Kenwood TK-2180 Service Manual page 65

TX-RX UNIT(X57-6932-71)
7.5V
L400 F400 SB2 SW 2SA1955(A) Q403 R:7.48V
BATT T:7.46V C433 5T 5T
F53-0324-05
R:6.80V 470p 5C 5C
REVERSE T:6.78V VOLTAGE DETECTOR / RESET
PROTECTION 5M
BATT IC405 RESET 5RC 5RC RESET
R:4.96V SBC SW R:0V S-80942CNNBG9C PSW PSW
T:5.07V Q402 T:0.13V INT INT
R400 2SK1830 5M
S C516
0 C447
0.01u
4700p
S DETECTOR
S_DET S_DET IC505 R:0V
TC7W53FK T:0.13V
VOLTAGE REGULATOR / 5V
VOLTAGE REGULATOR / 5V IC406 IC403
TK11250CUCB XC6204B502MR 5C
4 VIN CoNT 3 R:4.91V 1 VIN VoUT 5
2 T:5.02V 2
5A GND VSS AUX OFF:4.95V ON:0V
5 1 3 NC 4
R:4.76V R:5.00V VoUT NP CE
T:0.13V T:5.11V AUX_Key CPU_DGND
CN400 CPU_VCC
2SJ347 Q409 S400 ORG
E40-6452-05 2SJ347 Q405 5T SW R:4.91V
10 5M Q406 R:5.00V IC404 T:5.02V R:0V
VOL 5R SW 2SA1955(A) T:4.35V TC75S51FE SAVE SW T:0.13V
9 R421 4 oUT IN- 3
8 DGND 5T CONTROL CP511
EN1 R:0V 1k 2 D408 330*2
7 T:5.08V 5 VSS 1 R:4.94V R:4.97V RD
6 EN2 VDD IN+ T:0.13V MA2S111 T:0.13V WR
Q404 R427 R504 0
5 DGND DTC144EE 47k
4 EN4 EN1 5R SW 5T CONTROL
EN2 R:0V 5T
3 EN3 EN3 EN4 5R T:5.07V
2 +B 65
INT R728 1k 66 BTSE/VOX
SB1 67 LCDRST
1 IC401 R:0V LCDCS
VR/SW:R31-0617-05 VOLTAGE REGULATOR / 5V TK11250CUCB POWER SW T:0V L502 CSO 68 CS0
CH_SW:S60-0415-05 Q401 A[18] CP500 69 A19
4 3 SSM3K15TE 1k*2 70
VIN CoNT 2 R:4.82V R407 A[17] A[16] 71 A18
GND T:4.88V CP501 72 A17
5 1 680k A[15] 1k*2 A16
VoUT NP VOLTAGE REGULATOR / 5V R:5.0V R:4.98V A[14] 73 A15
LG LR T:5.12V T:5.09V CP502 1k*2 74 A14
IC402 A[13] 75 A13
5M PROTECTOR XC6204B502MR 5M Q408 A[12] CP503 76
5CNS D405 1 5 2SA1955(A) 1k*2 77 A12
LED VIN VoUT A[11] 78 A11 SHIFT/MODEL
RED & GREEN RB521S-30 2 VSS R724 A[10] CP504 A10
D400 R415 3 4 1k 1k*2 79 A9
B30-2278-05 D404 CE NC 5M SW LD R725 A[9] A[8] 80 UL
R:4.79V BATT 15k R:4.29V PLE CP505 81
T:5.09V LEVEL C414 R:7.49V T:4.40V 330 1k*2 82 PLE
CONTROL T:7.47V R:7.48V PCK R506 83 PCK MICROPROCESSOR
470p D406 T:7.40V R726 330 BB_SFT IC502
R:0V R:6.06V 0 84 OPT6 30625MGP169GU
T:5.95V T:0.17V MA2S111 R405 2SK1830 Q407 85 VCC2
C505 86
LED SW / R:3.67V 100k 1u 87 A8
GREEN or RED T:3.72V R:4.50V A[7] CP506 88 DGND
Q400 D403 T:4.57V 5M SW A[6] 1k*2 89 A7
UMG9N D406 1SS301 R417 A6
