Kenwood TK-3148 Service Manual page 67

TK-3148
SCHEMATIC DIAGRAM / 原理图
TX-RX UNIT (X57-6413-01)
4.88V
R403 RESET
BATT 7.50V 330k
F400 5M AVR
L400 +B
IC401
7.50V 7.50V 7.20V XC6204B502MR 5M 5.04V
SURGE D405 1 5
ABSORPTION VIN VOUT
RB521S-30 2
5M PROTECT VSS
CN400 3 4
CE NC
14 +B +B
13 +B
12 SB IC400
SB XC61CN4202NR
11 SB CP400 DETECTOR
47K*2 DETECTOR
10 EN4 IC404
5MS
9 EN3 XC61CN5002NR
5C AVR
GND
8 CP401 IC403
47k*2 XC6204B502MR 5C
7 EN2 5 5.05V
6 EN1 1
VIN VOUT
5 VOL R400 IC402 2
XC62GR5012PR 5.04V VSS
3 4
4 5M 10k 5.0V 1 5 CE NC
3 GND NC VOUT
5MS SWITCH 2
2 AUXKEY VIN Q406
3 4 2SJ347
CE VSS
BATT 1 S_DET
DET Q400
AUX 2SJ347 SAVE SWITCH
KEY 5CNS AVR
R404
5C
1.0M SAVE
5MS INT
PROTECT T:3.44V 5TC
Q401 5MS SWITCH 5T
SWITCH R:3.66V 2SK1830
R401 +B +B
470k(D) 5R
SB
5MS 5MS
5M 5M
EVSS
5CNS
RESET
Q404
T:0V 5CNS
R:4.88V 2SJ347
T:0.23V
Q403,404 R:4.84V
5T SWITCH
5R SWITCH R408
Q405
KTA2015(Y) 4.7k
T:5.02V
R:0V
T:4.63V
R:0V
Q403
DTC144EE 5R 5T
5RC
X500
3.579545MHz
L77-1708-05
R520 4.7k
CN500
R519 1.0k
XOUT 1
2
GND
AFCLR 3
R506
AFRDT 4
T:4.90V T:4.89V
0 34 22 R:5.04V 5
STB R:5.04V AFRTM
C507 35 VSSD 21 R523
VSSA VDDD AFTRD 6
0.01u 36 20 47
AFMSKE 7
R501 C502 MSKST VDDA
37 19 8
91k(D) 0.1u PWROP TXFI CLK
R502 C503 38 18 C527 0.1u
PWRON BASE BAND IC CMPO AFDAT 9
68k 0.01u 39 17 C528 0.1u
IC500 AFREG2 10
(D) PWRGS TC35453F CCHG
C504 40 16 11
PWRIN COMPIN AFREG1
C501 0.01u 41 15 C525
EXPO ALCO AFSTB 12
0.1u C508 42 14 0.1u
5CNS 13
ECHG CALC
0.1u 43 13 MMUTE 14
EXPGS MICGS TX AF MUTE
44 EXPIN 12
MICIN 5TC 15
R531 5C 16
R504 180k GND 17
91k(D) MICI 18
IC501 PTT 19
AF AMP,FILTER TC75W51FU
R509 ME 20
C526 C531 1 8
0 21
ME
5600p 0.015u 2 7 R537
(J) - + TXHSD 22
3 6 0
RX AF MUTE + - GND 23
4 5
T:5.01V Q500 24
R:0V DTC144EE TXAF
RXAFI 25
C511 C516 R533 5RC 26
5600p 150p 100k 27
HSDIN
(J) R516 R518 C524
RXAFO 28
180k 22k 1000p
GND 29
MIS INPUT C541 30
PROTECT GND
T:0V
0.056u
C517 R:5.01V
0.1u
C518 Q502 MIC MUTE
2SK1830
0.033u
T:3.60V
C30 C60 R:0V
C22 10p 1000p
C700 D5
D1,3,7,8 D8 0.5p(B) TX VCO
4p TX VCO
HVC376B C31 MODULATION
L5 C25 L6 L8 D3 9p L15 C42 C47
15n 10p 39n 100n HVC376B (B) 39n 4p(B) 0.5p
PLL IC (B)
TX VCO
IC1 OSCILATION T:0.80V
CP1 CD8468 R:0V
1k*2
Q1
UL 1 20 5.05V 2SC5108(Y)
CP CLoCK VDD
2 19 F IN RF AMP
DATA TEST
DP 3 18 C17 0.1u
STRoBE LoCK Q3
EP L9 C68 R13 R15 2SK508NV(K52)
4.87V R34 4 17 R4 8.2k
