9.1. USB les are not loaded.
Is there any abnormality below?
FRONT USB PCB
L242 : (VBUS(+5V))
[CN63, IC112], or the SMPS power supply circuit
may be malfunctioning.
Repair the part where the abnormality is occur-
ring or check each part according to the area
from "YES" in the ow chart for "1.3. Power Sup-
ply Voltage Abnormalities".
YES
NO
"9. No Audio Output during USB File Playback
(USB-A input), File Playback on a Server or Inter-
net Radio and Bluetooth Playback"
9.2. Playback or connection by Wi-Fi or Bluetooth is not possible.
Is the Wi-Fi antenna of the LEGO module con-
nected?
Check the connection of the Wi-Fi antenna or
replace the antenna.
NO
YES
"9. No Audio Output during USB File Playback
(USB-A input), File Playback on a Server or Inter-
net Radio and Bluetooth Playback"
9.3. Playback or connection by ETHERNET is not possible.
Is there any abnormality below?
Ethernet terminal [JK110]
Replace the [JK110].
NO
YES
"9. No Audio Output during USB File Playback
(USB-A input), File Playback on a Server or Inter-
net Radio and Bluetooth Playback"
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
54
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