Philips FW-M777 Service Manual page 11

SERVICE TEST PROGRAM
QUARTZ
TUNER
TEST
TEST
N
TUNER
Button pressed?
Y
Display Tuner Version
"ccc"
Output at (Front Display Board)
pin 19 of uP = 2048Hz
N
TUNER
Button pressed?
Y
Service frequencies are
copied to the RAM (see Table 1)
Tuner works normally except:
PROGRAM button
Output at (Front Display Board)
pin 19 of uP = 2,929.6875Hz
N
Disconnect
Mains cord ?
Y
Service Mode left
USA
Europe Oversea
PRESET "EUR" "USA" "OSE"
1 87.5MHz 87.5MHz 87.5MHz
2 108MHz 108MHz 108MHz
3 531kHz 530kHz 531/530kHz*
1700kHz
4 1602kHz 1602/1700kHz*
560kHz
5 558kHz 558/560kHz*
1500kHz
6 1494kHz 1494/1500kHz*
98MHz
7 153kHz 87.5/98MHz*
87.5MHz
8 279kHz 87.5MHz
87.5MHz
9 198kHz 87.5MHz
10 87.5MHz 87.5MHz
98MHz
11 87.5MHz 98/87.5MHz*
87.5MHz
Table 1
Note:
* Depending on the selected grid frequency (9 or 10kHz).
R
By holding the TUNER and buttons depressed while switching
on the Mains supply, the tuning grid frequency is toggled between
9kHz and 10kHz for the Oversea (/21) version.
3-1
To start service test program
™
hold
depressed while
plugging in the mains cord
Display shows the
ROM version
"S-Vyy"
(Main menu)
O
N
Button pressed?
Y
Display shows
32K
O
N
Button pressed?
Y
Display shows
12M
9
N
Button pressed?
Y
LEDs FW-C557
CD
TUNER
AUX / GAME
USB PC LINK
DISC 1
DISC 2
DISC 3
DISC 4
DISC 5
^^ MAX 1 (WOOX 1)
^^ MAX 2 (WOOX 2)
^^ MAX 3 (WOOX 3)
SPEED
PUNCH
BLAST
USB Indicator
^^ MAX - FW-C557, FW-C577, FW-C579, FW-M567
WOOX - FW-C777, FW-M777
& AUX
S refers to Service Mode
V refers to Version
yy refers to Software version number of the uProcessor
(counting up from 01 to 99)
Figure 1
Figure 2
FW-C579 FW-C777
FW-C577
FW-M567 FW-M777
- - - OFF
- - - ON
- - - OFF
- - - OFF
- ON ON ON
- OFF OFF OFF
- ON ON ON
- OFF OFF OFF
- ON ON ON
OFF OFF OFF OFF
ON ON ON ON
OFF OFF OFF OFF
ON ON ON ON
OFF OFF OFF OFF
OFF OFF OFF OFF
- OFF OFF OFF
Table 2
3-1
DISPLAY ADC
TEST TEST
N
VAC PLAY
Button pressed? Button pressed?
Y Y
Display shows Figure 1
Display shows "ADC1 Value"
and switch all LEDs on
for ADC1
(except ECO POWER LED), with
(Input Line - IoSA2)
full deflection on VU meter Right
& 1/3 deflection on VU meter Left.
PLAY
N Button pressed?
VAC
Button pressed?
Y
Y
Display shows "ADC2 Value"
for ADC2
Display shows Figure 2
(Input Line - IoSA1)
and switch alternate LEDs on
(see Table 2), with
1/3 deflection on VU meter Right
& full deflection on VU meter Left.
PLAY
Button pressed?
N
VAC
Button pressed?
Y
Y
Display shows "ADC3 Value"
for ADC3
(Input Line - IoAmNTC)
No Display shows
and switch all LEDs off, with
2/3 deflection on VU meter Right
& 2/3 deflection on VU meter Left.
9
Button pressed?
9 N
Y
Button pressed?
ADC Test is used for checking the
Y
ADC inputs to the microprocessor.
The display shows an ADC value
between 0 and 255 for an input
signal between 0 and 5V.
TEST Activated with ACTION
R
EEPROM TEST A test pattern will be sent to the EEPROM.
"PASS" is displayed if the uProcessor read back the test pattern
9
to Exit correctly, otherwise "FAIL" will be displayed.
Q
EEPROM FORMAT Load default data. Display shows "NEW" for 1 second.
TEST
Caution! All presets from the customer will be lost!!
Pressing this button will toggle between DEMO ON and DEMO
DEMO TOGGLE ^^ MAX (WOOX 2)
OFF. The DEMO status will scroll once across the Display.
ROTARY Rotary Volume Display shows value for 2 seconds.
ENCODER TEST
Knob Values increases or decreases until Volume Maximum (VOL
MAX) or Volume Minimum (VOL MIN) is reached.
To read out the Firmware Version of IC UAC3553 on the USB
MICRONAS USB PC LINK
FIRMWARE
PC LINK Board.
VERSION
9 Display shows "Vxxxx" (xxxx = Firmware Version number).
to Exit
LEAVE SERVICE Disconnect
mains cord
TEST PROGRAM
N
N
N
N
Various
other Tests
Mini 2003_FW-C/M 5xx/7xx_Service Test Program (dd wk0306)