Kenwood TK-2180 Service Manual page 65

TX-RX UNIT(X57-6930-10)
7.5V SB2 SW
L400 F400 Q403 2SA1955(A) R:7.48V 5T 5T
BATT T:7.46V C433
470p 5C 5C
PROTECTION REVERSE T:6.78V R:6.80V
BATT VOLTAGE DETECTOR / RESET 5M
5RC 5RC
IC405 RESET RESET
T:5.07V R:4.96V SBC SW R:0V T:0.13V S-80942CNNBG9C PSW PSW
R400 Q402 INT INT
DET 2SK1830 5M
0 C516
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 3 1 5
VIN CoNT R:4.91V VIN VoUT
2 T:5.02V 2 AUX OFF:4.95V
5A 5 GND 1 3 VSS ON:0V
VoUT NP CE NC 4
R:4.76V R:5.00V
T:0.13V T:5.11V AUX_Key CPU_DGND
CN400 Q409 S400 CPU_VCC
E40-5823-05 Q405 2SJ347 ORG
10 5M 2SJ347 5T SW R:5.00V R:4.91V
5R SW Q406 T:4.35V TC75S51FE IC404 T:5.02V SAVE SW R:0V
9 VOL 2SA1955(A) T:0.13V
R421 4 oUT IN- 3
8 DGND 1k 2 5T CONTROL CP511
7 EN1 R:0V VSS D408 330*2
T:5.08V 5 VDD 1 R:4.94V R:4.97V RD
6 EN2 IN+ T:0.13V MA2S111 T:0.13V WR R504
5 DGND DTC144EE Q404 R427 0
5T CONTROL 47k
4 EN4 EN1 5R SW
3 EN3 EN4 EN2 5R R:0V 5T
EN3 T:5.07V
2 +B 65
INT R728 1k 66 BTSE/VOX
SB1 R:0V 67 LCDRST
1 VOLTAGE REGULATOR / 5V IC401 T:0V 68 LCDCS
VR/SW:R31-0617-05 TK11250CUCB POWER SW L502 A[18] CSO CS0
CH_SW:S60-0415-05 Q401 CP500 69 A19
4 VIN CoNT 3 R:4.82V SSM3K15TE A[17] 1k*2 70 A18
2 T:4.88V R407 A[16] 71 A17
GND CP501 72
5 VoUT NP 1 680k A[15] 1k*2 73 A16
VOLTAGE REGULATOR / 5V R:5.0V R:4.98V A[14] CP502 74 A15
LG LR T:5.12V T:5.09V 1k*2 A14 VCO ADJ
XC6204B502MR IC402 5M A[13] 75 A13
5CNS 5M PROTECTOR Q408 A[12] CP503 76 A12
D405 1 5 2SA1955(A) 1k*2 77
LED RB521S-30 2 VIN VoUT A[10] A[11] 78 A11 SHIFT/MODEL
RED & GREEN VSS R724 CP504 79 A10
D400 R415 3 4 5M SW LD 1k A[9] 1k*2 A9
B30-2278-05 D404 CE NC R725 A[8] 80 UL
R:4.79V BATT R:7.49V 15k R:4.29V T:4.40V PLE CP505 1k*2 81 PLE
T:5.09V LEVEL CONTROL C414 T:7.47V PCK 330 82 MICROPROCESSOR
R:7.48V R726 R506 83 PCK
470p D406 T:7.40V 330 47k 84 NC IC502
R:0V R:6.06V MA2S111 Q407 85 OPT6 30625MGP-169GP
T:5.95V T:0.17V R405 2SK1830 VCC2
LED SW / C505 86 A8
GREEN or RED R:3.67V 100k R:4.50V 1u 87 DGND
T:3.72V T:4.57V 5M SW A[7] CP506 88
Q400 D406 D403 A[6] 1k*2 89 A7
