1. Service mode
1.1. Actions
The rmware version, display check, communication test of BUS, protection detection count and serial
number display appear in the display.
The memory is cleared and the unit is initialized.
1.2. Starting up
Turn on the power. When the ID appears in the display, press and hold button "
F.C.B.S. ID
" for 5 sec-
onds or longer.
Turn the "
INPUT SELECTOR
" knob to the right after this to show the information from item "1.3." in
the display.
Turning the "
INPUT SELECTOR
" knob to the left has no effect.
1.3. Display Order
q
System version →
w
Flashing of the display →
e
All off →
r
Communication test of BUS
→
t
Detection count for PROTECTION 1 and 2 →
y
Detection count for PROTECTION 3 and 4
→
u
Detection count for PROTECTION 5 and 6 →
i
Serial number display ·····
Turn the power back on to cancel this mode.
q
System Version
PM10S1\
V******
\
: Region (U, N, K, F)
w
Flashing of the display
¡¡¡¡¡¡¡¡¡
¡¡¡¡¡¡¡
e
All off
r
Communication test of BUS
BUS_TST
BUS **
・"
BUS_OK
" or "
BUS_NG
"
t
Detection count for PROTECTION 1 and 2
1-PROT-2
* *
y
Detection count for PROTECTION 3(SCCPIND)
and 4(FATAL)
3-PROT-4
* *
u
Detection count for PROTECTION 5(READY) and
6(MB_DOWN)
5-PROT-6
* *
i
Serial number display
*********
*******
1.4. Initialization item
No Items Default
1 INPUT SELECTOR CD
2 VOLUME -∞
3 LEVEL TRIM 0.0(L/R)
4 ATT -∞
5 ATT (MUTE) OFF
6 PHONO MM
7 PUREST OFF
8 ID No. 0
9 SIDE ILLUMINATION ON
10 AUTO STANDBY MODE
N : ON
F/U/K : OFF
11 POWER ON/STANDBY ON
51
Caution in
servicing
Electrical Mechanical Repair Information Updating