Kenwood TK-2360 Service Manual page 49

TX-RX UNIT(X57-7780-10)(A/3)
B L801 F801
+B +B +B
50T 50T
3.15A 7.5V
50V 50V
GND 50R 50R
BATTERY TMP
50C 50C
PROTECT
CN829
DET R801 BSEL BSEL
0
POWER SWITCH
/AF VOLIUM CN801 50M 50M
1 VOLIN
VR1 VOLIN VOLIN
R31-0665-05 2 33MS 50TC 50TC
33MS 33MS
3 SB EN4 EN4 EN4
EN3 EN3 EN3
4 SB EN2 EN2 EN2
EN1 EN1 EN1
5 +B C944 50RC 50RC
F802 33BC 33BC
1A 50CC 50CC
6 +B 1000p 50VC 50VC
R:0V R:4.9V 33MSC 33MSC
7 EN2 T:4.9V T:0V LEDR LEDR
LEDG LEDG
S805 8 EN4 LEDB LEDB
S60-0443-05 33M
9 GND
R:0V R:3.3V
10 EN3 T:3.3V T:0V
11 EN1
5.0V
CHANNEL
SELECTOR
VOLTAGE EMGKEY EMGKEY
REGULATOR/5V DC SW DC SW SIDE1 SIDE1
SIDE2 SIDE2
IC801 Q802 Q803
XC6209B502PR SSM6L05FU-F SSM6L05FU-F
4 3
VIN CE
2
VSS
5 1
VoUT NC
50M
IC806
XC6209B332MR 3.3V
R:7.5V VOLTAGE
REGULATOR/3.3V 1 5
T:7.4V VIN VoUT 33B
2
VSS
R812 3 4
CE NC
3.3V
100k 33B R823
33BC 47k
R824
IC802 5.0V
VOLTAGE XC6209B502MR 910k(D)
REGULATOR/5V 1 5
VIN VoUT
2
VSS
3 4 R825
CE NC 3.3V
50C 120k
50CC
R826
IC803 3.0V
VOLTAGE XC6209B502PR 0
REGULATOR/5V
4 3 50VC
VIN CE
2 DC SW
VSS 33M 33M R827
5 1
VoUT NC Q804 0
50V 5.0V SSM3J05FU-F
3.3V
3.3V
0V
IC804 VOLTAGE
6.7V XC6209B332MR REGULATOR/3.3V 33MSC
D802 1 5 R816
PROTECT VIN VoUT 33M RESET RESET
HSC119 2 100k INT INT
VSS VOLTAGE 3.3V
3 4 DETECTOR
CE NC
/RESET
IC807
33M XC6120N302N1
IC805 RESET INT
XC61CN4502MR VOLTAGE 33M
DETECTOR/INT
3 VIN VoUT 1 R822
VSS 1k
3.2V
2
INT
SB
PROTECT
SB SB
TX-RX UNIT LED/RED LED/GREEN
LED/BLUE
(X57-7780-10)(B/3) DC SW BUSSY LED
DC SW ON:3.3V
Q801
AUX SSM6N17FU Q805
2SK1830F LEDG
S801
S70-0516-05 BLUE LED
ON:3.3V
LEDB
PTT LEDR
S802
S70-0516-05 R:0V
CN802 CN803 T:3.3V
1 1 GND
S-1 2 2 EMGKEY R806 EMGKEY
S803 3 3 PTT R807 100
S70-0516-05
4 4 SIDE1 100 R808 SIDE1
5 5 SIDE2 R809 100
S-2 SIDE2
6 6 GND 100
S804
S70-0516-05
33B 33B
PTT PTT
+B +B
50T 50T
50V 50V
50R 50R
TMP TMP
50C 50C
TX TX
PDSW PDSW
DCSW DCSW
APCSW APCSW
MICM MICM
50M 50M
33MS 33MS
EXTMICSW EXTMICSW
AFSW AFSW
33M 33M
3.3V
CP1
PLLLE PLLLE
PLLDAT PLLDAT
C855 PLLCLK PLLCLK
PLLLD PLLLD
0.1u
C856
RK74HB1J101J
1000p
CP820
RK75HA1J102J
76 50
RK75HA1J103J
77 33MSC 49 33MS
78 MDTXD 33BC 48 X1
NC MDCLK PLLLD L77-3050-05
79 47 1.6V 16.8MHz R9
NC PLLCLK
R835 0 80 46 1 4 100
TMP PLLLE VCoNT VCC
R836 0 81 45
VOLIN PLLDAT CE
R837 0 82 44 2 3 L1 R8 C7
VOX CE MDSW GND oUTPUT
83 43 4.7u 0 0.01u
ASQL DACCE
84 42
RSSI TX
3.3V
85 41
LSDI EXTMICSW
86 40