UMG9N 5M CONTROL 1SS301 R417 90 A6
POWER SW 680k A[5] CP507 1k*2 A5
IC400 CONTROL A[4] 91 A4 RTDT/EEPDAT
IC400 VOLTAGE DETECTOR / INT CP508 92 A3 MAN-DN IN
XC61CC5602NR A[3] 1k*2 93
A[2] 94 A2
A[1] CP509 95 A1 RTCL/EEPCL
A[0] 1k*2 A0
96 PTT
R:4.98V L501 CPU_VCC CPU_VCC R505 97 AFRTM
CN500 T:5.08V C503 47k 98 TCLK/DTRDO
E40-6413-05 1u SAVE SAVE 99
5M 1 100 SAVE
2 101 T/R
LCDRST R525 AM1
3 102 LCDRS
LCDCS 4 1k
DGND
5
6
SB2
7 FLASH MEMORY
IC500
KI2 8 AT29C040A-90TI
9
KI1
10
DATA 11 CPU_DGND CPU_DGND
CLK
12
SPSTB R771
PTT 13
14 1k
MIC
ME 15
16
AGND 5TC PTT 5TC PTT
17 LCDRS LCDRS
LCDRS 18 DT DT DT
MIC MIC MIC
19 BATT_LEVEL 5M_CHARG BATT_LEVEL BATT_LEVEL 5M_CHARG
5CNS 5CNS 5CNS
20 5R 5R 5R
SBC SBC SBC
B VOL VOL B B VOL
LEDR LEDR LEDR
LEDG LEDG LEDG
KI2 KI1 KI2 KI2
CLK CLK KI1 CLK KI1
SPSTB SPSTB SPSTB
5T 5T 5T 5T
DSW DSW DSW DSW
APCSW APCSW APCSW APCSW
5C 5C 5C 5C
TV TV
RXAFI(25) RXAFI(25)
MMUTE MMUTE MMUTE MMUTE
R:7.49V
T:7.48V INT SW DETECTOR
R674
Q502 R:0V VOX VOX RB706F-40 D603 VOX
SSM3K15TE T:0.13V 0
C734
22p
C757 R601 C601
4700p 390k 22p R600
R635 MIC AMP / VOX
LSW 680k 4.7k IC608
R636 TC75W51FK
AF BUFFER TUNE HSD BPF / HSD COMP
IC600 IC603 TUNE 4.7k 1 8 8
CP517 D600 TC75W51FK TC75W51FK C615 IC604 C625 2 7
1k*2 DTRLOAD STD RB706F-40 1 8 R613 1 8 100p TC75W51FK
CP521 TDATA(10) AF 8 8 0.1u 3 6
1k*2 DI/O BUFFER 2 7 100k 2 7 R616 R623 1 8 8 4 5
R513 1k CONTROL 100k 2 7 4
DIR(14) 3 6 3 6 100k
C602 4 5 4 5 3 6 R637 C627
R758 47k 4 4 4 5 3.3k 0.01u
R510 0.1u 4 C675 C678
47k R514 4.7k C608
C621 0.1u 0.1u
0.1u C684
CP519 0.01u
1k*2 CP606 10k*2 1000p
38 C613 0.1u
37 FILTERO FILTERO
VCC1 36
TXD1 35
KEY2 C755 C738 R625 MOD MOD
KEY1 34 330p 4.7k
LSDO 33 R780 4700p C508 1u LSDO LSDO R775 C759
32 10k 56k 0.012u
DSTB 31 CP605
LEDG 30 330*2 R773 C737 DI9
LEDR 29 R769 82k 4.7u
SPSTB 28 1k
27 BEEP BEEP IC601
BEEP 26 BSHIFT BSHIFT TC75W51FK BEEP BEEP
25 C604 1 8
INTRA 24 R733 CP518 8
INT 47k*2 68p 2 7 TCXO TCXO
PSW 23 1k
NMI 22 R735 R606 3 6
21 47k 180k 4 5
VCC1 20 C507 4
XIN 19 1u LSD BUFFER
DGND 18 XIN XIN TO TCXO
XOUT XOUT XOUT R612 R792 LSD LPF / V REF
