Kenwood TK-3207 Service Manual page 54

TK-3207
SCHEMATIC DIAGRAM / 原理图
TX-RX UNIT (X57-6890-XX)
R9
0
R10 0
R11 0 C40
R5
3p
100k L8 C43
18n 10p
PLL SYSTEM
IC1
MB15A02
C30
4.82V
RIPPLE 470p
FILTER R8 C29
D1 0 470p
4.76V
MA2S111
C4
R15 R16 R21
0.01u 220 560
680
R7
100
VR1
R12-7491-05
4.9V
X1
L77-1931-05
L401 F401 R1 R2 R3 C3 1 4
VC VCC 4.7V
BATT
22k 10k 33k 1u
12.8MHz 0.71V
2 3 R12 C17 C25
BATT L1 R14
GND oUTPUT
4.7u
2.2k 47p 330k 2p
REVERSE TXCO
Q1
PROTECTION
KTC4082
TRIPLER
CN401
1 B
2 SB
3 SP1
SP2
4
5 GND
6 EN1
7 EN2
8 GND
9 EN3
EN4
10
EN5
11
R436 R404
R:3.70V
0 470k
R403 T:3.57V Q403 5T SW T:4.99V
(D) CPH3317
100
5V PROTECTION
IC402
XC6204B502MR
D401 5.00V Q404
5R SW R:5.01V
RB521S-30 1 5 CPH3317
VIN VoUT
2
R:7.56V
T:7.26V VSS
3 4
IC401,402
CE NC
VOLTAGE
REGULATOR/5V
5C SW
IC401
XC6204B502MR
Q405
R:7.28V 4.96V DTA123JE
1 5
T:6.80V R:4.83V
VIN VoUT
2
VSS
3 4
CE NC
L402
VOLTAGE DETECTOR/RESET
IC403 BD4840FVE
R407 1 5
PTT SW1 SW2
VoUT VDD
330k 2
SUB
3 4
NC GND
ON:4.92V ON:4.92V
OFF:0.01V OFF:0.01V
VOLTAGE
DETECTOR/INT
IC404 LED/RED LED/GREEN
BD4845FVE
D403 D404
R405 1 5 B30-2156-05 B30-2157-05
VoUT VDD
330k 2
SUB
3 4
NC GND LED SW LED SW
/RED /GREEN
Q401 Q402
DTC114EE
DTC114EE
5C
RXAFO
T:3.37V
L19
CV R40
D2,4,6,7 VCO OSCILLATION (TX)
FREQUENCY 220n 100
D6 RF BUFFER AMP
CONTROL
/TX VCO
2.74V HVC376B 0.72V
L9 R22 L24 L10 D7 * C52 * L16 * C64 C73
18n 0 100n 0.5p
HVC376B
VCO/TX (B)
Q4
2SK508NV(K52)
C50
Q2 10p
2SC5108(Y)
DC SW/TX VCO
PLL IC F_IN AMP
MODULATOR
TX MODULATION
R25 R26 C45 R31 L12 R34 R36
22k 10k 1u 470k 470k 270k
R30
R:3.4V
33k VCO OSCILLATION (RX) L18
R37
D8 DTA143TE
220n 100 DC SW/RX VCO
HVC376B
R17 L11
D9 * C55 * L17 * C65 C74
100 RIPPLE FILTER
100n 0.5p
HVC376B VCO/RX
D3,5,8,9 Q3 2SC4617(S)
C34 2SK508NV(K52)
FREQUENCY
CONTROL
1000p /RX VCO
CURRENT
STEERING
QTTCXO QTTCXO
PLL_UL PLL_UL
PLL_STB PLL_STB
PLL_DAT PLL_DAT
PLL_CLK PLL_CLK
B B
5T 5T
OSCIN OSCIN
SP1 SP1
SP2 SP2
5R 5R
5C 5C
EN1 EN1
ADDITIONAL PCB
EN2 EN2
MOD OUT
EN3 EN3
EN4 EN4
EN5 EN5
RX_W/N
R447
VCC VCC 12k
VSS VSS
R421
51 25
52 OPTDET 24
1k
AF_CONT
53 23
DTRLOADN STD
54 QTVCO 22
DIR
55 21
TDATA/DTRCLK
56 20
DI/O
57 19
SCLK
58 18
RDF/FD
4.95V 59 17
TCLK/DTRDO
60 16
VCC VCC VCC VCC
INT R419
61 15
C430 VCC
VSS VSS 62 MICROPROCESSOR 14 47k
VSS VCC
CP404 63 13
0.01u GND IC405
XIN L404
64 30622MAA-B89GP 12
GND VSS
65 11
