Components Description; Terminal Function - Kenwood TK-361SA Service Manual

TK-361SA
TX-RX Unit (X57-6900-21)
Ref. No. Part Name
IC1 IC
IC101 IC
IC201 IC
IC301 IC
IC302 IC
IC401,402 IC
IC403 IC
IC404 IC
IC405 IC
IC406 IC
Q1 Transistor
Q2 Transistor
Q3 FET
Q4 FET
Q5 Transistor
Q6 Transistor
Q7 Transistor
Q8 Transistor
Q9,100 Transistor
Q101 FET
Q102 FET
Q103 FET
Q104 Transistor
Q105 FET
Q107 Transistor
Q108 FET
Q109 Transistor
Q203 Transistor
Q204 FET
Q205 FET
Q301 Transistor
Q302 Transistor
Q303 Transistor
Q304 Transistor
CN401
Pin No. Name I/O
1 B I
2 SB O
3 SP1 I
4 SP2 O
5 GND -
12

COMPONENTS DESCRIPTION

Description
PLL system
Comparator (APC)
FM IF system
Audio processor
AF AMP
Voltage Regulator/ 5V
Voltage detector/ Reset
Voltage detector/ Int
Micro control unit
EEPROM
Tripler
PLL IC f_in AMP
VCO/ RX
VCO/ TX
DC switch/ TX VCO
RF Buffer AMP
DC switch/ RX VCO
Ripple fi lter
RF AMP
Pre-drive AMP
TX Drive AMP
TX Final AMP
APC switch
APC switch
APC switch
APC switch
APC switch
IF AMP
Mixer
RF AMP
TX DEV adjustment
MIC AGC
DC switch/ SP Mute
DC switch

TERMINAL FUNCTION

Function
B (Battery Voltage)
Switched B
Audio input
Audio output
GND
Ref. No. Part Name
Q305 Transistor
Q306 FET
Q316 FET
Q317,318 FET
Q401 Transistor
Q402 Transistor
Q403 FET
Q404 FET
Q405 Transistor
Q407,408 FET
D1 Diode
D2 Variable Capacitance Diode Frequency control/ TX VCO
D3 Variable Capacitance Diode Frequency control/ RX VCO
D4 Variable Capacitance Diode Frequency control/ TX VCO
D5 Variable Capacitance Diode Frequency control/ RX VCO
D6,7 Variable Capacitance Diode Frequency control/ TX VCO
D8,9 Variable Capacitance Diode Frequency control/ RX VCO
D10 Variable Capacitance Diode Modulator
D11 Diode
D101 Diode
D102 Zener Diode
D103,104 Diode
D106 Diode
D122 Diode
D202 Diode
D203~206 Variable Capacitance Diode RF BPF tuning
D210 Variable Capacitance Diode RF BPF tuning
D301,302 Diode
D303 Diode
D401 Diode
D402 Diode
D403 LED
D404 LED
D405 Zener Diode
Pin No. Name I/O
6 EN1 I Channel selector pulse input
7 EN2 I Channel selector pulse input
8 GND - GND
9 EN3 I Channel selector pulse input
10 EN4 I Channel selector pulse input
11 EN5 I Channel selector pulse input
Description
DC switch/ SP Mute
SP Mute switch
SP Mute switch
Audio switch
LED switch/ Red
LED switch/ Green
5T switch
5R switch
5C switch
Beat Shift switch
Rectifi cation
Current steering
TX/RX RF switch
APC protect
ANT switch
ANT switch
ANT switch
TX/RX RF switch
Detector
Isolation
Reverse current protection
Reverse Protection
LED/ Red
LED/ Green
Limiter
Function