
VOLTAGE LINE
Explanatory notes
TX LINE
RX LINE
COMMON LINE
100k
R101
0.027
C44
100
R46
12
R86
1k
R84
1k
R95
0.001
C90
0.068
C81
4.7k
R87
10
C102
47
R92
0.01
C108
0.001
C89
D1
KDS122
0.001
C101
4.7k
R94
10
C109
0.001
C88
0.01
C82
100k
R85
MA8062
D4
4.7k
R91
2SK1069
Q9
22p
C46
2SC4081
Q5
820
R93
1k
R97
0.001
C87
2SC4081
Q7
2SA1576
Q8
EP81
22p
C45
1k
R98
47k
R96
KDS122
D3
0.1
C142
0.1
C141
HN58X2464TI
IC3
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
R2 10k
1k
R82
0.1
C32
18k
R60
Q2
KTC4075
10k
R57
10k
R59
10k
R61
10k
R55
39k
R62
18k
R56
1k
R64
0.1
C83
100k
R80
DS13
FY1101F
DS16
FY1101F
DS11
FY1101F
DS15
FY1101F
DS12
FY1101F
DS14
FY1101F
Q3
KTC4075
R44
47k
0.47
C41
0.01
C40
0.01
C39
0.01
C36
0.01
C37
0.01
C38
100k
R41
100k
R127
100k
R126
0.01
C31
0.1
C111
0.47
C42
R45
47k
R48 47k
47k
R7
470p
C6
0.001
C5
10k
R34
10k
R33
0.01
C15
15k
R83
100k
R81
DS7
SML-311YT
DS6
SML-311YT
0.01
C16
DS17
FY1101F
DS18
FY1101F
DS22
FY1101F
DS20
FY1101F
DS19
FY1101F
DS21
FY1101F
10k
R65
S-80942CNMC
IC4
1
OUT
2
VDD
3
VSS
4
NC
5
CD
Q1
2SB1201
KRC404
Q6
0.001
C338
0.001
C337
A
VR-M1005C080MT
D43
47p
C334
DS2
SML-311YT
DS5
SML-311YT
DS4
SML-311YT
DS3
SML-311YT
0.0022
C340
100k
R79
20k
R54
20k
R58
4.7k
R66
68k
R63
10
R51
270
R71
270
R72
100
R76
100
R75
100
R77
100
R74
CP1
CP20
CP13
CP24
CP14
CP18
CP16
CP15
CP4
CP19
CP17
CP25
CP12
CP11
KEY
S7
KEY
S8
KEY
S9
KEY
S10
KEY
S6
KEY
S5
KEY
S4
KEY
S2
KEY
S1
KEY
S3
TA78L05F
IC8
I
O
G
0
R99
100k
R88
0.1
C86
0.01
C354
CR-790A
X1
S-817B33AMC
IC11
1
GND
2
VIN
3
VOUT
4
NC
5
NC
10
C352
10
C353
0.01
C351
10k
R32
10k
R31
0.1
C33
KIC7W14FK
IC9
1
2
3
4
5
6
7
8
KDS4148U
D2
1
C99
1
C96
1
C97
1
C98
1
C95
0.1
C356
0.1
C355
TC74LCXR164245
IC10
1
1DIR
2
1B1
3
1B2
4
GND
5
1B3
6
1B4
7
VCCB
8
1B5
9
1B6
10
GND
11
1B7
12
1B8
13
2B1
14
2B2
15
GND
16
2B3
17
2B4
18
VCCB
19
2B5
20
2B6
21
GND
22
2B7
23
2B8
24
2DIR
25
2OE
26
2A8
27
2A7
28
GND
29
2A6
30
2A5
31
VCCA
32
2A4
33
2A3
34
GND
35
2A2
36
2A1
37
1A8
38
1A7
39
GND
40
1A6
41
1A5
42
VCCA
43
1A4
