Kenwood TK-7180H Service Manual page 29

TK-7180H/7182H
Ref. No. Part Name
Q177 Transistor
Q178 Transistor
Q180 Transistor
Q251 Transistor
Q301 Transistor
Q302~304 Transistor
Q305 Transistor
Q306,307 FET
Q308~310 Transistor
Q311 Transistor
Q312 Transistor
Q313 Transistor
Q314 Transistor
Q402 Transistor
Q405 Transistor
Q406 FET
Q409 Transistor
Q410,411 Transistor
Q412 FET
Q413,414 FET
Q415 FET
Q416,417 FET
Q418 Transistor
Q419 Transistor
Q421 Transistor
Q701,702 Transistor
Q801 Transistor
Q802 Transistor
Q803 Transistor
Q804 Transistor
Q805 Transistor
Q806 Transistor
Q807 Transistor
Q808 Transistor
Q809 Transistor
Q810 FET
Q811 Transistor
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COMPONENTS DESCRIPTION
Description
W/N CF switch control
W/N discrete switch
W/N CF switch control
Ripple filter
PLL f-in doubler amp
PLL LPF
PLL f-in filter switch control
TX/RX VCO
TX/RX VCO switch
VCO buffer amp
Ripple filter
VCO buffer amp
PLL f-in filter switch control
Beat shift switch
AQUA control switch
AF switch (LSD)
AF mute switch
MIC AGC
AF mute switch
AF switch
AF switch (Voice)
MIC mute switch
AF mute control switch
AF mute switch
MIC mute switch
Inverter switch
Voltage regulator/ 8.5V
SB control switch
8T switch
8R switch
5R switch
8T control switch
SB control switch
8R control switch
5R control switch
SB switch
CPU reset switch
Ref. No. Part Name
Q812 Transistor
D1 Zener diode
D2~4 Diode
D6~8 Diode
D11 Variable
capacitance diode
D103~106 Variable
capacitance diode
D171,172 Diode
D173 Diode
D174 Diode
D251 Diode
D301,302 Diode
D304,305 Diode
D306~313 Variable
capacitance diode
D314 Variable
capacitance diode
D315,316 Diode
D402~404 Diode
D405,406 Zener diode
D407 Diode
D408,409 Diode
D412~414 Diode
D416 Diode
D417,418 Diode
D419,420 Diode
D421~423 Diode
D701 Zener diode
D702,703 Diode
D704~708 Diode
D709,710 Zener diode
D711~713 Diode
D714 Zener diode
D801 Surge absorber
D802 Diode
D804,805 Zener diode
Description
Ignition sense control switch
Voltage protection
ANT switch
RF detector
RF BPF tuning
RF BPF tuning
W/N CF switch
SQ noise amp detector
DET mute switch control
Reverse voltage protection
PLL f-in filter switch
PLL f-in filter switch
Frequency control for TX/RX VCO
Modulation control for TX VCO
TX/RX band switch
RTC battery control
Voltage protection
DC detector
MIC amp AGC detector
Surge protect
AF mute control
Isolator
MIC mute control
Voltage protection
Voltage protection
Voltage protection
Surge protect
Voltage protection
Surge protect
Voltage protection
Voltage protection
DC reverse connection protect
Voltage protection