Denon AVR-S740H Service Manual

3-1. Selecting the Mode for Service-related
3-1.1. Actions
Select diagnostic mode (service path check mode), protection history display mode, 232C standby clear
mode, Operation Info mode, TUNER STEP mode or Remote ID Setup Mode.
3-1.2. Starting up
AVR-X1500H
• While holding down buttons "
ZONE2 SOURCE
", "
DIMMER
" and "
STATUS
" simultaneously, press the
power button to turn on the power.
AVR-S740H
• While holding down buttons "
TUNER PRESET CH +
", "
TUNE -
" and "
TUNE +
" simultaneously, press
the power button to turn on the power.
Select the desired mode using the "
TUNER PRESET CH +/-
" button, then press the "
STATUS
" button
to conrm.
3-1.3. Displaying and Selecting Each Mode
The information shown on the display switches each time the "
TUNER PRESET CH +
" button is
pressed.
Press the "
STATUS
" button to set the currently displayed mode and restart the device.
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1.SERVICE CHECK
Service Path Check Mode：See "DIAGNOSTIC MODE"
The Video and Audio paths can be checked.
This function is convenient for conrming problem paths in the product and checking the
paths after repairing.
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2.PROTECTION
The protection history can be checked.
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4.OP INFO
Operation Info for the unit can be checked.
r
E3 and E2 model only
5.TUNER FRQ SET
Enables reception STEP of the ANALOG TUNER to be changed.
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6.REMOTE ID
This function is for operating only the desired AV receiver.
3-1.4. Canceling the selected mode
Press the power button to turn off the power.
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
119

Denon AVR-S740H Specifications

General

Brand	Denon
Model	AVR-S740H
Category	Stereo Receiver
Language	English