4. TROUBLE SHOOTING
- 83 -
4.12 SIM Detect Trouble
VSIM
C173
220n
20K R144
GND
I_O
6
RST
2
VCC
1
5
VPP
J101
KCN-ET-0-0048
CLK
3
4
VSIM
1000p
C174
27p
C175
SIMCLK
K12
J13
SIMDATAOP
J14
GPIO_22
GPIO_23
L10
K13
GPIO_24
VA165
C172
0.1u
VSIM
SIM_DATA
SIM_DATA
DBB
START
Resolder J101.
Replace J101.
Does the SIM
supports 3V?
Change the SIM.
Our Phone supports 3V SIM only.
Voltage at Pin 1
of J101 = 2.85V?
Check the
soldering condition
of J101.
Voltage VSIM of U102.
= 2.85V?
Check the
contact between
J101 and SIM
card.
Change the
SIM and try again.
Does it work
properly?
Resolder J101.
Replace J101.
SIM will be DETECTED.
The SIM is malfunctioned.
Change the SIM.
Change the main
board.
Does it work properly after
redownloading SW?
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Test Points
Checking Flow
Circuit Diagram
SETTING : Insert SIM into J101, connect PIF to the Phone, and Power on.
Pin 1
Figure 4-24
Содержание C1150
Страница 1: ...Service Manual Model C1150 Service Manual C1150 Date October 2005 Issue 1 0 ...
Страница 3: ......
Страница 94: ...5 DOWNLOAD AND CALIBRATION 95 11 Wait until Sending Block is completed 1 Wait Until Sending Block is completed ...
Страница 99: ...Note 100 ...
Страница 104: ... 105 8 PCB LAYOUT 8 PCB LAYOUT ...
Страница 105: ... 106 8 PCB LAYOUT ...
Страница 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 117: ...Note 118 ...
Страница 119: ... 120 Note ...
Страница 135: ...Note 136 ...