RESET 17 R732 R752 TC75W51FK IC602
AM2 16 1k 0 10k 22k
15 1 8 8
DMUTE 14 R523 R609 2 D/A CONVERTER
CNVSS 13 0 CPU_VCC CPU_VCC 7 IC605
BYTE 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
8 R528 470k 0 3 VOUT2 VOUT7 22 R785
STSW 7 R518 R520 4 21 12k
HSDO R527 47k 10k 10k VIN2 VIN7 (D)
APC/TV2 6 D500-502 5 VDD GND 20
5TC 5 RTC BATT CONTROL D501 6
4 LD RESET 19
5RC 3 IC504 1SS388 7 18
SBC 2 L503 AT24256N10SI27 CLK VDAref
AVCC 1 8 RTC PROCESSOR 8 DI DO 17 R652
VREF 1 X500 A0 VCC CN502 IC503 9 16 10k
11.0592MHz 2 7 RV5C386A X501 VIN3 VIN6
L77-1958-05 A1 WP 1 32KOUT 10 L77-1802-05 D502 10 VOUT3 VOUT6 15 SPOUT SPOUT
R:0V 3 NC SCL 6 2 SCL VDD 9 1SS388 11 14 R644
T:0V R:0V 4 5 3 OSCIN 8 VOUT4 VOUT5 10k
T:0.13V GND SDA SDA OSCOUT 12 VIN4 VIN5 13
R:2.47V CP522 4 INTRB CLKC 7
T:2.46V R517 100*2 5 VSS INTRA 6
R516 1k EEPROM
Q621 CN503
1k 2SC4649(N,P)
BEET SHIFT SW
R784 CPU_DGND CPU_DGND
47k LSW LSW LSW LSW
INTRA DSTB DSTB INTRA INTRA DSTB
W/N W/N W/N W/N
AM2 AM2 AM2 AM2
HSDOUT HSDOUT HSDOUT HSDOUT
LSDIN 5RC 5RC LSDIN LSDIN 5RC 5RC LSDIN
THP/VCOADJ THP/VCOADJ THP/VCOADJ THP/VCOADJ
ASQL ASQL ASQL ASQL
5TC DMUTE T/R DMUTE T/R DMUTE T/R T/R 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
RXD B B RXD RXD B B RXD
LEDR TXD TXD TXD TXD
LEDG RXD1 RXD1 RXD1 RXD1
KI2 KI1 5M 5M CPU_DGND CPU_DGND
CLK CLK 5M CLK 5M CLK
SPSTB
MOD MOD
5T 5T
DSW DSW
APCSW APCSW
5C 5C R:2.37V
T:2.44V
TV TV
R25
TCXO TCXO 56k
R:0V R:0.78V
T/R SHIFT T:1.55V T:0.95V
R695 C7 D1 C8 C16 L4 C25 D3 C28 R:4.73V
R:4.97V FIN FILTER T:4.88V
10k T:0.14V SHIFT SW 1000p HVC131 470p 4p(B) 82n 7p(B) HVC131 1000p Q2
T/R SHIFT 2SC5108(Y)
R:0V R:2.50V DTA144EE Q14 PLL IC
T:2.62V T:2.62V T/R SHIFT R:1.39V F_IN AMP
R691 C679 L600 D2 T:0.19V T/R SHIFT R:1.76V
HVC131 C71 C17 L5 C72 D4 T:1.87V
10k 0.1u Q610 68n
2SJ243 470p 2p(B) 470p HVC131
MMUTE SW Q1
MIC.AGC DTC144EE
DETECTOR Q606 R692 C680 R739 FIN FILTER
D601 2SC4738(GR) AI SHIFT SW
RB706F-40 R681 82k 0.1u 180k
1k
ME
CV
X1
R682 16.8MHz
L77-1952-05
D602 2.7k R4 R21 L8
RB706F-40 2SA1832(GR) Q607 R:4.92V Vc Vcc 6 20 R51
