LG KE600 Service Manual - Page 44
SUB Keypad Back-light LEDs, Keypad Back-light LEDs
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3. TECHNICAL BRIEF VBAT 05.09.05 JOG LED ANODE AND CATHODE FOR 4 LEDs SLIDE_KEY_BACKLIGHT R123 R124 12 R131 12 2.7K 123 654 JOG_LED_ANODE JOG_LED_CATHODE Q101 EMX18 KEYPAD BACKLIGHT DRIVER R132 36 R125 R127 R128 150 LD101 TWH104-HS C107 0.1u KEYPAD BACKLIGHT BLUE LED LD103 150 TWH104-HS 150 LD104 TWH104-HS Figure 15 SUB Keypad Back-light LEDs VBAT VA401 EVL5M02200 VA402 EVL5M02200 R419 47 R418 47 R417 47 R416 47 R415 47 R414 47 R413 47 R412 47 TWH104-HS LD404 R411 47 LD412 LD411 LD410 LD409 LD408 LD407 LD406 LD405 KEY_BACKLIGHT R420 0 R421 0 VA403 EVL5M02200 Figure 16 Keypad Back-light LEDs - 45 -
3. TECHNICAL BRIEF
- 45 -
KEYPAD BACKLIGHT BLUE LED
05.09.05 JOG LED ANODE AND CATHODE FOR 4 LEDs
KEYPAD BACKLIGHT DRIVER
TWH104-HS
LD101
LD104
TWH104-HS
R123
2.7K
LD103
TWH104-HS
12
R131
36
R132
VBAT
R128
150
R125
150
R124
12
R127
150
3
1
4
EMX18
Q101
2
5
6
C107
0.1u
JOG_LED_ANODE
JOG_LED_CATHODE
SLIDE_KEY_BACKLIGHT
Figure 15 SUB Keypad Back-light LEDs
Figure 16 Keypad Back-light LEDs
VBAT
47
R413
LD407
47
R416
LD409
LD411
LD408
EVL5M02200
VA402
47
R417
R419
47
LD412
0
R421
LD406
EVL5M02200
VA401
47
R412
0
LD410
R420
R411
47
47
LD405
R414
VA403
EVL5M02200
LD404
TWH104-HS
R418
47
47
R415
KEY_BACKLIGHT