Components Description - Kenwood TK-7180 Service Manual
Kenwood vhf fm transceiver service manual
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Also See for TK-7180:
- Instruction manual (196 pages) ,
- Service manual (91 pages) ,
- Manual de instrucciones (32 pages)
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TK-7180
Display unit (X54-3480-10)
Ref. No.
Part Name
IC901
IC
IC902
IC
IC903
IC
Q901,902
Transistor
Q904
Transistor
Q905
Transistor
Q906
Transistor
Q907
Transistor
Q909
Transistor
Q910
Transistor
Q911
Transistor
Q913
Transistor
D901,902
Zener diode
D903
Varistor
D904~906
Diode
D907
LED
D909~920
LED
D921~930
LED
TX-RX unit (X57-6980-10)
Ref. No.
Part Name
IC1
IC
IC71,72
IC
IC171
IC
IC172
IC
IC251
IC
IC301
IC
IC302
IC
IC401
IC
IC402
IC
IC403
IC
IC404
IC
IC405
IC
IC406
IC
IC407
IC
IC408
IC
IC409
IC
IC410
IC
22
COMPONENTS DESCRIPTION
Description
Voltage regulator/ 5V
Microprocessor
LCD driver
HOOK switch
TX indication LED switch
BUSY indication LED switch
Dimmer switch control
Dimmer switch
Backlight control switch
8C switch
8C switch control
Backlight control
Voltage protection
Current limitter
Surge protection
TX/Busy indication
LCD backlight
KEY backlight
Description
Power module
DC amp for TX APC
RX 1st mixer
FM IF system IC
DC-DC converter
PLL system IC
PLL CP switch
EEPROM
RTC processor
Shift register
Microprocessor
Flash memory
HSD BPF/HSD compalator
DET amp/Data LPF (DB-25)
LSD buffer amp/VCXO bias amp
LSD LPF/Voltage DC-reference
D/A converter
Ref. No.
Part Name
IC411
IC
IC412
IC
IC413
IC
IC414
IC
IC415
IC
IC416
IC
IC417
IC
IC801
IC
IC802
IC
IC803
IC
IC804,805
IC
IC807
IC
Q1
Transistor
Q2
Transistor
Q3
Transistor
Q72
FET
Q73
Transistor
Q103
Transistor
Q171,172
Transistor
Q173,174
Transistor
Q175
Transistor
Q176
FET
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
Q403
FET
Q405
Transistor
Q406
FET
Q409
Transistor
Description
RF BPF tuning voltage DC amp
Modulation LPF/DET amp
AF switch IC
MIC amp
AQUA-L
Level converter IC (RS-232C)
Audio IC
Voltage detector (CPU reset)
Voltage detector (INT)
Voltage regulator/ 8V
Voltage regulator/ 5V
Voltage regulator/ 5V
TX pre-driver
TX driver
TX gate switch
High/Low power switch
High/Low power switch
Front-end LNA
IF amp
W/N CF switch control
Noise amp
DET mute switch
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
AF switch (Voice)
AQUA control switch
AF switch (LSD)
AF mute switch
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