Sony NV-U74 Service Manual page 31

5-15. SCHEMATIC DIAGRAM - MAIN Board (10/10) -
1 2 3 4
A (10/10)
MAIN BOARD
F3001
2.5A
LF3001
JL3001 JL3004 32V
J3001
DC IN
5-5.2V
- +
C3001 VD3001
JL3002 JL3005
B 0.1
C
D
XACC_IN
E
10
MAIN
F
BOARD
(1/10)
(Page 22)
G
XBATT_CHG
H
I
J
K
25
XACC_IN_HUB
L
USB_XCHGON
MAIN
BOARD
USB_HPWR
(7/10)
(Page 28)
MA+B
24
USB_VBUS
GND
MAIN
BOARD
SYS3.2V
(7/10)
M
(Page 28)
18
GND
MAIN
SYS3.2V
BOARD
N
(3/10)
(Page 24)
O
P
NV-U74
• See page 33 for IC Block Diagrams.
5 6 7 8
C3002 D3016
0.1 JL3021 D1FM3
0
R3123
22k Q3026
S RTM002P02
0
0
IC3001
VOLTAGE DETECT
D4002
R3013
SML-310VTT86
1k D3003
RB715W-TL CHG
(
CHARGING
(RED)
0 0
2 1
D4005
RB751V-40TE-17
Q3003,3026
B+ SWITCH
C3008
0.1
3 4
R3023
D3002
470k
MM3Z10VT1
R3012 C3011
C3007
100 10 0.1
10V
0
3.6
S S
1 3
3.1 0
2 4 2.5
R3106
0 0
Q3003
8 7 5 6
TPCP8301(T5RSONYF) D3323
RB715W-TL
R3015 0
Q3018
RT1N441U-TP-1 0
VOLTAGE DETECT D3004
RB715W-TL
D3009
0
1SS355TE-17
R3131
0 0
Q3128
D3005
RT1N441U-TP-1
1SS355TE-17
VOLTAGE DETECT
JL3008
D3006
RB715W-TL
Q3021
RTM002P02
POWER OFF SWITCH
JL3007
0 S 3.6
R3115
1k
R3120
3.6
R3117
10k
470k
D3014
1SS355TE-17
3.6
6
0
2
S3004
1
/
S3002
RESET
ON OFF
IC B/D
4 3 2 1
R3024 IC3003
33k
R3126 0
WALL
GND
100k
CHARGE CONTROL
0
SHDN
NTC
TP3003
0
SUSP IC3003 VNTC
LTC4055EUF#TR
0
HPWR
CHRG
TP3004
ACPR
9 10 11 12
R3037
C3049
100k
0.1
C3017 R3028 R3026 C3021
R3109 R3110
0.1 10k
10k 0.01
10 22k
R3041
180k
Q3004,3005
Q3005
CHARGE CURRENT 0
RT1N441U-TP-1
CONTROL SWITCH
0
0
3.2
Q3004
RT1N441U-TP-1 R3042
120k
9 10 11 12 13
R3075
220k
FB3005
R4011 R4028 R4027
330 47k 1.2k
L3005
6.8uH
D4006
SML-E12P8WT86SK
CHG
) ( )
FULL CHARGE
C3032 C3033
R3076
(GRN) 0.1
22 33k
C3064
0.1
0
2.2
Q4003
RT1N441U-TP-1
R3056
R3052
INVERTER
0
0
C3025 C3027
22
0.1
R3034 R3047
100k
470k
Q3006
TPCP8301(T5RSONYF)
B+ SWITCH
0
4 Q3008
RTR020P02TL
3.6 3 3.6 3 S 3
6
S 5
7
3.6 S
1 8
R3070 0
JL3009
470k Q3007,3008
B+ SWITCH
2
0
0
R3081
220k
3.1
Q3007
LSK3019FP8TL
S
D3007 D3018
RB751V-40TE-17 1SS355TE-17
C3035
C3062
0.1
R3058 0.1
220k
R3118
470k
R3048
33k
0
3
3.6
5
Q3023
S S 4
UM6K1N-TN
POWER CONTROL
FL3001
C3014 C3013 C3015 C3016
0.1
10 10 0.1
C3006
0.1
C3067 C3004 C3005