DETECTOR T:5.09V 10 7 AVDD CP 19 R12 0 560
MIC.AGC R737 L1 AVDD Rset
STSW GND OUT R3 C6 8 IC1 18 4.7k R14
C650 R666 4.7k 4.7u 0 1000p 9 RFEin ADF4111BCP7 VP 17 C20 10
SIDE TONE SW DGND DVDD
SIDE TONE SW 0.1u 1M Q620 10 16 1000p R15
Q619 DTA144TE R:2.41V IC1 DGND DVDD 10
2SJ243 C651 R667 C756 R738 T:2.53V PLL SYSTEM
R:2.47V 0.1u 390k 0.1u 120k R5
AF SW T:2.61V R:4.97V C658 RXO
T:5.10V 10k
TC7W53FK IC606 0.1u R677 C10 1000p R11 R13 R53
22k C11 1000p 1k 150k
1 8 C12 1000p 0
2 CoMMoN VCC C21
INH CH0 7 BEEP SW D 0.022u
3 6 Q605
VEE CH1 RN4910 C729
4 GND A 5 C648
R663 1000p 330p
RXEI
C633 10k
0.01u C652 RXEO
R661 68p R676
330k 270k
C666
0.1u 5R PROTECTOR C215
R747 R643 A C661 R683 C670
0 100k 0.1u 0.1u W:0V C209 0.1u
1 25 150k N:4.94V 0.1u
AGNDIN DTRAIN
2 24 DEO
3 TXIN AMP4O 23 R698 R:4.23V CF200
EXTLIMIN TXINO AUDIO AMP4N T:0.21V L72-1013-05
R753 R754 4 PROCESSOR 22 1M C211
C636 LIMLV AMP4P D201 D203
10k 4.7k 5 EXTLIMIN IC607 AMP3O 21 DAN222 DAN222 120p
0.1u 6 AQUA-L 20 NARROW C212
MOD AMP3N
7 VDD 19 CF201 120p
R:0V R:5.0V 8 AMP3P 18 L72-1014-05
T:0.18V T:5.13V DTRLOADN VSS R696 R700 R701 W/N FILTER FILTER WIDE FILTER
9 STD 17 SHIFT SW SHIFT SHIFT R220
LIMIT SW XIN 180k 180k 22k
Q602 R648 LSD LPF 180k
DTA114EE R:5.0V
R:4.99V 100k W/N T:5.12V
T:5.12V R:2.5V AF SW R:2.5V N:0V W:4.22V NOISE Q202 R221
T:2.54V Q608 T:0V SW 2SJ243
2SJ243 C673 W/N W/N W/N(L:WIDE,H:NARROW) 3.3k
0.1u RXI R:0V W/N SW R:4.97V
R675 T:5.09V SQL CONTROL / RX T:5.13V
1M SQL CONTROL D202 Q204 R222
R:0V RB706F-40 R:2.92V DTA144EE
3.6864MHz X600 R685 T:5.11V D200 R202 R207 L200 C202 T:2.43V 2.7k
L77-1965-05 4.7k MA2S111 220k 0 R214 T:1.54V R:1.25V
ASQL 0.022u 330k
R:2.80V C206
T:4.72V Q201 AUDIO OUT
2SC4617(S) 0.1u AF MUTE
R206 R:0.64V SQL NOISE AMP R:1.00V Q203
1.5k T:0.95V T:0.25V 2SK1824 R:1.0V T:1.11V
5RC 5RC D204 D204 R:4.88V
LSDIN DMUTE MA2S111 T:0.14V
THP/VCOADJ THP/VCOADJ CONTROL
ASQL ASQL R217
DMUTE T/R T/R DMUTE 180k
SPOUT SPOUT
DT DT
MIC MIC
5CNS 5CNS
5R 5R TV
APC/TV2 APC/TV2
RXD B RXD B
TXD TXD
RXD1 RXD1
CPU_DGND 5M CPU_DGND
