Kenwood TM-V7A Service Manual page 21

144/430mhz fm dual bander
Hide thumbs Also See for TM-V7A:
Table of Contents

Advertisement

SEMICONDUCTOR DATA
TM-V7A/E
Pin
Pin code
vo
Function
Active
No.
level
25
P_ESV
ie]
Shift register data (VHF)
26
P_PSW
{e)
Power switch
H
27
P_STP2
ie)
Cross point switch latch (AF)
28
P_DTP
ie)
Cross point switch data
29
P_CKP
ie}
Cross point switch clock
30
P_STP14
oO
Cross point switch latch (RD)
31
P_CKD
ie)
DTMF decoder clock
32
P_DTD
I
DTMF decoder data
33
Vss
Microprocessor ground
34
P_STD
{
OTME decoder detection
35
P_5CSW
O..
5C SW control
L
36
P_BO
I
Destination bit 0
37
P_Bi
I
Destination bit 1
38
P_B2
I
Destination bit 2
39
P_B3
I
Destination bit 3
40
P_SOE
1
EEPROM SO
4
P_CSE
(e)
EEPROM chip select
42
P_CKE
ie)
EEPROM clock
43
P_SIE
ie]
EEPROM SI
44
P_APC
ie)
APC control
45
P_PSEL
I
Packet connection check
46
P_BEEP
ie)
BEEP output
47
P_9600
OQ.
9600bps
48
P_1200
ie)
1200bps
49
P_DMONI
fe)
DTMF monitor ON/OFF
50
P_1750
ie}
1750Hz tone
51
P_RRM
oO
Repeater RD mute
H
52
P_RPT
|
Repeater alteration
53
P_NAR
{
Audio composite IC serial input enable
54
P_RST
{e)
Audio composite iC reset
55
P_VCS
ie}
Audio composite IC chip select
56
P_DTC
ie)
CTCSS data/audio composite IC data
57
P_CKG
VO
CTCSS clock/audio composite IC clock connection check
58
P_SDO
|
CTCSS detection
H
59
P_STC
O
CTCSS enable
66
P_ENVR
oO
Electronic control enable
67
P_DTVR
ie)
Electronic control data
68
Vppb
Microprocessor power
69
X2
Clock oscillator connection (4,19M)
70
x1
71
IC(VpP)
Vss
72
xT2
Open
73
XT1/P07
Vss
74
AVpb
A/D converter analog power
75
AVREF
A/D converter reference voltage
76
P_SCV
I
Squetch input (VHF)
77
P_SMV
|
S meter input (VHF)
78
P_SMU
I
S metert input (UHF)
79
P_AFMUTE
oO
AF MUTE
80
P_TCX0O
1
TGXO voltage input
21

Advertisement

Table of Contents
loading

This manual is also suitable for:

Tm-v7e

Table of Contents