- 52 -
4.9 Charging Indicator & MOD Key Backlight Trouble
Circuit Diagram
& MOD KEY BACKLIGHT
CHARGING INDICATOR
1u
C309
2V8_VMEM
C315
0.01u
R342
1.5K
Q303
2SC5585
100K
R343
R399
100K
R344
10
VBAT
VCHARGE
2.7K
R352
R341
0
3
A
B0
4
B1
6
GND
5
1
S
2
VCC
U303
FSA4157L6X
10K
R398
KLED
MODKEY_BACKLIGHT
Test Point
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 ...