Kenwood TK-90 Service Manual page 110

A B
TX-RX UNIT(X57-7210-20)
14S(A)
13.56V 13.49V
SW
SB RATB
Q1
HN7G01FU-F(A)
12.73V 7.94V
R9
47k
0.16V
0V SW
SW
D6
Q2
DTC114EE
HVC131
L4
SB
10u
GND(B) RAT(B)
20dB ATT
D1-4
LIMITER
R3
SW
CN1 470
E04-0191-05 L6 C14 C17 D5 L11 L14
RAT
270n 0.1u 0.1u 1m 1m
SURGE ABSORPTION HVC131
C10
R:4.99V R:0V
T:0V T:0.67V
7p
C37 C40
Q4
2SD1757K 1500p 1500p
MUTE SW
7.98V
L40
8A 7.90V
10u
Q13
GND(B) DRV(B) DTA123YE
SW
C13 R10 L9
0V
SW
R:13.54V 0.01u 1k 150n
C18
CN2 T:10.41V C26 D7
E04-0191-05 L2
R2 C5 AMP
DRV 0.1u 15p LFB01
100n Q3 R:0V
6.8 1u 2SK2596-E
T:1.09V
R:0V
T:0.82V
L3
14S
47u R13
27k
R20
SB
100
8A(A) RXB
SW RXB(B) RXB(A)
D991,992 FAN1
8A 8.04V Q311 7.98V FAN2
REVERSE
HN7G01FU-F(A) ATT H:ATT ON
CURRENT SW RXB
PREVENTION PRE H:PRE ON
Q994 5.51V R22
5A
DTA114EE R995
R990 0V 7.23V 7.98V 10k BPF2
FAN 1 CN16 BPF8
E41-2077-05 10 1.8k
0V 5.01V BPF7
1 R998 10.60V
FAN+
10 0.08V
2 R311
FAN-
SW
Q995 5.51V 47k
DTA114EE
R996 SW R316
0V
Q313
1.8k DTC114EE 10k
10.58V
R997
TXB
10
CN17 R999 SW TXB(B) TXB(A)
FAN 2 E41-2077-05 T:8.01V T:7.94V
R:8.03V Q312 R:0V BPF1
1 10
FAN+ HN7G01FU-F(A) BPF3
TXB
2 BPF6
FAN- BPF5
R317
13.26V BPF4
T:7.94V 47k
R:0V
0V
SW 0V
Q992 T:7.19V
2SD1757K R:8.03V
0V
13.26V
R:8.03V
PRE
0V T:0.09V
TXB
SW
Q991 F311 RXB
C 311-315
2SD1757K 8A 0.5A R 311-319 8A
0V
SB
F53-0128-05
5A 5A
R758
47
LO1(A) LO1(B) GND(B)
L710 L713 AMP
LO1
33n 39n 6.72V
W701 Q706
C707 R710 C718 C723 C731 C739 2SC4649(N,P)
E37-1222-05
C756 R750 R757
56p 18 1000p 27p 33p 1000p
1000p 18 0
1.52V
0.87V
VCO1
VARICAP
D701 6.11V
KV1470-G
C792 L732
R767 L724
CV 120p 220n
100 2.2u
VCO2
LO2(A) LO2(B) GND(B)
LO2
W702 VARICAP
C711 L706 C715 L708 C724 L711 C732
E37-1223-05 C701 4.42V C751 6.54V D702
KV1470-G 6.69V
470n 820n 470n 2.04V C793 L733
1000p 12p 8p 12p 1000p 0.46V 1000p
C762 R768 L725
Q704 Q708 CV 180n
2SC4617(R) 2SC4617(R) 100p
100p 100 2.2u
DOUBLER DOUBLER
1.26V 1.43V
CV
P8D
L731
L34-4816-05
C791
4p
15.6M(B) R769
R780
47 18
BUFFER 6.29V
15.6MHz TCXO Q709
DOUBLER 5.98V
2SC4617(R)
L701 X701 C725 Q711
L77-1820-15 R751 2SC4617(R) L729
P5D L34-4816-05
100u C767 L719 L723
0.01u 10 3.92V R765
3.26V 1.5u 180 2.2u
0.047u 0V
0.53V
P5D
L721
C774
P8D
100u
4.7u
DDS
C775
IC702
6.97V
AD9835BRUZ 0.1u
1 16 C764 C776
FSADJUST CoMP CAR
31.2M(B) GND(B) 2 15 0.01u 1000p
4.52V 2.66V C805 C812
REFIN AVDD
3 14 R761 C782
4.10V 33p 82p
REFoUT IoUT
C704 BUFFER 56
4 13 0.01u L734 L737
Q702 DVDD AGND Q712 C789 R777
0.01u 2SC4617(R) 2SC4617(R)
5 12 820n 560n
