Blu STUDIO 5.0 HD - Page 13

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CHAPTER 4 SYSTEM BLOCK DIAGRAM
5.1 PCBA A-Side
J1003 Earphone connector.
bug by damaged.
Earphone no sound
U301 Flash Bug by damaged
Cannot power on, cannot
upgrade software.
U101 CPU Bug by damaged
Cannot power on. No RF
signal. No display or display
abnormality
U401 Power IC Buy
by damaged,
Cannot power on.
No charge in.
Speaker no sound.
U701 BT/WIFI/FM/GPS IC.
Buy by damaged.
BT/WIFI/FM/GPS Not work
J1202 Battery connector
Bug by damaged.Not
power on.
Not charge in
U501 RF IC Bug by
damaged. No signal
Can’t power on.
U602/U603
WCDMA PA
Bug by damage.
No signal.
U605 GSM PA
Bug by damaged.
No signal. Large current
J1203 I/O connector. bug
by damaged.
No charge. Can’t software.
U801 LED Driver IC
Buy by damaged,
LCD don’t light