Checking the USB device
YES
Is the USB device compatible with the set?
Are you using a USB hub?
Only mass storage devices in FAT16 or
FAT32 formats or MTPcompatible devices
and iPod (Remove some models) are
supported.
You do not use the USB hub.
NO
YES
NO
Checking the set (AV7005)
YES
YES
Is a voltage (5V) being supplied between pins 1 and 4 of Jack602
on the USB circuit board (USB connector)?
The circuitry from U3990 on the HDMI circuit board to Jack602 on the
USB circuit board is defective.
Is the wire of N4201 properly connected?
The Q4200 and surrounding circuitry on the
HDMI cirucuit board is defective.
Connect the wire properly.
NO
NO
60
5.2. USB device is not recognized
Summary of Contents for AV7005/N1B
Page 62: ...62 Personal notes ...
Page 64: ...64 BLOCK DIAGRAM ...
Page 139: ...139 R5F3650KNFB HDMI U5500 ...
Page 146: ...146 IS42S32200E6TL HDMI U1602 IS42S32200E6TL Block diagram ...
Page 155: ...155 AK4424ET HDMI U3800 U3801 AK4424ET Block Diagram ...
Page 156: ...156 AK5358BET HDMI U3802 AK5358BET Pin Function ...
Page 160: ...160 HY27UF081G2A TPCB Block Diagram ...
Page 170: ...170 2 FL DISPLAY FLD 19 ST 02GINK FRONT Z1001 PIN CONNECTION GRID ASSIGNMENT ...
Page 171: ...171 ANODE CONNECTION ...
Page 172: ...172 VFD GP1261AI FRONT Z1002 PIN CONNECTION PATTERN DETAIL ...