C713 DGND PSEL0 BUFFER 2.01V 0.01u 47
3.52V
6 11
0.01u R717
0.62V MCLK PSEL1
82k 2.15V
R729 7 10
R716 C728 SCLK FSELECT
R778
10 Q703 0V 1k 8 9
0.01u 2SC4617(R) SDAT FSYNC
0
AMP R730
PCK 1k
PCK
PDA
PDA
DEN2
DEN2
FSEL
FSEL
P5D P5D L730
P5D
100u
C743 L717
4.7u 100u
DDS C744 1
IC701 FLO
AD9835BRUZ 0.1u 2
CPO
C737
1 16 C745 4.38V 3
FSADJUST CoMP GND1
2 15 0.01u 1000p 4
REFIN 2.72V
AVDD GND2
3 14 R718 C748
Q707 C803 5
REFoUT IoUT FIN
10 2SC4617(R)
4 13 0.047u BUFFER 0.047u 6
DVDD AGND C777 C780 8.4MHz FIN
5 12 CF701 7
DGND PSEL0 27p 82p 5.01V
L72-1026-05 VCC1
6 11 L720 L722
2.06V R762 C769 C795 8
MCLK PSEL1 OSCI
R712 7 820n 680n
2.20V 10 47 0.01u 0.01u
SCLK FSELECT
R701 C705 1k 8 9 R725
SDAT FSYNC PLL LMX2306TMX/NP
10 0.01u Q701 R713 1k
2SC4617(R) 0V 1k
0.62V
AMP
5A 5A
SB
ANALOG SW
0V 5.01V 4.99V IC851
TC7S66FUF
Q851 Q853 1 IN/oUT 5 5.01V R983
DTA143EE DTA143EE VCC
R854 2 4.7k
5.01V R853 3 oUT/IN 4
GND C867
4.7k 4.7k CoNT
0.01V 4.82V D854,857 4.85V 1u
VARISTOR
OP AMP
IC852
LIMITER LIMITER NJM2107F-ZB
D855 D860
1 5 4.77V
0.01V DA221 DA221 +INPUT V+
2
4.99V Q854 V-
Q852 R985 3 -INPUT 4 2.37V
DTC143EE DTC143EE
47k OUTPUT
LIMITER
R986 R872
D856
Q851-854
DA221 47k 100k
INVERTER
D858,859,861 D864
DA221
REVERSE
CURRENT DEO
PREVENTION
REVERSE
CURRENT LIMITER
PREVENTION
POLY-SW
D872
LIMITER
D862,863,865
D851,852
VARISTOR
VARISTOR
VARISTOR
GPS
KAT-1 KCT-31 KCT-39
C D
BPF(B)
RATB
RXB RXB
PRE
DX NORM Q102 R118 4.22V SW 13.48V
SW
R52 RN47A5-F 10k 13.46V Q104
HN7G01FU-F(A)
C60 L25 0 13.49V 0V
SW
220p 1m D13 12.71V
L15 L16 R37 HVC131
13.35V 6.8u 6.8u 470 0.02V 0.20V
13.36V SW 4.22V
Q5 SW
DTA123YE R100 SW
BPF1 Q101
2SK1830F D104
0V 10k
BC 1SV312-F
30K-1.605M SW SW
D14 D103 L108 L109
D9 L28 C74 HSC277 HSC277
270n 270n
2.63V
SW 1.8u 100p C124 C128
HVC131 R103 R111
D8
0.10V SW SW R35 220 220 6p 18p
Q6
HVC131 DTA123YE 33
BPF2
2.06V 14M
10.5-14.5M SW SW
L106
D15 D102 L39-1499-05
L26 HSC277 HSC277
SW C72 C105
13.35V D10 4.7u 1.03V
1SV312-F 560p 0.1u
7.78V
13.36V SW R43
Q7
DTA123YE 33 AMP PRE AMP
BPF3 SW
3.5M Q103
0V 7.92V
2.5-4.1M SW 2SC3356-A(R24) Q110
1.78V RN47A5-F
D16 R115
L30 C73 HSC277
3.3k
13.35V 2.7u 330p
SW R38
13.36V
Q8
33 PRE
BPF4 DTA123YE
7M
0V 4.1-7.5M SW TX MIXER
D17 SW
HSC277
SW L31 C75 D101 MIXER L111
L105 L113
13.35V D11 2.2u HSC277 L39-1476-05 IC101 L39-1480-05 R158
150p
1SV312-F TA4107F-F
330n 47
R41 5 4 C126
13.36V SW IF1 RF1
Q9
33 6 3 0.01u
BPF5 DTA123YE IF2 RF2 R127
10M 7 2 4.46V
0V GND VCC
7.5-10.5M SW R120 0
8 1 R119 C127
D18 Lo2 Lo1