X1 CP2 VSS RF 4.7u6.3 47k 47k VCO SWITCH
L77-1871-05 1k*2 0 5 16 R5 33k
RFIN RN T:0V
R35 1 4 C2 6 15 C18 0.1u CV Q4
VC VCC RFIN VDDA R:3.68V 2SJ347
D2,4,9,10 R19
0 1000p 7 14 R8 1.0k R9 L7 D10
L1 VCCP PHP RX VCO 100
2 3 C8 8 13 0 HVC376B
GND OUT REFIN PHI D4
4.7u 1000p 9 12 L10 C33 L16 C38
RA VSSA
100n HVC376B 22p 47n 3p(B)
16.8MHz 10 AUXIN 11
PHA RX VCO
OSCILATION
T:0V
R:0.91V
Q2
2SK508NV(K52)
5C 5C 5C
SAVE SAVE SAVE
INT INT INT
5TC 5TC 5TC
5T 5T 5T
APC
TUNE
+B +B +B
5R 5R 5R
SB SB SB
5MS 5MS 5MS
5M 5M 5M
CLK CLK CLK
DATA
EVSS EVSS EVSS
5CNS 5CNS 5CNS
RESET
AF AMP,FILTER 5.04V
IC300 POTENTIAL METER
TC75W51FU AF BUFFER IC307
M62364FP
1 8 C302
V REF VDD 1 24
2 0.1u VIN1 VIN8
2.00V 7 2 23
- +
3 6 VOUT1 VOUT8
+ - R326 3 22
4 5 VOUT2 VOUT7
VSS 0 4 21
VIN2 VIN7
5 20
5.04V
AF AMP,FILTER VDD GND
D300 TUNE R397 6 19
2.01V RB706F-40 HSD BPF IC303 LD RESET
R302 TC75W51FU 0 7 18
C730 HSDI1 C313 CLK VDAref
39k 1 8 8 17
VDD 100p DI DO
5RC 2.2u6.3 AF AMP BIAS
R308 C306 2 7 R316 R319 C320 9 16
- + VIN3 VIN6
4.7k 0.1u R313 R315 3 6 100k 47k 0.1u 10 15
+ - VOUT3 VOUT6
10k 4.7k 4 5 11 14
VSS VOUT4 VOUT5
12 13
VIN4 VIN5
C390 5.05V
0.1u
V_REF V_REF
DSTB
5.04V
CN300 R320
1 XOUT
C318 56k LSD SUM
2 GND
220p IC305
3 AFCLR TC75W51FU
3 LSD BUFFER
4 AFRDT TO TCXO R323 1 8
4 VDD
5 AFRTM IC302 82k 2 7 R328 R332 C330 R341 R343
5 TC75W51FU 5.05V - +
6 AFTRD 3 6 100k 470k 0.1u 10k 10k
6 1 8 + -
7 AFMSKE VDD 4 5
7 2 7 VSS
8 CLK
3 - + 6 AF PREAMP
9 AFDAT + - LSDI
9 4 5 AF AMP,FILTER
10 AFREG2 VSS 2.01V
10 R318
11 AFREG1 100k V_REF
11
AF AMP,FILTER
12 AFSTB
12
13 5CNS
LSD LPF
14 MMUTE R322 5.04V
14
15 5TC 150k IC306
R324 TC75W51FU
16 5C
330k 1 8
17 GND VDD
R325 2 7 C325
18 MICI - +
330k 3 6 0.012u DSTB
19 PTT + -
4 5 R330 R334 R340 R342 BEEP
20 ME VSS LSDO
180k 180k 10k 22k
ME
21
AF AMP,FILTER
22 TXHSD
23 GND
TXAF HSDO
24 XOUT
XIN
25 RXAFI HSD LPF
C322 5MVCC
26 5RC
0.01u
27 HSDIN BSHIFT
4 3
X300 EEPROM
28 RXAFO 2 9.8304MHz
VSS L77-1810-05 IC310
29 GND 5.0V AT24C16N10SI18 5CNS
5 1 R327 R333
30 GND VDD R348 1 8
5.04V 47k 47k VCC
A0
IC304 4.7k 2 7
TC75S51F Q300 A1 TEST
3 6 V_REF
AF AMP,FILTER 2SC4649(N,P) A2 SCL CLK
BEET 4 5 SPOUT
GND SDA
SHIFT
SWITCH
RXAFO RXAFO
EVSS
HSDI1 HSDI1
RESET RESET RESET
5RC 5RC 5RC
ME ME ME
PTT PTT PTT
AFOUT AFOUT
MICI MICI MICI
PRE-DRIVE AMP PRE-DRIVE AMP
C106
