8-
2
6
Sc
hem
a
tics
, O
v
e
rlays
, an
d Pa
rt
s
Lis
ts:
L
is
t of
Sch
e
m
a
ti
cs
, Com
p
o
nen
t Lo
ca
tio
n
Dia
g
ra
ms
, an
d Pa
rts
Lis
ts
Sep
tem
ber
26
, 20
03
6
881
096
C77-
O
Fi
gur
e 8-14.
HCN1078J
(
S
ta
ndard)
, HCN1
121D
(R
ear)
W9 Contr
o
l
Head Schemat
ic (
S
ide 1 of 2)
KR4
BUSY
BUS-
CONNECT
OR
BUS+
FIL_2
OR
DAMAGE T
O
THE
SPEAKER-LO
BA
TT
-
KR1
DA
TA(7:0)
3.)
ASTERISK (*) INDICA
TES P
A
R
TS NOT
NORMALL
Y
PLACED IN ST
ANDARD CONFIGURA
TION
J101
KS1
KR3
HEAD
VIP-OUT
-1
VF-CONTROL
GROUND
VIP-IN-1
SP
ARE-1
DO NOT
PROBE U3 PIN
SPARE-2
SHOR
T
T
O
GROUND T
O
NC
MIC-HUB
VIP-OUT
-2
SP
ARE-2
NOTE: Q40 USED FOR POSITIVE GROUND
IGNITION SER
VICE
5 VOL
T
1.)
ALL
RESIST
ANCE IS IN OHMS.
ALL
CAP
ACIT
ANCE IN PICO-F
ARADS UNLESS NOTED OTHER
WISE.
DATA(7:0)
DA
TA(7:0)
DISABLE W
A
TCH-DOG
TIMER
CLOCK
NC
ADDRESS (8:12)
DA
TA(7:0)
EMERGENCY
DATA
KS3
KS2
DEK-CLOCK
DEK-DA
TA-OUT
VIP-OUT
-3
VIP-OUT
-1
STROBE
(GREEN)
MIC-PTT
A+
REGISTER
FLEX CABLE
2.) P
A
R
T
USAGE MA
Y
V
A
R
Y
WITH
APPLICA
TION. REFER
T
O
P
A
R
TS LIST
FOR USAGE INFORMA
TION.
SWB+
DIGIT
AL
GROUND
VIP-OUT
-2
VIP-OUT
-3
EEPROM
CIRCUITR
Y
MA
Y
OCCUR.
LA
TCH
LATCH
ADDRESS (7:0)
+43V
SPEAKER-HI
MIC-SWB+
SHIFT
GROUND
5 WITH POWER
APPLIED
CONTROL
W
ARNING!
IGN+
VIP-IN-3
VIP-IN-2
MICROPROCESSOR
PTT/HUB-REF
KR5
PROM
P103
NC
(ORANGE)
KR2
SERIAL
I/0
IGN-
ADDRESS (8:12)
NOTES:
KS4
KS5
REGULA
T
O
R
RESET
FIL_1
MIC-LO
MIC-HI
5.1
36
VR6
15V
R55
1
23
Q74
3
JU3
0
18
Q171
10K
R161
MC78M05
U46
2
GND
1
IN
3
OUT
U8
PWR_GND
7
GND
14
VCC
2
12
10K
R163
1K
R38
1uF
C165
C207
4
31
15
470pF
470pF
C276
C206 470pF
+5V_FIL
43
45
SWB+
L2
9.107uH
.01uF
C53
C16
470pF
16
15
R41
10K
A4
8
A3
9
A2
Q161
A8
3
A12
30
A13
31
+5V_FIL
32
+5V_FIL
4
A7
5
A6
6
A5
7
D6
22
D7
23
CE*
24
A10
25
OE*
26
GND
27
A1
1
28
A9
29
D1
15
D2
16
GND
17
NC
18
D3
19
D4
2
+5V_FIL
20
D5
21
U7
SOCKET
1
NC
10
A1
11
A0
12
GND
13
D0
14
15pF
C22
0
JU19
10K
R84
5
CR164
3
1
2
10K
R20
VR1
