Icom IC-E90 Service Manual

2 - 1
SECTION 2 INSIDE VIEWS
EEPROM
(IC2: HN58X24128FPI,
Q2: UN9115)
RESET IC
(IC142: S-80928CNMC)
Crystal oscillator for CPU clock
(X1: CR-687, 6.7584 MHz, Q40: UN9215)
CPU
(IC1: M30220MA-114RP)
AF regulator
(Q201: 2SB1201,
Q202: XP1501)
+3 regulator
(Q8: 2SB1132,
Q9: XP1501)
+3C regulator
(Q142: XP1501,
Q145: 2SB1132,
D143: MA2S111)
CPU3 regulator
(IC141: NJM2370U32)
440 MHz band modulation switch
(Q304: 2SJ364)
Microphone mute
(Q310: XP6501)
Microphone amplifier
(Q311: XP5601,
Q312: XP6501)
145 MHz band modulation switch
(Q305: 2SJ364)
50 MHz band modulation switch
(Q342: 2SJ364)
• LOGIC UNIT
Top view
• LOGIC UNIT
Bottom view

Icom IC-E90 Specifications

General

Brand	Icom
Model	IC-E90
Category	Transceiver
Language	English