Kenwood TK-7160 Service Manual page 47

TX-RX UNIT (X57-7080-10)
R424
470
CV
C445
VOLTAGE
DROPPED 4.5p
Q421,422 RX VCO
D421 R421
CHARGE PUMP RX VCO R:5.98V Q441
8.2k Q421
HZU5ALL 2SA1832(GR) R426 R427 R429 L421 L441 D442 C441 L443 2SK508NV(K52)
Q422 270n 33n
R422 1k 2.7k 1.5k MA2S304 30p
2SC4738(GR)
10k
RX VCO
R401 1k
R402 1k
Q442 Q442,443
R403 1k R:0V
T:6.79V 2SJ347 T/R SW
Q443
R443 KRX102U
PLL SYSTEM 220
IC401
MB15A02
Q444
TX VCO
C458
X401 RF AMP 4.31V
TX VCO Q444 10p
1.52V L77-1944-05 5.0V 4.93V 6.89V Q431 L446 D444 2SK508NV(K52)
0.701V C453 L448
R404 R409 C413 C431 R431 2SC4649(N,P)
VC 5C 270n MA2S304 150p 47n
2.2k 100 0.1u 1000p 0
16.8MHz C414
L402
GND XOUT
10u6.3
10u
TX VCO
RIPPLE
TCXO FILTER
7.93V Q445 6.88V
2SC3928A
MODULATION
R408 R449 L451 R450
100k 100k 47k
4.96V
RIPPLE
FILTER
RIPPLE 7.58V
FILTER
R341
W:4.94V
100 N:0V WIDE
C343 CF301
L72-0993-05
R:7.21V
68p
L341 C341 50.4MHz 1 20
OSC(B) RFIN
IF SW IF SW 2 19
330n 100p OSC(E) GND
D332 D331
MC2858 MC2858 7.92V 3 18
CF302 NC Hy_C
L72-0999-05 C324 0.1u 4 17
MIX_O SCAN R307
R:0.64V Q341 5 16
2SC3928A VCC
SCAN 270k
BUFFER AMP 6 IF_IN 15
C323 7 SQLIN 14
NARROW 0.1u DEC1
FLAMPO
C322 0.1u 8 13
DEC2
FLAMPI
W:0V R323 2.2k 9 12
N:4.94V PH_S RSSI
R322 12k 10 11
C231
QUCO AFO
15u
6.3 IC321
TK14489V
FM IF
SYSTEM
L321
L34-4554-05
IC201
M62364FP
DIGITAL
POTENTIO
METER
5.01V
Q213
C223
2SK1830
0.1u
SB MIC MUTE
5M
CN2
1 1
SB I/O1
TXAFO
2 2
TXAFI O/I1
3 GND 3
D6 D8 RXAFI O/I2
4 DETO D4 D10 4
DA221 DA221 DA221 DA221 I/O2
DETO RXAFO
5 FNC1 R201 5
FNCI 5C C2
6 FNC2 120k 6 C3
FNC2
7 FNC3 C203 C222 7
VSS
FNC3 0.033u
8 FNC4 C202 Q201 0.1u
FNC4 DETO 2SC3928A
FNC5 IC213
9 4.7u6.3
FNC5 8C TX AF BU4066BCFV
10 FNC6 (DETO)
FNC6 R:7.9V QUAD ANALOG SW
11 FNC7 DUAL GROUND
FNC7 SENSE OP-AMP
FNC8
12 IC214 D212
FNC8 MC2858
D4-11 BA10358FV R216
SURGE 1 8 R218
oUT VCC R217 0
ABSORPTION 820 D211
CN3 2 7 100 AGC
-IN1 oUT2 1SS372 5.0V
1 IGN 3 6
IGN OR GATE C215
DATAI +IN1 -IN2
2 4 5 MIC AMP
DATAI VEE +IN2 0.1u
3 DETO IC211
DETO Q211
2SC4919 C214 39p NJM2100V
4 TXAFI
TXAFI AGC/MIC MUTE R214 330k 1
TXAFO R221 V+
5 L211 C218 R219 C227
TXAFO 5C R215 2
6 EMGMIC 4.7k
22k 0.1u 2.2k 3
R801 0.1u 2.5V
