Chapter 4 System Block Diagram - Blu STUDIO 5.0 CE Service Manual

4.1、PCBA A-Side
U701 BT/WIFI/FM/GPS
IC. Buy by damaged.
BT/WIFI/FM/GPS Not
work
U501 RF IC
Bug by damaged.
No signal
Can't power on.
U605 GSM PA
Bug by damaged.
No signal. Large current

CHAPTER 4 SYSTEM BLOCK DIAGRAM

J1003 Earphone connector.
bug by damaged.
Earphone no sound
J1203 I/O Connector
bug by damaged No charge in,
Cannot upgrade Software
U401 Power IC Buy by
damaged,Cannot power on.
No charge in.
Speaker no sound.
11 / 40
U101 CPU Bug by damaged
Cannot power on. No RF
signal. No display or display
abnormality
U301 Flash Bug by damaged
Cannot power on, cannot
upgrade software.
J1205 Battery connector
Bug by damaged.
Not power on.
Not charge in