5
6
7
8
9
10
11
12
J3
1
2
3
4
5
6
7
8
9
10
11
12
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
+5V
GND
BKLT 1
BKLT 2
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
+5V
TO
MOTHER
BOARD
GND
GND
+12V
+12V
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
FPCWKEY
FPCWA
FPWSP1
FPPTT
FPSPITXD
FPSPIRXD
FPSPICLK
FPBITE
ENA
FPWSP2
DHSLMSEL
FPTCALM
PRMICA
PWRON
EXTSPKR
CWKEY
MODEM EN
SQA
FPRXD
FPTXD
FPSP1
EXAUDPTT
J1
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
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PA1
CONNECTOR
MIC
16V
C59
0.1
C58
0.1
C56
10
+12V
12
13
11
U6D
4093
8
9
10
U6C
4093
14
7
U19E
4093
C74
2.2
+5V
14
7
U6E
4093
7
14
U7C
4013
C64
2.2
+5V
C65
2.2
+5V
8
4
U18C
CA3240
C66
2.2
+5V
4 INDUCTANCE IS IN MICROHENRYS
3 DIODES ARE 1N4148
2 CAPACITANCE IS IN MICROFARADS
1 RESISTANCE IS IN OHMS
NOTES:
UNLESS OTHERWISE SPECIFIED
A
7000-290
RELEASE
13MAY98
13MAY98
K1B
100
B
99-0267
REVISED PER ECO
TW
A.MARTINEZ
C
01-0539
U15 WAS 78L05
BB
10-23-01
D
03-0101
C40 WAS 100 UF
BB
04-16-03
E
05-0099
DNP U8
BB
11-4-05
TW7201I-MS
Figure 5-2
Front Panel
Processor Board
Schematic Diagram
(994359 Rev. E)
5-11
TO
DISPLAY
BOARD
TO
DISPLAY
BOARD
SYNC
SENSE 1
CONTRAST
HEATER SW
CS 2
CS 1
READY
RE
WE
J4
+12V (HEATER)
CLKDIS
SPITXD
1
2
3
4
C70
.01
R57
470K
Q7
R56
+5V
R29
C69
C73
.01
Q8
R60
100
C71
R28
470K
10
470K
R59
+5V
+5V
11
R31
5
4
4093
C36
.015
+12V
D11
1N4148
Q4
PN2222A
K1A
+12V
R40
4.7K
Q6
PN2222A
R45
4.7K
R32
4.7K
Q2
PN2222A
T1
+12V
C37
0.1
C38
470
R33
10 1/4W
C39
0.1
C40
1000
DS1
TC/SC/TA
ALARM
R46
220
+12V
C49
0.1
+12V
PA0
SPITXD
SPIRXD
SPICLK
PA5
PA6
PA7
PD7
SCIRXD
SCITXD
10K
POWER
SWITCH
VOLUME
CONTROL
C63
0.1
+5V
C62
100 16V
Vin
1
2
+5V 3
GND
U15
7805
C61
470
1
2
3
U19A
4093
C16
2.2
+5V
1
2
3
4
5
J7
C55
0.1
R133
10K
SPICLK
+5V
C2
2.2
J310
470K
100
10
J310
10
R58
470K
R30
12
U19D
6
U19B
C60
C19
2.2
+5V
C81
.001
R21
470K
C20
0.1
R20
4.7K
A2
3
Q0 4
Q1 5
A1
2
Q2 6
A0
1
Q3 7
CL
15
Q4 9
Q5 10
D
13
Q6 11
EN
14
Q7 12
GND
8
VCC
16
U1
74HC259
C72
+5V
470K
13
4093
1M
D9
1N4148
D10
1N4148
R43
4.7K
+5V
J11
1
10
OFF
ON
C1
2.2
+5V
+5V
R71
270K
C80
0.1
D
9
C
11
Q
13
Q
12
R
10
S
8
U7B
4013
8
9
10
U19C
4093
C22
120P
R19
150K
D
5
C
3
Q
1
Q
2
R
4
S
6
U7A
4013
+5V
C18
2.2
R18
220
+5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
J6
C0
C1
C2
C3
C4
C5
C6
C7
R0
R1
R2
R3
R4
R5
R6
+5V
RP1
100K
1
Q5
PN2222A
R41
47K
R42
4.7K
+5V
C77
.01
R70
620K
C17
2.2
+5V
OE
10
SER
14
SLOAD
13
LCK
12
A
15
B
1
C
2
D
3
Q
9
E
4
F
5
G
6
H
7
GND
8
VCC
16
SCK
11
U10
74HC589
R13
D7
47K
R17
C67
C82
L4
L1
1
3
4
5
6
J12
1
2
3
4
5
6
J10
1
2
3
4
5
6
J9
4
8
5
R26
1.2K
C33
.01
C35
.001
C34
10
R27
470K
+5V
C24
2.2
C25
0.1
L11
C26
0.1
+5V
C29
10
C27
10
R24
1M
C28
10
R25
33K
C30
0.1
A
11
B
10
C
9
I/O
3
INH
6
VEE
7
0
13
1
14
2
15
3
12
4
1
5
5
16
6
2
VSS
8
VDD
7
4
U11
4051
D1
1
2
3
U6A
4093
D3
D2
+5V
R11
47K
C14
.01
D12
D8
R14
47K
+5V
R15
470 1/4W
+12V
C68
.01
R12
47K
D4
5
6
4
U6B
4093
D6
D5
+5V
47K
C15
.01
R16
+5V
470 1/4W
+12V
.01
.01
L2
2
1
3
7
2
6
U17
SL6270
C32
2.2
L6
C31
0.1
L3
A
11
B
10
C
9
I/O
3
INH
6
VEE
7
0
13
1
14
2
15
3
12
4
1
5
5
16
6
2
VSS
8
VDD
7
4
U12
4051
+5V
1
2
3
4
5
6
J8
CLARIFIER
CLARIFIER
ROTARY
ENCODER
SPKR1
2
1
J5
R51
47 1/2W
L8
L9
C54
.01
C53
470
R49
10 1/4W
R48
220 1/4W
C78
0.1
C52
0.1
R50
220 1/4W
2
1
C51
100
C44
470
C45
0.1
C46
0.1
+12V
R72
1.5 1/2W
R47
2.2 1/4W
RSTA
7
ENA
2
CLKA
1
RSTB
15
ENB
10
CLKB
9
QA1 3
QA2 4
QA3 5
QA4 6
QB1 11
QB2 12
QB3 13
QB4 14
VSS
8
16
VDD
U9
4520
1
1
994359
E
4-Nov-2005
14:01:34
994359E.sch
Title:
Size:
Drawing Number:
Date:
File:
Rev:
Sheet
of
Time:
D
TW7201 FRONT PANEL
Schematic
Date:
Date:
Appr:
Drawn:
