Diagnostic Mode (Service Path Check Mode) - Marantz AV7702mkII Service Manual

2-1. DIAGNOSTIC MODE (Service Path Check Mode)

2-1.1. 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.
2-1.2. Starting up
While holding down buttons "ZONE SELECT" and "BACK" simultaneously, press the power button to turn on the power.
Select "1.SERVICE CHECK", then press the "ENTER" button to activate the diagnostic mode.
The "TUNED", "STEREO" and "RDS" segments are lit in this mode.
2-1.3. Canceling diagnostic mode
Press the power button to turn off the power.
2-1.4. 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 CURSOR 0
2-1.5. Audio system confirmation items
See the block diagram fig.XXth.
Paths to be confirmed
Analog (signal) through Path
L1
A 0 1 A N L G
fig.01
L2
* * * . * d B
1
Digital (signal) Path
L1
A 0 2 D I G .
(MAIN)
fig.02a
L2
* * * . * d B
fig.02b
2
Digital (signal) Path
L1
A 0 3 Z 2 D I G
(ZONE2) fig.03a
L2
* * * . * d B
fig.03b
fig.03c
3
Remote control unit
e q w
NEXT Audio ⇔ Video PREVIOUS
CURSOR 1 SLEEP CURSOR 0
Display
Input Source : CBL/SAT
Input Mode : Analog Fixed
Sound mode： Direct
Amp assign : 11.1ch
Floor Layout : 5ch&SB
Height Sp : 2ch
Dolby Sp : None
Height Laytou : Front Height
MAIN ZONE : ON
ZONE2 : OFF
ZONE3 : OFF
Input Source : CBL/SAT
Input Mode : Digital Fixed
Sound mode： Multi Ch Stereo
Amp assign : 11.1ch
Floor Layout : 5ch&SB
Height Sp. : 2ch
Dolby Sp : None
Height Layout : Front Height
Speaker Select : Floor
Speaker Config : ALL Speaker = Small/SW = Yes(2ch)
MAIN ZONE : ON
ZONE2 : OFF
ZONE3 : OFF
Input Source : CBL/SAT
Input Mode : Auto
Sound mode： Stereo
Amp assign : 11.1ch
Floor Layout : 5ch&SB
Height Sp. : 2ch
Dolby Sp : None
Height Layout : Front Height
MAIN ZONE : ON
ZONE2 : ON
ZONE3 : OFF
e
NEXT
CURSOR 1
Settings
・Analog input ⇒ RCA output (Front L/R)
・Analog input ⇒ XLR output (Front L/R)
(b The input source can be switched to any source except CBL/SAT.)
・Digital input ⇒ RCA output (Front L/R, Center, Surround L/R, Surround Back L/R, Subwoofer)
・Digital input ⇒ XLR output (Front L/R, Center, Surround L/R, Surround Back L/R, Subwoofer)
(* The input source can be switched to any source except CBL/SAT.)
・Digital (PCM) input ⇒ ZONE2 RCA output (ZONE2 L/R)
(* The input source can be switched to any source except CBL/SAT.)
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What to confirm