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SECTION 2
INSIDE VIEWS
2 - 1
CPU
CPU
(IC4: M30220FCRP)
(IC4: M30220FCRP)
PTT detector
PTT detector
(Q14: 2SA1832)
(Q14: 2SA1832)
D/A convertor
D/A convertor
(IC13: BH2220FVM)
(IC13: BH2220FVM)
Reference
Reference
frequency generator
frequency generator
(X1: CR-813 7.325MHz)
(X1: CR-813 7.325MHz)
Reset IC
Reset IC
(IC2: R3112N291A)
(IC2: R3112N291A)
CPU
(IC4: M30220FCRP)
PTT detector
(Q14: 2SA1832)
D/A convertor
(IC13: BH2220FVM)
CTCSS filter
(IC5: LM2904PWR)
Microphone amplifier
(IC8: LMV324IPW)
Reference
frequency oscillator
(X1: CR-813 7.325 MHz)
Reset IC
(IC2: R3112N291A)
Antenna switch circuit
Antenna switch circuit
+3V regulator
+3V regulator
(IC10: R1111N321B)
(IC10: R1111N321B)
PLL IC
PLL IC
(IC18: ADF4110BCPZ)
(IC18: ADF4110BCPZ)
VCO board
VCO board
AF volume
AF volume
(IC7: SM6451B)
(IC7: SM6451B)
AF amplifier
AF amplifier
(IC9: NJM2070M)
(IC9: NJM2070M)
IF IC
IF IC
(IC15: TA31136FNG)
(IC15: TA31136FNG)
1st mixer
1st mixer
(IC16:
(IC16:
µ
PC2757TB)
PC2757TB)
Antenna switching circuit
+3V regulator
(IC10: R1111N321B)
PLL IC*
(IC18: ADF4110BCPZ)
VCO board
* Located under the VCO board
AF volume*
(IC7: SM6451B)
AF power amplifier
(IC9: NJM2070M)
FM IF IC
(IC15: TA31136FNG)
1st mixer
(IC16:
µ
PC2757TB)
• MAIN UNIT (TOP VIEW)
• MAIN UNIT (BOTTOM VIEW)
• PA BOARD
Final amplifier*
Final amplifier*
(Q3: RQA003)
(Q3: RQA003)
Drive amplifier
Drive amplifier
(Q2: 2SC5998)
(Q2: 2SC5998)
Pre drive amplifier
Pre drive amplifier
(Q1: 2SC5006)
(Q1: 2SC5006)
Power amplifier*
(Q3: RQA003)
Drive amplifier
(Q2: 2SC5998)
Pre-drive amplifier
(Q1: 2SC5006)
* Located bottom side of the point.