NV-U74
NV-U74
25
25
5-9. SCHEMATIC DIAGRAM - MAIN Board (4/10) -
0
3.1
0
0
3.2
3.2
3.2
4.9
0
4.7
4.7
0
3.1
0
VD5003
0.0047
C5003
VD5004
LED-
VD5001
22
R5003
0.0047
C5001
VD5002
22
R5001
LED+
0.0047
C5004
0.0047
C5002
22
R5004
8P
CN5001
1
RL
2
RL
3
DY
4
DY
5
LY
6
LY
7
UY
8
UY
22
R5002
4.7
C5005
45P
CN5002
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
LCD_G3
LCD_G4
LCD_EN
LCD_G2
LCD_R3
LCD_R0
LCD_B2
VD5005
LCD_HSYNC
LCD_VSYNC
LCD_ON
LCD_R2
LCD_B4
LCD_B1
LCD_R4
LCD_B0
LCD_G0
LCD_R1
LCD_B3
LCD_G1
0.1
C5006
0.001
C5007
LCD_CLK
FB5001
C3061
0.1
0.1
C3036
LSK3019FP8TL
Q3017
3300
R9103
TPLED_ON
0
R3100
SYS5V
R3069
470k
RTR020P02TL
Q3010
SYS3.2V
LSK3019FP8TL
Q3009
SML-D12Y8WT86SP
D9103
JL3016
220k
R3082
SML-D12Y8WT86SP
D9101
LSK3019FP8TL
Q3014
LSK3019FP8TL
Q3013
2200
R9101
470k
R3098
LCD3.2V_ON
JL3020
RTR020P02TL
Q3016
470
R3068
470k
R3072
0.1
C3048
D3019
1SS355TE-17
XL
YD
XR
YU
GND
LCD_G4
LCD_B2
LCD_G3
LCD_B1
LCD_B0
LCD_G2
LCD_G4
LCD_B4
LCD_G0
LCD_ON
LCD_CLK
LCD_R4
LCD_HSYNC
LCD_G3
LCD_EN
LCD_VSYNC
LCD_G2
LCD_B3
LCD_B1
LCD_B2
LCD_G1
LCD_HSYNC
LCD_G1
LCD_B0
LCD_R0
LCD_CLK
LCD_G0
LCD_B4
LCD_R3
LCD_B3
LCD_R1
LCD_R0
LCD_R1
LCD_R4
LCD_EN
LCD_R3
LCD_ON
LCD_R2
LCD_R2
LCD_VSYNC
GND
GND
5V -->GND
GND
PON
NC -->GND
R7
VSYNC
G7
R1
G0
R6
GND
5V -->GND
R0
LED2+
G6
B3
B5
R3
G1
DE
B7
VDD_2.5V
B0
R2
VDD_2.5V
PCLK
LED2- -->GND
G2
NC
B1
HSYNC
G4
B2
G3
B4
B6
R5
GND
LED1-
LED1+
G5
GND
R4
(4/10)
MAIN BOARD
A
1
2
H
B
C
7
8
I
F
9
6
4
3
G
D
5
E
LCD5001
LIQUID
CRYSTAL
DISPLAY
TPS5001
TOUCH
PANEL
D9101,9103
(TOUCH PANEL SWITCH BACK LIGHT)
Q3016,3017
LED DRIVE
Q3013,3014
B+ SWITCH
Q3009,3010
SWITCH
S
S
S
S
S
S
Note:
Necessarily execute the calibration when replacing
touch panel (TPS5001). Refer to test mode “10-4-
4. Touch panel” (page 14) for the calibration.
Содержание NV-U74
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