BATT MDSW MDSW GND
87 MCU 39
NC EPM EMP
88 IC809 38 R866
NC F3640MDFBKDKA OPTDET R6 R7
89 37 1k
NC PTT 47k 10k
90 36
NC EEPCLK
91 35
BSEL EEPTXD 16.8MHz
92 34
NC NC
93 33 DACCE DACCE
NC NC
94 32
AVSS BUSY
95 31
HSDI2 CLK1 CP807 OPTDET OPTDET
96 30 PTT/RXD PTT/RXD
VREF RXD1 TXD TXD
97 29
AVCC TXD1 33MS R887 10
98 28 RK75HA1J102J EEPTXD
NC NC EEPCLK C876 10u
99 EEPCS 27
SIM1 NC C874 0.1u
100 26
SIM2 C877 1000p 3.2V
PULL UP
EEPROM R876
IC810
EX25064ASA00A 1k
RESET
CNVSS
37
VCC1
C850 C861
38
1000p 3.3V 1000p DGND DGND R875 39 DVSS3
B-SHIFT C849
ON:3.3V 0 40 VDEC2
OFF:0V 0.1u XTALN XTAL/CLoCK
R854 R874 41
DVDD
0 10 42 BASE BAND IC
CoMMANDDATA IC812
R867 3.3V 43
R856 X802 REPLYDATA CD686Q3
10k C866 44
0 NC
R838 22u10 45
L77-3049-05 C948 HPF DVSS4
0 12.0MHz 46
R839 1800p IC816 SERIALCLoCK
C961 HA1630D03MM 47 DVSS2
22k BEAT SHIFT SW SYSCLoCK2 SYSCLoCK1
Q807 6800p C946 1 8 48
Q806 VoUT1 VDD C949
2SC4919-S 2SC4919-S 1000p 2 7 CSN
VIN1- VoUT2 1000p
R857 C851 C947 3 6
BEAT SHIFT SW VIN1+ VIN2- C950 C951 C962
R846 180 0.01u 1800p 4 5
VSS VIN2+ 2700p 2700p 6800p
10k C878
R842 HSD AMP
0.01u
1k 1 8
C879
VoUT1 VDD 3.2V
C842 2 7 DVDD 10u
VIN1- VoUT2
0.1u 3 6 R861 C852
VIN1+ VIN2- DVSS
4 5 100k 0.01u 3.3V LSDO LSDO
VSS VIN2+ DISCFB DISCFB
33MS 33MS
IC808 VOXSW VOXSW VOXSW
HA1630D03MM BBTXD BBTXD BBTXD
BBCLK BBCLK BBCLK
AF AMP BBRXD BBRXD BBRXD
BBCS BBCS BBCS
BBIRQ BBIRQ BBIRQ
VOXM VOXM VOXM
12.0MHz 12.0MHz 12.0MHz
SIDETONE SIDETONE SIDETONE
TXTONE TXTONE TXTONE
NARROW NARROW NARROW
WIDE WIDE WIDE
MOD2 MOD2 MOD2
RSSI RSSI RSSI
ASQL ASQL ASQL
VOX VOX VOX
SB SB SB
33B 33B
PTT PTT
+B +B
50T 50T
50V 50V
50R 50R
TMP TMP
50C 50C 3.8V
R60
TX TX L33 470
PDSW PDSW 15n
DCSW DCSW C91 L34 C82 R61
APCSW APCSW 15p 18n 10p 68k
MICM 2.1V
50M Q2 2.4V
2SC5636
D3,5,10 DOUBLER
FREQENCY
CONTROL MCH3914(7)-H
/RX VCO RX VCO
L2 L3 D5 C42
10u 1SV325F 47p
EXTMICSW
AFSW VCO
SPEED UP
33M
D14
HSC119
5.0V R27
5.0V
10M D6-9,11 D12
R16
D8 FREQENCY MODULATOR
10 CONTROL /TX VCO
CV(A) /TX VCO MCH3914(7)-H
1SV323F TX VCO
L4 D9 C43
10u 1SV323F 82p
7 24 R19 R20
CP2 LD CPVSS
8 23 R17 1.2k 0 R98 220k
PDN2 SWIN RXAST RXAST
9 PLL SYSTEM 22 470 C98 220p
PDN1 CPZ VCO SPEED UP
10 IC1 21
REFIN AK1541 CP AF AMP R99 D15
11 20
TEST2 PVSS IC3 100k HSC119
12 19 R14 TC75S51FE(F)
TEST3 BIAS TXAST TXAST R28
22k 4 3 R29
oUT IN- 10M
2 1.2k
3.2V VSS
R15 5 1
33MS VDD IN+ RIPPLE
10 FILTER
5.0V
Q3
50C KTC4075E(Y,GR) L13
