Hytera MD78X Service Manual

Interface Definition
UHF5 (806MHz
–
941MHz)
46
Pin No. Name Description
12 EXTERNAL_AUDIO Audio signal output by accessory (mobile radio)
13 SPKR1+ Speaker audio signal cable+
14 SPKR1- Speaker audio signal cable-
15 5VD Power supply
16 PRST Reset signal
17 KB_C0
Matrix keyboard
18 KB_C1
19 KB_C2
20 KB_C3
21 KB_R0
22 KB_R1
23 KB_R2
24 CSLED Backlight control IC chip select
25 CLOCK Backlight control IC clock
26 DATA Backlight control IC data
27 OE_LCD LCD read enable
28 WE_LCD LCD write enable
29 CS2_LCD LCD chip select
30 F_A1_LCD LCD register select enable
31 F_D7
LCD data bus
32 F_D6
33 F_D5
34 F_D4
35 F_D3
36 F_D2

Hytera MD78X Specifications

General

Brand	Hytera
Model	MD78X
Category	Radio
Language	English