- 58 -
Level of C211 and
C212 is about
1.2V
Yes
Check
soldering R211,
R210, C211,
C212, J201
Download
S/W
No
Re-soldering
R211, R210,
C211, C212,
J201
Not good
Yes
2
Change
main board
Level of R212 is
about 2.8V?
Earphone detect problem
1
4
Resolder
R212
Level of R206 is
about 2.8V?
5
5
No
No
Yes
Yes
Replace U202
Earphone receiving path problem
Earphone detect problem
Z3X-BOX.COM
Summary of Contents for CE500
Page 3: ... 4 Z 3 X B O X C O M ...
Page 77: ...4 TROUBLE SHOOTING 78 5 Check Tx I Q TXQP TXQN TXIN TXIP U704 Test Point Z 3 X B O X C O M ...
Page 85: ...Note 86 Z 3 X B O X C O M ...
Page 93: ... 94 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 94: ... 95 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 95: ... 96 Z 3 X B O X C O M ...
Page 103: ...9 CALIBRATION 104 L Standalone Test Equipment Setup Oscilloscope Z 3 X B O X C O M ...
Page 105: ... 106 Z 3 X B O X C O M ...
Page 127: ...Note 128 Z 3 X B O X C O M ...