5M CONTROL POWER SW 680k A[5] CP507 90 A5
IC400 CONTROL A[4] 1k*2 91 A4 RTDT/EEPDAT
IC400 CP508 92
XC61CC5602NR VOLTAGE DETECTOR / INT A[3] 1k*2 93 A3 MAN-DN IN
A[2] 94 A2
CP509 A1 RTCL/EEPCL
A[1] 1k*2 95 A0
A[0] 96 PTT
C500 R812 R:4.98V C502 R813 L501 CPU_VCC CPU_VCC R505 97 AFRTM
CN500 T:5.08V C503 98
E40-6413-05 10u16 0 10u16 0 1u SAVE SAVE 47k 99 TCLK/DTRDO
1 SAVE
5M 2 100 T/R
LCDRST 101 AM1
3 R525 102 LCDRS
LCDCS 1k
DGND 4
5
6
SB2 7 FLASH MEMORY
IC500
8 AT29C040A-90TU
KI2 9
KI1
10
DATA CPU_DGND CPU_DGND
CLK 11
12
SPSTB
13 R771
PTT 14 1k
MIC
15
ME
AGND 16 PTT PTT
17 LCDRS 5TC 5TC
LCDRS DT DT DT LCDRS
18 MIC MIC MIC
19 5M_CHARG 5M_CHARG
5CNS BATT_LEVEL BATT_LEVEL 5CNS 5CNS BATT_LEVEL
20 5R 5R 5R
SBC SBC SBC
B B B
LEDR VOL LEDR VOL LEDR VOL
LEDG LEDG LEDG
KI2 KI2 KI2
KI1 KI1 KI1
SPSTB CLK SPSTB CLK SPSTB CLK
5T 5T 5T 5T
APCSW DSW DSW APCSW APCSW DSW APCSW DSW
5C 5C 5C 5C
TV TV
RXAFI(25) RXAFI(25)
MMUTE MMUTE MMUTE MMUTE
R:7.49V INT SW
T:7.48V Q502 DETECTOR
SSM3K15TE
R:0V VOX VOX R674 D603 VOX
T:0.13V 0 RB706F-40
C734
22p
C757 R601 C601
4700p 390k 22p
R600 R635 MIC AMP / VOX
LSW 680k 4.7k
TC75W51FK IC608
AF BUFFER TUNE R636
IC600 IC603 HSD BPF / HSD COMP 4.7k 1 8
CP517 D600 TC75W51FK TC75W51FK C615 TUNE IC604 C625 2 8
1k*2 DTRLOAD RB706F-40 100p TC75W51FK 7
CP521 STD 1 8 8 R613 1 8 8 0.1u 3 6
1k*2 TDATA(10) AF BUFFER 2 7 100k 2 7 R616 R623 1 8
R513 1k DI/O CONTROL 8 7 4 4 5
DIR(14) 3 6 3 6 100k 100k 2
C602 4 5 4 5 3 6 R637 C627
R758 47k 4 4 3.3k
R510 0.1u 4 4 5 0.01u C675 C678
47k R514 4.7k C608
0.1u 0.1u
0.1u C621 C684
CP519 0.01u
CP606 10k*2 1000p
38 1k*2 C613 0.1u
37 FILTERO FILTERO
VCC1 36
TXD1
KEY2 35 C738 R625 MOD MOD
KEY1 34 C755 220p 4.7k
33 R780 4700p C508 1u LSDO LSDO R775 C759
LSDO 32 10k 56k 0.012u(J)
DSTB 31 CP605
LEDG 330*2 R773 C737
LEDR 30 DI9
VCO ADJ 29 R769 82k 4.7u BEEP BEEP
SPSTB 28 1k
27 BEEP BEEP IC601
BEEP 26 BSHIFT BSHIFT TC75W51FK
25
INTRA CP518 C604 1 8 8
INT 24 R733 47k*2 68p 2 7 TCXO TCXO
PSW 23 1k
22 R735 R606 3 6
NMI 21 47k 180k 4 5
VCC1 20 4
XIN C507 1u
DGND 19 XIN XIN LSD BUFFER
XOUT 18 XOUT XOUT LSD LPF / V REF TO TCXO
17 R732 R752 R612 R792 IC602
RESET 16 1k 0 10k 22k TC75W51FK
AM2 15 1 8
DMUTE 14 R523 8 D/A CONVERTER
