Inside Views - Icom IC-RX7 Service Manual

SECTION 2
• LOGIC UNIT
EEPROM
(IC14)
EEPROM
(IC15)
CPU
(IC17)
3V REG
(IC4)
3.2V REGULATOR
(IC3)
TONE FILTER
(IC12)
• MAIN UNIT
1ST VCO

INSIDE VIEWS

2ND VCO
2 - 1
3V line SW
(Q28)
CLONE BUFFER
(IC8)
TONE CONTROLER (AF SW)
(IC20)
REFERENCE FREQUENCY
OSCILLATOR
(X1)
DISCRIMINATOR
(X3)
3rd IF FILTER
(FI3)