L24 C69 HSC277
470 470p 0
13.35V 5.6u 1500p
R42
13.36V SW
Q10 33
BPF6 DTA123YE
1.8M L102
0V 1.605-2.5M SW
D19 100u
SW L29 C71 HSC277
D12
13.35V 1.2u 68p
1SV312-F TXB
SW R39
13.36V
Q11 C376 R398 L361
33
DTA123YE
BPF7 D363 REVERSE 0.1u 33 100u
21M
0V 14.5-21.5M SW REVERSE CW SW CURRENT R:0V 8.08V
CURRENT PREVENTION T:7.14V ALC(B)
D20
L27 C70 HSC277 PREVENTION R379 D366 R389 SW
Q364 ALC(A)
680n 33k 47k 2SC4617(R)
13.35V 56p 1SS400
REVERSE
R40 R:0V CURRENT
SW
13.36V T:6.66V PREVENTION
Q12 33
DTA123YE C375 R400 D371
BPF8 R:8.08V ALC
28M SW
Q362 T:8.03V 0.047u 8.2k
0V 21.5-30M R:0V 1SS400
T:8.02V RN47A5-F
D367 R399
CKY TRF-MUTE
R:0V 1SS400 1k
T:4.80V
REVERSE
CURRENT
0V PREVENTION
PRE
TXB CKY
RXB RXB
8A 8A
SB
5A
TXB
CAR
AMB AMB
D373
D372
TEMPERATURE
AMP REVERSE
COMPENSATION COMPARATOR 4.80V 7.35V CURRENT
Q365
Q363 2SK208-F(GR) PREVENTION
R365 VSF 2SC4617(R) R385 4.80V R406
VSF
22k 100 5.79V 560
0V R388 AMP
7.98V
Q366
1k 2SC4617(R)
3.27V 3.9V
1.96V
ZENER D370 2.59V
DIODE 015AZ3.9(X)F
D372
R363
-t
100 TH361 1SS400
Q361 15k
DTC114EE NCP18XW153J0S
R781
SW
220
VCO1
Q713 IC+
C811 2SK508NV(K52) R396 47k
IC-
1.09V SW C369 1u
33p C822 D704
IC361
BA10358FV IP2(A)
9p 0.03V
HSC277 R409 IP1(A)
4 5
SW 4.35V VEE +IN2
R373 3 6 FINAL 33k
Q718 R807 +IN1 -IN2
VCO1
DTC114EE 0 2 7 R407
0V 470 -IN1 oUT2
1 8 7.99V
0V oUT VCC 33k
REVERSE R408
R782 CURRENT
C364 PREVENTION R393
47k
220 OP AMP
VCO2 0.01u 330
Q714
ID- ID-
C813 2SK508NV(K52) ID+
SW ID+ IP3(A)
3.25V R362 R386 R401
27p C823 D705 D365 1SS388F R390 330 IP4(A)
VSR
33k C374 330 47k
3.25V REVERSE REVERSE
9p HSC277
CURRENT 1u CURRENT R402
0.01V PREVENTION PREVENTION ALC
SW 33k
R806 8 7 R403
Q719 VCO2 oUT3 oUT2
DTC114EE 9 6
470 -IN3 -IN2 33k
0V
0V 10 5 DRIVE R404 IC-
+IN3 +IN2
11 4 47k
VEE VCC
7.99V
R364 12 3 R410
VSF +IN4 +IN1
68k R371 13 2 47k
-IN4 -IN1 R415
100k 14 1
oUT14 oUT1 100k
IC362
REVERSE
RIPPLE FILTER 5.1V CURRENT BA10324AFV C383
7.66V 6.69V
Q717 ZENER PREVENTION OP AMP
L739 2SC4617(R) DIODE 10u16
D374
RFM
47u RFM
1SS388F
7.37V
POC
5.6V
ZENER
DIODE
R798
D362
015AZ5.6(X)F
47 R361 R380
VCO A/D R360
OUT GND
330 330
C836 1k
6.31V
1.47V 12p
L363
C832 L742 C846
C821
1000p 39n 1000p 100u
AMP
1000p
Q715 4.94V
0.77V 2SC4649(N,P) 5.6V
ZENER
DIODE
CAR(A) CAR(B)
CAR
CAR
FLASH
CN157
CV(B) CV(A) WRITE E41-1377-05
1 5V(B) 5V
R803 VCC
L738 R797 WRST 2 WRST(B) WRST
3 WCNV(B)
56 47 WCNVSS WCNV
10u 4 WTXB(B)
6.40V AMP WTXD TXD1
WRXD 5 WRXB(B) RXD1
C826 Q716 6 WCLK
WCLK WCLK
2SC4649(N,P) WBSY 7 WBSY
1000p 100k WBSY
