Huawei U9500 Maintenance Manual page 87

U9500 Maintenance Guide
Figure 9-62 Components that might be damaged
J1900 USB/MHL
R3109 MHL_CBUS_ID Pull-up
resistor
U3101 MHL chip
U1900 USB switch
Handling Process
Figure 9-63 shows the process for handling the HDMI failure.
Issue 1.2 (2012-6-30)
U301/U301_POP Main
chip/DDR
U3104 3.3V LDO
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U3106 Inverter
9 Troubleshooting
U3103 Level switch
82