Kenwood TK-3170 E - TX-RX Unit Semiconductor Components

TK-3170
25
Pin No. Port Name I/O Function
94 BB RDF/FD I BB RDF/FD
95 TCLK/DTRDO I BB TCLK and DTRDO
96 5RC O 5R control
97 KEY1O O Key matrix output
98 KEY2O O Key matrix output
99 KEY3O O Key matrix output
100 KEY4O O Key matrix output
101~108 D7~D0 I/O Data bus 7~0
109 DT O Serial data
110 CK O Serial clock
111 AUX3 I/O Auxiliary 3
112 AUX1 I/O Auxiliary 1
113 AUX6 I/O Auxiliary 6
114 AUX2 O Auxiliary 2
115 AUX5 O Auxiliary 5
116 AUX4 I/O Auxiliary 4
117 BATTSEL I BATT select
118 THP I TX thermal input
119 VOLIN I VOL input
120 VOXIN I VOX input
121 ASQ I RX analog SQ. input
122 RSSI I RX RSSI input
123 BATTLVL I BATT level
124 AGND - DGND (Vss)
125 LSDIN I Low speed data input
126 VREF - 5V (Vref)
127 AVCC - 5V (AVcc)
128 KEY1 O Key matrix 1 input
TX-RX unit (X57-701X-XX)
Ref. No. Use / Function Operation / Condition
IC1 IC Voltage detector / INT
IC2 IC Voltage regulator / 5V
IC3 IC Voltage detector / RESET
IC4,5 IC Shift register
IC6 IC LCD driver
IC7 Microprocessor Microprocessor
IC8 IC Flash memory
IC9 IC EEPROM
IC10 IC DET amplifier / VREF
IC11 IC LSD filter
IC12 IC TX SUM amplifier
IC13 IC Audio processor
IC14 IC AF switch
IC15 IC RX HSD filter
IC16 IC D/A converter
IC17 IC TCXO buffer amplifier
IC18 IC AF amplifier
IC19 IC RX BPF tune voltage amplifier
IC501 IC PLL system
IC601 IC Comparator (APC)
IC701 IC FM IF system
Q1 Transistor 5T voltage control
Q4 (1/2) Transistor AVR / 5C
Q4 (2/2) Transistor AVR / 5T
Q5 (1/2) FET 5TC switch
Q5 (2/2) FET SAVE switch
Q6 Transistor 5C voltage control
Q7 FET TX/RX indicator conntrol
Q8 Transistor 5R control switch
Q9 Transistor 5MS control switch
Q12 Transistor Back light control
Q13 Transistor Back light DC supply
Q14 FET RX AF mute
Q15 FET SSB DC supply control switch
Q16 Transistor SSB DC supply switch
Q17 Transistor CPU clock shift switch
Q19 FET VOX level detector control switch
Q21 Transistor AF switch
Q22 FET AF mute switch
SEMICONDUCTOR DATA / COMPONENTS DESCRIPTION