C835 R802 R808 Vss 8 R896 WEPM
1.25V
R977 10k
1.86V 1000p 18 0
65
TTI 66
TSI
67
TTO TTI
P8D 68
TSO 69 TSI
CP858 TTO
70 TSO
100 KEY NC
16 REVERSE KEY 71 DPTT
VP DPTT 72
CURRENT AUX1 AUX1
15 5.01V PREVENTION 5V AVR CP859 73
VCC2 100 AUX2
AUX2 74 AUX3
14 LD R791 D703 7.78V IC704 5.03V REVERSE AUX3 75
FO/LD XC6201P502PR CURRENT FSL
FSL 76
13 PEN 10k P8D 3 1 PREVENTION SELADJ SELADJ
1SS400 VIN VOUT CP860 77 SELRX
LE D870 100 78
VSS SELRX SELTX
12 PDA 79
DATA 2 FEN FEN
1SS400 PSC 80 PSC
11 PCK CP853 81
CLK 47k TYPE0
82
10 R811 TYPE1
5V 83 TYPE2
CE RIPPLE FILTER 84
47k 7.79V 7.14V TYPE3
9 Q720 85
GND3 2SC5566-E Vcc2
R895 1k 86 NC
C902 1u 87
Vss
CP856 88
IC703 100 89 EEN
EDA
7.77V 90
ECK
91
92 ESI
PLL IC CTS2 CTS2
93
RTS2 RTS2
CP861 100 94
APTT 95 APTT
C896 AAMU AAMU
96
FSINT
0.1u R906 1k 97
PWS R907 1k 98 PWS AMMU
IGN IGN ADCD
EEPROM 4.91V 99
ABSY
AMMU 100
IC854 ADCD 101 ARST
AT25128A10SU27
5A ABSY 102
SB 1 8 ARST
CS VCC
2 7 CP862
So HoLD 1k
3 WP SCK 6
4 5
GND SI
5V AVR
IC853
TK11250CUCB
8.01V 4 3
VIN
CoNT 2
6 GND 1
5D
VoUT NP
FSEL FSEL
0.01V
VAO(A) VAI(A)
14V
←VGSREC
VGSPLY→
5A
8D
SB
L852
10u
4.89V
0V
VARISTOR
R880
1M
Q855
DTC114TE
INVERTER R:4.94V
T:0V
R:0V
T:4.84V
Q993
CN11 2SK1830F
E40-6357-05 INVERTER
VGS-1
FINAL UNIT
SCRAMBLER
(X45-3780-20)-CN3
E F
GND(B) LO1
RATB AGC
RXB
TP1
MCF(B) GND(B)
2.18V 1st MIXER
Q105 Q108 MCF WAVE-FORM
R128 2SK508NV(K53) ALIGNMENT
2SK508NV(K53)
220 R134 R138 1
C138
L112 10 10 2 CN4
L39-1476-05 0.1u E41-1505-05
Q105,106 Q108,109
MIXER MIXER
C139
R135 R139
SW SW
0.1u
10 10 D106 D107
R129 Q106 Q109 73.095M MCF DAN235E
L120 DAN235E L122 L124
2SK508NV(K53) 2SK508NV(K53) L34-4709-05 XF101 L34-4818-05
220 L34-4818-05 L71-0605-05 R154
2.18V
0
L115
L39-1480-05 L123
L34-4818-05
L116 L118
7.96V C144
470n 47u
1000p
R140 C146
7.23V 13.13V
SW
LO1 470 0.01u
D105
1.84V
AMP DAN235E
C151
Q107
2SK2596-E 1000p
0.87V
RXB RXB
←T73.095M
←TLO1
ALC ALC
TXB TXB
8A 8A
←10.695M IF→ ←10.695M IF→
TRF-MUTE TRF-MUTE
AGC
TXB R281
SW
SW XF251 100
L71-0433-15 D255
D254 C256 R258 6k R266 C271
HSC277 0.01u 560 560 0.01u
1SV312-F R285
R253 R257
FILT1
1k
8A SW 100 100 SW
D252 XF252 D259 L256 R275 C282 TH252
L71-0604-15 SW
2.4k D256 10u 470 0.01u -t
C267 HVC131 470
C257 R261 R264
NCP18XQ471J0S
390
0.01u 390 0.01u R272
1SV312-F
100
1SV312-F
R251 R259
FILT2
560 100 SW C281
OPTION 500Hz/2.7kHz 7.15V
SW XF253 SW 1.51V
SW L71-0614-05 0.01u
D257 AMP
D253 C258 R262 R265 C268 R302 L261 C277
oUT IN Q251
5 1
RN731V 0.01u 0 0 0.01u 470 18u 0.01u 2SC3356-A(R24)
