NV-U74
NV-U74
22
22
5-6. SCHEMATIC DIAGRAM - MAIN Board (1/10) -
• See page 19 for Waveforms. • See page 37 for IC Pin Function Description.
D6
C4
D4
C2
D2
E4
E3
C1
D1
F3
G4
F2
E1
G3
G2
H3
H2
G1
J3
J2
K3
K2
J1
K4
A6
C6
L2
M2
M3
N2
N1
P3
R3
R1
T1
V2
U4
Y2
Y3
AA3
AB1
AB4
AC5
AB5
AC7
AA6
AB9
AB10
AC9
AC10
AB7
AB8
AD6
AC4
AD7
AD3
C9
B3
A3
B9
AB6
AD5
B6
A10
B7
C8
C7
AC13
AB13
AD13
AC14
AB14
L1
V3
K1
U1
AA4
T3
AB3
R4
AA1
P4
Y1
P2
W1
N3
V1
M4
AC20
AD20
B24
A24
A23
B23
P24
J24
A9
A8
A5
B4
E24
AA21
AC24
AD24
AC23
AD23
V21
B12
A7
D3
J23
L24
F24
AD16
R24
M23
B21
W3
AD4
T2
AD11
B2
A2
B1
A1
J21
D10
AA15
M21
U3
AA7
P21
K21
G21
D21
D12
D8
W4
AA12
B5
D7
K10
K11
K12
K13
K14
K15
L10
L11
L12
L13
L14
L15
M10
M11
M12
M13
M14
M15
N10
N11
N12
N13
N14
N15
P10
P11
P12
P13
P14
P15
R10
R11
R12
AA14
R13
R14
R15
MA23
MA22
MA21
MA20
MA17
MA16
MA19
MA18
MA13
MA12
MA15
MA9
MA8
MA11
MA10
MA14
MA7
MA3
MA5
MA2
MA1
MA4
MA6
MD23
MD22
MD9
MD25
MD19
MD18
MD21
MD20
MD15
MD14
MD17
MD11
MD10
MD13
MD12
MD16
MD5
MD24
MD7
MD4
MD3
MD2
MD6
MD8
MD30
MD27
MD29
MD26
MD28
MA24
MD0
MD1
MD31
SDCLK1
SDCKE
XSDCS0
DQM3
DQM2
DQM0
XSDCAS
DQM1
XSDRAS
XWE
XOE
BU3V
PWR1.3V
SYS3.2V
PWR1.1V
PWR_CORE
47
R1090
10
R1089
68
R1086
68
R1085
68
R1081
68
R1084
68
R1082
33
R1080
47
R1088
68
R1083
47
R1087
LCD_B0
LCD_B1
LCD_B3
LCD_B2
LCD_G0
LCD_B4
LCD_G1
LCD_G3
LCD_R1
LCD_R3
LCD_R0
LCD_G4
LCD_G2
LCD_R2
LCD_HSYNC
LCD_R4
DEBUG_RXD
DEBUG_TXD
GPS_RXD
GPS_TXD
47
R1078
NOR_XCS
10
R1032
0
R1047
47
R1048
47
R1049
AC97_DOUT
AC97_BITCLK
AC97_SYNC
AC97_DIN
XAC97_RESET
PWR_SDA
PWR_SCL
USB_T_N
0
R1053
LCD_CLK
X1001 13MHz
32.768kHz
X1002
0
R1029
0
R1030
0
R1031
0
R1033
LCD_VSYNC
AC97_IRQ
XGPS_RESET
GPS_RAM_CLEAR
USB_PUP
POWER_SW
MNAND_CMD
MNAND_CLK
PWR_EN
SYS_EN
0.1
C1027
0.1
C1026
0.1
C1028
0.1
C1029
0.1
C1032
0.1
C1030
0.1
C1031
0.1
C1033
0.1
C1034
0.1
C1035
20p
C1038
0.1
C1039
0.1
C1040
0.1
C1041
0.1
C1042
0.1
C1043
0.1
C1044
0.1
C1046
0.1
C1047
0.1
C1048
0.1
C1049
0.1
C1053
0.1
C1036
0.1
C1037
0.1
C1025
R1091
100k
10k
R1026
100k
R1015
4700
R1013
4700
R1014
4700
R1016
4700
R1017
100k
R1022
100k
R1027
10k
R1020
0
R1010
0
R1011
FB1011
FB1010
FB1008
100k
R1045
R1034
10k
0.1
C1024
0
R1046
TP1001
10k
R1025
100
R1055
FB1003
100k
R1021
100k
R1003
TP1031
GND
33
RB1005
33
RB1006
33
RB1007
33
RB1008
68
RB1009
68
RB1010
68
RB1011
68
RB1012
33
RB1015
33
RB1017
47
RB1014
33
RB1016
47
RB1013
100k
R1024
100k
R1012
0
R1127
FB1004
100k
R1075
100k
R1073
R1071 100k
