Eep Mode; Functions Of Other Buttons; Test Mode Displays; Meanings Of Other Displays - Sony HCD-EX770 Service Manual

4-8. EEP MODE

This mode reads and writes the contents of the non-volatile
memory.
It is not used in servicing. If set accidentally, press the
EDIT/NO button immediately to exit it.

4-9. FUNCTIONS OF OTHER BUTTONS

Table 4-3.
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
p
recording. (servo all off)
The sled moves to the outer circumference
)
only when this is pressed.
The sled moves to the inner circumference
0
only when this is pressed.
Turns recording on/off when pressed during
r REC
continuous playback.
Switches between the pit and groove modes
SCROLL
when pressed.
Switches between the CLV-S (pull-in mode)
PROGRAM
and CLV-A (playing servo) modes when
pressed. (Switches the spindle servo mode.)
DISPLAY/
Switches the display when pressed.
CHARAC-
Returns to previous step. Stop operations.
TER
§ EJECT
Disc eject
Note: The erasing-protection tab in not detected during the test
mode. Recording will start regardless of the position of
the erasing-protection tab when the r REC button is
pressed.

4-10. TEST MODE DISPLAYS

Each time the DISPLAY/CHARACTER button pressed, the dis-
play changes in the following order.
Mode
display
Address display
ADIP address
display
Change over the display with the
SCROLL 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
– 26 –
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 SCROLL button is pressed, the follow-
ing will be displayed.
h= s= (MO pit and CD)
h=: Header address
s=: SUB Q address
a=: ADIP address
Note: "—" is displayed when the address cannot be read.
4. Auto gain display
Auto gain are displayed as follows.
AG F= T=
F= Focus auto gain collection value
T= Tracking auto gain collection value

4-11. MEANINGS OF OTHER DISPLAYS

Table 4-4.
Display
Light
During continuous
(
playback (servo all
on)
Tracking and sled
P
servo off
REC
Recording mode on
REC
CLOCK CLV lock state
TRACK Pit mode
High reflection rate
DISC
disc
Spindle servo
DATE CLV-S
(pull-in mode)
ABCD adjustment
A.SPACE
completed
Focus auto gain and
AÐB
tracking auto gain
successful
Contents
Off Blinking
Stop state
Ñ
(servo all off)
Tracking and
Ñ
sled servo on
Recording
Ñ
mode off
CLV unlock
Ñ
state
Groove mode Ñ
Low reflection
Ñ
rate disc
Spindle servo
Ñ
CLV-A
(playing mode)
Ñ
Not adjustment
Focus
auto
gain
suc-
Ñ
cessful,
tracking
auto
gain
failed