20p 22 0.1
L3001
2.2uH
0
0
R3046
3 180k
2.5
R3014
330k
R3009 FB3026
0 0
C3069 C3068 C3009 C3010
0.1 20p 22 0.1
RTM002P02
POWER SWITCH DETECT
C3057
0.01
31 31
14 15 16 17 18
IC B/D
11
3.6
D3010
VBAT GND R3088
0.7 3.2 0 1SS355TE-17
LBI LBO
R3089
PS FB
JL3018
3.6 4.9 0
SW VOUT
3.6
PGND EN
C3040
IC3005
IC3005
47
TPS61027DRCR
C3039 10V
DC/DC CONVERTER
2.2
R3087
Q3012
470k
RTM002P02
3.6 3.6
S
R3083 R3084
470k 0
0 Q3011,3012
SWITCHING
0
3.2
Q3011
LSK3019FP8TL
S
R3114
L3006
0 D3008
33uH
RB160M-60TR
IC3004
LED DRIVER
SHDN
3.2 0
IC B/D
FB
FB3004 GND R3071
0 3.2 3.2 4700
VIN
SW
IC3004
C3031
CAT4238TD-GT3
4.7 C3034
2.2
R3010
FB3028 0
FB3025
0.8A
32V
C3023
C3019 C3022
0.1
10 22
R3045
R3043
330k
100k
R3044
68k
R3062
0
IC B/D
41 40 39 38 37 36 35 34 33 32 31
C3003
20p
R3016
100k
3.6 3
DEFDCDC3 SCLK
JL3025 1.3 3
VDCDC3 SDAT
0 R3065 0
PGND3 XINT
IC3002
1.3 3.2
L3 XRESPWRON
3.6 0
VINDCDC3 POWER CONTROL TRESPWRON
L3002
3.6 3.2
4.7uH IC3002
VINDCDC1 DCDC1_EN
3.2 TPS65020RHAR 3.6
L1 DCDC2_EN
3.2
PGND1 DCDC3_EN
3.2 3.2
VDCDC1 LDO_EN
TP3002
0.6 3.3
DEFDCDC1 XLOWBAT
R3019
100k
11 12 13 14 15 16 17 18 19 20
R3018 R3029
10
100k
FB3027
Q3024
3.2
S
3.6 R3061
0
R3121
1k
0
C3030 C3066
C3058 C3018 C3046
0.1 2.2 0.1
0.1 4.7
C3059 R3033
C3029
0.01 100k
2.2
Note: IC3002 and IC3003 cannot exchange with single. When these
parts are damaged, exchange the entire mounted board.
NV-U74
19 20 21 22
27
BATT_CHK
JL3014
MA+B
MAIN
GND
BOARD
(9/10)
SYS3.2V
(Page 30)
SYS5V
26 (Page 29)
SYS3.2V
GND MAIN
BOARD
(8/10)
23 (Page 27)
GND
SYS3.2V MAIN
BOARD
BU3V2 (6/10)
SYS5V
SYS3.2V
19 (Page 25)
R3085
0 JL3031
LED+
MAIN
R3077 R3086 BOARD
JL3032
1k 0 (4/10)
LED-
R3074
4700
GND
R3078
C3037
16
1 CN3001
5P
1 EB1+
JL3011
2 EB1+
BAT3001
3 TH LITHIUM ION
BATTERY
JL3012
4 EB1-
5 EB1-
R3051
0 JL3029 JL4001 17
BU3V2
JL3015
SYS3V
JL4008 MAIN
BOARD
GND
(2/10)
(Page 23)
LCD_ON
BACK_LIGHT_PWM
XBATT_FAULT
PWR_SCL
PWR_SDA
9
JL3023
XVDD_FAULT
R3066 JL4007
0
XRESET
MAIN
C3026 0.001
BOARD
JL3017
(1/10)
SYS_EN
(Page 22)
R3054 22k
JL3022
PWR_EN
POWER_SW
SYS3V
PWR_CORE
JL3028 11
BU3V
JL3027
MAIN
PWR1.3V
BOARD
PWR1.1V (1/10)
JL3026 (Page 22)
JL3024
SYS3.2V
GND
JL3006 JL3010
ET003
(CHASSIS)