Philips MCM22, Руководство по обслуживанию, Страница: 14 / 77

3-1 3-1
Various
other Tests
Activated with ACTION TEST
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
TEST PROGRAM
S
S
9
to Exit
EEPROM TEST Test patterns will be sent to the EEPROM.
"PASS" is displayed if the uProcessor read back the test patterns
correctly, otherwise "FAIL" will be displayed.
Volume, Treble or Bass
Knob
ROTARY
ENCODER TEST Display shows value for 2 seconds.
Values increases or decreases until Volume Maximum (0dB) or
Volume Minimum (VOL MUTE) is reached.
B
II
DEMO TOGGLE
Pressing this button will toggle between DEMO ON and DEMO
OFF. The DEMO status will scroll once across the Display.
Figure 1
Figure 2
LEDs
ECO
CD
TUNER
TAPE
AUX
Volume Rotary
Off
On
On
On
On
On
Off
On
Off
On
Off
On
Pattern 1 Pattern 2
Table 2
Y
N
Y
N
DIM or RDS
Button pressed?
DIM or RDS
Button pressed?
DISPLAY
TEST
Display shows Figure 1
and switch all LEDs on
except ECO LED
(see Table 2 Pattern 1)
Display shows Figure 2
and switch alternate LEDs on
(see Table 2 Pattern 2)
Y
N
9
Button pressed?
Y
N
Y
N
N
AUX
Button pressed?
AUX
Button pressed?
AUX
Button pressed?
ADC
TEST
Display shows "ADC1 Value"
for ADC1
(Input Line - TpADC1)
Display shows "ADC2 Value"
for ADC2
(Input Line - TpADC2)
Y
N
AUX
Button pressed?
Display shows "ADC3 Value"
for ADC3
(Input Line - Option)
Y
Y
N
9
Button pressed?
ADC Test is used for checking the
ADC inputs to the microprocessor.
The display shows an ADC value
between 0 and 255 for an input
signal between 0 and 5V.
Display shows "ADC4 Value"
for ADC4
(Input Line - AmNtc)
CD (on RC)
Button pressed?
Y
N
STEP
1
2
3
4
5
6
DISPLAY
MESSAGE
-
-
BUS OK
-
-
FOC OK
-
-
BUS ER
-
-
FOC ER
ACTION
Indicates the module used.
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
MP3WMA05
MO-Vnn
MO BUS
MO SLD I
MO SLD O
MO FOC
Choose
level
by pressing
on the RC
Q
R
Note : Disc should be available on the tray before entering the Service Test Mode.
WMA- MP3-CD MODULE
TEST
Y
Y
Y
N
N
N
Display shows
12M
Output at (Display Board)
pin 19 of uP = 2,929.6875Hz
Display shows
32K
Output at (Display Board)
pin 19 of uP = 2048Hz
QUARTZ
TEST
TAPE
Button pressed?
TAPE
Button pressed?
9
Button pressed?
TUNER
Button pressed?
Disconnect
Mains cord ?
Y
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
87.5MHz
87.5MHz
87.5MHz
87.5MHz
98MHz
East Europe
"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*
87.5/98MHz*
87.5MHz
87.5MHz
87.5MHz
98/87.5MHz*
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 ECO and TUNER 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.
To start service test program
hold & ECO
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 uProcessor
(counting up from 01 to 99)
SERVICE TEST PROGRAM
Micro 2004_MCM7 & MCM8_Service Test Program_dd wk0410
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