*
To leave Service Testprogram plug mains cord off.
FW-R55 Service Testprogram Main 2001 06 12
Display shows
version number
of the µP - software.
To enter Service
Testprogram hold
PLAY & CD3
buttons
depressed while
plugging mainscord in.
SERVICE TESTPROGRAM
MAIN
stands for Service mode on FW-R33
stands for version number
of the software used in the
Front µP.
S-FWR55-VXX
VXX
S-FWR33
stands for Service mode on FW-R55
S-FWR55
NTC XXXX
N
Y
TEMPERATURE TEST
Display shows
XXXX = value in mV
Source = AUX
AUX
button
pressed?
STOP
button
pressed?
N
Y
To check he temperature of he mains transformer under load.
Apply an audio signal to AUX.
Note:
Very first sets will display °C instead of a voltage value.
Millivolts are always displayed with 4 digits,
while °C are displayed with 2 or 3 digits.
Action
Software reduces output power
Software switches set in Stand by
Display
< 1670
< 1470
Temp.
>104°C
>128°C
N
Y
QUARTZ TEST
Display shows
512Hz can be measured
on pin 19 of Front-µP
N
Y
SEARCH
5
button
pressed?
SEARCH
5
button
pressed?
Tact frequency
µ
P
(divided 32kHz)
32K
Display shows
1220Hz can be measured
on pin 19 of Front-µP
STOP
button
pressed?
N
Y
Tact frequency
µ
P
(divided 10MHz)
10M
NEW
N
Y
EEPROM CLEAR
Display shows
for 2 second
Load default data !
CD TEXT
button
pressed?
PASS
N
Y
EEPROM TEST
Display shows
ERR
Display shows
Testpattern is written to
an address
and
read back again
PROGRAM
button
pressed?
STOP
button
pressed?
Test ok?
N
Y
N
Y
This test should only be used to clear
the EEPROM in case of a µP-"hangup".
Attention: all data are set to default values,
BLACK BOX data are not cleared.
DISPLAY
button
pressed?
DISPLAY
button
pressed?
N
N
Y
Fig. 1
Y
Display shows all
segments and flags
in dimmed mode
for checking open circuits.
see figure 1
All LEDs
except the blue ones
are switched on.
STOP
button
pressed?
N
Y
Display shows
segments and flags
as shown in Fig. 2
for checking short circuits.
All LEDs
except the blue ones
are switched off.
DISPLAY TEST
PMAMTRACKEDITCD TEXTPLAYLISTALBUMPRESET
STEP TOTAL TIME TIMETRACK REMTOTAL TRACKREC
Fig. 2
AMCD
TIMETRACK TOTAL REC
N
Y
KEY TEST
Display shows
Numbers acc. table 1
are indicated as long as a
button is held depressed.
If a button is pressed
on the Remote Control
KEY RC is shown
and the ; flag flashes.
FFWD
6
button
pressed?
STOP
button
pressed?
N
Y
KEY --
Set key
STOP
NO / CANCEL
1 SEARCH BKW
¡ SEARCH FWD
YES / ENTER
3 PLAY
REC LEVEL
CD TEXT / EDIT
COPY CD
COMPILE CD
7 RECORD
FINALIZE
ERASE
INCREDIBLE SURROUND
DSC
VAC
Code
exit Test
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Set key
DISC CHANGE
OPEN / CLOSE CD
Stand By / ON
ECO POWER
DISPLAY / RDS
CDR
CD1
CD2
CD3
CLOCK / TIMER
TUNER
AUX
wOOx ON / OFF
wOOx LEVEL
for FW-R55 only
MAX SOUND for FW-R33 only
OPEN / CLOSE CDR
PROG
Code
0
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
15
Table 1
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