Components description, Display unit (x54-3400-10), Tx-rx unit (x57-6570-10) – Kenwood TK-7150 User Manual
Page 20: Tk-7150
TK-7150
20
1. Display Unit (X54-3400-10)
Ref. No.
Part Name
Description
IC901
IC
Voltage regulator
IC902
IC
Voltage detector
IC904
IC
CPU
Q901
FET
MIC switch
Q902
FET
DC switch
Q903
Transistor
Current driver
Q904~908
Transistor
DC switch
Q909,910
Transistor
Inverter
Q911
Transistor
DC switch
D902~906
Diode
Surge protector
D907
Zener diode
Voltage reference
D908~911
LED
Key backlight
D912
LED
TX light
D913,914
LED
Key backlight
D915
LED
RX light
D916
Zener diode
Surge protector
D917
Varistor
Current protector
D918
Zener diode
Surge protector
2. TX-RX Unit (X57-6570-10)
Ref. No.
Part Name
Description
IC1
IC
Not used
IC2
IC
DC amplifier
IC101
IC
Voltage detector
IC102
IC
D flip-flop
IC103
IC
Voltage detector
IC104~108
IC
Voltage regulator
IC201
IC
FM IF system
IC202
IC
Multiplexer
IC501
IC
PLL
IC700
IC
Shift register
IC701
IC
CPU
IC702
IC
Shift register
IC703
IC
RS232C transceiver
IC704
IC
EEPROM
IC705
IC
Flash ROM
IC706
IC
Bus transceiver
IC707~709
IC
OR gate
IC710
IC
DSP
Ref. No.
Part Name
Description
IC711
IC
Inverter
IC712
IC
AF amplifier
IC713
IC
CODEC
IC714
IC
MIC amplifier/AGC
IC715
IC
Buffer amplifier
IC716
IC
Anti-aliasing filter
IC717
IC
Multiplexer
IC718
IC
D/A converter
IC719
IC
AF amplifier
IC720
IC
Audio power amplifier
IC721
IC
DC amplifier
IC722
IC
AF amplifier
IC723
IC
Voltage regulator
IC724
IC
Multiplexer
IC725
IC
Voltage detector
Q1,2
Transistor
RF amplifier
Q4
FET
Drive amplifier
Q5
FET
Final amplifier
Q101
Transistor
DC switch
Q102
Transistor
Switch
Q103
FET
DC switch
Q104~113
Transistor
DC switch
Q201~203
Transistor
W/N switch
Q204
Transistor
Noise amplifier
Q205
Transistor
W/N switch
Q206
Transistor
IF amplifier
Q207
Transistor
Pre IF amplifier
Q208
Transistor
RF amplifier
Q209~212
FET
Mixer
Q213
Transistor
RF amplifier
Q501
Transistor
Active filter
Q502
FET
Oscillator
Q503,504
Transistor
Active filter
Q505,506
Transistor
DC switch
Q507
FET
TX oscillator
Q508
Transistor
AVR
Q509
FET
RX oscillator
Q510
Transistor
TX/RX switch
Q511
Transistor
Ripple filter
Q512
Transistor
TX/RX switch
COMPONENTS DESCRIPTION