Read Sony DHC-MD313 / HCD-MD313 (serv.man2) Service Manual online
– 18 –
4-10. FUNCTIONS OF OTHER BUTTONS
Table 4-3.
Button
Contents
r REC
Turns recording on/off when pressed during
continuous playback.
continuous playback.
§ (MD)
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
tion tab when the
r REC button is pressed.
4-11.
TEST MODE DISPLAYS
Each time the POWER button pressed, the display changes in the
following order.
following order.
Note: Auto gain display and IVR display are not used in servicing.
Mode
display
Error rate
display
Address display
ADIP address
display
SUB Q address
display
Auto gain
display
IVR
display
Change over the display with the
POWER button.
POWER button.
1. MODE display
Displays “TEMP ADJUST”, “CPLAY MODE”, etc..
2. Error rate display
Error rates are displayed as follows.
C1=
C1=
AD=
C1= : Indicates C1 error
AD= : Indicates ADER
AD= : Indicates ADER
3. Address display
Address are displayed as follows.
h=
h=
a=
(MO groove)
With this display, if POWER button is pressed, the following
will be displayed.
h=
will be displayed.
h=
s=
(MO pit and CD)
h=: Header address
s=: SUB Q address
a=: ADIP 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 =
AG =
/
[
]
A B C
A= Focus servo gain coefficient
B= Tracking servo gain coefficient
C= [OK] or [NG] or [ - -] (not converged)
B= Tracking servo gain coefficient
C= [OK] or [NG] or [ - -] (not converged)
4-12. MEANINGS OF OTHER DISPLAYS
Table 4-4.
Display
Contents
Light
Off
REC
Recording mode on
Recording mode off
DISC
High reflection rate disc
Low reflection rate disc
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