7 RXAFO
RXAFO 4
8 ALTI 100k
ALTI C219 R222
DUAL GROUND
9 RXAFI IC215 SENSE OP-AMP
RXAFI 0.1u 22k C213
BA10358FV
10 5C R223
5C 5 4 C220 0.1u
11 8C +IN2 VEE Q212
8C 6 3 0.1u 1k
2SK1830
-IN2 +IN1
7 2 EMERGENCY MIC
oUT2 -IN1
8 1 C230
5C VCC oUT
10u6.3
8.0V
VCO 1/2 DIVIDER
5.01V
IC402
UPB1509GV RF AMP
BUFFER AMP Q447 7.40V
5.92V 1 8 1.2V
Q446 VCC1 VCC2 2SC4649(N,P) L457 C480
R:1.15V 0.76V 2SC5636 C469 C470
2 7 C475 C476
C447 IN OUT 100n 100p
6p 2p 3 6 1000p 18p
IN SW2
0.3p 0.52V
4 5
GND SW1
RF SW
(TX/RX) R:0V
T:5.61V
D448
4.86V HSC277 C502 R503
1000p 18
6.88V
L452 R454
R445 0
1k
R:5.65V RF SW TEMPERATURE
R:4.78V T:0V
(TX/RX) COMPENSATION
T:0V
T:0.93V
C460
0.5p
C487
R462
1k 11p
Q445
TX/RX TX/RX
UL UL
TP
R:5.01V R:0.75V XF351
L71-0624-05 R:2.53V
C351 R354 C350 C349 L352
R353 4 1 R355
33p 100k 470 0.01u 0.01u 330 560n MIXER
R:6.30V
Q352
RF BPF TUNING
3SK318
D G2 C367 R364
150p 0
Q351 R:3.19V
2SC5488 C359 R:1.26V S G1
IF AMP 8p
R309
AFV 3.3k RECTIFICATION
SQL AMP
R:4.28V
Q301
2SC3928A C309
C306
FLAMPO FLAMPO
0.022u
1000p
R:1.10V D301
R:1.63V
MA742
RSSI RSSI
NARROW NARROW
WIDE WIDE
PLLE PLLE
DTM/HSDI DTM/HSDI
DT DT
CK CK
EVLLD EVLLD
DETSW DETSW
SCRSW SCRSW
HSDSW HSDSW
AFW AFW
5.0V
R269
14 68k
(D)
VDD
13
C1
12
C4 C264
11
I/O4 2.5V
33p
10 2.5V
O/I4
9
O/I3
8
I/O3
1 25 R259
AGNDIN DTRAIN
2 24 390k(D)
TXIN AMP4O
3 23 R258
TXINO AUDIO AMP4N
PROCESSOR C256 200k(D)
4 22
LIMLV AMP4P
5 21 330p
EXTLIMIN IC241 AMP3O
AQUA-L
5.0V 6 20 R257
MICMT1 MOD AMP3N
MICMT1 19 180k
LSDI 7
LOSDI VDD AMP3P C255
8 18
DTRLOADN VSS 56p
9 17
STD XIN
R254
Q241 R273 470k
R212 RT1P141U 180k
W/N SW / TX (D)
8 75k
7
6 R213
5 75k
C251 R252 C252
2.5V R251 R253
0.047u 47k 100k 0.1u 5.6k
C211
0.018u
R231
68k
MICEM MICEM
R:13.6V
T:12.5V
R522
330
PRE DRIVE AMP
Q503
RF AMP Q502 Q504
T:6.92V RD00HVS1 T:7.6V PD55003TR RD70HVF1-01
T:1.21V Q501
2SC3357 C509 C516 C517 C535 L507 L508
R517 L503 L504
C503
15p 27p 0 820p 27n 27n 100p 1T 2.5T
100p
FINAL AMP
T:0.43V
DRIVE AMP
T:2.62V T:2.37V
T:3.37V
R521 R524
18k 39k
COMPARATOR(APC)
IC651
TA75W01FU
5 VEE 4
6 3
VOLTAGE
PROTECTION 7 2
1
T:7.86V 8 VCC
R652
470
R659 R661 R662
470
47k 0
TX/RX TX/RX
UL UL
R:4.37V
RF AMP
