Kenwood TS-590S, Service Manual

Page: 20 / 162

TS-590S
20
Final unit (X45-391X-XX)
Ref. No. Use / Function Operation / Condition / Compatibility
IC1 Shift register BPF switching
IC2,3 OP amplifi er VSF detection
IC4
Drain current
detection
Current detection
IC5,6 OP amplifi er VSF detection
IC7 Shift register
Q1: AT switching
Q2: ANT switching
Q4: BPF switching
Q5: FAN control
Q6: FAN control
Q8: AT control
IC8~10 Shift register AT control
Q1,2 Pre-drive amplifi er HF band amplifi er
Q3,4 Drive amplifi er HF band push-pull amplifi er
Q5 Switching Power supply control of 14S
Q101 Switching Over voltage detection
Q251,252 Amplifi er VSF signal amplifi er
Q253,254 Switching Relay (K46) control
Q501~508 Switching
Filter switching depending on
band
Q509,510 Switching FAN control
Q511 Switching Power supply control of 14S
Q513 Switching AT control
Q514,515 Switching Relay (K45) control
Q516 Switching FAN control
Q517,518 Switching AT control
Q519 Switching Relay (K44) control
Q520 Switching FAN control
Q521~524 Switching AT control
Q525,526 Switching
AT relay operation stops when
power is ON
Q527~544 Switching AT control
D1,2 Attenuator RF power control
D51,52 Protection Surge protection
D101 Protection Reverse connection protection
D102~110
Reverse voltage
prevention
Surge protection
D111 Protection Over voltage protection
D251~253 Detection RF power control
D254 Protection Surge protection
D255 Detection RF power control
D256,257 Protection Surge protection
D258 Switch
D301~325 Protection Surge protection
D501~503 Protection Surge protection
Control unit (X53-446X-XX)
Ref. No. Use / Function Operation / Condition / Compatibility
IC1
3.3V switching
regulator 3.3V switching regulator
(Digital circuit)
IC2
8V switching
regulator
8V switching regulator
(Analog circuit for TX-RX, Display
and Control unit)
IC3 8V AVR
8V voltage regulator
(Local unit X53 B/3)
IC4 3.3V AVR
3.3V voltage regulator
(Main MCU and RS-232C circuit)
IC5 5V AVR
5V voltage regulator
(Analog circuit)
IC6 1.25V AVR
1.25V voltage regulator power
supply (DSP)
IC61 OP amplifi er Isolation amplifi er for MIC signal
IC62,63 OP amplifi er Active fi lter for MIC signal
IC64,65 OP amplifi er Active fi lter for RIF signal
IC66 A/D converter
A/D converter for MIC and RIF
signal
IC67 AF amplifi er
IC68 Analog switch
FMOD and TIF signal ON/OFF
switch
IC69 OP amplifi er Active fi lter for AF signal
IC70 OP amplifi er
Active fi lter for FMOD and TIF
signal
IC71 OP amplifi er
Active fi lter for FMOD, TIF and
AF signal
IC72 D/A converter
D/A converter for FMOD, TIF and
AF signal
IC73 OP amplifi er Active fi lter for ANO signal
IC74 OP amplifi er Active fi lter for VAI signal
IC75 D/A converter
D/A converter for ANO and VAI
signal
IC76 OP amplifi er Active fi lter for UAI signal
IC77 OP amplifi er
Buffer for AGCV signal and refer-
ence voltage source
IC78 D/A converter
D/A converter for UAI and AGCV
signal
IC79 OP amplifi er Active fi lter for AN1 signal
IC80 Analog switch ANI and UAO signal switch
IC81 OP amplifi er
Active fi lter for ANI and UAO
signal
IC82 OP amplifi er Active fi lter for VAO signal
IC83 A/D converter
A/D converter for ANI, UAO and
VAO signal
IC301 DSP Digital signal
IC302 Flash memory Program for DSP
IC304 OR gate IC FCS control
IC305 NAND gate IC Inverter for A (23) signal
IC306 MCU Main microcomputer
IC307 Reset IC MCU reset signal
COMPONENTS DESCRIPTION