Marantz SR6006/K1B, Service Manual

Page: 97 / 225

97
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.
Don't use the USB hub.
NO
YES
NO
Checking the set (AV RECEIVER)
YES
YES
Is a voltage (5V) being supplied between pins 1 and 4 of BK602 on
the USB board (USB connector)?
The circuitry from IC390 on the HDMI board to BK602 on the USB
board is defective.
Is the wire properly connected between CN321 on the HDMI board
and BN605 on the USB board.
The Q3200 and surrounding circuitry on the
HDMI board is defective.
Connect the wire properly.
NO
NO
5.2. USB device is not recognized
The circuit between IC390 and IC151 is
defective.
s
Checking the set (AV RECEIVER):(If no picture is output)
Check the analog video circuit.
Are video signals output from IC323 pin 27 (Y) and pin 24 (C)?
NO
Checking the set (AV RECEIVER):(If no sound is output)
YES
YES
Check the Digital audio circuit.
Are S/PDIF signals output to IC406 21pin? IC390 and surrounding circuitry is defective.
NO
5.3. No picture or sound is output