CNVSS R609 2 7 IC605
BYTE 13 0 CPU_VCC CPU_VCC 100k 3 6 M62364FP
12 RTDT RTDT
11 R731 R515 47k 4 4 5 1 VIN1 VIN8 24
10 1k HSDIN HSDIN R624 2 23
HSDIN 9 VOUT1 VOUT8
R528 470k 0 3 22 R785
STSW 8 R518 R520 VOUT2 VOUT7
HSDO 7 R527 47k 4 VIN2 VIN7 21 12k (D)
6 15k 10k D500-502 5 20
APC/TV2 5 RTC BATT CONTROL VDD GND
5TC 4 D501 6 LD RESET 19
5RC 3 IC504 1SS388 7 18
SBC L503 AT24256N10SI27 CLK VDAref
AVCC 2 RTC PROCESSOR 8 DI DO 17
VREF 1 X500 1 A0 VCC 8 CN502 IC503 9 R652
11.0592MHz 2 7 RV5C386A X501 VIN3 VIN6 16 10k
L77-1958-05 A1 WP 1 32KOUT 10 L77-1802-05 D502 10 15 SPOUT SPOUT
R:0V 3 NC 6 2 VDD 9 VOUT3 VOUT6 R644
T:0V R:0V 4 SCL 5 SCL OSCIN 1SS388 11 VOUT4 VOUT5 14 10k
T:0.13V GND SDA 3 SDA OSCOUT 8 12 13
R:2.47V CP522 4 INTRB 7 VIN4 VIN5
T:2.46V R517 100*2 5 VSS CLKC 6
1k EEPROM INTRA
R516 Q621 CN503
1k 2SC4649(N,P)
BEAT SHIFT SW
CPU_DGND CPU_DGND
47k R784 LSW LSW LSW LSW
INTRA INTRA INTRA
DSTB W/N W/N DSTB DSTB W/N W/N
AM2 AM2 AM2 AM2
HSDOUT HSDOUT HSDOUT HSDOUT
5RC 5RC 5RC 5RC
THP/VCOADJ LSDIN THP/VCOADJ LSDIN THP/VCOADJ LSDIN LSDIN THP/VCOADJ
ASQL ASQL ASQL ASQL
T/R T/R T/R T/R
5TC DMUTE DMUTE DMUTE DMUTE
DT DT DT DT
MIC MIC MIC MIC
5M_CHARG 5M_CHARG 5M_CHARG
5CNS 5CNS 5CNS 5CNS
5R 5R 5R 5R
SBC APC/TV2 APC/TV2 APC/TV2 APC/TV2
B B B B
LEDR RXD TXD RXD TXD TXD RXD TXD RXD
LEDG RXD1 RXD1 RXD1 RXD1
KI2 CPU_DGND CPU_DGND
KI1 5M 5M 5M 5M
SPSTB CLK CLK CLK CLK
MOD MOD
5T 5T
APCSW DSW APCSW DSW
5C 5C
R:2.37V
TV TV T:2.44V
TCXO TCXO R25
56k
R695 10k R:0V R:0.78V
R:4.97V T/R SHIFT T:1.55V T:0.95V
T:0.14V L4 C25 R:4.73V
R:0V R:2.50V FIN FILTER C7 D1 C8 C16 D3 C28 T:4.88V
T:2.62V T:2.62V SHIFT SW 1000p HVC131 470p 4p(B) 82n 7p(B) HVC131 1000p Q2
R691 C679 L600 2SC5108(Y)
Q14 T/R SHIFT PLL IC
10k 0.1u Q610 DTA144EE R:1.39V F_IN AMP
DETECTOR MIC. AGC 2SJ243 T/R SHIFT T:0.19V T/R SHIFT
Q606 MMUTE SW D2 C71 C17 L5 C72 D4 R:1.76V
RB706F-40 D601 2SC4738(GR) T:1.87V
R681 R692 C680 R739 HVC131 470p 2p(B) 68n 470p HVC131
AI Q1
1k 82k 0.1u 180k DTC144EE
FIN FILTER
SHIFT SW
R:4.92V ME
T:5.09V
AF SW
R682 R737
IC606 DETECTOR 2.7k 4.7k STSW
TC7W53FK D602 Q607 SIDE TONE SW
1 8 SIDE TONE SW RB706F-40 2SA1832(GR) Q620 CV
CoMMoN VCC C650 0.1u R666 1M MIC. AGC DTA144TE
