Hytera MD78X Service Manual

UHF5 (806MHz
–
941MHz)
Interface Definition
45
Pin No. Name Description
16 PRGM_IN_PTT Digital input
17 Audio Ground Audio ground
18 Spkr+ Analog output
19 D- USB USB data cable-
20
GP5_8
Input/output
21 Ground Ground cable
22
GP5_7
Input/output
23 GP5_6 Digital input/output
24 AUX Audio Out
1
Analog output
25 AUX Audio Out
2
Analog output
26 Ign Sense Analog voltage input
J404 (Front Panel Interface)
Pin No. Name Description
1 INT_MIC Audio input
2 MIC_GROUND Audio input (grounding)
3 ACC_IO1 Accessory identification interface 1
4 USB_VBUS USB power supply
5 HOOK HOOK
6 PTT PTT
7 USB_D- USB data cable D-
8 USB_D+ USB data cable D+
9 ACC_IO2 Accessory identification interface 2
10 UART2_RXD_A Volume control port
11 UART2_TXD_B /

Hytera MD78X Specifications

General

Brand	Hytera
Model	MD78X
Category	Radio
Language	English