Components Description; Final Unit; Control Unit - Kenwood TS-590SG Service Manual

TS-590SG
Final unit (X45-398X-XX)
Ref. No. Use / Function
IC1 Shift register
IC2,3 Inverter gate
Drain current
IC4
detection
IC5 Comparator
IC6 D-type fl ip-fl op
IC7 Shift register
IC8~10 Shift register
Q1 Pre-drive amplifi er Single amplifi er
Q2 Drive amplifi er
Q3,4 Final amplifi er
Q5 Switching
Q101 Switching
Q251,252 Amplifi er
Q253,254 Switching
Q501~Q508,
Switching
Q522
Q509,510 Switching
Q511 Switching
Q513 Switching
Q514,515 Switching
Q516 Switching
Q517,518 Switching
Q519 Switching
Q520 Switching
Q521 ,Q523,
Switching
Q524
Q525,526 Switching
Q527~544 Switching
D1,2 Attenuator
D51,52 Protection
D101 Protection
Reverse voltage
D102~110
prevention
D111 Protection
D251~253 Detection
D254 Protection
D255 Detection
D256,257 Protection
D258 Switch
D301~325 Protection
D501~503 Protection
20

COMPONENTS DESCRIPTION

Operation / Condition / Compatibility
BPF switching
PHD detection
Current detection
AMD detection
PHD detection
Q1: AT switching
Q2: ANT switching
Q4: BPF switching
Q5: FAN control
Q6: FAN control
Q8: AT control
AT control
Single amplifi er
Push-pull amplifi er
Power supply control of 14S
Over voltage detection
VSF signal amplifi er
Relay (K46) control
Filter switching depending on
band
FAN control
Power supply control of 14S
AT control
Relay (K45) control
FAN control
AT control
Relay (K44) control
FAN control
AT control
AT relay operation stops when
power is ON
AT control
RF power control
Surge protection
Reverse connection protection
Surge protection
Over voltage protection
RF power detection
Surge protection
RF power detection
Surge protection
Surge protection
Surge protection
Control unit (XC1-021X-XX)
Ref. No. Use / Function
3.3V switching
IC1
regulator
8V switching
IC2
regulator
IC3 8V AVR
IC4 3.3V AVR
IC5 5V AVR
IC6 1.25V AVR
IC61 OP amplifi er
IC62,63 OP amplifi er
IC64,65 OP amplifi er
IC66 A/D converter
IC67 AF amplifi er
IC68 Analog switch
IC69 OP amplifi er
IC70 OP amplifi er
IC71 OP amplifi er
IC72 D/A converter
IC73 OP amplifi er
IC74 OP amplifi er
IC75 D/A converter
IC76 OP amplifi er
IC77 OP amplifi er
IC78 D/A converter
IC79 OP amplifi er
IC80 Analog switch
IC81 OP amplifi er
IC82 OP amplifi er
IC83 A/D converter
IC301 DSP
IC302 Flash memory
IC304 OR gate IC
IC305 NAND gate IC
IC306 MCU
IC307 Reset IC
Operation / Condition / Compatibility
3.3V switching regulator
(Digital circuit)
8V switching regulator
(Analog circuit for TX-RX, Display
and Control unit)
8V voltage regulator
(Local unit XC1-021 B/3)
3.3V voltage regulator
(Main MCU and RS-232C circuit)
5V voltage regulator
(Analog circuit)
1.25V voltage regulator power
supply (DSP)
Isolation amplifi er for MIC signal
Active fi lter for MIC signal
Active fi lter for RIF signal
A/D converter for MIC and RIF
signal
FMOD and TIF signal ON/OFF
switch
Active fi lter for AF signal
Active fi lter for FMOD and TIF
signal
Active fi lter for FMOD, TIF and AF
signal
D/A converter for FMOD, TIF and
AF signal
Active fi lter for ANO signal
Active fi lter for VAI signal
D/A converter for ANO and VAI
signal
Active fi lter for UAI signal
Buffer for AGCV signal and refer-
ence voltage source
D/A converter for UAI and AGCV
signal
Active fi lter for AN1 signal
ANI and UAO signal switch
Active fi lter for ANI and UAO
signal
Active fi lter for VAO signal
A/D converter for ANI, UAO and
VAO signal
Digital signal
Program for DSP
FCS control
Inverter for A (23) signal
Main microcomputer
MCU reset signal