Philips FW41/20 - Page 18

SERVICE TEST PROGRAM 1
=
Operating sequence
Hold "Program" and "Preset
Up” button down while
Power on to enter Service
test program.
Press "“Autoprogram"
CAUTION: Activating this
test will reset all presets,
MW grid, 12/24 Hr clock
and LW on/off feature.
Press “Set clock"
Repeated activation of "Set
clock" will toggle between
"SERVICE" and "32 KHZ".
Press "News"
Press all other buttons
"News"
"Timer"
Press "Preset Up"
Press "Preset Up"
Press "BAND"
Repeated activation will
toggle between "FAST"
and "NORM" clock.
Press “Standby” to end the
service test program.
Display shows
uProcessor version #
SERVICE
CLR PROM
KEY
See Figure 1
KEY OK
SERVICE
Full Display
Half Display
Other half Display
FAST CLK
NORM CLK
SERVICE
# Note: FW** xx - OTP version
FW** x - Maskversion
where FW** refers to the Type No.
xx-or x refers to the version.
PCS 63 147
PHIL-04690 / DRUCK 2
In case of problems check
SERVICE TEST PROGRAM 2
Operating sequence
Display shows
Remarks In case of problems check
The master wProcessor
version is display.
After 2 seconds the
"SERVICE" display
appear.
Clear Eeprom
The Alarm buzzer is Check X’tal 5402.
turned on and the clock
is aligned by trimmer
2410 for 4096Hz at pin
10 of 1457 or pin 4 of
7400.
Hexadecimal codes will
be display.
"KEY OK" is display. "KEY **" will be display
when failure or incomplete
key test is done.
After 2 seconds the
"SERVICE" screen is
restored.
Check the respective
keyline in case an error
occurs.
Check display and power
lines.
Spatial LED is on while
DBB LED is off.
If the full display is left
on for sometime, it will
be change to "O"s.
DBB and Spatial sound
LEDs turns on.
DBB and Spatial sound
LEDs turn off.
Use this to change the
clock/timer speed
function.
In the fast mode quick
customer check in the
clock/alarm function can
be done.
Normal speed clock will
be restored by Power off
or activating reset
button.
After 2 seconds the
"SERVICE" screen will be
restored.
To perform CD test press
"CD" at the "SERVICE"
screen.
Press “Stop” - Service pos 0
Press "Next" - Service pos 1
Press “Next” - Service pos 2
Press “Next” - Service pos 3
Pressing “Previous” will
bring the set to the previous
service mode.
To end the Service test
program press "Standby" at
the "SERVICE" screen.
SERVO YY
SLEDGE
FOCUS
MOTOR
RADIAL
The CD servo version is
display. YY = version _
number
Pressing the "Play" key at
the "SERVICE" screen will
enter into normal CD mode
except error codes are
During this test the sledge | display.
will move outward.
A list of error codes are
found in figure 3.
Focus is switch on.
Disc motor is switch on.
Radial is switch on.
To perform Tuner test
ensure no disc is in the CD
tray and press “Tuner” at
the "SERVICE" screen.
Use the "Preset Up” and
“Preset down" to display
the loaded frequencies. '
Tuner version
See figure 2
PROGRAM
Tuner version is scrolled
in the display.
Service frequencies are
now loaded into the
EEROM of the wProcessor.
FM auto-search level:
With input level at 15yV
adjust 3125 until
“PROGRAM” just appear.
Use Power off or Reset
button to exit the Service
program
TRADE MODE
Operating sequence
Hold "Aux" and "Tape" down
while Power on to enter the
Trade mode.
To exit Trade mode press the
“Reset” button.
Display shows
Commercial Story
Remarks
During Trade mode the set provides 3 minutes of
normal performance before returning to Trade mode.
If during the normal function no sound source is
detected it will return to Trade mode after 10 seconds.