5M
MOD MOD
TMP TMP
TMP 5T TMP 5T 5T 5T
DSW DSW DSW DSW
APCSW APCSW APCSW APCSW
D10
1SV323 VCO TX R39
Q7
L9 D11 C37 2SK508NV(K52) 22 RF AMP T:2.28V R:2.03V R:0V T:3.02V
RF BUFFER AMP Q13 TX/RX RF SW
10u 1SV323 82p R:0V 2SC5108(Y) C68 D100 C101 R103
T:1.15V 2SC5108(Y) Q10 C62 C64 1000p 0
C53 10p HSC277
33p 15p
0.5p(B)
R:0V D5,7,10,11 DC SW / TX VCO
T:0.17V FREQUENCY MODULATOR Q8
CONTROL / R:0V 2SJ347
TX VCO T:4.33V
R26 C34 R27 R30 R35 L21 APC SW
R:0.52V Q104
0 4.7u 0 47k 270k R:4.19V DC SW / RX VCO T:0.16V 2SC4738(GR)
T:0.18V Q9 R153
R:0V R38 2SJ347
T:0.17V 39k
D9,13 22 TX/RX
FREQUENCY R:0V RF SW
CONTROL / T:4.21V
RX VCO VCO RX
Q6 Q12 R:4.88V L206 L207 APC SW
L10 D13 C39 2SK508NV(K52) 2SK1830 T:0.19V 39n 39n
10u DC SW / RX VCO R:2.76V
1SV325 33p T:0.18V C240 C244 R138
2p(B) 1.5p(B) 150k
(D)
C54 RIPPLE FILTER C132
Q11 100p
0.5p(B) 2SC4617(S)
R132
150k
(D)
CURRENT
STEERING R133
150k
(D)
T/R T/R T/R(H:Rx,L:Tx)
5C 5C
R:7.17V
T:0V
T:4.97V R:0V
R:4.75V
T:0.18V
5R 5R
IC200 R:4.75V
TA31136FN T:0.17V
FM IF
SYSTEM XF200 R235
R227 R:0.71V 59.85MHz R:4.36V
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 C250 R243 C255 C260 R248 T:0.17V R:2.60V
T:0.18V 2SC4649(N,P) Q205 0.01u 180 0.01u 220 560n Q206 T:0.17V
3SK318 1000p 0 4p(B) 2p(B) 68 R264 C275 R265
IF AMP MIXER R:0.48V R:2.36V RF AMP Q207
R234 R236 T:0.17V T:0.17V 3SK294 0 4.5p(B) 0
47 680 R:0.81V
T:4.66V
R255
100k
SPOUT SPOUT SPOUT SPOUT
MIC MIC MIC MIC
5CNS 5CNS 5CNS 5CNS
TV TV
APC/TV2 APC/TV2 APC/TV2 APC/TV2
RXD B B RXD RXD B B RXD
TXD TXD TXD TXD
RXD1 RXD1 RXD1 RXD1
CPU_DGND CPU_DGND CPU_DGND CPU_DGND
5M 5M 5M 5M
D106,107
TH100 ANT SW
D106
100k -t R:0V
T:1.80V HVC131
TX FINAL AMP L107 L116 L115 C149 D107 C152 L111 L112 L113 R150 ANT
5T CN13
TX DRIVE AMP C125 L106 3T 3T 100p HVC131 1000p 7T 7T 6T 0
R104 R134 Q105 CN604
R:0V R:0V Q102 0 1000p 18n 0 2SK2595 C154 C156 C158 E23-1262-05
PRE-DRIVE AMP T:5.10V T:1.33V 2SK2596 R:0V 9p(B) 13p(G) 18p(G)
C112 R106 C113 L103 L:1.64V T:2.47V
R:0V T:1.10V 2SK3077 Q101 H:2.41V
39p 0 1000p 27n R135
C107
47p L:0.89V 12k R:0V