Q353
D351,352 D353,354
R:6.96V 3SK318
RF BPF TUNING
C371 R369 D G2
C380 C384
2p 0
S
G1 R:2.84V 100p 1p
R:1.09V
C388 C391
7p 16p
R:1.69V
R:1.71V
R381
100k
8TC 8TC
SQIN SQIN
RSSI RSSI
NARROW NARROW
WIDE WIDE
PLLE PLLE
DT DT DTRLOADN
CK CK
EVLLD EVLLD STD
TCLK/DTRDO
TDATA/DTRCLK
DETSW DETSW
SCRSW SCRSW DIO
HSDSW HSDSW
AFM AFM RDF/FD
NICMT1 MICMT1
LSDI LSDI DIR
MICEM MICEM
LIMSW LIMSW
TEMP2
TEMP1
R130
R207 HSDI HSDI
L101
18k
4.97V
BSYLED
TXLED
R276 R277 DTMF/MSK DTMF/MSK
22k 22k
R255 R256 QT/DQT QT/DQT
150k 47k
ABS ABS
R235 47k
R240
R250
0
Q242 1M Q243
2SC4649(N,P) C234 X241 C236 2SC4649(N,P)
R238 R236 IGNITION
5p L77-1968-05 5p
47k 3.6864MHz 47k Q84
KRC414RTK
R96
1M
Q242,243
AQUA BEAT SHIFT
TEMP1
TEMP2
C560
1000p C626
ANT SW
C555 C603 3p
1000p D602 1000p
L602 L603 L604
MA4PH633 5T 5T 5T
POWER CN1
1
DI
2
T:7.02V DO
3
CE
4
CL
R4 3.3k 5
CM
6
D603,605
MBL
ANT SW D606 D607 D608 7
MA742 MA742 MA742 BSYLED
8
TXLED
9
DISPID
10
5C
11
8C
R655 R658 D651 12
SB
15k 0 1SS355 13
T:12.2V D606-608 POWER
14
APC R3 1k
D651 VOLTAGE HOOK
R2 100 15
TEMPERATURE DETECT PTT
COMPENSATION DA221 DA221
R5 16
5M D3 D1
22k 17
R1 0 18
5M
D1-3
SURGE
ABSORPTION
R125 R124
47k 0
C102
0.1u
C101
1000p
76 50
8RC AFM
CP2 1k
77 49
8TC FNC8 FNC8
78 48 FNC7
FNC7
SBC CP3 1k
79 47
LIMSW FNC6 FNC6
80 46 FNC5
DTRLOADN FNC5
81 45 CP4 1k
FNC4
STD FNC4
82 44 FNC3
TCLK/DTRDO CEFLS
83 43
TDATA/DTRCLK FNC3
84 42
HSDSW
DIO
85 41 R115
RDF/FD DETSW
86 40 47k
DIR SCRSW
87 39 R113
HSDI MICROPROCESSOR EMPFLS
88 IC101 38 47k
R126 LSDI NC
30622MEP-A01GP
1k 89 37 RXD
TEMP2 ABS
R127 90 36 R112 1k
TEMP1 HOOK HOOK
1k 91 35
BATT PTT PTT
92 TXD
RXD 34 SPM
RSSI
93 33 R110 1.5k R111
SQIN TXD 5M
0 94 32 R109 47k 47k
AVSS BSYFLS 5M
95 31 47k
CLKFLS R108 SAMPSW
NC
96 30
VREF FNC2 CP1 1k
97 29 FNC2
AVCC FNC1 FNC1
98 28
EEPDT
NC
99 27
BSYLED EEPCK
100 TXLED 26
EEPWP
8TC
PA
HOR
X86 EEPROM
R91 L77-1970-05 IC81
AT24C12810SU18
BATT 0 12.0MHz 1
8
DETECT A0 VCC
2 7
A1 WP
D81,82 3 6
A2 SCL 8RC
Q82,83 OVER VOLTAGE 4 5 R81
R:3mV 4.69V
BEAT SHIFT DETECTION GND SDA
R94 10k
1k Q83 Q82
2SK1830 2SK1830 R84 0
R83 0 R82
Q81 C81 1000p 10k
RT1N441U
OVER VOLTAGE INT
DETECTION
RESET
SBC
