Charging Problems; Usb/Vbus Charging Problems - Sony Ericsson Cyber-Shot C905 Troubleshooting Manual

Charging Problems

START
Step 1:
Perform Charging Test
If NOT successful go to step 2.
Step 2:
Use TRS Fixture
Connect:
VBATT and DCIO/SEPI
3.8 Volt DC at
MP 33 (TP2201)
Yes
Is the
connection
between MP 139
(ST2211) and MP 141
(ST2212)
Ok
Yes
Is
MP 31 (TP2202)
Short circuit to PBA
GND (Shield
Can Fence)
No
5 Volt DC at
MP 113
(V2412_Cathode)
No
Is MP 113
(V2412_Cathode)
Disconnect:
Short circuit to PBA
No
VBATT and DCIO/SEPI
GND (Shield
Can Fence)
Is
Replace
L2449 = Max 1 Ohm
Yes
X2405
SL 5 Replace
L2449
No
SL 4 Escalate
TROUBLESHOOTING
Replace
No
X2201
SL 5 Replace
R2200
No
SL 4 Escalate
Replace
Yes
V2200
SL 4 Replace
V2202
Yes
SL 5 Replace
N2000
Replace
Yes
V2412
Charging Problems - USB/VBUS Charging Problems

USB/VBUS Charging Problems

Perform System Connector Protection Test
If successful go to step 2.
Use Phone with Normal SW (SSW)
Use TRS Fixture and connect: VBATT
Connect: USB Cable from the PC to the Phone
Replace
Yes
N2421
SEMC Troubleshooting Manual
START
Step 1:
Step 2:
SL 5 Replace
5V – 5.2V DC at
N2000
Yes
MP 16 (ST2213)
SL 4 Escalate
No
5V – 5.2V DC at Replace
No
MP X2405_Pin 1 X2405
Yes
Disconnect:
VBATT and USB Cable
Is
Replace
L2407 = Max 1 Ohm
No
L2407
1222-9526 rev. 1
C905
21 (124)