H:1.29V T:1.00V
R263 L218
0 56n SP
R:0.70V
T:1.03V
R113 CN602
E40-5856-05 14 SSW
22k
13 SP+
D211,213
5T 5T ANT SW 12 SP-
11 MSW
10 EMC
9 ME
8 PTT
R:0V SPOUT 7 PF
T:2.94V
R123 R145 SP CONTROL Q613 6 OPT
0 2.2k B L601 2SB1132(Q,R)
5 E
R:0V C689 4 5CNS
T:0.15V 0.01u AF POWER AMP
SP CONTROL IC609 3 TXD
APC PROTECT TDA7053AT 2 RXD
SP CONTROL SP CONTROL R:2.41V 1 16 L608
R:4.93V Q612 Q615 T:0V NC1 OUT1+ 1 NC
T:0.14V 2SC4617(S) 2SC4617(S) R705 2 VC1 NC4 15
15k C698 3 14
AM SP CONTROL NC2 PGND1
R141 R706 15k C692 47p 0.1u 4 13 L609
10k C690 Q618 5 VI<1> OUT1- 12 L610
R:6.98V 47p R:2.41V 2SK1824 VP OUT2-
T:3.30V T:0.14V R:4.36V T:0V 6 11
COMPARATOR(APC) 7 VI<2> NC3 RXEI
APC SW R711 C700 47p SGND PGND2 10 RXEO
1 OUT1 VCC 8 R144 Q108 SP CONTROL 8 9 TXO
2 7 1M 2SK1824 R:0V T:3.28V 47k D614 CP600 VC2 OUT2+ RXI
IN1- OUT-B D605 DAN222 47k*2 L611 RXO
3 IN1+ IN2- 6
4 5 1SS373 R788 AFGND AFGND TXI
VEE IN2+ R:0V 47k TCONT
T:5.06V SP CONTROL STON
IC100 5M 5M 5M R796
TA75W01FU 5A 0
INH
DI/ANI
OPT1
MIC AF MUTE MIC OPT3
MIC SHIFT SW SHIFT
APC SW R:7.07V Q614 Q616 CONTROL OPT5
T:1.23V 2SJ347 UPA672T
DTC114EE Q106 OPT4
APC SW E:0V Q617 OPT2
Q107 I:4.92V AF MUTE UPA672T RSSI
2SK1824 C728 R713 L612 TXD1
R707
1u 1.8k 1k E:0V
MIC MIC I:4.92V MANDN
SHIFT CONTROL CONTROL SHIFT R765 0
R:4.44V T:1.23V R124
L607 R723
0 INH
R781 47
SSW F602
D613 0 F53-0315-05
DA221 SB2
SSW CONTROL
ME L602 R720 OPT6
PTT
L603 R717 100 TXI
D209,210 PF RXEI
RF BPF TUNING D611 100
5UC SW NNCD6.8G RXEO
C279 R262 C284 C287 Q622 PTT PF TXD RXD CONTROL F601
OP SW FMMT717 L604
1.5p(B) 0 10p(C) 33p L605 R718 100 F53-0315-05 OPT2
R:0.81V Q611
T:4.65V HN1L02FU L606 R719 100
D609 D610
DA221 DA221 TCONT
DI/ANI
R742
8.2k RXD CONTROL TXD CONTROL
OP SW R766 R761 5A
Q609 5UC SW
R693 2SJ243 Q623 2.2k 2.2k
2SK1830 2SK1830 Q624 AO
4.7k R755 L615 R768
C715 R744 5UC SW 100 AI
0
0.1u 4.7k
MANDOWN
CONTROL
5CNS 5CNS OPT5
RXD RXD OPT4
TXD 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
AGND 13
AO 12
AI 11
AGND 10
DGND
9
OPT5 8
USEL 7
OPT4 6
NC 5
TXD1 4
RXD1 3
OPT3 2
OPT1 1
CN600
E40-6389-05