TX/RX COMMON RF AMP T:1.93V D100,101 T:87mV R102 C103 R106 8p
BUFFER AMP
T:1.86V Q8 R:2.06V TX/RX RF SWITCH R:0V
T:0.72V R:1.86V 2SC5108(Y) 47k 8p 1.5k
R:0.76V Q5 C57 R33 D101 C101 Q100
2SC5108(Y) C51 C53
T:1.25V 1.5p(B) 0 HSC277 470p 2SC5108(Y) Q101
9p 33p T:0.97V 2SC5192
R:1.31V T:4.86V T:2.67V R:0V
R:4.85V R:0V
T:3.90V T:67mV T:4.39V T:0.63V T:4.59V
R:3.88V R:0V R:0V
R:0V R:0V
T:0V 5T
R:4.89V
RIPPLE FILTER
L22
R24
T:0V
Q7 R:2.80V R230 L205 L206 C244
1.0k 2SC4617(S) T:2.89V
0 22n 22n 4p(B)
R:2.91V
Q6
RN47A4 C236 C240
VCO SWITCH 2p 1p
RIPPLE
FILTER
SWITCH
5C
SAVE SAVE
INT
5TC 5TC 5TC
5T 5T 5T
APC APC APC
TUNE TUNE TUNE
+B +B +B
5R 5R 5R
SB SB SB
5MS 5MS 5MS
5M 5M 5M
CLK CLK CLK
DATA DATA DATA
PF PF PF
EVSS IC308
FLASH ROM AT29C040A-90TI
or W29C020C90
17 16
A3 A3 A4 A4
18 15
A2 A2 A5 A5
19 14
A1 A1 A6 A6
20 13
A0 A0 A7 A7
21 12
D0 IO0 A12 A12
22 11
D1 IO1 A15 A15
23 10
CP300 D2 IO2 A16 A16 5MS
1k*2 24
EN4 GND NC 9 A18
25
EN3 8
D3 IO3 VCC
76 50 R352 1.0k 26 7
EN3 A18 A18 D4 IO4 WE WR
CP301 27
EN2 1k*2 77 49 CP319 D5 IO5 A17 6 A17
EN2 A19 1k*2 28
EN1 78 48 5
EN1 CSO CSO D6 IO6 A14 A14
79 47 29 4
D7 CP302 D7 CS/MODE 12 D7 IO7 A13 A13
1k*2 30
80 46 CSO CE A8 3 A8
D6 D6 SELF 31
CP303 81 45 2
D5 1k*2 D5 SAVE A10 A10 A9 A9
82 44 R623 32 1
D4 D4 WR WR RD OE A11 A11
5.04V
CP304 83 43 0
D3 1k*2 D3 BHE C341 L301
84 42 CP320
D2 D2 RD 1k*2 RD
CP305 85 41 L302 0.01u
D1 D1 BLCK
1k*2 5.03V
86 40
D0 D0 HLDA W/N
87 MPU 39 R614 47k SHIFT REGISTER
PF HOLD
88 IC309 38 R615 47k IC311
VOL VOL ALE BU4094BCFV
89 30620M8A-2N3GP 37
CP306
1k*2 BATT2 RDY CP322 1 16 5.00V
BATT2 90 36 1k*2 STRB VDD
BATT1 BATT1 CLK 2 15
91 35 DATA SOE
ASQL DAT 3 14
92 34 R617 47k CLK W/N
T:0.23V
TEMP RXD RXD 4 13 R:4.84V
93 33 TXD LEDR 5TC
RSSI TXD CP318 5 12
C335 94 32 1k*2 R353 LEDG BSHIFT
LSDI AVss DTCLK 6 11
0.01u 95 31 R618 47k 1.0k LCDBLT
T:1.03V DTMPD
R:0V(ON) LSDI DTMDAT 7 10
96 30 CP323 MMUTE NC
:2.71V(OFF) VREF UL 47k*2 8 9
5.04V 97 29 VSS QS
AVcc AUXTXD
98 28
SFTSTB SIDE1 SIDE1
99 27
OE SIDE2 SIDE2
100 26 SHIFT REGISTER
AFSTB PTT
IC312
BU4094BCFV
CP324
47k*2 1 16
STRB VDD
AUX 2 15
DSTB DATA SOE
3 14
BEEP 7 CLK AFREG2
LSDO 6 4 13
5 AM1 AFREG1
R346 4 5 12
47k L303 NC AFCLR
6 11
T/R AFMSKE
7 10
DM NC
HSDO 8 9
XOUT
XIN VSS NC
5MVCC 5MVCC
BSHIFT BSHIFT BSHIFT
5M 5M
5CNS 5CNS 5CNS
OE OE
SFTSTB SFTSTB DM
HSDI HSDI
ASQL ASQL
RSSI RSSI
V_REF V_REF V_REF