47Kx2 XOUT
66 10
BSHIFT ON:4.95V
RESET
67 9 OFF:0V
68 8
BSHIFT R420
69 7
GND BEAT SHIFT SW
70 6 47k
BYTE
71 5
EEPCLK
LEDTX LEDTX 72 LEDTX 4
EEPDAT
LEDRX LEDRX 73 LEDRX 3
74 PF1 2
SIDE1 SIDE1
DTMF
SIDE2 SIDE2 75 PF2 1
PCTV EEPROM
IC406
BR24L08F-W
R415 1
A0 VCC
47k C431 2
R416
A1 WP
0.01u 3
BATT BATT 47k A2 SCL
5T_C 5T_C 4
5R_C 5R_C GND SDA
5C_C 5C_C
RESET RESET
INT INT
RXAFO RXAFO
4.96V
SB SB
PTT PTT
AF_CONT
OPTDET
5M 5M
T:4.81V RF AMP T:4.96V
R:0V C112
TX/RX R103 * C107 R112
T:2.846V
RF SW
47k 7p 0
C87 D101 C101 C102 Q101
4.62V 2SK3077
Q100
10p HSC277 470p 12p
2SC4619
Q6 3.86V RF AMP
2SC5108(Y) C78 C83 RF AMP
Q9
2SC4619
33p 15p
R:2.934V
T:3.002V
3.7V
TX/RX
R453
RF SW
22k
R:4.94V
Q5
T:0.58V
DTA143TE
L250
L22 T:4.96V
18n
R:2.87V
R:0.59V C290
T:4.94V T:0V
2p
(B)
Q7
APC SW
Q104
DTC114EE
4.0V
Q8
TH_DET TH_DET
DCSW DCSW
B B
5T 5T
APCSW APCSW
OSCIN OSCIN
SP1 SP1
RX LO1 RX LO1
SP2 SP2
5R 5R
5C 5C
C902 R901 MOD IN MOD MOD
1u 4.7k
Q901
2SK1824 GND
RX_W/N RX_W/N
TX_W/N TX_W/N
R316
120k
DTRLOADN DTRLOADN
STD STD
C312
12p
C315
1u
32
TCLK/DTRDO TCLK/DTRDO 10
TDATA/DTRCLK TDATA/DTRCLK 11 31
12 30
DI/O DI/O
R306 13 IC301 29
RDF/FD RDF/FD
AQUA
1k 14 28
X2 SCLK SCLK
R422 BEAT SHIFT SW AUDIO PROCESSOR
L78-1411-05 15 27
DIR DIR
1k C432 7.3MHz C435 Q408
R423 2SK1830 26
Q407 16
2SK1830 5p 0 5p
3.6864 MHz CLK
R426
XIN XIN
0
R301 C302 R304
EXTLIMIN EXTLIMIN
10k 27k C309 C313
270p
DETECTOR
82p
D301 120p
RB706F-40 R310 R313
8 R308
C311 390k 100k
7 AMP3O AMP3O
0
R424 R354 R355 C354 R357 1u
6 47k
10k 10k 0.1u 0
5
R314 C316
R425
47k C310 R311 10k 0.1u
PCTV PCTV 0.068u 12k
TXD TXD
MIC_MUTE MIC_MUTE
QT/DQT_IN QT/DQT_IN
RXAFO RXAFO
BUSY BUSY
RSSI RSSI
SB SB
PTT PTT
AF_CONT AF_CONT
OPTDET OPTDET
5M 5M
* R120
TX DRIVE AMP R:7.61V TX FINAL AMP
T:1.36V Q102 T:7.26V C123 Q103
L103 L104 33p * L107
R111 2SK2596 R123 2SK3476
8.2n
0 8.2n (G) 0
T:2.5V(H)
1.97V(L)
R126
2.2k
R135
150k
(D) APC SW
Q109
C140 IC101
DTA144EE
TA75W01FU
APC PROTECT
100p
1 8 C146
OUT1
VCC
R130 2 7 1000p
IN1- OUT-B
150k 3 6
(D) IN1+ IN2- APC SW
5
4
R131 VEE IN2+ Q108
APC SW 2SK1824
R141 PCTV
Q105 150k
2SK879(Y) (D) 100k
COMPARATOR
(APC)
R134
150k (D)
Q107
R:7.61V
DTC114EE
T:7.39V
APC SW
5T
RX LO1
5R
R:5.01V
T:0V
MCF
XF201
L71-0619-05
38.85 MHz
C231
oUT IN R219
2 1 0.01u 560
CF201
L72-0973-05
C213
0.1u
C320
R208 C210
0.01u
PCTV
R319 82k
W/N SW/TX 470p R:4.74V
