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Ignition Sense Input Terminal
Pin No. Name I/O Description Specification
Yellow B I Ignition Sense Input 13.6 V ± 15 %
Microphone Jack
Pin No. Name I/O Description Specification
1
BLC O Mic Backlight Control
Output Impedance: 1 kK
D+ I/O USB Serial Data Input/ Output USB 2.0
2 SB O DC Power (Switched B) Output
13.6 V ± 15 %
200 mA (Max)
3 GND - Ground Ground
4
PTT I PTT
Input Impedance: 47 kK
TXD O PC Serial Data to Radio UART TTL (0 V to 5 V)
5 ME - Mic Ground Ground
6
MIC I Mic Signal Input
Input Impedance: 600 K
VBUS I USB VBUS 5 V/ 1 mA (Typ.)
7
HOOK I Hook
Input Impedance: 1 kK
RXD I PC Serial Data to Radio UART TTL (0 V to 5 V)
D- I/O USB Serial Data Input/ Output USB 2.0
8 DM I/O Mic Data Detection High Impedance
RF Antenna Terminal
50 K impedance
GPS Antenna Terminal
50 K impedance
UNPACKING AND CHECKING EQUIPMENT
Note:
The following unpacking instructions are for use by your KENWOOD dealer, an authorized
KENWOOD service facility, or the factory.
Carefully unpack the transceiver. We recommend that you identify the items listed
below before discarding the packing material. If any items are missing or have been
damaged during shipment, file a claim with the carrier immediately.
SUPPLIED ACCESSORIES
DC power cable (with fuses) ................................................................................................ 1
15 A fuse ......................................................................................................................... 2
Mounting bracket ................................................................................................................. 1
Screw set
5 x 16 mm self-tapping screw ......................................................................................... 4
M4 x 6 mm hex-headed screw with washer .................................................................... 4
Spring washer ................................................................................................................. 4
Flat washer ..................................................................................................................... 4
Microphone (with cable)
KMC-35 (NX-5700/ NX-5800 only) ................................................................................. 1
Microphone hanger (with 4 x 16 mm self-tapping screws) ................................................... 1
User Guide ........................................................................................................................... 1
6
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  • My KCH-20R stopped playing audio from the selected channel but I can hear the secondary channel from the secondary speakers. I checked the primary speaker and it is not blown. Any suggestions?
    Submitted on 17-3-2017 at 06:35

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