Kenwood TK-7162 E - COMPONENTS DESCRIPTION

TK-7160/7162
17
Display Unit (X54-3510-10) : TK-7160
Display Unit (X54-3522-70) : TK-7162
Ref. No. Parts name Description
IC1 IC LCD controller
Q1 Transistor Dimmer function switch
(TK-7160 only)
Q2 Transistor LCD backlit switch
Q3 Transistor KEY backlit switch
Q4 Transistor DC switch
Q7,8 Transistor DC switch
D1~6 Diode Key backlit
D7~18 Diode LCD backlit
(D13~18 : TK-7160 only)
D20 Diode Surge absorption
D21 Diode DC controller
D22 Diode TX/RX LED
TX-RX Unit (X57-7102-70)
Ref. No. Parts name Description
IC41 IC Voltage regulator / 8V
IC42,43 IC Voltage regulator / 5V
IC44 IC Voltage detector / Reset
IC45 IC Voltage detector / Int
IC81 IC EEPROM
IC101 IC Microprocessor
IC201 IC Digital potentiometer
IC211 IC MIC AMP
IC213 IC Quad analog switch
IC214,215 IC Dual ground sense op-amplifier
IC241 IC Audio processor
IC281 IC Audio amplifier
IC321 IC FM IF system
IC401 IC PLL system
IC402 IC VCO 1/2 divider
IC502 IIC RF power module
IC651 IC Comparator (APC)
Q31 FET DC switch (SB)
Q42 Transistor DC switch (SB)
Q43,44 Transistor DC switch (8R)
Q45,46 Transistor DC switch (8T)
Q81 Transistor Over voltage detection
Q82,83 Transistor Beat shift
Q84 Transistor Ignition
Q201 Transistor TX AF (DETO)
Q211 Transistor AGC/MIC mute
Ref. No. Parts name Description
Q212 FET Emergency MIC
Q213 FET MIC mute
Q241 Transistor W/N switch / TX
Q242,243 Transistor AQUA beat shift
Q281 Digital transistor AF mute
Q282 Transistor AF mute
Q301 Transistor SQL amplifier
Q341 Transistor Buffer amplifier
Q351 Transistor IF amplifier
Q352 FET Mixer
Q353 FET RF amplifier
Q421,422 Transistor Charge pump
Q431 Transistor RF amplifier
Q441 FET RX VCO
Q442 FET T/R switch
Q443 Transistor T/R switch
Q444 FET TX VCO
Q445 Transistor Ripple filter
Q446 Transistor Buffer amplifier
Q447 Transistor RF amplifier
Q501 Transistor RF amplifier
Q502 FET Pre drive amplifier
D1~11 Diode Surge absorption
D41 Diode Reverse connection protection
D42 Poly SW Current protection
D81,82 Diode Over voltage detection
D211 Diode AGC
D212 Diode OR gate
D301 Diode Rectification
D331,332 Diode IF switch (Wide/Narrow)
D351~354 Varicap RF BPF tuning
D401 Diode Ripple filter
D421 Diode Voltage dropped
D441,442 Varicap RX VCO
D443,444 Varicap TX VCO
D445 Diode Modulation
D446 Diode Ripple filter
D447,448 Diode RF switch (TX/RX)
D501 Diode Temperature compensation
D503 Diode Voltage protection
D602,603 Diode ANT switch
D606 Diode APC voltage detect
D608 Diode APC voltage detect
D609,610 Diode Temperature compensation
COMPONENTS DESCRIPTION