Kenwood TK-8102H Service Manual page 18

TK-8102H
Ref. No. Parts Name
Q31 Transistor
Q32 Transistor
Q33 Transistor
Q34 Transistor
Q35 Transistor
Q37 Transistor
Q38 Transistor
Q39 Transistor
Q41 Transistor
Q42 Transistor
Q43 FET
Q101 FET
18
DESCRIPTION OF COMPONENTS
Description
DC switch (8R)
/ Active while RX
AF mute
/ Active while MUTE2 is H
DC switch (8T)
/ Active while TX
DC switch (SB)
/ Active when power on
AF mute
/ Active while MUTE3 is H
Beat shift
/ Active while beat shift is on
Over voltage detection
/ Active while PS voltage is more than 18V
RF switch (TX/RX)
MIC mute
/ Emergency MIC mute
DC switch (SB)
/ Active when power on
AF mute
/ Active while MUTE1 is H
RF amplifier / Final amplifier
Ref. No. Parts Name
Q800 FET RF amplifier / Drive amplifier 1
Q801 FET RF amplifier / Drive amplifier 2
IC1 IC PLL synthesizer
IC3 IC D/A converter
IC4 IC Buffer amplifier / SUM amplifier
/ DC amplifier / 1/2Vcc
IC5 IC IF demodulation
IC6 IC CPU
IC7 IC EEPROM
IC9 IC DTMF decode
C10 IC Audio filter
IC11 IC Active filter (QT/DQT)
IC14 IC Voltage regulator (5C)
IC15 IC Voltage detector reset
IC17 IC Voltage regulator (5M)
IC18 IC Voltage detector INT
IC19 IC Divider (7.159MHz)
IC20 IC Voltage regulator (8C)
IC21 IC MIC amplifier / IDC
IC22 IC Splatter filter
IC101 IC AF power amplifier
IC800 IC APC control
Description