Denon DN-MC6000 Service Manual page 27

FLOW CHARTNo.10
Slide switches are not operating.
Are the contact point and the installation state of
the Slide switches (SW178,SW1002 ～ SW1005,
SW402 ～ SW405) normal?
When switching them, does the voltage of each pin
of IC100(shown below) increase?
Slide switches
SW178
SW1002 ～ SW1005
SW402
SW403
SW404
SW405
Replace IC100.
(405-MC6000-2782 : CONTROL UNIT,405-MC6000-2784 : FRONT UNIT,
405-MC6000-2783 : I/O UNIT)
O.K.
: IC100 43pin
: IC100 53pin
: IC100 32pin
: IC100 31pin
: IC100 30pin
: IC100 29pin
O.K.
N.G.
Re-install the switches correctly or replace the poor
switch.
N.G.
Check periphery circuit of IC119,IC1001,
CN100A ～ CN100, and replace it if defective.
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