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8-2
MULTI-CHANNEL DECODING MODULE - Troubleshooting
"Tostart'service test
P e e
ee Brogranvhold
'Bass:& Treble' depressed
:
while:switching
the:mains on':
a Mir. Mode
< >
"Button pressed?
Check the relevant
components of the
missing voltage on
the monoboard
ls 6V5 present on pin 6 conn. 1802?
ls +12V present on pin 11 conn. 1802?
Is -12V present on pin 12 conn. 18027
Yes
Yes
Replace MOM
V
=
module
Does the MDM SW-version
appear in the screen?
Vir. Mode >>.
At this moment the MDM module
Button pressed?
L= is set to "Service mode"
Yes
Connect CD player to Coax 1
m>
Use a CD-player with
a coaxial digital out
Play track 15 of
*Audio SignatsTest Disc 1
Yes
Yes
V/
Viet. Mode >
Button pressed?
i
Yes
Connect CD player to Coax 2
F
Play track 15 of
Audio SignaisTest Disc 1
Yes
V/
Can sound be heard on ALL
No
rp]
Replace MDM
Channeis ?
modute
Yes
\/
Press Vint: Mode:
> .
:
Button
Yes
Connect CD player to Optical In
Use a CD-player with
an optical digital out
Play track 15 of
*Audio SignalsTest Disc 1
Yes
V
Can sound be heard on ALL
No
r>|
Replace MDM
Channels ?
module
Yes
V/
Press Virt. Mode"
Button
Connect CD player to the
Analog CD-input
Play track 15 of
*Audio SignalsTest Disc 1
Replace MDM
module
Replace MOM
module
- SPDIF
- Sony Philips Digital Inter
Audio Signals Test Disc 1 = SBC42
4822 397 30184.
Does a valid SRBIF-signai,
containing a sine-wave of 1kHz
appear on the coax out?
:
pakeees
:
FR965/00mdi18-4— 00
= MDM jis working. property
PCS 105 758
SER
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