Frye FONIX 8000 - Chamber Board Block Diagram

Chapter 4: 19
4.3.3 Chamber Board Block Diagram
8000 Circuit Description
2010-10-27
Page 5 of 14
Chamber Board Block Diagram
CPU U1
RS232
PIO
ADC3-7
PIO
ADC0,1
PIO
ADC2
5 Output
DAC1
CPU
JTAG
Connector
J1
Turntable
Board
Connector
J11
FPI
Conn J2
SRC_AB
RS232
MIC_AB
RS232
Interface
U19
White
LED
Driver
Q4, U12
Speaker
Relay
Q2, K1
7020
Chamber
Connector
J3
Telewand
Jack J4
Tcoil &
Twand
Switches
U2, U3,
U4
Chamber
Mic
Connector
J7
24dB
Prescaler
U5A, U10A
Instrumentation
Amp U5B, U6A
6dB Prescaler and
Differential Driver
U10B, U6B
Connector
to
Breakout
Board J10
Battery
Pill Jack
J8
Impedance
Control
DigPot U7
Battery
Pill Driver
U8
Vin
Vsense
Amps
U9A, U11A
Pill Type
V Buffer
U9B
Voltage Regulators
+5V U24, +3.3 U20,
+10V U25, -10V U22,
+8V U23, -8V U21
Resistor
dividers
for +/-10V,
+/-8V,
+5V
supplies
PowStat
LED
Driver
Q1
PowStat
LED D1
To
Breakout
Board
J10