Panasonic SA-VK91D, Service Manual

Page: 27 / 155

Item Operational
Condition and Key
Function
Details Display TO Exit Mode
Jitter display While the player is
stopped and no disc is
inserted,
press and
hold down the
button on the player
and
the number
button, “5” on the
remote controller unit.
Jitter display
Measures
and displays jitter.
Measurement is repeated every
second. Read error counter starts at 0
at the mode setting, and increased by
one as data read fails at target block. A
small defect is allowed to correct by
retry. Any possibility is counted as one
increment. Repetitive errors after retry
increase by two levels or more.
J
*1
xxx
*2
_yyy
*3
_zz
*4
*1
: Jitter display mode
*2
: Jitter measurement value
*3
: Read error counter
*4
: Focus driving value
Values are shown to one decimal
place in the decimal digit. Focus
driving value is displayed in the
hexadecimal digit.
Press the STOP or
OPEN button.
Error code display While the player is
stopped and no disc is
inserted,
press and
hold down the
button on the player
and
the number
button, “0” on the
remote controller unit.
Error code display
Displays the latest error code stored in
EEPROM. DVDnn_F---
*nn: Error history
*--: Error number
DVD 01 FOBF
Press the OPEN
button.
Measurement of laser
current
electricity
initialization value
While the player is
stopped and no disc is
inserted,
press and
hold down the
button on the player
and the
button
on the remote
controller unit.
Measurement of laser current
electricity initialization value
Memorizes each initialization value of
DVD and CD in EEPROM.
LDO
*1
_013
*2
_032
*3
*1
: Laser current electricity
measurement mode
*2
: DVD current electricity value
*3
: CD current electricity value
Values are shown in the decimal
digit. The above example indicates
that the current electricity
initialization value is 13mA at DVD
laser and 32mA at CD laser when
laser is turned on.
Automatically exits
the mode after five
seconds.
Measurement of DVD
laser current electricity While the player is
stopped and no disc is
inserted,
press and
hold down the
button on the player
and
the DISPLAY
button on the remote
controller unit.
Measurement of DVD laser current
electricity
Measures DVD laser current electricity
and displays the result together with
the
initialization value stored in
EEPROM. After measurement, DVD
laser is lit till the power is turned off (or
goes off when the primary power is
turned off).
LDD
*1
_012
*2
_014
*3
*1
: DVD laser current electricity
measurement mode
*2
: Current electricity initialization
value stored in EEPROM
*3
: Present value of current
electricity
Values are shown in the decimal
digit. The above example indicates
that the current electricity
initialization value is 12mA and its
present value is 14mA.
Automatically exits
the mode after five
seconds.
ADSC internal RAM
display While the player is
stopped and no disc is
inserted,
press and
hold down the
button on the player
and the number button
“1” or “2” on the remote
controller unit.
ADSC internal RAM display
Reads and displays the RAM value
inside ADSC. The address is renewed
when the CLEAR key is pressed so
that the values at eleven points appear. A
*1
_FB0
*2
_0000
*3
*1
:ADSC internal RAM display
mode
*2
: Address
*3
: RAM value at displayed
address
Values are shown in the
hexadecimal digit. The above
example indicates that ADSC
value at the address, FB0h is
0000h.
Press the STOP or
OPEN button.
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SA-VK91DGCS / SA-VK91DGCP