RIPPLE
FILTER
MODTCXO
MOD1
MOD2 MOD2
16.8MHz TX
50C
+B
DACCE 50T
PDSW
DCSW
APCSW
PC/BPF PC/BPF
50V
OPTDET OPTDET
PTT/RXD PTT/RXD
TXD TXD
50M 50M
R890 R892 33M 33M
50R
C881 27k 0
0.1u DC AMP R:5.0V
T:0V
C884 IC811
TC75S51FE(F)
1u
1 5
IN+ VDD
2
VSS
C965 1800p 3 4 C415
IN- oUT
24 R947 10k R897 10k 47p
MoD2 R410 C410 L402
23 C873 0.7V
MoD1 330k 22p 100n FM IF SYSTEM
22 C888 100p R898 0 1000p
AVSS1 R884 16.8MHz 16.8MHz IC401
21 R893 0 R902 Q403 TA31136FNG
MIC 560k KTC4080E-P
20 C885 R896 10k 1
MICFB 120p 82k TRIPLER oSCIN
19 2
ALTFB oSCoUT
18 C886 R894 C413 3
ALT 220p 100k R899 C892 W:0V MIXoUT
17 N:3.3V 0.1u 4 N-REC
DISCFB 470k 1u 5 16 VCC N-DET
16 C887 R895 RSTN VIN3 C414 5
DISC 100p 220k R900 C893 6 15 C958 NARROW IFIN
15 CSN VoUT3 CF401 0.1u C418 6
GPIo2 470k 1u 7 IC817 14 1u L72-1012-05 DEC
14 SCLK AK2331 VoUT2 C403 C405 0.1u 7
8 13 W\N SW W\N SW FILoUT
13 0.1u 0.1u R417 8
SDATA VIN2 D401 D402
KDS121E-P KDS121E-P FILIN AFoUT
390k
IC817 WIDE
CF402
ELECTRICAL L72-1010-05 R419 C419
VOLUME C404 C406
C954 C956 330k 39p
0.1u 0.1u
0.1u 0.1u 4.8V
C957
3.3V
C882 2.2u
5.0V
1000p
W:3.3V
LSDO N:0V
DISCFB
VOXSW VOXSW
DETAF DETAF
AUDIO AUDIO
MICM MICM
VOXM VOXM
EXTMICSW EXTMICSW
SIDETONE AFSW AFSW
TXTONE
NARROW NARROW
WIDE WIDE
MOD2 MICFB MICFB
RSSI RSSI
ASQL ASQL
VOX VOX
SB SB
PTT PTT
TMP TMP
R203 R206 R211 R213
330 2.2k 680 1.2k
RF AMP R:0V RF AMP R:0V
R:2.1V TX/RX
1.2V Q9 T:2.1V RF SW T:1.3V Q201 T:1.1V Q203
2SC5636 2SC5636 2SC4926YD
C72 C73 C77 D18 C201 R238 C206 L201 C258 C209
10p(D) 15p(J) 18p(G) HSC277 18p 18 1000p 100n 12p 39p
RF BUFFER AMP 1.2V
VCO/RX 0.9V Q8 R:0V R:0V
2SC5636 C71 T:0.7V
Q4 R44 T:1.0V 3.1V
33p(J)
22 TX/RX
RF SW
R:4.2V
T:0V
4.9V
C55 R46
0.5p(B) 150k
PDSW
R:0V 50T
T:4.2V
VCO/TX H:2.9V R:0V
R45 L:2.5V T:4.9V
Q5
22
DC SW R303 R308
R:3.3V Q301
T:0V RT1N140U 560 1.8k R314
C56
R301 470k(D)
0.5p(B) COMPARATOR(APC)
0
C308 NJM2904RB1-ZB
10p 1
PROTECT AoUT
R311 2
A-IN
150k(D) 3
A+IN
4
TX/RX SW GND
4.2V R312
Q7
SSM3J05FU-F 150k(D)
Q6
SSM6L05FU-F
7.5V
TX
R:0V
T:3.3V
TX/RX SW
DC SW
R306
50T Q304
4.7k RT1N141U
50C R:0V
+B +B R:3.3V Q303 T:3.4V
50T 50T 2SK1830F
PDSW PDSW T:0V DC SW
DCSW DCSW
APCSW APCSW
PC/BPF PC/BPF
50V 50V
OPTDET OPTDET
PTT/RXD PTT/RXD
TXD TXD
50M 50M
33M 33M
50R 50R
R:5.0V
T:0V C896
1u
CURRENT
R437 L408 L410 D807 STEERING
KDR731 MIC AGC
4.7k 56n 56n
C897
C444 C447 0.47u
2p(B) 3p(B)
BPF
R:0.6V
T:0V C898
0.47u
