Check the USB device being used
Checking the unit (If no picture is output)
YES
YES
Is the USB device supported by this unit?
•Check the VIDEO circuit of U1026 (ADV8003) or later.
Is a USB hub being used?
Are digital video signals((920PCK, 920VD0 - 920VD7)) output from
CX870 to U1045(V.PLD)?
This unit supports devices in the FAT16 and
FAT32-formatted mass storage class, MTP-
compatible devices and iPods (with the
exception of some models).
Do not use a USB hub.
NO
YES
NO
Checking the unit
Checking the unit:(If no sound is output)
YES
YES
YES
YES
Can a voltage (5V) be conrmed between pin 1 and pin 4 of CP4406
(USB Connector) on USB PCB?
The USB signal circuit between CX870 and CP4406 of the USB PCB
are faulty.
Check the AUDIO circuit of U1024(DSP) or later.
Are CN4402 of the 870JUNCTION PCB and N7000 of the USB PCB
correctly connected?
Are I2S signal output to pin 26, 28, 30, 34 of the U1008 HDMI PCB ?
(The 30, 32, 34pin in the case of DSD)
Are audio signal output to pin 8 of U1041(A.PLD) on HDMI PCB.
The circuit around U7000 of the 870JUNC-
TION PCB is faulty.
Connect the connectors correctly.
NO
NO
5.3. A connected USB device is not recognized.
5.4. No picture or sound is output
The circuit around CX870, U1045(V.PLD) is
faulty.
The circuit around CX870 or CX870JUNCTION PCB
is faulty.
The circuit around U1041(A.PLD) is faulty.
NO
NO
NO
93
To Next Page
Loading...
Need help?
General
Weight and Dimensions
