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Samsung SM-B105E Service Manual page 28

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Level 3 Repair
8-3- 9 . Back Light (for Color Main LCD)
Is LCD connected well with
PCB?
(32 Pins)
Is the voltage of Pin 13
more than 8V?
END
R217
LCD_FRM
LCMRSTN
ZD205
WHTLED_IB0
WHTLED_IB1
LCM_D07
LCM_D06
LCM_D05
LCM_D04
LCM_D03
LCM_D02
LCM_D01
LCM_D00
LCM_WEN
LCM_CD
LCM_CS_N
LCM_RDN
R219
C222
LCD CONNECTO
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
Yes
Yes
VDDIO_2V8
VBAT
LCD200
1
NC
2
GND
3
GND
4
FLM
5
RESET
6
2.8V
7
2.8V
8
1.8V
9
NC
10
GND
11
NC
12
LED_A
13
LED_K1
14
LED_K2
15
GND
16
NC
17
LCD7
18
LCD6
19
LCD5
20
LCD4
21
LCD3
22
LCD2
23
LCD1
24
LCD0
25
GND
26
WR
27
RS
28
CS
29
RD
30
GND
31
NC
32
NC|VPP
33
NC
34
NC
C224
C225
No
No
Repalce LCD Module
SOFT200
8-20
Resolder LCD
LCD200
UP
SOFT201
OK

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