Marantz NA6005, Service Manual

Page: 35 / 70

35
3.2. USB doesn't playback
Not using a USB hub. Don't use the USB hub.
NO
YES
Check the communication signal for USB.
USB PCB
+DATA [JACK104
、
2pin]
-DATA [JACK104
、
3pin]
Check the status of the following parts and check the solder.
USB PCB
CN104
MAIN PCB
L102,CN101,CN102（
CY920MODULE)
Other, connected circuit.
NO
See "3.3. Check the Audio Block"
YES
Is the USB device compatible with the set?
・ USB2.0
・ Only mass storage devices in FAT16 or FAT32 format or
MTPcompatible devices.
Use a USB device that conforms to the specifications of the
unit.
NO
YES
Check the Power Supply Voltages for USB.
USB PCB
・
Abnormal voltage is not applied to the VBUS
（
+5V
）
terminal.
[JACK104
、
1pin]
Check the status of the following parts and check the solder.
USB PCB
D135,CN104
MAIN PCB
IC107,IC122
Other, connected circuit.
NO
YES
Check the status of the following parts and check the solder.
MAIN PCB
CN101,CN102（ CY920MODULE)
YES