Usb Doesn't Playback - Denon DNP-730AE Service Manual

3.2. USB doesn't playback

Not using a USB hub.
Is the USB device compatible with the set?
・USB2.0
・Only mass storage devices in FAT16 or FAT32 format or
MTPcompatible devices.
Check the Power Supply Voltages for USB.
USB PCB
・Abnormal voltage is not applied to the VBUS（+5V）
terminal.
[JACK400、1pin]
Check the communication signal for USB.
USB PCB
+DATA [JACK400、2pin]
-DATA [JACK400、3pin]
Check the status of the following parts and check the solder.
MAIN PCB
CN200（CY920MODULE)
See "3.3. Check the Audio Block"
YES
YES
YES
YES
YES
NO
Don't use the USB hub.
NO
Use a USB device that conforms to the specifications of the
unit.
Check the status of the following parts and check the solder.
USB PCB
D400,CN404
NO
MAIN PCB
CP200,IC205,IC103,CN100
SMPS PCB
Other, connected circuit.
Check the status of the following parts and check the solder.
USB PCB
CN404
NO
MAIN PCB
CP200,IC206,
CN200（CY920MODULE)
Other, connected circuit.
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