REV
ECN
DESCRIPTION
DATE
APPR
3030 Enterprise Ct.
Vista, CA 92083
(760)597-3777
Q
9
D0
7
D1
6
D2
5
D3
4
D4
3
D5
2
D6
1
C11
2.2
+5V
R9
100K
C12
.02
+5V
R6
100K
C10
.02
+5V
R7
4.7K
R8
4.7K
Q1
PN2222A
PA7 5
PA6 6
PA5 7
PA4 8
PA3 9
PA2 10
PA1 11
PA0 12
PB7 21
PB6 20
PB5 19
PB4
17
PB3 16
PB2 15
PB1 14
PB0 13
PC7 24
PC6 25
PC5 26
PC4 27
PC3 28
PC2
PC1 30
PC0
OSC1
TCMP
PD0/RDI
PD1/TDO
PD2/MISO
PD7
VSS
4
4 4
MC68HC705C8
B
A
COM
ON/OFF
4
5
3
VCC
GND
U14
TDA2002
C47
10
C48
.001
C50
1.0
SPICLK
SPITXD
SPIRXD
SPICLK
SPITXD
SPIRXD
SCITXD
SCIRXD
R10
47K
L5
PF1
I7
12
I6
13
I5
14
I4
15
I3
1
I2
2
I1
3
I0
4
DE
7
S0
11
S1
10
S2
9
Y-
6
Y
5
VCC
16
GND
8
U2
74HC251
+12V
CW KEY
MIC AUDIO
PTT
HANDSET AUDIO
GND
6
5
4
3
2
1
+12V
CW KEY
MIC AUDIO
PTT
HANDSET AUDIO
GND
6
5
4
3
2
1
+12V
CW KEY
MIC AUDIO
PTT
HANDSET AUDIO
GND
6
5
4
3
2
1
TW7000F VERSION
CONNECTOR
MIC
CLAR-B
CLAR-A
+12V
A0
1
A1
2
A2
3
CS1
6
CS2
5
LE
4
Y7
7
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
GND
8
VCC
16
U3
74HC137
C3
2.2
D7
15
D8
14
D9
13
D10
12
D11
11
W
10
VSS
8
VDD
16
U5
MC14531B
R53
4.7K
R55
4.7K
R54
100K
R52
100K
+5V
+5V
C13
2.2
+5V
PA4
PA3
R62
10K
C75
.01
2
RESET 1
3
A1
4
B1
5
14
RESET 2
13
A2
12
B2
11
Q1 6
Q1 7
Q2 10
Q2
9
VDD
16
VSS VSS
VSS
1
8
15
U4
MC14528
29
31
RESET
1
IRQ
2
NC
3
NC
18
NC
23
NC
40
43
OSC2
42
TCAP
41
38
32
33
34
PD3/MOSI
35
PD4/SCK
36
PD6
37
39
22
VPP
VDD
U13
U16
RE5VA21AC
C8
.01
C9
2.2
R3
47K
R4
56K
R2
47K
+12V
+5V
R5
47K
+5V
R63
100K
+5V
+5V
R1
1M
Y1
2.4576
C4
27P
C5
27P
C6
6-50P
C7
2.2
+5V
R64
100K
+5V
SK
2
DI
3
DO
4
NC
7
NC
6
CS
1
8
VDD
GND
5
U8
DNP 93C06
C23
2.2
Содержание TW7201I
Страница 2: ......
Страница 4: ......
Страница 10: ......
Страница 16: ......
Страница 86: ...TW7201I MS Figure 5 4 DHSL Modem Board Schematic Diagram 994184 Rev E 5 25 ...
Страница 99: ...TW7201I MS Figure 5 6 Power Supply Interface Schematic Diagram 994222 Rev D 5 39 ...
Страница 104: ...TW7201I MS TW7201I MS Figure 5 8 Switching Board Schematic Diagram 994149 Rev A 5 45 ...
Страница 106: ......