R1059 100k
R1057 100k
JL1028
JL1029
1k
R1028
4700
R1072
4700
R1074
R1019
0
0
R1123
10
R1121
0
R1122
MNAND_DAT3
GPS_1PPS
SYS3V
FB1013
TP1030
MNAND_DAT2
MNAND_DAT0
MNAND_DAT1
BACK_LIGHT_PWM
XRESET
NOR_XWP
10k
R1040
XACC_IN
0
R1094
0
R1093
FB1009
FB1012
0
R1097
47
R1099
33
R1100
47
R1102
47
R1101
USB_XDET
USB_ID
0
R
1111
0
R1114
0
R1115
MS_XINS
100k
R1126
15k
R1125
15k
R1124
FL1005
USB_H_N
USB_H_P
XRESET_OUT
JL4003
JL4002
JL4006
JL4004
JL4005
100k
R1109
XRESET_OUT
MSLED_EN
USB_T_P
XBATT_CHG
XBATT_FAULT
XVDD_FAULT
TP1002
MD1
MD0
MD2
MD3
MD5
MD7
MD4
MD6
MD8
MD9
MD10
MD11
MD12
MD14
MD13
MD15
MD16
MD17
MD18
MD19
MD20
MD22
MD21
MD23
MD25
MD24
MD26
MD27
MD28
MD30
MA9
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
10
R1079
100k
R1108
LCD_CLK
LCD_ON_CPU
LCD_EN_CPU
LCD_LDD1_CPU
LCD_LDD0_CPU
LCD_LDD2_CPU
LCD_LDD3_CPU
LCD_VSYNC_CPU
LCD_HSYNC_CPU
DEBUG_RXD
DEBUG_TXD
GPS_RXD
CIF_PCLK
CIF_FV
CIF_L
V
CIF_DD2
CIF_DD1
CIF_DD7
CIF_DD3
TPLED_ON
CIF_DD0
CIF_DD4
CIF_DD5
CIF_DD6
AC97_BITCLK
AC97_SYNC
AC97_DIN
AC97_DOUT
XAC97_RESET
BACK_LIGHT_PWM
GPS_TXD
GPS_RXD
XAC97_RESET
PWR_SCL
PWR_SDA
USB_T_P
USB_T_N
AC97_IRQ
LCD3.2V_ON
MSLED_EN
GPS_1PPS
XGPS_RESET
GPS_RAM_CLEAR
USB_XDET
MNAND_CLK
MNAND_CMD
PWR_EN
SYS_EN
XBATT_FAULT
XVDD_FAULT
GPS_TXD
MNAND_CMD
USB_ID
MNAND_CLK
GPS_1PPS
MD0_CPU
MD1_CPU
MD2_CPU
MD3_CPU
MD4_CPU
MD5_CPU
MD6_CPU
MD7_CPU
MD8_CPU
MD9_CPU
MD10_CPU
MD11_CPU
MD12_CPU
MD13_CPU
MD14_CPU
MD15_CPU
MD16_CPU
MD17_CPU
MD18_CPU
MD19_CPU
MD20_CPU
MD21_CPU
MD22_CPU
MD23_CPU
MD24_CPU
MD25_CPU
MD26_CPU
MD27_CPU
MD28_CPU
MD29_CPU
MD30_CPU
MD31_CPU
MD1_CPU
MD0_CPU
MD2_CPU
MD3_CPU
MD5_CPU
MD7_CPU
MD4_CPU
MD6_CPU
MD8_CPU
MD9_CPU
MD10_CPU
MD11_CPU
MD12_CPU
MD14_CPU
MD13_CPU
MD15_CPU
MD16_CPU
MD17_CPU
MD18_CPU
MD19_CPU
MD20_CPU
MD22_CPU
MD21_CPU
MD23_CPU
MD25_CPU
MD24_CPU
MD26_CPU
MD27_CPU
MD28_CPU
MD30_CPU
MD29_CPU
MD31_CPU
MD29
MD31
MA7_CPU
MA17
MA20_CPU
MA13
MA19_CPU
MA21
MA8
MA10_CPU
MA21_CPU
MA13_CPU
MA11_CPU
MA10
MA14_CPU
MA15_CPU
MA20
MA12_CPU
MA7
MA19
MA5
MA6
MA4
MA17_CPU
MA2_CPU
MA5_CPU
MA12
MA8_CPU
MA1_CPU
MA11
MA14
MA4_CPU
MA16_CPU
MA16
MA6_CPU
MA18_CPU
MA15
MA1_CPU
MA2_CPU
MA3_CPU
MA4_CPU
MA5_CPU
MA6_CPU
MA7_CPU
MA8_CPU
MA9_CPU
MA10_CPU
MA11_CPU
MA12_CPU
MA13_CPU
MA14_CPU
MA15_CPU
MA16_CPU
MA17_CPU
MA18_CPU
MA19_CPU
MA20_CPU
MA21_CPU
MA22_CPU
MA23_CPU
MA24_CPU
LCD_ON
LCD_B1
LCD_B0
LCD_B2
LCD_B3
LCD_HSYNC
LCD_VSYNC
LCD_R4
LCD_R3
LCD_R2
LCD_R1
LCD_R0
LCD_G4
LCD_G3
LCD_G2
LCD_G1