SW
0.76V R277
Q252 0.01V
1SV312-F
15 DTC114EE
R252 R260
FILT3
560 100
2.76V 0V
RXB
8A
AGC(B) AGC(A)
AGC AGC
IF(B)
AGC TIME CONST
C430 R432
R421 1u 100 2.80V
AGCR
12k 7.85V
ANALOG SW SM(B) R451
IC422 5.01V
BU4066BCFV 3.3k
5.01V OP AMP 2.22V
C428 AMP
1 14 SCASM TH451 C451
I/O1 VDD IC423 Q451
2 13 NJM2100V-ZB
10u16 O/I1 C1 -t 0.01u 3SK317-E
5k 1.54V
3 O/I2 12 8 AoUTPUT 1
C4 V+
C429 4 11 7 2
I/O2 I/O4 A-INPUT
6 BoUTPUT
4.7u16 5 C2 10 A+INPUT 3
O/I4 B-INPUT
AGCSW R424 6 9 5 V- 4
C3 O/I3
B+INPUT 8A
1k 7 VSS I/O3 8
IFGC
C439 1u
REVERSE
R438 8.2k
CURRENT
R440 PREVENTION
R435 330
D451
33k RBK
1SS400
AGC
AMB(A)
AGCSLOW
CAR
AGCOGFF
AMB AMB AMB
5A 5A 5A
←MOD
SW
5.01V Q421
DTA114EE
AMB SCR ROUT→
R422
100
SHIFT REGISTER
IC421 5.00V
BU2099FV
11 10 OP500
Q5 Q4 C551
12 9
AMC
Q6 Q3 1u
13 8 SCC
Q7 Q2
14 7
FSKS ANALOG SW
Q8 Q1
15 6 TXEQ TXEQ IC551
FILT3 Q9 Q0
16 5 BU4066BCFV 5.01V
IEN4
FILT2 Q10 LCK R445 1 14
17 4 CLK I/O1 VDD
FILT1 Q11 CLK ←DET
18 3 DATA LPF 100 2 13 SCRTHRU
O/I1 C1
5.01V SO DATA Q423 4.76V ←SCR 3 12 SCRRI
19 2 O/I2 C4
OE NC 2SC4617(R) 11 ←DET
5A 20 1 SCR ROUT→ 4
VDD C431 R434 R437 I/O2 I/O4
VSS SCRRO 5 10 SCR RIN→
C2 O/I4
0.1u 22k 22k 3.13V 6 9
VGS_RREC→
TONE(A) C3 O/I3
7 8 ←SCRROUT
2.52V VSS I/O3
5A C441
1u
BEEP(A)
R433 R436 R446
4.7k 4.7k 0
D869
REVERSE
CURRENT
PREVENTION
←VGS_TREC
D869
5V AVR RB521S-30
14V VGSPLY→
5.00V
IC859 DET
R916 0V
XC6202P502FR
47k L855
5V 1
VoUT
100u 2 4
VSS GND
3
VIN
11.17V
4.89V
SW
C952
Q856
DTC114EE
0V 0.01u
38 D868 14V
5V RXD1
37
36 EDZ18B
RXD1 TXD1
Vcc1 35 18V ZENER DIODE
TXD2
TXD1 34 RXD2 DGND
33 14V(A)
TXD2 CLK CLK
RXD2 32 IC857 7.37V
DATA 31 DATA S-80942CNNBG9C
NC
30 CP874 3 2 R933 14V
NC 100 CD VDD
29 SIDE/EMR CP880 4.90V 82k D601,602
TONE 28
AGCSW 47k REVERSE
27 BEEP 4 1
BEEP oUT VSS CURRENT
BSFT 26 R685 PREVENTION
25 R605 C604
STPC 0
24 BOVER RESET IC 22k
BOVR 0.1u
BKC 23 BKC
22 R919 100k Q601 D601
NMI 2SC4116(Y)F
MCU 21 MA3J742
Vcc1 R603
IC855 XIN 20 C605
19 C929 1u SW
30625FGPUKBED Vss R850 X851 150
18 R918 470
XOUT 1u
RESET 17 WRST 0
16 11.0592MHz
VBSY CP875 100 VBSY L77-1950-05
15 D602
VPLY VPLY MA3J742
CNVss 14 WCNV
13
BYTE C606
12 CP876 100
VRST VRST R604
VEN 11 VEN SW 1u
10 5V
UL UL 150
VCO2 9 CP877 1k
VCO2 Q602
VCO1 8 VCO1 RESET IC 2SA1586(Y,GR)F
7 R917 5A
DEN2 DEN2
6 100 IC856
PCK DEN1 5 S-80942CNNBG9C
PEN DEN1 SW
PDA 4 PEN 3 2 4.91V
AVcc PCK CD VDD Q603
3 4.89V VOX CIRCUIT
VREF 2 CP878 PDA DTA114EE
5A R606
1 100 RST 4 1
oUT VSS 100
TC4001BFT
14
VDD
5V AVR 13
A4
IC861 SW
