Service Testprogram - Philips FW-R8/17 Service Manual

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SERVICE TESTPROGRAM

VARIOUS TESTS
EEPROM TEST
LOUDNESS button
pressed?
Y
Testpattern is written to
an address
and
read back again
N
Test ok?
Y
Display shows Display shows
ERR PASS
STOP button
N
pressed?
Y
3-3
EEPROM CLEAR
N PURE button N
pressed?
Y
Load default data !
Display shows
NEW
for 1 second
To enter Service
* To leave Service Testprogram plug mains cord off.
Testprogram hold
STOP & PLAY buttons
depressed while
plugging mainscord in.
S
Display shows
stands for Service mode
version number
VXX
stands for version number
of the µP - software.
of the software used in the
S-FW-R8-VXX
front µP.
QUARTZ TEST
N
SEARCH 5 button
pressed?
Y
Tact frequency µ P
(divided 32kHz)
Display shows
32K
2048Hz can be measured
on pin 9 of µP
N
SEARCH 5 button
pressed?
Y
Tact frequency µ P
(divided 12MHz)
Display shows
12M
1465Hz can be measured
on pin 9 of µP
STOP button
N
pressed?
Y
Digitized in Heiloo Netherlands
3-3
NTC TEST ROTARY ENCODER
TEST
AUX button N
pressed?
Y
Display shows
NTC XX
XX = value in °C
Source = AUX
STOP button
N
pressed?
Y
2/4/2018
JOG CONTROL N JOG CONTROL N
turned ccw? turned cw?
Y Y
Display shows Display shows
JOG LEFT JOG RIGHT
for 2s. for 2s.
FW-R8 Service Testprogram Main 2000 03 15