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3. HW Circuit Description
3.11 Key LED Interface
This handset has 10 LEDs that illuminates blue color.
Control signal is controlled by Locosto with PWM and handset has 3 methods, ON, OFF and dimming.
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 3-11 Key LED interface
LD200
LD201
LEWW-S14
LEWW-S14
100ohm
R223
C218
1u
LD205
LEWW-S14
R229
10K
R222
100ohm
LEWW-S14
LD208
LEWW-S14
LD209
R220
100ohm 100ohm
R221
100ohm
R216
R224
100ohm
100ohm
R219
LEWW-S14
LD206
C219
1u
R217
100ohm
R215
100ohm
1
2SC5585
Q200
2
3
LEWW-S14
LD204
100K
R231
VBAT
LEWW-S14
LD207
R218
100ohm
LD202
LEWW-S14
LEWW-S14
LD203
KEY_BACKLIGHT
Содержание KP151Q
Страница 1: ...Service Manual Model KP151Q Service Manual KP151Q Date September 2008 Issue 1 0 Internal Use Only ...
Страница 107: ... 108 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 127: ...Note ...
Страница 128: ...Note ...