Philips FW-V320/21M Service Manual page 21

To enter Service
Testprogram hold
PLAY & CD3 buttons
depressed while
plugging mainscord in.
Display shows
version number
of the µP - software.
S-FWR55-VXX
CDR
ELECTRICAL TEST
CDR button N
Insert CD-DA disc
pressed?
before starting the test
MODULE Y
INFORMATION
MXXXXX
Display shows for 5s Software version of
Mozart (flash ROM 7101)
MXXXXX BXXXX
BXXXX
Software version of
basic engine processor (flash EPROM 7017)
MOZART BOARD DIAGNOSTIC
SDRAM TEST 7100
FFWD 6 button
Display shows:
pressed? N
DTST1
Y
CHECKSUM TEST 7701
FFWD 6 button
Display shows:
pressed? N
DTST2
Y
ERASE TEST 7701
Display shows:
DTST3
COMMUNICATION TEST
FFWD 6 button
(DSA BUS)
Display shows:
pressed? N
DTST4
Y
Display shows:
N
DERR n
TEST O K ?
n=number of failed test
Y
Display shows next error
CDR - LOADER TEST
Display shows:
CD-DA disc N
NO DISC
inserted?
Y
Display shows actual
playing time.
The test is performed by FFWD 6 button
N
playing 5s at beginning, pressed?
5s in the middle and 5s at
Y
the end of the disc.
Exit CDR electrical Test
Display shows:
N
TEST O K ? BERR 1
Y
Exit CDR electrical Test Exit CDR electrical Test
3-16
SERVICE TESTPROGRAM
* To leave Service Testprogram
plug mains cord off. CDR MODULE
S-FWR55
S-FWR33
VXX
stands for version number
of the software used in the
Front µP.
STOP button
pressed?
Exit Mech. Testprogram
FFWD 6 button N N
all errors shown?
pressed?
Y Y
N
FFWD 6 button
pressed?
Y
Note:
FFWD 6 button N
pressed?
Y
CDR
MECHANICAL TEST
N
for visual inspection only FINALIZE button
pressed?
Y
SLIDE TEST TRAY TEST FOCUS TEST
NEXT 6 button
N N N
OPEN/CLOSE button
pressed?
pressed?
Y Y
Y
Slide moves Tray opens. Objective moves
continuously in/out. continuously up/down.
Display shows:
OPENED
Display shows: Display shows:
BUSY
(even when tray is blocked)
PREV 5 button
N N
OPEN/CLOSE button
pressed?
pressed?
Y Y
Tray closes.
Dependent on the
moving direction, Display shows:
CLOSE is switched off.
slide moves to inner
or outer end position.
(even when tray is blocked)
These tests are not implemented in the first sets.
3-16
N
REC TYPE button
pressed?
TURNTABLE
CD-RW disc
TEST
inserted?
N N
PLAY button YES button
pressed? pressed?
Y Y
DC-ERASE MODE
Turntable motor
starts.
is switched on.
Display shows:
HH BI RE FE
Display shows:
FOCUS DISC
DC-ERASE
N N
PLAY button YES button
finished?
pressed? pressed?
Y Y
Record complete disc
from analog source
Focus servo with normal speed.
Turntable motor
Display shows:
is switched on.
HH BI RE FE
Complete disc
recorded?
Finalize disc
with double speed.
Display shows:
HH BI RE FE
Note: The BURN-IN mode is an endless cycle of
* DC erase, to erase he 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.
1)
With the DISPLAY button the info on the display can be toggled
to indicate ei her the status of burn in test or the temperature
measured via the NTC.
BURN IN MODE
CDR MODULE
Y
N
Display shows:
N WRONG DISC
Y
STOP button
or pressed?
NO DISC
Y
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
N
Y
N N
Error detected?
Y Y
FW-R55 Service Testprogram CDR 2001 08 16