TK11250CUCB 12
Q604 B4
8.08V 8A 4 VIN 3 R952 11
2SC4617(R) X4
CoNT 2 10k R607
6 GND 10
8D(A) A5A 1 X3
VoUT NP 10k 9
B3
0V 8
A3
5V
14V
14V
←VGSREC
VGSPLY→ TXEQ TXEQ H:BOOST
5A 5A 5A
8D 8D 8D
SB SB SB
DET
AAI(A)
AAI(B)
BRC(A)
BRD(A)
OP AMP SW
IC863
NJM2100V-ZB Q858
DTC114EE
AAO(A) AAO(B)
4 V- 5
B+INPUT
3 A+INPUT 6
B-INPUT
R951 A-INPUT C978
2 7
BoUTPUT
470 1 AoUTPUT 8 0.1u SELADJ
V+
L857 C977
10u 1u
R962
0
FINAL UNIT
KPE-2
(X45-3780-20)-CN4
G H
LO2
MCF(B) GND(B)
AGC
RXB
GND(B) IFIN(B)
REVERSE
CURRENT
PREVENTION
C197 R199
1000p 10
2nd MIXER
SW SW
D182 D184
DAN235E MIXER DAN235E
D183 L190 R245
L188
L39-1480-05 HSB88WS L39-1480-05 18
L181
7.9V
L34-4818-05
2.22V
AMP
2.70V
Q183
C187
3SK317-E
1000p 1.55V
C234
R:1.85V
AMP BUFFER
1000p R:0V T:1.85V R:0V
T:6.71V Q182 LO2 T:4.94V Q187
R:0V
3SK317-E C209 R214 2SC4617(R)
T:1.76V 7.84V
R183 R196 C196 18
R:0V 1.38V 9p
330 R:0V
T:1.02V 0 0.01u C203 AMP
R208 T:7.0V
Q184
R243
0.01u 0 2SC3356-A(R24)
0.63V 100k
R:0V R217
T:0.02V R186
R:0V 47
T:3.91V 330 R198
SW
TRF-MUTE 22k
Q181
DTC114EE
0V
RXB RXB
ALC ALC
TXB TXB
8A 8A
←10.695M IF→ ←10.695M IF→
TGC
SSB MOD
L260 R293
10u 100 TGC(A)
7.27V
R321
100
TGC(B)
6.49V
R:0V
T:3.79V
MIXER IC R328
Q321
IC251 R:6.12V 2SC4617(R) 100
NJM2594V-ZB T:6.12V R:2.16V 3.78V 4.48V
T:2.16V BUFFER
1 8
V+ BUFFER
AMP C285 NC C297 MOD C321 3.13V Q323
R291 C289 2 oUT1 7 Q255 Q323
Q253 DIFFERENTIAL
56 3 CARRIERINPUT 6 2SC4617(R) 4.7u 1000p AMP UMX2N
2SC4617(R) 0.01u 0.01u oUT2
R:0V BYPASS C295 R:3.36V
4 GND 5 T:3.36V
T:1.82V 2.60V
SIGNALINPUT
R:0V 4.7u
T:1.20V R:0V REVERSE
CURRENT
T:7.44V
PREVENTION
L323
6.90V C327
1000p 220n
R:0V TEMPERATURE W321 1.46V
COMPENSATION E37-0884-05
T:2.20V AMP
BUFFER 1 1 C324
C286 Q322
Q254 2 2 2SC3356-A(R24)
1000p
0.1u 2SC4617(R) 0.71V
R:0V
C291
T:1.59V
0.1u
CAR 8A
5A 5A
MOD MOD
AM DET
AMP RECTIFICATION
AGC RECTIFICATION
2.85V Q453 D453
2SC4617(R) 0.06V
AGC R461 HSM88AS-E D454
R465 HSM88AS-E
AGCOFF
1k C467 C473
4.7k R482 C484
0.03V
47p 3p
GND(B) SW
270k 0.01u Q458
Q454 BUFFER
DTC114EE 2SC4617(R)
R463 4.13V Q457 7.88V C489
BUFFER AMDET
C468 2SC4617(R)
100 1u
2.83V
15p
L451 7.85V L452
C459 PIN DIODE C470
L34-4710-05 L34-4710-05 R473
2.23V 47
0.01u AMP 1000p 4.63V
C462
Q455
3SK317-E
5p
1.55V
MIXER IC
AMP
IFGC(A) IC451 4.67V 1.31V Q459 3.33V
TA4101F-F 2SC4617(R)
SCDET C490
R479 C483
8 1
C IFoUT 1u
7 2 330 4.7u
GND VCC 0.68V
R508 R:0.02V 3
6
T:8.06V B3 oSCIN
10k 5 4
B2 B1
R:0V C482
INVERTER 100p
T:4.37V
Q452 R:5.70V Q456
R459 2SK1830F DTC114EE
T:0.02V
