Inside Views - Icom IC-F70DT Service Manual

SECTION 2
• FRONT UNIT
Microphone
(MC201: EM-140)
LCD
(DS2: M4-0078TAY-2)
• MAIN UNIT
Power amplifier Power amplifier
(Q13: RD07MVS1) (Q13: RD07MVS1)
VCO circuit VCO circuit
AF volume D/A converter
(IC303: M62364FP) (IC303: M62364FP)
DSP unit DSP unit
[IC-F70DT/DS] only [IC-F70DS/DT] only

INSIDE VIEWS

TOP VIEW
AF MUTE Speaker control
Q207: DTC144EU
Q209: RSR025N03
Q208: 2SC4116
Q210: RSR025N03
Q209: RSR025N03
Q210: RSR025N03
Expanders
Expander
(IC1, IC2: M62320FP) (IC1, IC2: M62320FP)
AF muting AF mute switch
(IC205: TC4S66F)
(IC205: TC4S66F)
AF amplifier AF amplifier
(IC201: TA7368F)
(IC201: TA7368F)
TOP VIEW
ALC amplifier APC amplifier
(IC5: TA75S01F) (IC5: TA75S01F)
RF amplifier RF amplifier
(Q18: 3SK293) (Q18: 3SK293)
D/A converter D/A converter
(IC310: M62334FP) (IC310: M62334FP)
Antenna switch
(D12, D22: 1SV307)
Mixer
(IC4: SPM5001)
DTMF DECODE Decode IC
(IC300: LC73872M) (IC300: LC73872M)
EEPROM EEPROM
(IC308: HN58X24128FPI) (IC308: HN58X24128FPI)
2 - 1
BOTTOM VIEW
3.0V regulator 3.0V regulator
(IC101: S-812C30AMC-C2K)
(IC101: S-812C30AMC-C2K)
Mic switch Mic switch
(IC204: TC4S66F)
(IC204: TC4S66F)
Mic amplifier Mic amplifier
(IC203: NJM12902V)
(IC203: NJM12902V)
BOTTOM VIEW
CPU5V regulator CPU5V regulator
(IC311: TK11250CM) (IC311: TK11250CM)
YGR amplifier YGR amplifier
(Q11: 2SC5110-O) (Q11: 2SC5110-O)
PLL IC PLL IC
(IC1: LMX2352TM) (IC1: LMX2352TM)
FM IF IC IF IC
(IC3: TA31136FN) (IC3: TA31136FN)
Audio processor Audio processor
(IC301: AK2346) (IC301: AK2346)
Digital/Analog switch Digital/Analog switch
(IC302: BU4053BCFV) (IC302: BU4053BCFV)
CPU CPU
(IC307: HD64F2268TF) (IC307: HD64F2268TF)