44
1A3
45
GND
46
1A2
47
1A1
48
1OE
0.001
C52
47p
C336
470p
C341
100k
R123
100k
R122
100k
R121
100k
R120
100k
R119
KTC2875
Q4
D5
KDS122
2.2
C94
2.2
C92
2.2
C91
2.2
C93
PC357N6J000F
IC6
47k
R89
100
R38
J4
J5
J6
10
C1
0.1
C2
47k
R49
0.001
C105
56k
R36
180k
R37
3.9
FRONT
unit
SP1
R1
CP3
CP23
CP2
W2
+
-
CP22
0.001
C104
0.01
C107
0.01
C35
0.01
C106
0.1
C21
LM2904PWR
IC2
1
2
3
4
5
6
7
8
3.3k
R24
CP5
CP7
CP6
0.001
C339
10k
R35
R43
12K
6.8k
R26
100k
R22
10k
R25
1M
R23
0
R47
0
R102
M30622MEP
IC1
1
P94/DA1
2
P93/DA0
3
P92/TB2IN
4
P91/TB1IN
5
P90/TB0IN
6
BYTE
7
CNVSS
8
P87/XCIN
9
P86/XCOUT
10
RESET
11
XOUT
12
VSS
13
XIN
14
VCC1
15
P85/NMI
16
P84/INT2
17
P83/INT1
18
P82/INT0
19
P81/TA4IN/U
20
P80/TA4OUT/U
21
P77/TA3IN
22
P76/TA3OUT
23
P75/TA2IN/W
24
P74/TA2OUT/W
25
P73/CTS2/RTS2/TA1IN/V
26
P72/CLK2/T
A1OUT/V
27
P71/RXD2/SCL2/T
A0IN/TB5IN
28
P70/TXD2/SD
A2/T
A
OUT
29
P67/TXD1/SD
A1
30
P66/RXD1/SCL1
31
P65/CLK1
32
P64/CTS1/R
TS1/CTS0/CLKS1
33
P63/TXD0/SD
A0
34
P62/RXD0/SCL0
35
P61/CLK0
36
P60/CTS0/R
TS0
37
P57/TD
Y/CLK
OUT
38
P56/ALE
39
P55/HOLD
40
P54/HLD
A
41
P53/BCLK
42
P52/RD
43
P51/WRH/BHE
44
P50/WRL/WR
45
P47/CS3
46
P46/CS2
47
P45/CS1
48
P44/CS0
49
P43/A19
50
P42/A18
51
P41/A17
52
P40/A16
53
P37/A15
54
P36/A14
55
P35/A13
56
P34/A12
57
P33/A11
58
P32/A10
59
P31/A9
60
VCC2
61
P30/A8
62
VSS
63
P27/AN27/A7
64
P26/AN26/A6
65
P25/AN25/A5
66
P24/AN24/A4
67
P23/AN23/A3
68
P22/AN22/A2
69
P21/AN21/A1
70
P20/AN20/A0
71
P17/D15/INT5
72
P16/D14/INT4
73
P15/D13/INT3
74
P14/D12
75
P13/D11
76
P12/D10
77
P11/D9
78
P10/D8
79
P07/AN07/D7
80
P06/AN06/D6
81
P05/AN05/D5
82
P04/AN04/D4
83
P03/AN03/D3
84
P02/AN02/D2
85
P01/AN01/D1
86
P00/AN00/D0
87
P107/AN7/KI3
88
P106/AN6/KI2
89
P105/AN5/KI1
90
P104/AN4/KI0
91
P103/AN3
92
P102/AN2
93
P101/AN1
94
A
VSS
95
P100/AN0
96
VREF
97
A
VCC
98
P97/ADTRG/SIN4
99
P96/ANEX1/SOUT4
100
P95/ANEX0/CLK4
GND
C2-
C1-
NMEAI+
to CHASSIS
unit W1
to microphone
HM-126
to microphone
HM-126
EXTRXD
EXTTXD
GND
NMEAI-
NMEAO
C1+
XOUT
XIN
VOUT
COMTXD
