Marantz NR1506 /U1B Service Manual page 24

3.4. DIAGNOSTIC MODE (Service Path Check Mode)
3.4.1. Actions
This function is convenient for confirming problem paths in the product and checking the paths after repairing.
The Video and Audio paths can be checked.
The backup data is not rewritten.
3.4.2. Starting up
While holding down buttons "TUNER PRESET CH +" and "STATUS" simultaneously, press the power button to turn on the power.
Select "1.SERVICE CHECK", then press the "STATUS" button to activate the diagnostic mode.
The "TUNED", "STEREO" and "RDS" segments are lit in this mode.
3.4.3. Canceling diagnostic mode
Press the power button to turn off the power.
3.4.4. Selecting items to check
Press the q button to switch between video items and audio items.
Press the w or e button to select the previous or next item.
The unit
q w
Actions
Audio ⇔ Video PREVIOUS
Button DIMMER INTERNET RADIO
3.4.6. Audio system confirmation items
See the block diagram fig.XXth.
Paths to be confirmed
Analog
A 0 1 : A N A L O G
1 fig.01
DIGITAL
A 0 2 : D I G I T A L
(MAIN)
2
fig.02a
fig.02b
HDMI
A 0 5 : H D M I
fig.03a
3
fig.03b
Analog AD
A 0 6 : A D
(MAIN)
fig.04a
4
fig.04b
Remote control unit
e q w
NEXT Audio ⇔ Video PREVIOUS
TUNER PRESET CH + SLEEP CURSOR 0
Display
Input Source : CBL/SAT
P A S S
Input Mode : Analog (fixed)
Sound mode : DIRECT
MAIN ZONE : ON
Input Source : CBL/SAT
Input Mode : DIGITAL (fixed)
Sound mode : MULTI CH STEREO
Speaker Config ALL Speaker = Small/SW = Yes(2ch)
MAIN ZONE ON
Input Source : CBL/SAT
Input Mode : HDMI (fixed)
Sound mode : STEREO
MAIN ZONE : ON
Input Source : CBL/SAT
Input Mode : Analog (fixed)
Sound mode : MULTI CH STEREO
Vol60dB
Speaker Config ALL Speaker = Small/SW = Yes (2ch)
MAIN ZONE : ON
e
NEXT
CURSOR 1
Settings
・ Analog input ⇒ Speaker output (Front L/R)
(b The input source can be switched to any source except CBL/SAT.)
・ Digital input ⇒ Speaker output (Front L/R, Center, Surround L/R, Surround Back L/R)
・ Digital input ⇒ Pre OUT output (Front L/R、 Center, Subwoofer)
(b The input source can be switched to any source except CBL/SAT.)
・ HDMI input ⇒ Speaker output (Front L/R)
(b The input source can be switched to any source except CBL/SAT.)
・ Analog input ⇒ Speaker output (Front L/R, Center, Surround L/R, Surround Back L/R)
・ Analog input ⇒ Speaker output, SW(20Hz) (Front L/R, Center, Surround L/R, Surround Back L/R)
(b The input source can be switched to any source except CBL/SAT.)
(b Volume 60dB is the value when Relative settings are used. The value is -20 when Absolute settings are used)
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What to confirm