CLK CLK CLK
SPOUT SPOUT SPOUT
AM
LEDR
LCDBLT
EVSS EVSS LEDG
HSDI1 HSDI1 HSDI1
RESET
5RC 5RC 5RC
ME ME ME
PTT PTT PTT
AFOUT AFOUT AFOUT
MICI MICI MICI
D102
TX FINAL AMP D102,103
HVC131 ANT SWITCH
TX DRIVE AMP Q106 STRIP LINE L710 C146 D103
L116 L199 2SK3476
Q103 C164 1.8n 2.7n 6.8n 39p HVC131
R111 C160 L114 L115 2SK2596
18 1000p 8.2n 8.2n 33p
(G) T:1.9V(H)
:1.23V(L)
R:0V
T:4.60V
T:6.8V(H) T:6.8V(H) R:0V
:7.23V(L) :7.23V(L)
R:7.5V
R:7.5V
T:0.94V(H) D104,105
:0.588V(L)
R:0V R114 T:0.80V ANT SWITCH
R:0V
100k T:3.60V R147 R152 C154
R:0V
0 0 12p
5T
APC SWITCH APC SWITCH
R138 R140
Q104
0 R131 1.0k Q108
DTC114EE DTA144EE
APC PROTECT 150k(D) R134 R139
R124 C128
10k 1M
0 T:7.09V
100p
R:7.49V(ON) 1 8
:7.50V(OFF) OUT1 VCC
APC SWITCH R127 2 7
IN1- OUT-B
150k(D) 3 6
Q105 IN1+ IN2- APC SWITCH
DTC114EE R128 4 5 R142
VEE IN2+
150k(D) 100k
C136 Q107
T:0V 2SK1824
R:7.24V(ON) IC100 T:0.38V
470p TA75W01FU R:7.21V(ON)
C122 :7.25V(OFF) :7.22V(OFF)
APC AMP
5TC 470p
5T
APC APC
TUNE
+B
5R 5R
SB R265
Q206
330k XF200 BPF
CLK T:0V T:0V 44.85MHz FRONT-END
DATA R:0.72V L71-0530-05 1ST MIXER
R:4.65V T:0V D204
PF C229 R227 OUT IN C231 R228 L701
R:1.74V BPF TUNING
0.01u 330 0.01u 330 270n
Q205 Q206 C294 R276 R238
T:0V 3SK318
2SC4649(N,P) R254 R232 R:0.42V 56p 0 0
T:0V
IF AMP 47 1k
T:0V R:1.75V
R:4.74V
TUNE TUNE TUNE
CLK CLK CLK
DATA DATA DATA
PF PF PF
SB SB
5MS 5MS 5MS 5MS
X200 IC200
W/N SWITCH 44.395MHz TA31136FN IF IC
Q201 L77-1760-15 C211 C212
DTC144EE 1 16 R253 C225
1000p 22p 4.25V OSCIN MIXIN
R218 L201 2 15 0 0.01u
OSCOUT GND
12k 1u 3 14
R:0V(W) MIXOUT N-REC 4.87V(W)
4 13 0V(N)
T:2.62V(N) C210 VCC N-DET
0.1u 5 12
R:0.39V(W) IFIN RSSI ME ME
CF201 C214 6 11 C221
T:0.52V(N) L72-0934-05 W/N SWITCH Q202 SSW
DEC IFOUT RN47A4
CF200 D202 D203 0.1u 7 10 68p R255 R264
L72-0962-05 DAN235E DAN235E FILOUT QUAD
8 9 2.7k(D) 180
FILIN AFOUT
R256
R:0.39V(W) 47k
W/N SWITCH T:0.53V(N) SB
W/N SWITCH
W/N W/N Q303 D305
AF AMP AVR AF AMP AVR
Q203 Q302
2SK1824
4.94V AF AMP AVR SWITCH
R367 C353 T:0.15V
R:6.64V(ON)
AF DETECT Q204 12k 0.1u :0.15V(OFF)
SWITCH 2SK1830 Q303 AF POWER AMP
L904 2SB1132(Q,R)
DM SWITCH IC313
R223 TDA7053AT
Q308
D209 180k 1 16
T:0V INT/EXT NC1 OUT1+
MA2S111 R:4.92V(ON) Q302 SWITCH 2 15
:0V(OFF) 2SC4617(S) VC1 NC4
DM CHARGE/
C215 DISCHARGE SWITCH 3 14
NC2 PGND1
R359 Q308 4 13
15u6.3 15k C346 2SK1824 VI<1> OUT1-
