Kenwood TK-5210 Modification Information page 7

26-pin Board to Board Connector (CN600)
No. Name I/O Connection
16 DI/ANI I
Data Out (QE-2)
17 TCONT I
Tone Ctl (QE-2)
MAN
18 O
Man-down (QE-2)
DOWN
19 INH I
Audio Inhibit (QE-2)
O
SCRAMBLE (SC20-460)
20 OPT2
O Aux I/O (QE-2)
21 TXO O
TX IN (SC20-460)
22 RXEO O
RX IN (SC20-460)
23 RXEI I
RX OUT (SC20-460)
24 TXI I
TX OUT (SC20-460)
25 C3 O
CODE SELECT 4 (SC20-460)
26 SB2 O
+V (SC20-460)
* The I/O direction is viewed from the transceiver.
MOD (K)/Ver. 1.04
Function and Specification
SCRAMBLER
DATA SIGNAL INPUT
Zin ≥ 22kΩ 600 ±200 mVp-p
-
(Standard modulation)
SPEAKER MUTE SIGNAL INPUT
"L": Unmute L ≤ 0.8 V, H ≥ 4.2 V
-
Input Voltage: 0 V to 5.0 V
Man-down output
-
"L": Active
MIC MUTE SIGNAL INPUT
-
"L": Mute
SCRAMBLER CONTROL CONTROL SIGNAL OUTPUT
SIGNAL OUTPUT "L": SLEEP
output: L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ
"L": ON "H": OFF
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
load
MIC SIGNAL OUTPUT
(AC coupled)
Before Pre-Emphasis
Zo = 4.7kΩ 0.33 Vp-p typical.
(Standard modulation)
AUDIO SIGNAL OUTPUT
(AC coupled)
After De-Emphasis
Zo ≤ 1kΩ 0.63 Vp-p typical.
(Standard modulation)
AUDIO SIGNAL INPUT (DC
coupled)
After De-Emphasis
Zin = 83kΩ 0.63 Vp-p typical.
(Standard modulation)
MIC SIGNAL INPUT (AC coupled)
Before Pre-Emphasis
Zin = 107kΩ 0.33 Vp-p typical.
(Standard modulation)
SCRAMBLE CODE SIGNAL
OUTPUT3
L ≤ 0.45 V, H ≥ 4.7 V/ 25kΩ load
Switched B output
7.5 V typical, 8 mA max
Confidential
1 TERMINAL FUNCTION
ANI VGS-1
-
-
-
-
-
- -
- -
- -
- -
- -
- -
Notes
470kΩ pull up to 5 V
Directly connected to
"Man-down
SW (CAE-3)".
The sense and
function can be
programmable.
(QE-2)
470kΩ pull up to 5 V
470kΩ pull down
7.5 V, 100 mA
maximum
3
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