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SECTION 2
INSIDE VIEWS
• FRONT UNIT
Speaker control
Q207: DTC144EU
Q208: 2SC4116
Q209: RSR025N03
Q210: RSR025N03
AF muting
(IC205: TC4S66F)
AF amplifier
(IC201: TA7368F)
Expander
(IC1, IC2: M62320FP)
3.0V regulator
(IC101: S-812C30AMC-C2K)
Mic switch
(IC204: TC4S66F)
Mic amplifier
(IC203: NJM12902V)
AF MUTE
Q209: RSR025N03
Q210: RSR025N03
AF mute switch
(IC205: TC4S66F)
AF amplifier
(IC201: TA7368F)
Expanders
(IC1, IC2: M62320FP)
3.0V regulator
(IC101: S-812C30AMC-C2K)
Mic switch
(IC204: TC4S66F)
Mic amplifier
(IC203: NJM12902V)
Microphone
(MC201: EM-140)
LCD
(DS2: M4-0078TAY-2)
TOP VIEW
BOTTOM VIEW
• MAIN UNIT
Power amplifier
(Q13: RD07MVS1)
APC amplifier
(IC5: TA75S01F)
RF amplifier
(Q18: 3SK293)
D/A converter
(IC310: M62334FP)
VCO circuit
D/A converter
(IC303: M62364FP)
DSP unit
[IC-F70DS/DT] only
Power amplifier
(Q13: RD07MVS1)
ALC amplifier
(IC5: TA75S01F)
RF amplifier
(Q18: 3SK293)
D/A converter
(IC310: M62334FP)
VCO circuit
AF volume
(IC303: M62364FP)
DSP unit
[IC-F70DT/DS] only
TOP VIEW
BOTTOM VIEW
CPU5V regulator
(IC311: TK11250CM)
YGR amplifier
(Q11: 2SC5110-O)
PLL IC
(IC1: LMX2352TM)
IF IC
(IC3: TA31136FN)
Audio processor
(IC301: AK2346)
Digital/Analog switch
(IC302: BU4053BCFV)
CPU
(IC307: HD64F2268TF)
Decode IC
(IC300: LC73872M)
EEPROM
(IC308: HN58X24128FPI)
Antenna switch
(D12, D22: 1SV307)
CPU5V regulator
(IC311: TK11250CM)
YGR amplifier
(Q11: 2SC5110-O)
PLL IC
(IC1: LMX2352TM)
FM IF IC
(IC3: TA31136FN)
Audio processor
(IC301: AK2346)
Digital/Analog switch
(IC302: BU4053BCFV)
CPU
(IC307: HD64F2268TF)
Mixer
(IC4: SPM5001)
DTMF DECODE
(IC300: LC73872M)
EEPROM
(IC308: HN58X24128FPI)
2 - 1
Summary of Contents for IC-F70DT
Page 1: ...SERVICE MANUAL VHF TRANSCEIVER...
Page 42: ...S 14124HZ C1 2005 Icom Inc...