TR850 Service Manual
3.3.15. Case External Interface Definition
Extended interface (J9) of baseband is connected to accessory board by a flat gray cable, then connected
to the ACCY connector at the rear of repeater after conversion through accessory board. The ACCY
connector is as following Figure 3-24.
Figure 3-24 ACCY Interface
Terminal NO.
Terminal Name
I/O
Function
1
+13V Output
+13.8V output(Imax<1A)
2
GND
Ground
Ground
3
USB_D+
Reserved
4
USB_D-
Reserved
5
USB_VBUS
Reserved
6
USB_GND
USB Ground
7
Program_IN_1 (PTT)
External PTT Signal
input, High level
active .when connected
with Pin20, enter
transmission mode
Digital Input:
(2.5V<VIH<3.3V,0V<VIL<0.4V)
8
Ext_Spk-
External Speaker output
8 Ω /16Ω, 0.8W Max
9
External Speaker output
8 Ω /16Ω, 0.8W Max
10
ACC_MAP_ID_2
Accessory ID input Line 2
Control signal, when
connected with Pin20,
mode of analog RX
performance testing
Digital Input:
(2.5V<VIH<5V,0V<VIL<0.4V)
10
18
19
26
9
1
26
Содержание TR850
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Страница 45: ...TR850 Service Manual 5 4 Connection 1 2 3 4 6 8 7 5 9 10 13 14 15 16 18 17 11 12 41 ...
Страница 90: ...TR850 Service Manual Figure 1 Rx Module Top Board PCB View 86 ...
Страница 91: ...TR850 Service Manual Figure 2 Rx Module Bottom Board PCB View 87 ...
Страница 93: ...TR850 Service Manual Figure 5 Power Amplifier Module Bottom Board PCB View 89 ...
Страница 94: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board PCB View 90 ...
Страница 95: ...TR850 Service Manual Figure 7 Baseband Mainboard Bottom Board PCB View 91 ...
Страница 96: ...TR850 Service Manual Figure 8 Front Panel Top Board PCB View Figure 9 Front Panel Bottom Board PCB View 92 ...
Страница 97: ...TR850 Service Manual Figure 10 Power Board Top Board PCB View 93 ...
Страница 114: ...TR850 Service Manual Figure 16 Baseband Mainbaord Schematic Diagram 110 ...
Страница 169: ...TR850 Service Manual Figure 1 Rx module Top Board Position Mark Diagram 165 ...
Страница 170: ...TR850 Service Manual Figure 2 Rx Module Buttom Board Position Mark Diagram 166 ...
Страница 172: ...TR850 Service Manual Figure 5 Power Amplifier Module Buttom Position Mark Diagram 168 ...
Страница 173: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board Position Mark Diagram 169 ...
Страница 174: ...TR850 Service Manual Figure 7 Baseband Mainboard Buttom Board Position Mark Diagram 170 ...
Страница 176: ...TR850 Service Manual Figure 10 Power Board Top Board Position Mark Diagram 172 ...
Страница 193: ...TR850 Service Manual Figure 16 Baseband Mainboard Schematic Diagram 189 ...