Icom IC-7000 Service Manual - Page 5

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SECTION 2 • TOP VIEW LOGIC UNIT MAIN UNIT INSIDE VIEWS CPU (IC1302: HD64F2377VFQ33V) TRXX 33rrdd mmiixxeerr (IC1301: TA4107F) 2RnXd2mnidxemr ixer (D801: HSB88WS-E) RF switch (Q101: 2SC4213) • BOTTOM VIEW PA UNIT 430 MHz pre amplifier (Q451: 3SK291) 144 MHz power amplifier (Q501: RD70HVF1) 430 MHz power amplifier (Q401: RD60HUF1) DRIVER BUONAITR*D* HF/50 MHz power amplifiers (Q301, Q302: RD70HHF1) 2 - 1 DDS UNIT 1st Lo DDS (IC301*: AD9951YSV) 2nd Lo amplifier (Q151*: 2SC4673) 3rd Lo DDS (IC51*: AD9833BRM) R1sXt m1sixt emrixer (IC401: SPM5001) YGR amplifier (IC1: µPC2709T) 144 MHz pre amplifier (Q551*: 3SK291) LPF circuit *Located under side of the point

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SECTION 2
INSIDE VIEWS
2 - 1
DDS UNIT
DDS UNIT
RX 1st mixer
RX 1st mixer
(IC401: SPM5001)
(IC401: SPM5001)
YGR amplifier
YGR amplifier
(IC1:
(IC1:
μ
PC2709T)
PC2709T)
2nd Lo amplifier
2nd Lo amplifier
(Q151*: 2SC4673)
(Q151*: 2SC4673)
3rd Lo DDS
3rd Lo DDS
(IC51*: AD9833BRM)
(IC51*: AD9833BRM)
1st Lo DDS
1st Lo DDS
(IC301*: AD9951YSV)
(IC301*: AD9951YSV)
MAIN UNIT
MAIN UNIT
LOGIC UNIT
LOGIC UNIT
RX 3rd mixer
RX 3rd mixer
(IC1301: TA4107F)
(IC1301: TA4107F)
RX 2nd mixer
RX 2nd mixer
(D801: HSB88WS-E)
(D801: HSB88WS-E)
RF switch
RF switch
(Q101: 2SC4213)
(Q101: 2SC4213)
CPU
CPU
(IC1302: HD64F2377VFQ33V)
(IC1302: HD64F2377VFQ33V)
DDS UNIT
1st mixer
(IC401: SPM5001)
YGR amplifier
(IC1:
μ
PC2709T)
2nd Lo amplifier
(Q151*: 2SC4673)
3rd Lo DDS
(IC51*: AD9833BRM)
1st Lo DDS
(IC301*: AD9951YSV)
MAIN UNIT
LOGIC UNIT
TX 3rd mixer
(IC1301: TA4107F)
2nd mixer
(D801: HSB88WS-E)
RF switch
(Q101: 2SC4213)
CPU
(IC1302: HD64F2377VFQ33V)
430 MHz pre amplifier
430 MHz pre amplifier
(Q451: 3SK291)
(Q451: 3SK291)
PA UNIT
PA UNIT
144 MHz power amplifier
144 MHz power amplifier
(Q501: RD70HVF1)
(Q501: RD70HVF1)
430 MHz power amplifier
430 MHz power amplifier
(Q401: RD60HUF1)
(Q401: RD60HUF1)
DRIVER BOARD*
DRIVER BOARD*
HF/50 MHz power amplifier
HF/50 MHz power amplifier
(Q301, Q302: RD70HHF1)
(Q301, Q302: RD70HHF1)
144 MHz pre amplifier
144 MHz pre amplifier
(Q551*: 3SK291)
(Q551*: 3SK291)
LPF circuit
LPF circuit
430 MHz pre amplifier
(Q451: 3SK291)
PA UNIT
144 MHz power amplifier
(Q501: RD70HVF1)
430 MHz power amplifier
(Q401: RD60HUF1)
DRIVER UNIT*
*Located under side of the point
144 MHz pre amplifier
(Q551*: 3SK291)
LPF circuit
HF/50 MHz power amplifiers
(Q301, Q302: RD70HHF1)
• TOP VIEW
• BOTTOM VIEW