5 12
47p VP OUT2-
5.04V
T:1.97V 6 11
R:1.97V(ON) R266 R219 VI<2> NC3
C356 7 10
:2.36V(OFF) 2.7k 220k SGND PGND2
R267 R362 47p 8 9
VC2 OUT2+
D301
330k 2.00V 47k CP327
C201 AF AMP D301 C348 47k*2
PROTECT
0.1u 1SS373 0.47u
Q208 C217 R206 C205 5M
SQL RECTIFICATION 2SC4617(S)
NOISE AMP 120p 82k 0.1u
R361
T:1.09V
T:0.25V 1k T:4.99V
R:0V(ON) R:0.25V(ON) R:4.99V(I)
:0.92V(OFF) PROTECT
:2.22V(OFF) :49.9mV(E) C354 Q307
D200 R200 0.1u UPA672T
HVC131 220k R259 C275 R214 C209 R368
AF AMP,FILTER Q301 MSW
SQL 2SJ347 Q305 1.0k
47k 100p 82k 120p UPA672T
VOLTAGE C243 R260 C253
CHARGE MIC MUTE
D303,307
1000p 22k 0.1u
PROTECT
Q305.307
C344
R357 10u6.3 C352 INT/EXT SWEITCH
5M 5M
5CNS 5CNS 470 0.1u
EMC
DM DM
HSDI HSDI
ASQL ASQL
RSSI RSSI
V_REF V_REF
SPOUT SPOUT
AM AM
LEDR LEDR LEDR
LCDBLT LCDBLT LCDBLT
LEDG LEDG LEDG
HSDI1 HSDI1
5RC
ME ME
PTT PTT PTT
AFOUT AFOUT
MICI MICI
C149 L110 L111 L112
ANT
470p 4T 4T 4T CN13
C151 C153 C156
2p 3p 4p
LCD UNIT
CN302
14 GND
L320 13 VCC
R603 12 CS
12
470 R604 11 SCLK
R605 470 10 SID
470 R606 9 SOD
R607 470 8 VEE
470 R608 7 SKEY
7
R609 470 6 AKEY
6
470 R610 5 BKEY
5
R611 470 4 CKEY
4
470 R612 3 LEDA
R613 0 2 LEDK
0 1 NC
FRONT-END RF AMP
5R
T:0V
R:4.87V Q207 T:0V D207
3SK318 T:0V
R:1.47V BPF TUNING
R:4.82V
D205,206 C261 R273 C270 C267
BPF TUNING 12p(G) 0 3p 6p
T:0V (B)
C249 C251 C292 C289 C295 R:0.89V C269
2p 2p (B) 2p 1p 470p R252
(B) 47 4p
(B)
T:5.05V
R:2.54V
TUNE
CLK
DATA
PF
L304 CN305
5MS
R:5.01V
T:4.99V(ON) SP
:5.00V(OFF)
CN306
MIC
ME CN301
14
SSW SSW
13
SP+
12
SP-
L313 11
MSW
L312 R385 47 10
EMC
SB 9
ME
L307 R383 100 8
PTT
L308 R378 100 7
PF
D308 6
NNCD6.8G NC
MIC INPUT PROTECT 5
E
L309 4
5M
L310 R380 100 3
TXD
L314
L311 R381 100 2
RXD
1
NC
D302 D306
DA221 DA221 D302,306
L315
SURGE ABSORPTION
L317
C375
47p R363 R369 R373 R376
R388
470k L316 120k 56k 120k 10k
TH300 -t 150k
LCD AVR
C350 L305
Q304 1.82V
2SC4617(S) 3.3u4 L306
5M
MSW
T:7.19V LAMP ON:5.12V
R:7.48V(ON) Q309
:7.49V(OFF) BUSY LED SWITCH LCD LED AVR
Q306
TX LED SWITCH LR LG LBL Q311 CN303
2SA1362(Y) PTT
T:4.96V Q306 Q309 SW1
R:0V 2SC4617(S) 2SC4617(S)
T:0V
R:4.94V(ON) S600
:0V(OFF) SW2 PTT
R391
330 Q310 GND
EMC 2SC4617(S)
R386
CN304 S601
330
C369 SW1
100p
LEDR
LCDBLT S602
LEDG Q310 SW2
D309 D310 LCD LED
TX RED LED RX GREEN LED AVR SWITCH
PTT
Note : The components marked with a dot ( ● ) are parts of layer1.