAYS

Each time the DISPLAY button pressed, the display changes in
the following order.
Mode
display
Address display
ADIP address
display
Change over the display with the
SHUFFLE button.
Auto gain
display
Note: Auto gain display and IVR display are not used in servicing.
Contents
Error rate
display
SUB Q address
display
IVR
display
– 23 –
1. MODE display
Displays "TEMP ADJUST", "CPLAY MODE", etc..
2. Error rate display
Error rates are displayed as follows.
C1= AD=
C1= : Indicates C1 error
AD= : Indicates ADER
3. Address display
Address are displayed as follows.
h= a= (MO groove)
With this display, if SHUFFLE button is pressed, the follow-
ing will be displayed.
h= s= (MO pit and CD)
h=: Header address
a=: ADIP address
s=: SUB Q address
Note: "—" is displayed when the address cannot be read.
4. Auto gain display
Auto gain are displayed as follows.
AG = / [ ]
A B C
A= Focus servo gain coefficient
B= Tracking servo gain coefficient
C= [OK] or [NG] or [ - -] (not converged)

4-12. MEANINGS OF OTHER DISPLAYS

Table 4.
Display
Light
During continuous
(
playback (servo all on)
REC
Recording mode on
ALL DISCS
CLV lock state
TRACK Pit mode
High reflection rate
DISC
disc
Spindle servo
REPEAT CLV-S
(pull-in mode)
LEVEL- ABCD adjustment
SYNC completed
Focus auto gain
SHUFFLE
successful
Tracking auto gain
PROGRAM
successful
Contents
Blinking
Off
Stop state
—
(servo all off)
Recording
—
mode off
—
CLV unlock state
Groove mode —
Low reflection rate
—
disc
Spindle servo
—
CLV-A
(playing mode)
—
Not adjustment
Focus
auto gain
—
suc-
cessful.
Tracking
—
auto gain
failed.