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4.14 Indicator LED Trouble
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4. Trouble Shooting
Test Points
Circuit Diagram
Checking Flow
CN201
21 22
RLED
G
R225
10K
R223 17K
UMX1NTN
4
5
6
1
2
3
0
0
R261
GREEN LED
R263
RED LED
GLED
RED_LED
Q201
R264
NA
R262
0
R226 47K
R227
47K
VBAT of U102 is
3.6~4.2V?
Are both LEDs not
working?
BACKLIGHT WILL
WORK PROPERLY.
Replace Q201, and try again.
Check the VBAT of U102.
Check the soldering or replace LEDs not working.
No
No
Yes
Yes
START
Figure 4-26.
R226 R227 R264 R262
Q201
R225 R229
Содержание C1100
Страница 1: ...Service Manual Model C1100 Service Manual C1100 P N MMBD0034301 Date June 2004 Issue 1 0 ...
Страница 84: ... 83 5 DISASSEMBLY INSTRUCTION Figure 5 3 ...
Страница 85: ... 84 Figure 5 4 5 DISASSEMBLY INSTRUCTION ...
Страница 86: ... 85 5 DISASSEMBLY INSTRUCTION Figure 5 5 Figure 5 6 ...
Страница 87: ... 86 5 DISASSEMBLY INSTRUCTION Figure 5 7 Figure 5 8 3 1 1 2 ...
Страница 88: ... 87 Figure 5 9 5 DISASSEMBLY INSTRUCTION ...
Страница 89: ...5 DISASSEMBLY INSTRUCTION 88 Figure 5 10 Figure 5 11 ...
Страница 90: ...5 DISASSEMBLY INSTRUCTION 89 Figure 5 12 3 2 1 ...
Страница 106: ... 105 9 PCB LAYOUT 9 PCB LAYOUT ...
Страница 107: ... 106 9 PCB LAYOUT ...
Страница 114: ... 113 Figure 11 1 HW test program Figure 11 1 HW test program 11 STAND ALONE TEST ...
Страница 118: ... 117 13 EXPLODED VIEW REPLACEMENT PART LIST 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW ...
Страница 119: ... 118 Note ...