LCD_G0
LCD_B4
LCD_B3
LCD_B2
LCD_B1
LCD_B0
LCD_HSYNC_CPU
LCD_VSYNC_CPU
LCD_LDD15_CPU
LCD_LDD14_CPU
LCD_LDD13_CPU
LCD_LDD12_CPU
LCD_LDD1
1_CPU
LCD_LDD10_CPU
MNAND_DA
T1
MNAND_DA
T0
MNAND_DAT0
MNAND_DAT1
MNAND_DA
T3
MNAND_DAT3
MNAND_DAT2
MNAND_DA
T2
SP1_XMUTE
USB_PUP
TP1054
TP1053
TP1044
TP1052
TP1038
TP1046
TP1047
TP1050
TP1036
TP1066
MA3_CPU
XRESET
MS_XINS
USB_H_P
USB_XDET
MA24_CPU
MA23_CPU
MA9
MA9_CPU
MA22_CPU
LCD_LDD3_CPU
LCD_LDD1_CPU
LCD_LDD6_CPU
LCD_LDD9_CPU
LCD_LDD4_CPU
LCD_LDD7_CPU
LCD_LDD2_CPU
LCD_LDD0_CPU
LCD_LDD8_CPU
LCD_EN
LCD_ON_ CPU
LCD_VSYNC
LCD_HSYNC
LCD_ON
LCD_EN
LCD_EN
LCD_ON
MA24
MA22
MA2
MA1
MA3
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA10
MA11
MA12
MA13
MA14
MA15
MA16
MA17
MA18
MA19
MA20
MA21
MA22
MA23
MA24
LCD_EN_ CPU
MA23
MA18
USB_T_P
USB_T_N
USB_H_N
GPS_RAM_CLEAR
XGPS_RESET
PWR_SDA
PWR_SCL
XACC_IN
POWER_SW
XRESET_OUT
AC97_DIN
AC97_DOUT
AC97_SYNC
AC97_BITCLK
POWER_SW
NOR_XWP
NOR_XCS
SDCLK1
SDCKE
XOE
XWE
DQM0
DQM1
DQM2
DQM3
XSDRAS
XSDCAS
XSDCS0
USB_H_N
USB_H_P
XRESET_OUT
USB_ID
USB_PUP
SDCKE
SDCLK1
XOE
XWE
XSDRAS
XSDCAS
DQM0
DQM1
DQM2
DQM3
XSDCS0
NOR_XCS
XBATT_CHG
NOR_XWP
XVDD_FAULT
CIF_LV
CIF_DD7
CIF_DD1
CIF_DD5
XACC_IN
XBATT_FAULT
PWR_EN
DEBUG_RXD
DEBUG_TXD
BACK_LIGHT_PWM
LCD_ON
AC97_IRQ
LCD_CLK
LCD3.2V_ON
TPLED_ON
LCD3.2V_ON
TPLED_ON
CIF_FV
XRESET
SYS_EN
XRESET_OUT
MS_XINS
XBATT_CHG
100K
R3536
100K
R
111
0
100K
R1
129
R1066 100K
CIF_DD4
R1064 100K
CIF_DD6
R1068 100K
0.1
C1052
0.1
C1045
0.1
C1015
SP1_XMUTE
CIF_PCLK
TP1059
TP5510
TP5513
R1063 100k
CIF_DD0
R1061 100k
CIF_DD3
0.1
C1014
0.1
C1012
0.1
C1013
0.1
C1016
0.1
C1011
100k
R1052
100k
R1036
MSLED_EN
(1/10)
MAIN BOARD
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
22
O
Q
P
TP1024
TP1025
TP1023
TP1069
TP1065
TP5512
TP1072
TP1062
TP5503
TP1063
10k
R1042
100k
R1041
JL4023
100k
R1035
TP1057
TP1056
R1018
0
TP5511
FB1005
LCD_LDD4_CPU
LCD_LDD10_CPU
LCD_LDD6_CPU
LCD_LDD9_CPU
LCD_B4
LCD_G4
LCD_G0
LCD_G3
FB1006
LCD_LDD7_CPU
LCD_LDD8_CPU
LCD_LDD15_CPU
LCD_LDD14_CPU
LCD_G1
LCD_G2
LCD_R4
LCD_R3
FB1007
LCD_LDD12_CPU
LCD_LDD13_CPU
LCD_LDD11_CPU
LCD_R1
LCD_R2
LCD_R0
JL4012
TP1026
TP1027
0
R1128
1p
C1001
FL1007
ET001
(CHASSIS)
FL1002
FL1006
0.1
C1051
100K
R1
107
100K
R1
106
JL9806
JL9807
R1104
100k
CIF_DD2
1p
C1003
0
JL9808
Note:
IC1001 cannot exchange with single. When this part is dam-
aged, exchange the entire mounted board.
Summary of Contents for NV-U74
Page 57: ...MEMO NV U74 57 ...