Kenwood TK-7185 Service Manual Addendum page 28

TK-7185
Solder Land
Name
GND (A–) Ground
OPT1 TX sense signal output. Conv. L: TX, H: Not TX
(CH BUSY) L≤0.45V, H≥4.7V/25kΩ load
OPT3 TX control signal input. Active low.
(KEY) L≤1.0V, H≥: 4.0V, Input voltage 0V~5.0V
OPT4 PTT signal output. L: TX, H: Not TX
(PTT) L≤0.45V, H≥4.7V/25kΩ load
Emergency signal output.
OPT5 L: Emergency function is operated,
(EMERGENCY) H: Emergency function is not operated
L≤0.45V, H≥4.7V/25kΩ load
5E (A+) 5V power supply (78mA max.)
DTI Data signal input. Zin>22kΩ, 600±200mVp-p
(DATA OUT) (Standard modulation)
TCTL Speaker mute signal input. H: Unmute
(TONE CTRL) L≤0.8V, H≥4.2V, Input voltage: 0V~5.0V
AUDIH
MIC mute signal input. L: Mute
(AUDIO INHIB)
OPT2 Emergency signal input. Active low.
(AUX I/O) L≤1.0V, H≥: 4.0V, Input voltage 0V~5.0V
STON
Side tone input. 1kHz, 5Vp-p
(SIDE TONE)
to Scrambler board
GND (GND) Ground
PTT signal output. L: TX, H: Not TX
TXD1 L≤0.45V, H≥4.7V/25kΩ load
(PTT) (PTT signal input) Active low.
L≤1.0V, H≥4.0V, Input voltage: 0V~5.0V
OPT1 (CODE Scramble code signal output 1.
SELECT1) L≤0.45V, H≥4.7V/25kΩ load
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach,
CA 90801-5745, U.S.A.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
Rembrücker Str. 15, 63150 Heusenstamm, Germany
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
L'Etoile Paris Nord 2, 50 Allée des Impressionnistes,
Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex
KENWOOD House, Dwight Road, Watford, Herts.,
WD18 9EB United Kingdom
TERMINAL FUNCTION
Description
to ANI board
Name
OPT3 (CODE Scramble code signal output 2.
SELECT2) L≤0.45V, H≥4.7V/25kΩ load
OPT4 Echo PTT signal output. L: TX, H: Not TX
(ECHO PTT) L≤0.45V, H≥4.7V/25kΩ load
OPT5 (CODE Scramble code signal output 4.
SELECT8) L≤0.45V, H≥4.7V/25kΩ load
MIC signal output (AC coupled) before
TXO
pre-emphasis. Zo>2.2kΩ, 130±50mVp-p typ.
(TX OUT)
(Standard modulation)
OPT2 Scrambler control signal output.
(SCRAMBLE) L: ON, H: OFF. L≤0.45V, H≥4.7V/25kΩ load
Audio signal output (DC coupled) after
RXEO
de-emphasis. Zo>30kΩ, 1±0.3Vp-p typ.
(RX OUT)
(Standard modulation)
MIC signal input (AC coupled) before
TXI
pre-emphasis. Zin>2.2kΩ, 130±50mVp-p typ.
(TX IN)
(Standard modulation)
Audio signal input (DC coupled) after
RXEI
de-emphasis. Zin>15kΩ, 1±0.3Vp-p typ.
(RX IN)
(Standard modulation)
OPT6 (CODE Scramble code signal output 3.
SELECT4) L≤0.45V, H≥4.7V/25kΩ load
8C (+V) 8V AVR output. 8.0V typ, 100mA max.
to GPS receiver
GND (GND) Ground
RXD1*1
Data output
(DATA OUT1)
RXD2*1
Data output
(DATA OUT1)
5E (+5V) 5V
*1: Depending on the connected optional accessory, the DATA
OUT1 may connect to either RXD1 or RXD2.
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
Via G. Sirtori, 7/9 20129 Milano, Italy
Bolivia, 239-08020 Barcelona, Spain
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,
Kwai Fong, N.T., Hong Kong
1 Ang Mo Kio Street 63, Singapore 569110
Description