FRONT SURROUND SYSTEM YAS-207 or ATS-2070
CENTER
UNIT YAS-CU207orATS-CU2070
When
accepting a repair order from the user, it is recommended to receive the
YAS-CU207/ATS-CU2070 and NS-WSW42 as a set for the repair work.
Turning on the power to
YAS-CU207- ATS-CU2070 makes wireless connection of YAS-CU207- ATS-CU2070 and
NS-WSW42 possible. After the repair work, if their wireless connection is not
made automatically, makes
it possible manually. (For details, refer to “PAIRING THE CENTER UNIT AND
SUBWOOFER MANUALLY”.)
Lithium batteries: CAUTION
Danger
of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type.
YAS-CU207 - ATS-CU2070 - NS-WSW42 updating firmware
When the following part
is replaced, the firmware must be updated to the latest version.
MAIN P.C.B.
Confirmation of firmware version
* It
is not possible to check the firmware version before and after updating the
firmware.
Initializing the back-up IC
After updating the
firmware, the back-up IC MUST be initialized by the following procedure store
the setting information properly.
Connect the power cable
of this unit to the AC outlet and turn off the power.
Then, while touching the (volume –) key,
touch the (power) key, and all
indicators will flash and initialization will be completed.
Required Tools
•
USB storage device
(For USB2.0 High speed)
• Latest firmware
Preparation
1.
Download the latest firmware from the specified
download source to the folder of the PC.
2. Copy the latest firmware from the PC to the root
folder of the USB storage device.
Note: When the latest firmware is copied to a subfolder of the USB storage
device, the update will not proceed.
Operation Procedures
* Disconnect
the power cable of this unit from the AC outlet.
1. Insert the USB storage device to the UPDATE ONLY jack.
2. Connect the power cable of this unit to the AC outlet.
3. Turn off the power of this unit. (Fig. 1)
4. Keep touching the (volume –) and (power) keys until the CLEAR VOICE indicator
flashes.
Update of the firmware starts automatically.
(If writing of the
firmware has failed, disconnect the power cord from the AC outlet and perform the
firmware updating procedure again from the beginning.)
5. When writing of the
firmware is completed, all indicators flash.
6. Touch the (power) key to turn off the
power.
7. Remove the USB storage device from the UPDATE ONLY jack.
List of error display
Protection display
If there is anything
abnormal with this unit, its protection function works to turn off the power
even if it is turned on.
Touch the (power) key again to turn on the power, and the DD / DTS indicator
indicates the causal factor of the protection function.
Flashing pattern
For
the protection function display, the same flashing pattern is repeated 5 times.
Schematic diagram
