Check the USB device being used
YES
Is the USB device supported by this unit?
Is a USB hub being used?
This unit supports devices in the FAT16- and
FAT32-formatted mass storage class, MTP-
compatible devices and iPod devices (except for
some models).
Do not use a USB hub.
NO
Checking the unit
YES
YES
Can a voltage (5V) be conî™°rmed between pin 1
and pin 4 of JK101 (USB Connector) on USB PCB?
The USB signal circuit between CY920 and JK101 of the USB PCB are faulty.
Are CN804 of the DIGITAL PCB and BN104 of the
USB PCB correctly connected?
The circuit around IC801of the DIGITAL PCB is
faulty.
Connect the connectors correctly.
5.3. Cannot recognize the connected USB device
YES
NO
NO
NO
69
Caution in
servicing
Electrical Mechanical Repair Information Updating
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