L453 R477
0 SW
1m 47
SSB DET
CAR
AMB
5A
←MOD ←MOD
REF 2.5V REF 2.5V
←DET ←DET
DET
SCR ROUT→ SCR ROUT→
←EMTON1 ←EMTON1
VGS_PLYMONI→
EMTON2→
C553 C554
C565
1u
1u 1u
IC554
ANALOG SW ANALOG SW M62364FP-F
IC552 IC553 1 24 VOX2
4.97V VIN1 VIN8
BU4066BCFV BU4066BCFV 5.01V
2 23 VOX3
1 14 5.01V MOD2→ 1 14 VoUT1 VoUT8
I/O1 VDD I/O1 VDD 3 22 MIC3
13 ←MOD3 VoUT2 VoUT7
2 2 13 SCRTHRU
O/I1 C1 O/I1 C1 4 21 MIC2
3 12 SCRTOUT ←SCR T2 3 12 VGS_TPLY VIN2 VIN7
O/I2 C4 O/I2 C4 5 20
11 ←SCR T3 11 ←VGS_TP1 VDD GND
4 SCR T1→ 4
I/O2 I/O4 I/O2 I/O4 6 19
EMR 5 10 SCR T4→ SCRTI 5 10 VGS_TP2→ LD RESET
C2 O/I4 C2 O/I4 7 18
9 9 CLK VDAREF
ALEO 6 ALEO→ VGSTREC 6 VGS_TREC→
C3 O/I3 C3 O/I3 8 17
7 8 ←ALE AO 7 8 ←MOD2 DI D0
VSS I/O3 VSS I/O3 9 16 DI_2
VIN3 VIN6
10 15 DI_3
VoUT3 VoUT6
11 14
VoUT4 VoUT5
12 13
VIN4 VIN5
A/D
←VGS_TREC
VGSPLY→
←MOD3/SCR TOUT/ALE MOD
MAX_MOD
MOD4→ MOD4→
←DI_3
←MIC3
ANTI_1
VOX2→
ALE AI→ ALE AI→
REF 2.5V REF 2.5V
OP AMP
IC602
NJM2100V-ZB C618 R622 ←MOD1 VOX1 →
5 4
B+INPUT 0.1u 68k
V-
6 B-INPUT 3
7 A+INPUT 2
BoUTPUT SW
A-INPUT
8 V+ 1 D605 Q605
2SC4116(Y)F DI AMP
AoUTPUT MA3J742
R624
IC604
4.69V C616 NJM2100V-ZB
150
R638 5 4
1u B+INPUT
V-
10k 6 B-INPUT 3 R657 R659
A+INPUT
D606 7 2 10k 10k
MA3J742 BoUTPUT
A-INPUT
R639 8 V+ 1
C617 VOX AoUTPUT
100
R625
1u
4.69V
150
D605,606
Q606 DI
2SA1586(Y,GR)F
REVERSE
CURRENT SW
PREVENTION
R658 R660
MIC AMP
10k 10k
R616 IC605
NOR MIC
NJM2100V-ZB
IC601 1M
OP AMP R637 5 B+INPUT 4
IC603 V-
ATTENUATOR 6 3
1 BA10358FV 10k B-INPUT
A1 A+INPUT
2 D603 8 1 R629 7 BoUTPUT 2
VCC oUT A-INPUT
B1 R640 8 1
3 1SS400 7 2 1M V+
X1 oUT2 -IN1 ANTI AoUTPUT
4 6 3 R628 R633 C623 100
X2 -IN2 +IN1 R652 C639 R661
4.69V
5 5 4 10k 10k 1u
B2 +IN2 VEE 220k 0.1u 10k
6 R617
A2 R653 C640
SW
7 470k MIC/DI AMP
VSS D604 R623 R634 C624 4.7k 3300p Q608
Q607 DTC114EE
RN1701-F
10k 10k 1u
1SS400 SW
ATTENUATOR
TXEQ H:BOOST
5A
8D
SB
SW
Q859 FSK TONE
DTA114EE
DECORDER
IC865
NJM2211M
SELECTIVE CALL
1 V+ 14
TIMINGCAPACIToR2
2 13
INPUT
TIMINGCAPACIToR1
3 LoCKDETFILTER 12
TIMINGRESISToR
IC864 4 11
GND
TC7W66FK-F FREQ LooPoUTPUT
5 Q1 10
1 IN_oUT1 8 (A) (B) REFoUTPUT
6 Q2 9
2 VCC
oUT_IN1 7 7 NC 8
CoNT1 DATAoUTPUT
3 CoNT2 6 FSKINPUT
4 oUT_IN2
GND 5
IN_oUT2 GNB(B) R966 R967
470k 39k
OP AMP
I
TK-90
SCHEMATIC DIAGRAM / 原理图
TP2
1
MCF WAVE-FORM ALIGNMENT
AGC CN5
2
RXB E41-1505-05
REVERSE
CURRENT
PREVENTION
RXB
1
SW
D185
DAN235E
C228
7.70V 0.01u
2.77V
AMP
L201 C219
R223 Q185
3SK317-E
2.2u 33 2.14V
0.01u 1.48V SW
R230 D186
BLNK
150
1SS400
R:0V
R:0V
T:5.55V R:0V TH185