1
15V
C277
470pF
5.1
R53
L1
9.107uH
C275
41
470pF
0
7
10K
R0165
JU5
0
JU16*
11
35
VR2
470pF
12
15V
10K
C18
C173 470pF
+5V
R19
C7 .01uF
10K
R81
JU21*
44
0
R27
10K
C12
15V
VR3
Q71
1
2
3
470pF
10uF
CR161
3
1
2
C52
1uF
17
NC1
26
NC2
30
NC3
NC4
12
2
RDY_BUSY*
32
VCC
16
VSS
C46
19
D4
20
D5
D6
21
22
D7
23
EN_CE
25
EN_OE
31
EN_WE
NC
1
5
A6
4
A7
29
A8
28
A9
13
D0
14
D1
15
D2
18
D3
10
A1
24
A10
27
A1
1
3
A12
9
A2
8
A3
7
A4
6
A5
9
+5V_FIL
U5
A
T28HC64
11
A0
A2
12
A3
9
A4
6
A5
5
A6
2
A7
20
VCC
D5
4
D6
3
D7
11
EN_LE
1
EN_OE
10
GND
19
A0
16
A1
15
18
D0
17
D1
14
D2
13
D3
8
D4
7
R25
MC74HC373
U10
47K
100K
R5
15V
10
10K
R13
VR5
SWB+
5
JU20
0
R16
+5V
13
10K
470pF
C73
49
47K
R99
SWB+
470pF
T60
77J03
1
2
3
4
5
6
C39
10K
10K
R74
6
SWB+
R59
R18
10K
Q162
10K
470pF
C75
R15
+5V
C54
470pF
+5V
12
7.9488MHz
21
26
C45
Y1 7160
C274
10uF
+5V_FIL
+5V_FIL
470pF
48
22K
R6
C28
470pF
30
+5V
9
470pF
C272
10K
R183
43V
C170
0.1uF
L23
VR50
470pF
22uH
1
2
3
4
5
6
7
C72
470pF
C26
0
CR74
CR75
CR90
JU4*
0
14
R40
1K
32
C63 0.1uF
15V
VR10
0
JU23*
10K
R28
4.7K
R8
9.107uH
L50
C50
10uF
40
U8B
MC74HC00
5
4
6
10
11
R29
10K
R57 33K
.01uF
C51
U3B LM2903
6
5
7
8
4
R56
6.8K
33K
+5V_FIL
SWB+
R60
R24
15V
VR8
10K
R44
33K
+5V
6
5
4
3
2
1
0
47K
R34
470pF
C14
+5V
7
11
+5V
+5V
8
+5V
47
0
JU12*
SWB+
470pF
13
12
11
C41
Q170
+5V
MC74HC00
U8C
R87
14
10K
470pF
+5V
20
33K
C202
3
A+_IGN
R0058
470pF
C20
R50
470pF
C174
R98
470
C29
10K
470pF
470pF
+5V
C30
R173 4.7K
22K
R181
15V
VR1
JU1
1*
0
5
CR72
C271
470pF
0.1uF
C61
C171
470pF
R31
24
47K
50
C64
0.1uF
Q23
1
3
2
+5V
+5V
SWB+
R71
33K
2
3
1
8
4
C176
470pF
U3A LM2903
470pF
C38
C66
0.1uF
19
R75
10K
5.1
R54
33
+5V
+5V
13
18
2
12
1K
R39
2
+5V
1K
R35
21
19
470pF
C19
C6
470pF
C21
SWB+
1.5uF
0
JU17*
28
33K
R72
+5V_FIL
37
PTH-1
3
+5V
SWB+
PTH-3
CR162
3
1
2
C13
+5V
R14
470pF
470pF
10K
C273
470pF
C44
R166
2.2K
1MEG
A+_IGN
Q72
1
2
3
R200
C65
0.1uF
22K
R51
C67 0.1uF
2.2K
10K
R164
0
R172
C62 0.1uF
Q73
1
2
3
1K
R61