/NMEAI
/NMEAI
COMRXD
DSDM DSDM
DSD70 DSD70
BEEP
BEEP
PSTB
PSTB
EXTSTB
EXTSTB
OPSTB
OPSTB
RCV
RCV
SEND
SEND
PWRON
PWRON
FOG
FOG
FOGC
FOGC
GND
GND
RESET
RESET
NMTXD
NMTXD
BUSY
HAIL
CH16
LO/DX
CLR
MENU
DTRS
DIM2
DIM1
DIM0
HI/LO
DIALB
DIALA
CH/WX
SCAN
ENT
ENT
PWR
PWR
CNVSS
CNVSS
C3-
C2+
C3+
RS
DB1
DB2
DB0
DB3
DB6
DB7
DB4
DB5
RD
WR
CS1B
RESETB
LEDV
LED
V
VOL1
VOL2
SP+
PWR
HANG
CLORXD
CLORXD
GND
GND
SQLV
SQLV
CLOTXD
CLO
TXD
NMRXD
BU
S
Y
PCK
PD
A
T
A
DIM2
DIM1
DIM0
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
SQL
V
LBA
T
TXDET
SQL
WXDEC
MODEL
MODEL
ENT
CH/WX
SCAN
HI/LO
BE
UNLK
OPTIN
CS1B
RESETB
RS
WR
DIALB
DIALA
DIM3
DIM3
CH16
LO/DX
HAIL
CLR
MENU
DTRS
CE
EVCK
EVD
A
T
A
PTT
HANG
TDEC
ECK
ECK
COMRXD
COMTXD
SCLK
NMTXD
CLORXD
EXTOE
EXT
OE
EPM
EDATA
EDATA
WXDEC
SQL
HV
HV
HV
HV
LBAT
EXTRXD
OPSTB
FOGC
PSTB
BEEP
EXTSTB
SEND
UNLK
PWRON
SP+
SP+
SP+
OPTIN
EVCK
EXTOE
RCV
DSCENC
PDATA
FOG
GND
PCK
EXTTXD
ICF3
SP-
SP-
SP-
GND
EVDATA
DSD70
VOL2
MICG
VOL1
DSDM
MIC
EXTRXD
EXTTXD
ICF3
MICG
MIC
TXDET
VCC
VCC
VCC
ICF3
NMEAI
S5V
S5V
S5V
S5V
S5V
S5V
WXDEC
SQL
OPSTB
FOGC
PSTB
BEEP
EXTSTB
SEND
UNLK
PWRON
SP+
OPTIN
EVCK
EXTOE
RCV
PDATA
FOG
PCK
SP-
EVDATA
DSD70
VOL2
VOL1
DSDM
TXDET
S5V
S5V
SP
-
MICG
MICG
MIC
KEYM
NMRXD
NMRXD
PTT
SCLK
RD
3.3V
3.3V
3.3V
V4
V3
V2
V1
V0
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
L5V
BPFV
DB2
DB6
RW_WR
DB3
DB7
RS
DB0
DB4
VDD
DB1
DB5
E_RD
CS1B
RESETB
PTT
VOL1
VOL2
HANG
AF
SP-
MICG
MIC
GND
KEY
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
RD
WR
CS1B
RESETB
RS
DB7
DB3
DB6
DB2
DB5
DB1
RS
DB4
DB0
WR
RD
RESETB
CS1B
CMPWR
DIALA
DIALB
VOLG
ENT
GND
GND
SQLV
S5V
VOL1
VOL2
DIALA
DIALB
VOLG
J1
to AF
unit J1
J2
to
LCD
J3
DIALA
DIALB
ENT
GND
DIALA
DIALB
ENT
GND
COM
A
B
TP90N1007AE20
DIAL BOARD
LOGIC BOARD
SQL BOARD
VR BOARD
S1
TP96N97
R1
S5V
SQLV
GND
TP96N97
R1
VOL2
VOL1
VOLG
3.3V
5.0V
BACKLIGHT
MAX 8.4V
MIN 5.3V
BACKLIGHT
MAX 2.6V
MIN 1.6V
5.0V
9.8304MHz
4.4V
0V
13.8V
5.0V
13.8V
4.9V
SECTION 11
VOLTAGE DIAGRAMS
11 - 1
11-1 FRONT UNIT