T:7.18V T:2.43V
NCP18XW332J0S
C217 AMP 3.3k
R:0V
Q186
330p 3SK317-E T:1.85V -t
C231
R235
R:0V
T:1.24V 1k 0.01u
ALC
TXB
←10.695M IF→
NB CIRCUIT
7.72V
L327
L34-4817-05 2
C341 R347
R353
100p 100k
7.10V L326 0
L34-4817-05
R354
7.50V 7.21V
0
R334
AMP
BUFFER
100 1.44V Q325 4.05V
Q327
6.51V 2SC4617(Q) 2SC4617(Q)
0.76V
C345
3.44V 7.70V
RECTIFICATION 0.01u
SW
D321
Q329
RB706F-40 DTA114EE
3.34V
NB(B) NB(A)
R342 0.86V 7.70V 0.01V
L325 R333
R337 1.5k R341 SW
47u 10k 10k Q326
10k
2SC4617(Q)
4.04V NBL(A)
4.92V
AMP
Q324
2SK1830F
0.89V
8A
5A
5V AVR
5A(A)
IC454
5.01V
C493 XC6201P502PR
8.08V 3 1
1u VIN VOUT
VSS
MULTIPLEXER OP AMP
IC452 IC453 2
TC7W53FK(F)
R506 NJM2100V-ZB
5 4 4 5
A GND 6.8k V- B+INPUT
6 3 3 6
A+INPUT
CH1 VEE B-INPUT
7 2 2 A-INPUT 7
CH0 INH
8 1 R497 1 BoUTPUT 8
V+
VCC CoMMoN AoUTPUT 3
10k
5.01V DET(B) DET(A) REF2.5V(A) C496 R503
1u 4.65V 100
DET
REF 2.5V
C522
ALE R524 R528 12.89V AF AMP 11.00V 0V
0.1u 22k 100k IC521
BA5415A
C523
VGS1 R525 R529
10k 56k
0.1u
C524 R526 R530 C548
BEEP
0.01u 10k 100k 1000p
C525 R527 R531
SIDE TONE
AFIN(B)
0.1u 22k 100k
R523 C521 C546 R532 R543
AF
6.8k 1u 1u 33k 0
SW
Q523
R548
2SK1830F
10k
C504 C485
R480 SCR ROUT→
2.2k
1u 1u
R:0.02V
T:0V R:0V
T:4.89V
Q460
SW 2SK1830F
0V T:0V
R:2.69V
R:0V
SW
T:4.4V
D521 Q521
2SK1830F
ABK E41-0927-05
2
1SS400 14AG
REVERSE 0V 1
CURRENT
PREVENTION
RIPPLE
13.57V 13.57V AF(B)
FILTER
14AF
Q522
2SC5566-E
13.54V
4
4.45V W551
SW E37-1225-05
REVERSE
CURRENT Q524 4
PREVENTION 0V 2SK1830F 3
2
D522
AMU R533 1
AMU
47k 0V
1SS400
←ALE MONI
VGS_PLYMONI→
L552
100u
C561 1u
A/D
IC555
M62364FP-F EXT SP
J1
R586 AF→ 1 24
VGSRREC E11-0455-05
VIN1 VIN8
470k ←AFO 2 23
VoUT1 VoUT8
←BEEPO 3 22
VoUT2 VoUT7
BEEPI→ 4 21
BEEP VIN2 VIN7
4.97V 5 20
VDD GND
6 19
IEN1 LD RESET
7 18
CLK CLK VDAREF
8 17
DATA DI D0
SIDE/EMER→ 9 16 VGSDOI
TONE VIN3 VIN6
←TONEO
10 15 VGSDOO
VoUT3 VoUT6
←EMER 11 14 VGSMONIO
VoUT4 VoUT5
VGSMONII
12 13
VIN4 VIN5
C567 1u ALE AI→
VGSMONI
5A 5A
REVERSEN CURRENT PREVENTION
D607
R672
C651
1SS400 4.7k
0.01u
BUFFER
IC606
4.85V TC7WT125FUF 5.01V
1 8 D613,614
SW G1 VCC
2 7
Q609 A1 G2 VARISTOR
0V 2SK1830F DI(B) 3 Y2 Y1 6
4 5
GND A2
C645 5
R598
0V L601
1u 15k
100u
L602
100u
C658
1000p CN236
E41-0936-05
MICG 11 ME
MIC(B) MIC 10 MIC
C659 0.01u 9 E
C646 R599 L603 8 8D
7 PSENSE
1u 15k 1u
6 RXD0
SW
5 PS
Q610
C656 1000p
2SK1830F 4 TXD0
0V C657 10u16
3 SB
0V
2 SP
0.14V
1 SPG
REVERSE
CURRENT D609,610
PREVENTION
VARISTOR
D608
D611,612
1SS400 POLY-SW
E41-0927-05
8D 2 SPG
SB 1 SP
6
113
X57-721 1/1