Denon DN-S3700 Service Manual page 17

1. SERVICE MODE
1.1. Top level of the service mode (Turning on the power in the service mode)
(1) Turn on the power while pressing the PARAMETERS knob and the
The following appears on the VFD dot display section:
- - S e r v i c e M o d e - -
F u n c t i o n C H K
(2) When the PARAMETERS knob is turned clockwise, the display on the second row of the VFD dot display section
switches in the following order: "Function CHK" → "CD Drive CHK" → "SW Check" → "Panel CHK" → "JOG CHK" →
"PLATTER CHK".
The display switches in the opposite order when the PARAMETERS knob is turned counterclockwise.
(3) The displayed mode can be selected by pressing the PARAMETERS knob.
2. Checking the operations of the functions (Function CHK)
(1) Turn the PARAMETERS knob to select "Function CHK" from the service mode's top menu, then press the PARAME-
TERS knob to set the function check mode. The following appears on the VFD dot display section:
F u n c t i o n C H K
S 3 7 0 0 i n i t
(2) When the PARAMETERS knob is turned clockwise, the display on the second row of the VFD dot display section switch-
es in the following order: "S3700 init" → "D-Link Check" → "Audio Out" → "Mute Check" → "USB Test" → "PS/2 Check".
The display switches in the opposite order when the PARAMETERS knob is turned counterclockwise.
(3) The displayed mode can be executed by pressing the PARAMETERS knob.
(4) Press the button to return to the top level of the service mode.
2.1. Setting initialization (S3700 init)
• The contents of the preset memory are set to the factory defaults
(1) Turn the PARAMETERS knob to select "S3700 init" from the "Function CHK" mode's top menu, then press the PARAM-
ETERS knob to set "S3700 init" mode. The following appears on the VFD dot display section:
F u n c t i o n C H K
S 3 7 0 0 i n i t
(2) The Initialization mode can be executed by pressing the PARAMETERS knob. The following appears on the second
row of the VFD dot display section:
When initialization is completed:
C o m p l e t e !
When initialization is not completed (Time out):
F a i l
(3) Press the button to return to the top level of the function check mode.
2.2. D-Link operation check (D-Link Check)
• When executed with the D-Link terminal's Tx and Rx pins connected externally, the loop-back test is performed.
• The device checks whether the transferred and received contents are the same and the results are displayed.
(1) Turn the PARAMETERS knob to select "D-Link Check" from the "Function CHK" mode's top menu, then press the PA-
RAMETERS knob to set "D-Link Check" mode. The following appears on the VFD dot display section:
D - L i n k C h e c k .
E x e c t o p u s h .
(2) The displayed mode can be executed by pressing the PARAMETERS knob. The following appears on the second row
of the VFD dot display section:
When the process has completed normally:
C o m p l e t e !
When the process has completed abnormally:
F a i l
(3) Press the button to return to the top level of the function check mode.
button simultaneously.
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DN-S3700