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NV-U74
NV-U74
31
31
5-15. SCHEMATIC DIAGRAM - MAIN Board (10/10) -
• See page 33 for IC Block Diagrams.
Note:
IC3002 and IC3003 cannot exchange with single. When these
parts are damaged, exchange the entire mounted board.
JL3001
JL3002
0.1
C3001
0.1
C3002
JL3004
JL3021
JL3005
LF3001
D3016
D1FM3
2.5A
F3001
32V
DC IN
5-5.2V
J3001
0.1
C3011
RB715W-TL
D3003
MM3Z10VT1
D3002
VD3001
1k
R3013
470k
R3023
0.1
C3008
10
R3012
S-80855CLNB-B7GT2G
IC3001
TPCP8301(T5RSONYF)
Q3003
XACC_IN
0
R3106
22k
R3123
D3020
MM3Z6V8ST1
10V
100
C3007
VOLTAGE DETECT
R3015
0
XBATT_CHG
JL3007
1SS355TE-17
D3005
RT1N441U-TP-1
Q3018
1SS355TE-17
D3009
0
R3131
RT1N441U-TP-1
Q3128
VOLTAGE DETECT
VOLTAGE DETECT
470k
R3021
33k
R3024
R3028
10k
0.1
C3017
100k
R3022
10
R3109
0.1
C3049
USB_XCHGON
100k
R3126
USB_HPWR
XACC_IN_HUB
TP3003
TP3004
MA+B
GND
GND
SYS3.2V
RT1N441U-TP-1
Q3005
0.01
C3021
10k
R3026
RT1N441U-TP-1
Q3004
100k
R3037
180k
R3041
120k
R3042
22k
R3110
Q3004,3005
CHARGE CURRENT
CONTROL SWITCH
180k
R3046
UM6K1N-TN
Q3023
RESET
POWER CONTROL
S3004
S3002
RB715W-TL
D3004
JL3008
RB715W-TL
D3006
470k
R3118
6
1
5
2
4
3
1k
R3115
RTM002P02
Q3021
1SS355TE-17
D3014
10k
R3120
470k
R3117
RB715W-TL
D3323
S
POWER OFF SWITCH
S
S
8 7
2
1
6
5
4
3
S
S
0.1
C3025
22
C3027
0
R3052
100k
R3034
470k
R3047
0
R3056
TPCP8301(T5RSONYF)
Q3006
RTM002P02
Q3026
1SS355TE-17
D30
21
SML-E12P8WT86SK
D4006
1.2k
R4027
330
R4011
47k
R4028
RB751V-40TE-17
D4005
RT1N441U-TP-1
Q4003
SML-310VTT86
D4002
Q3003,3026
B+ SWITCH
B+ SWITCH
INVERTER
CHG
FULL CHARGE
(GRN)
CHG
CHARGING
(RED)
0.1
C3035
RTR020P02TL
Q3008
470k
R3070
LSK3019FP8TL
Q3007
220k
R3081
C3062
0.1
D3018
1SS355TE-17
Q3007,3008
B+ SWITCH
22
C3022
R3062
0
10
R3038
0.1
C3023
100k
R3035
0.1
C3020
10
C3019
330k
R3043
68k
R3044
100k
R3045
CAT4238TD-GT3
IC3004
C3034
2.2
R3071
4700
RB160M-60TR
D3008
R3114
0
33uH
L3006
4.7
C3031
FB3025
32V
0.8A
LED DRIVER
33k
R3048
22
C3004
20p
C3067
0.1
C3016
100k
R3016
0.1
C3005
100k
R3032
10
C3015
20p
C3003
0.1
C3006
10
C3013
100k
R3031
4.7uH
L3003
1
C3047
0.1
C3060
JL3025
FL3001
0.1
C3014
0.1
C3010
10
R3029
TP3002
TP3001
4.7uH
L3002
22
C3009
2.2uH
L3001
100k
R3019
100k
R3018
330k
R3014
RTM002P02
Q3024
C3068
20p
C3069
0.1
POWER SWITCH DETECT
100k
R3033
R3061
0
2.2
C3029
2.2
C3030
0.1
C3066
0.1
C3018
4.7
C3046
0.1
C3058
0.01
C3059
1k
R3121
S
JL3006
JL3010
BU3V
PWR1.3V
PWR1.1V
JL3027
JL3026
JL3028
JL3024
PWR_CORE
SYS3V
GND
SYS3.2V
XBATT_FAULT
R3065
0
XVDD_FAULT
R3066
0
PWR_EN
22k
R3054
PWR_SCL
XRESET
0.001
C3026
PWR_SDA
SYS_EN
JL3015
JL3029
JL3023
JL4007
POWER_SW
GND
JL4001
JL4008
JL3017
JL3022
JL3011
JL3012
5P
CN3001
SYS5V
SYS5V
BACK_LIGHT_PWM
R3074
4700
16
R3078
R3077
1k
LCD_ON
LED-
0
R3085
0
R3086
LED+
JL3032
JL3031
1
C3037
GND
GND
EB1+
EB1+
EB1-
EB1-
TH
BAT3001
LITHIUM ION
BATTERY
MA+B
GND
BU3V2
SYS3.2V
SYS3.2V
GND
SYS3.2V
SYS3.2V
BATT_CHK
JL3014
0.01
C3057
220k
R3058
RB751V-40TE-17
D3007
JL3009
0
R3009
0
FB3026
FB3027
R3051
0
C3064
0.1
33k
R3076
0.1
C3033
C3032
22
FB3005
R3075
220k
6.8uH
L3005
RTM002P02
Q3012
0
R3084
LSK3019FP8TL
Q3011
470k
R3083
470k
R3087
10V
47
C3040
C3039
2.2
0
R3089
R3088
0
1SS355TE-17
D3010
TPS61027DRCR
IC3005
DC/DC CONVERTER
Q3011,3012
SWITCHING
0
R3010
FB3028
ON
OFF
3.6
3.1
0
0
0
3.6
0
0
2.5
0
3.2
0
0
0
0
0
1.3
1.3
3.6
3.6
3.2
3.2
0.6
3
3
0
3.2
0
3.2
3.6
3.2
3.2
3.3
3.3
0
3.2
3.2
1.1
3
1.3
1.2
2.5
3.6
3.6
3
3
0.6
3
0
0
3
3
3.1
0
3.2
3.2
0
3.2
3.6
0
3.2
0
2.2
0
0
3.6
3.6
0
0
3.6
0
3.6
3.6
0
3.6
0
3.6
0
0
0
0
0
3.6
3.6
0
0
0
3
2.5
0
0
0
3.2
4.9
3.6
3.6
0.7
3.6
3.6
3.6
0
0
3.2
1
2
3
4
1
2
3
4
5
6
7
8
9
10 11 12
13
14
15
16
17
8
7
2
1
6
5
4
3
1
2
3
4
5
1
2
3
4
5
6
7
8
11 12 13 14 15 16
21
22
23
24
31
32
41
33
34
35
36
37
38
39
40
9
10
17 18 19 20
25
26
27
28
29
30
123
MAIN BOARD
(10/10)
IC3004
A
20
10
1
2
J
H
B
13
11
L
N
C
7
8
I
M
14
F
9
6
K
4
18
21
15
16
3
G
D
5
17
E
12
19
IC3001
P
O
22
-
+
S
S
/
(
)
(
)
S
S
S
ET003
(CHASSIS)
JL3018
12
3
4
5
6
7
8
9
10
11
S
S
IC3005
0
FB3004
Содержание NV-U74
Страница 57: ...MEMO NV U74 57 ...