Kenwood NX-3720HG Service Manual page 27

Pin No. Name I/O
44 SB1 O Switched power supply
45 SB1 O Switched power supply
46 SB1 O Switched power supply
47 SB1 O Switched power supply
48 NC - No connection
49 GND - Ground
50 GND - Ground
51 GND - Ground
52 GND - Ground
53 NC - No connection
54 SP+ I Speaker input
55 SP+ I Speaker input
56 SP+ I Speaker input
57 NC - No connection
58 GND - Ground
59 GND - Ground
60 GND - Ground
2.6.4 D-Sub 15-pin Connector Specification
Pin
Pin Name I/O Modification
No.
1 SB O No
2 IGN I No
3 SP2/PA O No
4 DETO O Yes
AFO O
5 DATAI I Yes
MI2 I
Function
Signal
Description
Type
Power Switched B Output
Digital Active High
Analog Speaker output
Analog FM detector output
RX Audio output
Analog External Modulation input Input Voltage Range
Analog External MIC AF Input
Rating and Condition
Parameter Min
Voltage This parameter depends on Battery
Voltage
Supply Current -
Input Voltage Range 0
Threshold High 6.0
Threshold Low -
Audio Output 3
Coupling Capacitor -
RL 3.0
Allowable Frequency 300.0
Output Level -
Coupling Capacitor -
Allowable Load -
Output Impedance -
Output Level -
Coupling Capacitor -
Allowable Load -
Output Impedance -
Allowable Frequency 300
-
Input Impedance -
Input Voltage Range -
Allowable Frequency 300
Input Impedance -
Typ Max Unit
- 2.0 A
- 30 V
- - V
5.0 - V
4 - W
330 - uF
- - ohm
- 3000 Hz
0.24 - Vp-p
10 - uF
600 - ohm
100 - ohm
0.6 - Vp-p
10 - uF
600 - ohm
100 - ohm
- 3000 Hz
0.5 - Vp-p
45 - kohm
5.0 - mVrms
- 3000 Hz
600 - ohm
(No.RA054<Rev.001>)1-27