2 INH CH0 7 C756 R738 R:2.41V T:2.53V X1
3 6 Q619 2SJ243 C651 0.1u R667 390k L77-1952-05 16.8MHz
VEE CH1 R:2.47V 0.1u 120k
4 5 T:2.61V Vc Vcc R4 6 20 R51 R21 L8
GND A R:4.97V TXI 10 7 AVDD CP 19 R12 0 560
T:5.10V RXO AVDD Rset
C633 C658 L1 R3 C6 8 IC1 18 4.7k R14
0.01u R677 GND OUT 4.7u 0 1000p RFEin ADF4111BCP7 VP C20 10
0.1u 9 17
22k 10 DGND DVDD 16 1000p R15
R747 R643 IC1 DGND DVDD
0 100k BEEP SW PLL SYSTEM 10
Q605
R663 C648 RN4910 R5
10k 1000p C729 330p
10k
R753 R754 R776 47k C10 1000p R11 R13
10k 4.7k RXEI C11 1000p
C12 1000p 1k 150k
R661 C652 R676 RXEO C21
330k 68p 270k D 0.022u
R804 0 C666
0.1u
A C661 R683 C670
0.1u 150k 0.1u R53
R803 1 25 0
0 AGNDIN DTRAIN
2 TXIN AMP4O 24 DEO
3 23 R698
EXTLIMIN TXINO AUDIO AMP4N
R802 4 PROCESSOR 22 1M
C636 0 5 LIMLV AMP4P 21
EXTLIMIN IC607 AMP3O 5R PROTECTOR C215
0.1u 6 AQUA-L 20 W:0V 0.1u
LIMIT SW R801 7 MOD AMP3N N:4.94V
Q602 VDD AMP3P 19 C209
R:0V DTA114EE R:5.0V 0 8 DTRLOADN 18
T:0.18V T:5.13V VSS R696 R700 R701 R:4.23V CF200 0.1u
9 STD XIN 17 T:0.21V L72-1013-05
180k 180k 22k C211
R648 LSD LPF D201
DAN222 DAN222 D203 120p
T:5.12V R:4.99V 100k R:2.5V R:2.5V NARROW C212
T:2.54V AF SW T:0V
Q608 CF201 120p
2SJ243 C673 RXI L72-1014-05
R675 0.1u W/N FILTER FILTER WIDE FILTER
SHIFT SW SHIFT SHIFT
1M R220
R685 R:0V 180k
3.6864MHz X600 T:5.11V R:5.0V
L77-1976-05 4.7k T:5.12V
Q626 W:4.22V W/N R221
Q625 C771 C765 2SC4649(N,P) N:0V NOISE Q202
2SC4649(N,P) W/N W/N W/N(L:WIDE,H:NARROW) SW 2SJ243 3.3k
R805 27p 27p R:0V R:4.97V
47k (G) (G) T:5.09V SQL CONTROL / RX W/N SW T:5.13V
D202 R222
SQL CONTROL RB706F-40 R:2.92V DTA144EE Q204
D200 R202 R207 T:2.43V 2.7k
0 L200 C202 R214 R:1.25V
ASQL MA2S111 220k 0.022u 330k T:1.54V
R:2.80V C206
Q625,626 T:4.72V
R815 0 BEAT SHIFT SW Q201 0.1u AUDIO OUT AF MUTE
R206 R:0.64V 2SC4617(S) R:1.00V
1.5k T:0.95V SQL NOISE AMP T:0.25V 2SK1824 Q203 R:1.0V
T:1.11V
D204 R:4.88V
5RC 5RC D204 T:0.14V
LSDIN THP/VCOADJ THP/VCOADJ CONTROL DMUTE MA2S111
ASQL ASQL
T/R T/R 180k R217
SPOUT DMUTE SPOUT DMUTE
DT DT
MIC MIC
5CNS 5CNS
5R 5R TV
APC/TV2 APC/TV2
B B
RXD TXD TXD RXD
RXD1 RXD1
CPU_DGND CPU_DGND
5M 5M
MOD MOD
5T 5T 5T 5T
APCSW DSW DSW APCSW APCSW DSW APCSW DSW
TMP TMP
D10 R39
1SV323 VCO TX
