TK-373G
17
Q26
Transistor
DC switch
/ Squelch
Q27
FET
DC switch
/ 5T, Save
Q28
Transistor
DC switch
/ 5M
Q30
FET
SP Mute switch
Q31
Transistor
Clock frequency shift
Q32~34
Transistor
DC switch
/ SP Mute
Q35(1/2)
FET
Mute switch
/ MIC line mute
Q35(2/2)
FET
DC switch
Q36
FET
Mute switch
Q37,38
Transistor
PLL charge pump
Q39
FET
Mute switch/DET line Mute
Q301
FET
RF amplifier
D1
Diode
Unlock detect
D2
Variable
Frequency control
capacitance diode
D3
Diode
ANT switch
D4
Variable
Frequency control
capacitance diode
D5
Diode
TX/RX switch
D6
Variable
TX modulation
capacitance diode
D7
Diode
ANT switch
D8
Zener Diode Overload protection
D9
Variable
Frequency control
capacitance diode
D10
Diode
TX/RX Switch
D11
Variable
Frequency control
capacitance diode
D12
Diode
Current steering
D13,14
Diode
RF switch (2
nd
IF wide/narrow)
D15
Diode
Reverse protection
D17
Diode
Model check
D18
LED
LED/ Red, Green
D21
Diode
Reverse protection
D22
Diode
Reverse protection
D23
Diode
Voltage clamp
D27
Diode
Discharge speed up
D28
Diode
Voltage pull up
D29
Diode
Gain control
Ref. No.
Use/Function
Operation/Condition
DESCRIPTION OF COMPONENTS