EFJohnson 7780 Two-Way Radio User Manual


 
November 1999
Part No. 001-7780-500
R8
C2
R9
C4
C5
C7
HR2
C6
HR3
R3
R18
HR1
R7
Q2
Q4
Q1
Q3
1
29
J1
IC1
GND
GND
SPE
SPE
SP
SP
L5V
DISSO
DISSK
DISST
DISEN
KEYS0
KEYS1
KEYS2
KEYS3
KEYR0
KEYR1
KEYR2
KEYR3
TXLED
BSYLED
BATLED
BKLED
GND
MICE
MIC
GND
GND
GND
C1
R2
R13 R11
R14
R12
R16
R15
R1
C3
R17
DS3
DS4
DS5
DS1
DS2
J2
1
2
19
20
DS6
Tx LED
Busy LED Batt LED
GND
KEYR3
KEYR2
KEYR1
KEYR0
KEYS3
KEYS2
KEYS1
KEYS0
GND
MIC
MICE
GND
GND
BKLED
L5V
GND
GND
SP
SPE
DS7
DS8
DISPLAY BOARD TOP VIEWDISPLAY BOARD BOTTOM VIEW
8-8