L9 C37 Q7 22 RF AMP R:2.03V R:0V
2SK508NV(K52) Q13 T:2.28V TX/RX RF SW T:3.02V
10u D11 82p R:0V RF BUFFER AMP 2SC5108(Y) C68 D100 C101 R103
1SV323 T:1.15V Q10 C62 C64
C53 2SC5108(Y) 10p HSC277 1000p 0
33p 15p
0.5p(B)
R:0V DC SW / TX VCO
T:0.17V D5,7,10,11 MODULATOR
FREQUENCY R:0V 2SJ347 Q8
TX VCO CONTROL / T:4.33V
R26 C34 R27 R30 R35 L21 APC SW
R:0.52V
0 4.7u 0 47k 270k R:4.19V T:0.16V 2SC4738(GR) Q104
T:0.18V DC SW / RX VCO
R:0V Q9 R153
T:0.17V R38 2SJ347 39k
D9,13 22
FREQUENCY R:0V TX/RX RF SW
CONTROL / T:4.21V
RX VCO VCO RX
Q6 R:4.88V L206 L207 APC SW
L10 D13 C39 2SK508NV(K52) 2SK1830 Q12 T:0.19V
10u R:2.76V 39n 39n
1SV325 33p DC SW / RX VCO T:0.18V C240 C244 R138
150k
2p(B) 1.5p(B) (D)
RIPPLE FILTER C132
C54 Q11
0.5p(B) 2SC4617(S) 100p
R132
150k
(D)
CURRENT R133
STEERING 150k
TMP TMP (D)
T/R(H:Rx,L:Tx)
T/R T/R
5C 5C R:7.17V
T:0V
R:0V
T:4.97V
R:4.75V
T:0.18V
5R 5R
R:4.75V
IC200 T:0.17V
TA31136FN
FM IF
SYSTEM XF200
R:0.71V 59.85MHz R235 R:4.36V
R227 C292 R230 T:0.17V L71-0622-05 10 T:0.17V R:2.30V D207,208 R:4.38V
0 0.01u 560k C228 R231 C232 R232 L220 T:0.17V RF BPF TUNING T:0.18V R:4.71V
R:4.64V C255 C260 T:0.17V R:2.60V
T:0.18V 0.01u 180 0.01u 220 560n Q206 C250 R243 R248 T:0.17V
Q205 3SK318 1000p 0 4p(B) 2p(B) 68 C275
2SC4649(N,P) MIXER R:0.48V R:2.36V RF AMP Q207 R264 R265
IF AMP R234 R236 T:0.17V T:0.17V 3SK294 0 4.5p(B) 0
47 680
R255
100k
SPOUT SPOUT SPOUT SPOUT
MIC MIC MIC MIC
5CNS 5CNS 5CNS 5CNS
TV TV
APC/TV2 APC/TV2 APC/TV2 APC/TV2
B B B B
TXD RXD RXD TXD RXD TXD RXD TXD
RXD1 RXD1 RXD1 RXD1
CPU_DGND CPU_DGND CPU_DGND CPU_DGND
5M 5M 5M 5M
R:0V D106 D106,107
TH100 T:1.80V HVC131 ANT SW
L107 L116 L115 C149 D107 C152 L111 L112 L113 R150 ANT
100k -t
3T 5T 3T 100p HVC131 1000p 7T 7T 6T 0 CN13
TX DRIVE AMP CN604
R:0V R:0V R104 C125 L106 R134 Q105 C154 C156 C158 E23-1262-05
T:5.10V T:1.33V 2SK2596 Q102 2SK2595
PRE-DRIVE AMP 0 1000p 18n 0 9p(B) 13p(G) 18p(G)
R:0V Q101 C112 R106 C113 L103 R:0V
T:1.10V 2SK3077 39p 0 1000p 27n L:1.64V T:2.47V
C107 H:2.41V TX FINAL AMP
R135
47p L:0.89V R:0V
H:1.29V 12k T:1.00V
R263 L218
R:0.70V 0 6.8n SP
T:1.03V
R113 CN602
E40-6453-05
22k 14 SSW
13 SP+
D211,213
5T 5T ANT SW 12 SP-
11 MSW
10 EMC
9
ME
8 PTT
R:0V SPOUT
