Filter
Top Products
5-8 5-8
CDR
DC-ERASE MODE
SERVICE TESTPROGRAM
CDR MODULE
DC-ERASE
finished?
N
Y
BURN IN MODE
CDR MODULE
Display shows:
HH BI RE FE
DC-ERASE MODE
starts.
Record complete disc
from analog source
with normal speed.
Display shows:
HH BI RE FE
Complete disc
recorded?
N
Y
Error detected?
N
Y
Finalize disc
with double speed.
Display shows:
HH BI RE FE
HH stands for the number of hours
the test was running
BI stands for Burn In test
RE number of errors detected during
DC erase and write mode
FE number of errors detected during
Finalizing the disc
CDR79x servtest CDR module, 240402
Y
Disc erased?
N
Y
N
Y
Complete disc will be
erased with 4x speed.
(starting from PMA-area
up to and including
ATIP leadout area)
The display shows the
countdown of the
remaining time required
to complete the operation:
ER mm ss
Display shows:
PASSED
mm: remaining minutes
ss: remaining seconds
STOP
button
pressed?
Exit DC-ERASE Mode
Note: With the DC-Erase mode the CD-RW can be
changed back in its original state, like a new disc.
Stopping the erase-function by switching power off
will leave the disc in an unpredictable status!
TEST O.K.?
NN
Y
YY
CDR
ELECTRICAL TEST
Insert CD-DA disc
before starting the test
MODULE INFORMATION
MOZART BOARD DIAGNOSTIC
CDR - LOADER TEST
SDRAM TEST 7100
Display shows:
DTST1
CHECKSUM TEST 7101
Display shows:
DTST2
ERASE TEST 7101
Display shows:
DTST3
COMMUNICATION TEST
(UART-BUS)
Display shows:
DTST4
Display shows:
DERR
n
n=number of failed test
Display shows next error
CDR
T button
pressed?
N
Y
Y
Y
all errors shown?
N
N
N
TEST O.K.?
NN
Y
Y
Display shows:
BERR 1
Display shows:
PASSED
for 3s
The test is performed by
playing 5s at beginning,
5s in the middle and 5s at
the end of the disc.
Display shows actual
playing time.
Note: The BURN-IN mode is an endless cycle of
*
DC erase, to erase the CD-RW disc with max. laser power
*
Recording a CD-RW disc with speed N=1
*
and Finalizing with double speed
This test is intended to check the quality of a CDR loader and
to detect intermittent failures.
Exit CDR electrical Test Exit CDR electrical Test
Display shows for 5s:
MO XXXX BXXXX
• MO xxxx stands for
Software version of
MOZART
(flash ROM 7101)
• Bxxxx stands for
Software version of
Basic engine processor
(flash EPROM 7017)
CDR
T button
pressed?
CDR
T button
pressed?
CDR
T button
pressed?
CDR
T button
pressed?
S
*
To leave Service Testprogram plug mains cord off.
*
In the main menu the sound settings (volume, ...)
and trays work as in normal mode.
Display shows
version number
of the µP - software.
To enter Service
Testprogram hold
PLAY & REC
buttons
depressed while
plugging mainscord in.
S-CDR795-VXX
CDR
ALBUM +
button
pressed?
N
Y
ERASE CD
button
pressed?
N
Y
RECORD
button
pressed?
N
Y
VXX
stands for Service mode
stands for Version number
of the software used in the
Front (Display) µP.
SERVICE TESTPROGRAM
CDR MODULE