2018 12:43:46 C:\Tmp\RaspTTY.sch - RxControl

Jan 5, 2018 - To internal monitoring and voice HP. RON Relay coil. TRON Relay contact. Audio PWM Module. Raspberry PI 0 HAT. PWM outputs have.
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270R

JP6

2 1

Power Supply

OK2A

R1

1

8

2

7

Raspberry PI 0 HAT

Gnd

JP5

GND

GND

2 1

+Vcc = Mark state D1

14-Tx

GND 3 2 1

15-Rx RPI0-10

3 2 1

3

5

4

1 2 3 4

RON Relay coil

2 1

Loop connected

TRON Relay contact

R5 GND

470R

TLP627-2

JP7

D5 LED

S1

580

R4

R3

270R

2.2K

3.3V

R6

17-IO Shutdown S2 Program

GND

GND

GND

1 2 3

RPI0-15 24-IO

GND

IN-LEFT 3

AudioModule

PWM outputs have be rerouted

2

IN-RIGHT

1

C1 33n

AudioModule GND AudioModule

10µ 3

33n GND

05/01/2018 12:43:46 C:\Tmp\RaspTTY.sch (Sheet: 1/1)

AudioModule OUT-LEFT+ AudioModule OUT-LEFTAudioModule

JP8 1 2 3 4

To AFSK modem To internal monitoring and voice HP

OUTR-RIGHTAudioModule OUT-RIGHT+

C5: when AFSK Modem input is not isolated Audio module not allow grounding output

24-IO Low: Loop is connected, 22-IO will select serial programs 24-IO High: Loop is connected, 22-IO will select audio programs

2 1

C2

R12 1K

R8

R10

RPI0-35

150R

270R

C3

GND 19-PWM1

Audio PWM Module

AudioModule

10µ

R7 R11 1K

RPI0-12

R9

270R 150R

18-PWM0

C4

VCC

10µ

RPI0-XX

C5

22-IO

D3

6

JP1

JP2

Activity D6

D2

OK2B

GND

RPI0-08

JP3 1N4004 D15

JP4

RPI0-06

RPI0-11

D4 LED

+5V

+5V

RPI0-04

2 1

RPI0-13 Activity output has to be rerouted

22R

TLP627-2

5V

27-IO

R2

GND