34
PX10/PX8/PX5/PX3
5. Inspection
item
5-1. USB
5-1-1. USB Bus, USB0-ID
Contents
The state of FAT32
fi
le system currently recorded on
the USB memory is inspected.
Advance preparation
Con
fi
rm the USB memory is inserted.
〈
Service inspection screen
〉
The fault location at the time of FAIL
USB Bus (USB-DP, USB-DN, VBUS-EN, IC301, IC302),
USB0-ID
5-1-2. VBUS (PCB PN Assembly only)
This is not tested for service inspection of PX ampli
fi
er.
5-1-3. /VBUS-FLG (PCB PN Assembly only)
This is not tested for service inspection of PX ampli
fi
er.
5-2. Information
5-2-1. Firmware version
Contents
A version number inspects visual agreement.
Advance preparation
None.
〈
Service inspection screen
〉
Inspect visually.
The fault location at the time of FAIL
Firmware is not upgraded correctly.
5-2-2. SERIES-ID
Contents
An SERIES-ID (from PCB PN) inspects visual
agreement.
Advance preparation
None.
〈
Service inspection screen
〉
Inspect visually that it was displayed as “PX”.
The fault location at the time of FAIL
SERIES-ID0, SERIES-ID1, SERIES-ID2