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Hytera PD78XG Service Manual

Hytera PD78XG
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Service Manual Interface Definition
27
Pin No. Name Function Valid Level
46 EXT-BAT+
Power supply for accessory or
option board
/
48
50
IN-SPK-
IN-SPK+
Internal speaker /
45
47
EXT-SPK-
EXT-SPK+
External speaker ./
Table 6-1 Definition of 50-Pin Interface
J311: 30-Pin LCD Interface
Pin No. Name Function Valid Level
1, 26 / Ground (digital) /
2~17 M-D0----M-D15 LCD data /
18 /CS-LCD LCD chip select L
19 /RST-OUT Reset signal /
20 M-A1 Data and command /
21 /WE Write signal L
22 /OE Read signal L
23 IMO 16/8-bit LCD data selection /
24 3V3D Power supply: 3.3V /
25 VFLASH Power supply for IO /
27 3V6D Power supply for backlight /
28
29
30
/ Backlight control L
Table 6-2 Definition of 30-Pin LCD Interface
J821: Channel Board Interface
Pin No. Name Function Valid Level

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Hytera PD78XG Specifications

General IconGeneral
BrandHytera
ModelPD78XG
CategoryPortable Radio
LanguageEnglish

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