Icom IC-M304

2 - 1
SECTION 2 INSIDE VIEWS
•
MAIN
UNIT
• LOGIC UNIT
TX POWER MODULE
(IC4: S-AV35A)
2nd IF filter
(FI3: LT450EW)
DSC DECODER
(IC3: NJM2211M)
IDC/LPF
(IC10: NJM4558M)
MIC MUTE SWITCH
(IC7: TC7W66EU)
1st IF filters
(FI1: FL-368,
FI2: FL-399A)
IF IC
(IC1: TA31136FN)
PLL IC
(IC8: uPD3140GS)
VCO
DIMMER CONTROL CIRCUIT
(Q2: KTA1664
Q3, Q4: KTC4075
)
CPU
(IC1: M37560EFGP)
EEPROM
(IC4: HN58X2464T1)
TONE BUFFER
(IC6: NJM2904M)