Backlight Keyboard - Clevo P955HQ3 Service Manual

Backlight KB
5

BACKLIGHT KEYBOARD

D
TLC59116F RESET# pin
3.3VS
C704
R222 R232 R246
*10K_04 *10K_04 10K_04
RGB K/B RGB K/B RGB K/B
RGB K/B
C
27,39 SMC_VGA_THERM
27,39 SMD_VGA_THERM
R245 *0_04
39 EC_CTRL_EN#
C423
1000p_50V_X7R_04
P955HQX
B
WHITE K/B
KBC_LED
5VS_KBC
C2046
*10u_6.3V_X5R_06
*FP225H-006S10M
PCB Footprint = fp225h-006xxxm
A
5
4 3
RESET,
pull high.
U12
KBZONE1_B
27 3
VCC OUT0
4 KBZONE1_R
OUT1
5 KBZONE1_G
OUT2
31
A0
32 6 KBZONE2_B
A1 OUT3
1 8 KBZONE2_R
A2 OUT4
KBZONE2_G
2 9
A3 OUT5
12
NC
13 10 KBZONE3_B
NC1 OUT6
KBZONE3_R
28 11
NC2 OUT7
14 KBZONE3_G
OUT8
24
RESET#
25 15
SCL OUT9
26 16
SDA OUT10
17
OUT11
29
NC3
30 19
NC4 OUT12
7 20
GND OUT13
18 21
GND1 OUT14
23 22
GND2 OUT15
TLC59116FIRHBR
RGB K/B
TLC59116FIRHBR
20170418
5VS
KBCLED
J_KBLED_3
5VS_KBC
1
C2045
2
3
*0.1u_10V_X7R_04
4
5
6
KBLIGHT_ADJ
39 KBLIGHT_ADJ
12,13,32,41,49,50,51,52,63,64,66
3,9,10,11,12,13,30,32,33,34,35,36,38,39,41,42,44,48,49,50,51,52,59
5,27,30,33,36,38,39,42,44,48,50,51,52,53,54,55,56,58,61,62,63,66
4 3
2
KB_5VS
5VS
R2205
*28mil_short-p
R2206
*28mil_short-p
RGB K/B
FP226H-004S10M
KB-SO16
1 KB-SO16
KB-SO17
2 KB-SO17
3
KB-DET
4 KB-DET
J_KBLED_2
MAIN
RGB K/B

KB_5VS
9
KBZONE1_R
KBZONE1_G
C710
4.7u_6.3V_X5R_06 KBZONE1_B
RGB K/B KBZONE2_R
KBZONE2_G
KBZONE2_B
KBZONE3_R
KBZONE3_G
KBZONE3_B
U168
1 8
FON GND
2 7
VIN GND
3 6
VOUT GND
4 5
VSET GND
*NCT3940S-A
! ! ! !!DMFWP!DP/ ! ! ! !!DMFWP!DP/ ! ! ! !!DMFWP!DP/
Title Title Title
[40] BACKLIGHT KEYB [40] BACKLIGHT KEYB [40] BACKLIGHT KEYB
5VS Size Size Size Document Number Document Number Document Number
6-71-P9500-D03 6-71-P9500-D03 6-71-P9500-D03
3.3VS
A4 A4 A4 P955HQx P955HQx P955HQx
VDD3
Date: Date: Date: Friday, June 23, 2017 Friday, June 23, 2017 Friday, June 23, 2017
2
Schematic Diagrams
1
D
39
39
39
12
11
Sheet 40 of 74
10
9
NC1
8
Backlight KB
C
7
NC2
6
5
4
3
2
1
J_KBLED_1
FP225H-012S10M
6-20-94K50-012
RGB K/B
B
A
Rev Rev Rev
D03 D03 D03
Sheet Sheet Sheet 40 40 40 of of of 74 74 74
1
Backlight KB B - 41