T:2.94V 7 PF
R123 R145 SP CONTROL 6 OPT
B L601 2SB1132(Q,R) Q613
0 2.2k 5 E
R:0V C689 4 5U
T:0.15V 0.01u AF POWER AMP
SP CONTROL IC609 3 TXD
APC PROTECT TDA7053AT
SP CONTROL SP CONTROL R:2.41V 1 16 L608 2 RXD
R:4.93V T:0V NC1 OUT1+ 1 NC
T:0.14V 2SC4617(S) Q612 2SC4617(S) Q615 R705 2 15
15k C698 3 VC1 NC4
AM NC2 PGND1 14
R141 R706 C692 0.1u SP CONTROL 4 13 L609
15k C690 47p Q618 VI<1> OUT1-
10k R:6.98V 47p R:4.36V R:2.41V 2SK1824 5 VP OUT2- 12 L610
T:3.30V T:0.14V T:0V 6 11
COMPARATOR(APC) VI<2> NC3 RXEI
APC SW C700 47p 7 10 RXEO
1 8 R144 R711 SP CONTROL 8 SGND PGND2 9 TXO
OUT1 VCC 1M 2SK1824 Q108 R:0V 47k D614 CP600 VC2 OUT2+ RXI
2 IN1- OUT-B 7 T:3.28V D605 DAN222 47k*2 L611
3 6 RXO
IN1+ IN2- 1SS373 R788 AFGND AFGND TXI
4 VEE IN2+ 5 47k TCONT
R:0V T:5.06V SP CONTROL STON
5M 5M 5M R796
IC100 0
TA75W01FU 5A
INH
DI/ANI
OPT1
R800 MIC OPT3
MIC SHIFT SW AF MUTE SHIFT MIC
APC SW R:7.07V 0 Q614 Q616 CONTROL
T:1.23V 2SJ347 UPA672T OPT5
Q106 OPT4
DTC114EE APC SW E:0V OPT2
I:4.92V AF MUTE UPA672T Q617 RSSI
Q107 L612 TXD1
2SK1824 C728 R707 R713
1.8k 1k E:0V
1u MIC MIC I:4.92V MANDN
SHIFT SHIFT R765
R:4.44V CONTROL CONTROL 0
T:1.23V R124
0 L607 R723
INH R781 47
SSW F602
D613 0 F53-0315-05
DA221 SB2
SSW CONTROL
ME OPT6
PTT L602 R720
L603 R717 100 TXI
PF RXEI
D209,210,212 L219 D611 100
RF BPF TUNING 5UC SW NNCD6.8G RXEO
C279 C284 100n C287 Q622
R262 FMMT717 PTT PF TXD RXD CONTROL L604 F601
1.5p(B) 0 8p 33p OP SW L605 R718 100 OPT2
R:0.81V R:0.81V Q611 F53-0315-05
T:4.66V T:4.65V HN1L02FU L606 R719 100
DA221 D609 DA221 D610 TCONT
DI/ANI
R742
8.2k RXD CONTROL TXD CONTROL
OP SW
Q609 5UC SW R766 R761 5A
2SJ243 Q623 2.2k 2.2k
R693 2SK1830 Q624
4.7k 2SK1830 R755 L615 R768 AO
C715 R744 5UC SW AI
0 100
0.1u 4.7k
MANDOWN
CONTROL
5CNS 5CNS OPT5
RXD OPT4
TXD RXD TXD
RXD1 RXD1
CPU_DGND CPU_DGND TXD1
R764
0
OPT3
OPT1
CN603
E23-1263-05
UNIVERSAL
CONNECTOR
GND
RXD
TXD
RXEI
RXEO
TXO
RXI
RXO
TXI
TCNT
STON
SB2
5A
INH
DI/A
OPT1
OPT3
OPT6
OPT5
OPT4
OPT2
RSSI
TXD1
RXD1
MDSW
GND
SB2 26
OPT6 25
TXI 24
RXEI 23
RXEO 22
TXO 21
OPT2 20
INH 19
MAN DOWN 18
TCONT 17
DI/ANI 16
STON 15
5A 14
13
AGND
AO 12
AI 11
AGND 10
DGND 9
OPT5 8
USEL 7
6
OPT4
NC 5
TXD1 4
RXD1 3
OPT3 2
OPT1 1
CN600
E40-6389-05