Kenwood TK-7102 Manual Do Utilizador
16
TK-7102
DESCRIPTION OF COMPONENTS
Display Unit (X54-3340-20)
SYMBOL
PARTS NAME
DISCRIPTION
D1~4
LED
KEY BACKLIT
D5
LED
MONITOR KEY LIGHT
D6
LED
PROGRAMMABLE KEY LIGHT
D7~10
LED
CHANNEL KEY LIGHT
D11
LED
BUSY
D12
LED
TRANSMIT
Q1
TRANSISTOR
MONITOR KEY LIGHT SW
Q2,3
TRANSISTOR
CHANNEL KEY LIGHT SW
Q4
TRANSISTOR
BUSY LIGHT SW
Q5
TRANSISTOR
PROGRAMMABLE KEY LIGHT SW
Q6,7
TRANSISTOR
CHANNEL KEY LIGHT SW
Q8
TRANSISTOR
TRANSMIT LIGHT SW
Q9,10
TRANSISTOR
KEY BACKLIT SW
TX-RX Unit (X57-6290-20)
Ref. No.
Use/Function
Operation/Condition
D1
DIODE
SURGE ABSORPTION
/PTT
D2
DIODE
SURGE ABSORPTION
/HOOK
D3
DIODE
SURGE ABSORPTION
/MICBL
D4
DIODE
SURGE ABSORPTION
/CM
D6
DIODE
DC SWITCH
D7
DIODE
VOTAGE DROPPED
D9
VARICAP
RX VCO
D10
VARICAP
TX VCO
D11
VARICAP
RX VCO
D12
VARICAP
TX VCO
D13
DIODE
IF SWITCH (WIDE/NARROW)
D14
VARICAP
MODULATION
D15
DIODE
IF SWITCH (WIDE/NARROW)
D16
DIODE
LIPPLE FILTER
D18
DIODE
RECTIFICATION
D19
DIODE
RF SWITCH(TX/RX)
D20
DIODE
TEMPERATURE COMPENSATION
D21
VARICAP
RF BPF TUNING
D22
VARICAP
RF BPF TUNING
D23
DIODE
TEMPERATURE COMPENSATION
D24
DIODE
LIMITTER
D25
VARICAP
RF BPF TUNING
D26
VARICAP
RF BPF TUNING
D27
DIODE
TEMPERATURE COMPENSATION
D30
DIODE
ANT SW
D31
DIODE
ANT SW
Ref. No.
Use/Function
Operation/Condition
D34
DIODE
APC VOLTAGE DETECT
D36
DIODE
APC VOLTAGE DETECT
D38
DIODE
REVERSE CONNECT PROTECTION
D39
DIODE
OVER VOLTAGE DETECTION
D41
POLY SW
CURRENT PROTECTION
D43
DIODE
OR GATE /Mic Mute, AGC
D44
DIODE
AGC
Q2
FET
Emergency Mic mute
/Active while MICEM is H
Q3
TRANSISTOR
RF AMP /PLL Fin
Q4
TRANSISTOR
CHARGE PUMP
Q5
TRANSISTOR
CHARGE PUMP
Q6
TRANSISTOR
BUFFER AMP
/16.8MHz 3rd over tone
Q7
FET
T/R SW
Q10
FET
RX VCO
Q11
FET
TX VCO
Q12
TRANSISTOR
T/R SW
Q13
TRANSISTOR
BEAT SHIFT
/Active while Beat shift is on
Q14
TRANSISTOR
LIPPLE FILTER
Q15
TRANSISTOR
BUFFER AMP
/Output of VCO
Q16
TRANSISTOR
IGNITION
/Ignition Sens.
Q18
TRANSISTOR
SQL AMP
Q19
TRANSISTOR
IF AMP
Q20
TRANSISTOR
RF AMP
/Output of VCO
Q21
FET
MIXER
Q22
FET
AF MUTE
/Active while Mute1 is H
Q23
TRANSISTOR
RF AMP
/Drive stage
Q24
TRANSISTOR
BUFFER AMP
/RX Audio
Q25
TRANSISTOR
RF AMP
/Drive stage
Q26
FET
RF AMP
/LNA
Q27
TRANSISTOR
APC CONTROLLER
Q29
TRANSISTOR
DC SWITCH(8R)
/Active while RX
Q30
TRANSISTOR
DC SWITCH(8T)
/Active while TX
Q31
TRANSISTOR
DC SWITCH(8R)
/Active while RX
Q32
TRANSISTOR
AF MUTE
/Active while Mute2 is H
Q33
TRANSISTOR
DC SWITCH(8T)
/Active while TX