Q50
S(3)
G(2)
D(1)
38
C56
10
1
2
3
.01uF
C1 .01uF
MC74HC00
U8D
33K
R73
0
0
1
2
3
4
5
6
7
470pF
JU2*
15V
SWB+
C47
+5V
VR9
470pF
C57
1K
R37
8
+5V
20
7
R12
17
1K
46
R171
47K
R170
100K
MC74HC00
9
10
8
27
U8A
470pF
C246
CR71
0
470pF
C15
JU24*
SWB+
34
PTH-2
16
15V
VR7
33K
R22
8
4
0
JU9*
1
VSS
18
XIRQ
8
XTAL
0
JU10*
KR4
KR5
50
RESET*
17
STRA_AS
4
STRB_R_W*
6
26
VDD
52
VRH
51
VRL
PD4_SCK
25
PD5_SS*
43
PE0_AN0
45
VIP_IN_1
VIP_IN_2
47
49
KR1
44
KR2
46
KR3
48
PC4_A4_D4
PC5_A5_D5
14
15
PC6_A6_D6
PC7_A7_D7
16
20
RX_DATA
21
TX_DATA
22
PD2_MISO
PD3_MOSI
23
24
PB4_A12
37
PB5_A13
36
PB6_A14
35
PB7_A15
9
PC0_A0_D0
10
PC1_A1_D1
11
PC2_A2_D2
12
PC3_A3_D3
13
STROBE
LATCH
29
28
BUSY_OUT*
27
DEK_DATA-OUT
42
PB0_A8
41
PB1_A9
40
PB2_A10
39
PB3_A11
38
EXTAL
19
IRQ
3
MODA_LIR*
2
MODB_VSTBY
34
PTT
33
VIP_IN_3
32
BUSY_IN*
31
DEK_CLOCK
30
MC68HC1
1A1
U2
5
CLK_E
7
0
470pF
C40
C74
7
6
5
4
3
2
1
R17
1
470pF
R30
10K
CR55
10K
+5V
47K
R43
7
8
9
VR4 15V
7
6
5
4
3
2
1
0
CR51
47K
R182
R21
11
Q75
C23
1MEG
29
4.7pF
SWB+
470pF
C76
JU22*
0
VR12 15V
11
12pF
C24
5
R52
JU13*
0
17
10
10K
8
470pF
C279
3
4
5
6
7
C278
470pF
R1 10K
0
1
2
CR73
10K
R23
0
JU18
9
C27
470pF
C17
R7 4.7K
SWB+
470pF
22
6
4
C71
470pF
470pF
C37
C175
470pF
1
JU1
0
Q40
OFF
1
ON
3
CR76
S1
SWITCH
G1
4
G2
5
2
IN
VR514
15V
12
12
Q7
11
Q8
9
D
ATA
10
QS*
2
SER_DA
T_IN
1
LA
TCH
VDD
16
15
EN_OE
8
GND
4
Q1
5
Q2
Q3
6
7
Q4
14
Q5
Q6
13
MC1409B
U6
3
CLK
1K
R33
10
SWB+
10K
R26
22
35
VIP_IN_3
24
VIP_IN_1*
21
VIP_IN_2*
36
VIP_IN_3*
44
WDT_IN_T_CAP
2
WDT_TICKLE
43
WDT_T_CAP
37
9
RESET
4
RESET*
7
RESET_FIL
TR
31
RES_HUB
RX_DA
TA
20
19
TX_DA
TA
25
VIP_IN_1
VIP_IN_2
15
12
NC7
18
NC8
23
NC9
42
OSC_OUT
6
POS5V
3
POS5_REG
38
PTT
PTT*
28
29
IGN*
14
NC
8
NC1
40
NC2
NC3
27
26
NC4
33
NC5
NC6
16
17
BUS+
41
EXT_OSC_IN
1GND
5
GND
34GND
30
HUB_INV
32
HUB_POL
IGN
SC74487F
U4
39
APOS
BUSY
10
11
BUSY_IN*
13
BUSY_OUT*
BUS-
CR163
3
1
2
R10
220
R32
21
DA
TA(7:0)
47K
ADDRESS(8:12)
ADDRESS(7:0)