DISPLAY UNIT (X54-3510-10)
LCD
J1
R1
MBL
SB
GND 100 SURGE
PTT ABSORPTION
ME
MIC D20
MC2850
HOOK
CM KMO1
A <B C>
KMO2
CN1 CH CH
MIC UP DN
18
ME KMO3
17
GND VOL VOL S
UP DN
16
PTT
15
HOOK
14
POWER 49
32
13 NC SEG26
SB 50 31
12 KMI3 SEG25
8C 51 30
11 KMI2 SEG24
5C L1 52 29
10 KMI1 SEG23
NC 53 28
9 NC SEG22
TX
54 27
8 NC SEG21
BUSY 5.01V 55 26
7 NC SEG20
LCD CONTROLLER
BL 56 25
6 VDD SEG19
CM 57 IC1
LC75854W 24
5 VDD1 SEG18
CL 58 23
4 VDD2 SEG17
CE 59 22
3 VSS SEG16
DI CP1 60
21
2 R90-0724-05 OSC SEG15
DO 61 20
1 DO SEG14
DC SW DC SW 62 19
CE SEG13
Q7 Q8 63
2SC3928A 18
2SC3928A CL SEG12
64 SEG11 17
DI
T:3.71V
T:3.74V BUSY:3.71V R21
0
T:1.71V
R6 R7 R8
TX BUSY 10k 10k 10k
RED LED GREEN LED
D22
R14
B30-2151-05
TX/RX LED 47k
DIMMER
FUNCTION SW
Q1 D7 D8 D9
RN47A4
B30-2281-05 B30-2281-05 B30-2281-05
D1 D2 R17 D10 D11 D12
KEY
BACKLIT SW 39
B30-2282-05 B30-2282-05 LCD BACKLIT SW B30-2281-05 B30-2281-05 B30-2281-05
3.92V 7.84V Q3
D3 D4 Q2 D13 D14 D15
KRA225S 2SB1132(Q,R)
R10 R18 R20
330 39 0
B30-2282-05 B30-2282-05 B30-2281-05 B30-2281-05 B30-2281-05
D5 D6 C23 D16 D17 D18
R11
1000p
B30-2282-05 B30-2282-05 330
D21 B30-2281-05 B30-2281-05 B30-2281-05
D1-6 MC2850
D7-18
KEY BACKLIT DC CONTROLLER
LCD BACKLIT
Q4
KRC102S
DC SW
AF AMP
HOR PA
AUDIO AMP
IC281
LA4600
10 5 1
C293 R283 R284 C283 C287 R285
1u 68k 2.2k 0.22u 470u16 0
AF MUTE
R:3.13V
R281
SPM Q281
DTC363EU
4.7k
AMPSW
Q282
KRC102S
Q41 AF MUTE
DC SW (SB)
C52
Q45,46
1000p
Q45 D42 13.6V Q41 13.60V F41
DC SW (8T) 8T 1812L110PR F53-0246-05
12A02CH T:7.87V 2SJ645
Q46 R46
SB
KRC102S 1.5k 1.1A 4.0A
R47 CURRENT
8TC REVERS
R45 PROTECTION CONNECTION
10k PROTECTION
47k
VOLTAGE
12.6V REGULATOR/5V
7.98V
IC43
4.97V NJM78L05UA
8R
5M 1 3
VOLTAGE OUT IN
Q43 REGULATOR/8V
Q43,44 12A02CH COM
IC41
DC SW (8R)
8R 7.93V KIA7808AF 2
8C
R44 R43 3 1 R105
OUT IN Q42
Q44 KRC102S
KRC102S 4.7k 47k COM 1k
IC45 IC44
VOLTAGE DC SW (SB) BD4740G BD4740G
8RC REGULATOR/5V IC42 2
1 5 1
5.01V NJM78L05UA 5.77V 5
5C NC VCC NC VCC
1 3 2 2
OUT IN SUB SUB
COM 3 4 3 4
GND VoUT GND VoUT
2
VOLTAGE VOLTAGE
DETECTOR/INT
INT DETECTOR/RESET
RESET
SBC
0.64V
R28
39
0.64V
R29
39
0.64V
R30
39
0.64V
R31
39
CN6
1
2
3
4
5
6
J1
CN5
4.97V