16 C429 R433 XF401
MIXIN L71-0655-05 D808 CURRENT
15 33p 470k 49.95MHz KDR731 STEERING
GND C433 R434 R435 C439 L409
14 R:3.2V
0.01u 270 100 0.01u 270n T:0V
13 Q405 MIXER
KTC4080E-P
12 IF AMP Q406 R445 C455 C456 MICM
RSSI R438 3SK318
11 C424 CD401 0 1000p 8p(B) Q809
IFoUT ASQL 1.2k R:3.2V C452 KTC4075E(Y,GR)
10 82p T:0V 1000p
QUAD L79-1848-05 C445 AGC CURRENT
9 STEERING
12p
R424
2.7k
R903
100
R421
3.3k
RSSI Q808
2SK1830F
VOX AMP
33M
VOXSW VOXSW
DETAF
AUDIO AUDIO
MICM MICM MICM
VOXM VOXM VOXM
EXTMICSW EXTMICSW
AFSW AFSW
MICFB MICFB MICFB
RSSI
ASQL
VOX VOX VOX
SB SB
PTT PTT
TMP TMP
L215 D201,202
FINAL AMP
6T ANT SW
Q205 STRIP LINE
DRIVE AMP RD07MUS2BT112 L212 L213 L214 C240 C263 C243 D201 C247
TX
PRE DRIVE AMP Q204 C222 R229 3T 5T 5T 1000p 5p(B) 1000p HVC131 1000p
RD01MUS1-T113
100p 4.7 D202
C215 R217 C217 L206
R230 HVC131
22p 12 1000p 39n
4.7
H:2.0V H:1.0V
L:1.7V L:0.8V
R227
0
H:2.9V
L:2.5V R:0V
T:0.8V
50T 50T 50T
50R RX(VHF)
R315
R:5.0V
10k T:0V R:4.2V
T:0V
IC301
DC SW
8 R318 Q306 RF AMP
V+ RT1P441U Q407
7 470k C459 C461 C466 C467 R448 3SK294-FP R:3.0V
BoUT T:0V
6 1000p 1000p 3p(B) 4p(B) 47
B-IN R457 C478 R458 C482 C484
5
B+IN 47 18p 0 4p(B) 3p(B)
D404,405
DC SW BPF TUNING
R317
Q305
0 2SK1824-A PC/BPF D407,408
BPF TUNING
PC/BPF PC/BPF
50V 50V 50V
OPTDET OPTDET OPTDET
PTT/RXD PTT/RXD
TXD TXD
50M 50M
33M 33M
50R 50R
R910 C909 R912
MICI MICI
AGC 10k 1u 0
Q810
2SC4116(GR)F
R906 5.0V
1k
LEVEL LEVEL
CONVERTER CONVERTER
Q816 Q815
UPA672T-A UPA672T-A
R907
CURRENT
2.7k STEERING
Q811 D810
2SA1586(Y,GR)F MC2850
R936
AGC R908
DC SW
100k EXTMICSW 0
Q820
R909 1M RT1N141U
C907 47p R929 1k PTT/RXD
VOX AMP R928 27k OPTDET
D809 IC814 AF AMP
KDR731 TC75S51FE(F) R924 AF AMP Q818,819
ON:7.4V ON:3.5V
C904 4 3 OFF:0V IC815 470k OFF:0V MUTE SW
oUT IN- TA7368FG R930 100
0.47u 2 DC SW Q818 Q819
VSS 1 10 2SK3577-A 2SK3577-A C926
5 1 VOX SW Q814 NC1 PoUT
VDD IN+ 2SA1362-F(GR) 2 9 100u6.3
Q812 VCC PW-GND
2SK1830F 3 8
NC2 PRE-GND
4 7 C924
VIN PHASE
5 6 100p
3.3V 33M RIPPLE NF
C908 1000p AF AMP
ON:3.3V AF AMP
VOXSW OFF:0V
AUDIO AUDIO DC SW
Q813
RT1N141U
EXTMICSW EXTMICSW AF AMP
AFSW AFSW ON:0V
OFF:7.4V DC SW
C922 Q817
RT1N441U
0.1u
7.5V
SB SB
PTT PTT PTT
L219 L220 L221
ANT
6T 9T 8T
C249 C253 C256
13p(G) 4p(B) 5p(B)
R240 R234
0 0
D203,204
ANT SW
C487 C489 L420
10p(B) 33p 56n
J801
MICI
MICO
50V
SP/MIC JACKS
AE J802
TXD
SPI
SPO
TX-RX UNIT
(X57-7780-10)(C/3)
MIC801
MIC
SPEAKER