Philips FWM570/21, Service Manual

Page: 15 / 92

3-1
3-1
Various
other Tests
Activated with
ACTION
TEST
Q
EEPROM FORMAT
TEST Load default data. Display shows "NEW"
for 1 second.
Caution!
All presets from the customer will be lost!!
Disconnect
mains cord
LEAVE SERVICE
TESTPROGRAM
R
9
to Exit
EEPROM TEST A test pattern will be sent to the EEPROM.
"PASS" is displayed if the uProcessor read
back the test pattern correctly, otherwise
"ERROR" will be displayed.
Rotary
Volume Knob
ROTARY
ENCODER TEST Display shows value for 2 seconds.
Values increases or decreases in steps of 1
until 0 (Min.) or 40 (Max.) is reached.
O
Button pressed?
Y
Y
Y
N
N
N
O
Button pressed?
9
Button pressed?
Display shows
12M
Output at (Front Display Board)
pin 19 of uP = 2,929.6875Hz
Display shows
32K
Output at (Front Display Board)
pin 19 of uP = 2048Hz
QUARTZ
TEST
TUNER
Button pressed?
Disconnect
Mains cord ?
Y
N
N
Y
Display Tuner Version
"ccc"
Service frequencies are
copied to the RAM (see Table 1)
Tuner works normally except:
PROGRAM button
Service Mode left
TUNER
TEST
TUNER
Button pressed?
N
PRESET
1
2
3
4
5
6
7
8
9
10
11
Europe
"EUR"
87.5MHz
108MHz
531kHz
1602kHz
558kHz
1494kHz
153kHz
279kHz
198kHz
98MHz
87.5MHz
East Eur.
"EAS"
87.5MHz
108MHz
531kHz
1602kHz
558kHz
1494kHz
87.5MHz
87.5MHz
87.5MHz
87.5MHz
98MHz
USA
"USA"
87.5MHz
108MHz
530kHz
1700kHz
560kHz
1500kHz
98MHz
87.5MHz
87.5MHz
87.5MHz
87.5MHz
Oversea
"OSE"
87.5MHz
108MHz
531/530kHz*
1602/1700kHz*
558/560kHz*
1494/1500kHz*
87.5MHz
87.5MHz
87.5MHz
87.5MHz
98MHz
Table 1
East Eur. Extended-band
"EAS"
65.81MHz
108MHz
74MHz
87.5MHz
531kHz
1602kHz
558kHz
1494kHz
98MHz
70.01MHz
65.81MHz
Note: * Depending on the selected grid frequency (9 or 10kHz)
By holding the TUNER and
R
buttons depressed while switching on the Mains supply, one
of the undermentioned features will be activated:
- the tuning grid frequency is toggled between 9kHz and 10kHz for the Oversea (/21) version.
- the extended FM1 (65.81MHz - 74MHz) is toggled on and off for East Eur. (/34) version.
Y
N
Y
N
Y
N
Button pressed?
Button pressed?
9
Button pressed?
DISPLAY
TEST
Display shows Figure 1 and
switch all LEDs on (except ECO
POWER & VU Volume LEDs),
and full VU deflection.
Figure 1
Figure 2
To start service test program
hold
™
& Aux
depressed while
plugging in the mains cord
Display shows the
ROM version
"S-Vyy"
(Main menu)
S refers to Service Mode
V refers to Version
yy refers to Software version number of the
µ
Processor
(counting up from 01 to 99)
VAC
VAC
LEDs
CD
TUNER
AUX / GAME
^^ MAX (WOOX)
FWM730
ON
OFF
ON
OFF
FWM570
-
OFF
-
-
-
Table 2
TAPE
OFF
Display shows Figure 2
and switch alternate LEDs on
(see Table 2)
To test Standby LED, put the set into ECO mode.
^^ MAX/WOOX 2 DEMO
DEMO will toggle on or off.
The message: "DEMO ON" or "DEMO OFF"
will scroll across the display to show the
new status of the set.
^^ MAX - FWM570, WOOX - FWM730
CD
Button pressed?
Y
N
3CDC CONTROL &
MP3 CD MODULE
TEST
(For MP3 set only)
STEP
1
**2
**3
**4
**5
**6
DISPLAY
MESSAGE
-
-
BUS OK
-
-
FOC OK
5DTC-ER
-
BUS ER
-
-
FOC ER
ACTION
Version of the 5DTC control software (nn = Version Number).
Version of the MPEG software (nn = Version Number).
Communication test between the Main uP and CD Module
CD SLEDGE MOTOR is moved in.
CD SLEDGE MOTOR is moved out.
FOCUS SERVO Test.
Press
9
to exit
OKAY ERROR
5DTC-Vnn
TI-Vnn
TI BUS
TI SLD I
TI SLD O
TI FOC
** Choose
level
by pressing
Q
R
Note : Disc should be available on the tray before entering the Service Test Mode.
SERVICE TEST PROGRAM