56k FM IF
Q301 SYSTEM
DTA114EE
IC201
TA31136FN
R322
180k
R323
56k
R324 C329 C219
R329 R210 R216
100k 82k 1u 3.3k 33p 120k
R325
IF AMP
Q203
C328 100k
2SC4649(N,P)
W/N SW/RX R211
390p
Q202
R321 C322 3.3k
DTA144EE SP2
220k 0.015u
R326 W:0.015V
N:4.94V
C325 0
0.1u
C326 R331 C331
1000p 150k 0.1u
RXAFO RXAFI
R330 C330 R446
3.3k 1u 0 ISOLATION
MICO MICI DETECTOR MIC AGC
D303
D302 Q302
R445 RB706F-40 DAN222
R318 2SC4919
0 C317 R328
1.2k
10k
0.1u
R332 C333
15k
R360 0.1u
0
TXD
SB
PTT
AF_CONT
OPTDET
5M
X57-6890-XX D210 L16 L17 L100 L101 L107 L206 L211 L223 L230 L290 L412 R120 R194 R241 R449 R450 C52 C53 C54 C55 C56 C57 C58 C59 C61 C62 C64 C65 C66 C67
-20 M HVC355B 22n 27n 15n 15n 1.2n NO 8.2n L34-4572-05 47n 30n NO NO 47k 1.0M NO NO 11p 2p 6p 11p 2p NO 6p 1p 3p 2p 4p 6p 6p 5p
-21 C HVC355B 22n 27n 15n 15n 1.2n NO 8.2n L34-4572-05 39n 30n NO NO 47k 1.0M NO NO 12p NO 6p 12p NO NO 6p 1p 3p 2p 5p 7p 7p 5p
-22 C2 NO 27n 33n 33n 22n NO 39n NO NO 56n NO L34-4564-05 0 22k NO 0 0 11p 4p 7p 12p 5p 0.5p 7p 1.5p 4p 3p 4p 5p 5p 4p
X57-6890-XX C107 C116 C121 C125 C127 C132 C145 C151 C152 C156 C157 C169 C240 C244 C245 C246 C247 C248 C249 C252 C253 C257 C267 C274 C275 C276 C444
-20 M 6p 11p NO 6p 20p 20p 18p NO 20p 4p 2.5p 4p 3.5p 3p 22p 1p 470p 2p 6p 2p 2p 4.5p 3.5p 1p 2p 3.5p NO
-21 C 6p 11p NO 6p 20p 20p 18p NO 20p 4p 1p 6p 3.5p 2.5p 22p 2p 470p 2p 4.5p 1p 1.5p 4p 2.5p NO 2.5p 4p NO
-22 C2 7p 3p 12p 8p NO 39p 30p 7p 30p 3p 4p 10p 1p NO NO NO NO NO 5p 1.5p 2p 7p 6p 4p 2p 4p 2p
ANT SW
D122 C160 C163 C166
STRIP LINE HVC131 2p 3p 0.75p
R137 * C152 D103 C158 L224 L225 L226
0 HVC131 100p 4T 4T 4T
ANT SW
* L412
* L223 R145
5T R147
4T
0 0
ANT SW ANT SW
RX LO1
5R
BPF
R:5V
L410
R:5V
* R449 * R450
L204 MIXER
R:1.795V R:4.9V
270n
C241 C246 C248 C252 * C253 C259
Q204 R240 * * * R249 R:4.98V
3SK318
R:2.046V C272
R:0.47V 470p 0 (B) (B) (B) (B) 470p 22 C269
C266 R255 2p 2p
C239
R226 R:1.808V 1000p
R:0.96V Q205 470p 0 (B) (B)
1k 3SK318
CN201 RF AMP * C275
(B)
D203,204,210
RF BPF TUNING
D205,206
PCTV RF BPF TUNING
C334 R343
0.1u 470k
AF AMP
IC302
SP MUTE SW
TA7368F
DC SW R:0.3V(MUTE ON) Q306
7.3V(MUTE OFF)
1 10 CPH3413 C345
Q304 T:0.3V 1 PoUT
7.52V 2SA1362(GR) 2 9 100u6.3
VCC PW-GND
3 8
3 PRE-GND
R336 4 SP MUTE SW
SP2 7 C338 100p
VIN PHASE Q316
C339
1k 5 6 R337 CPH3413
RIPPLE NF
R334
150 10u6.3
47k
C340 Q305
DTC144EE
R:7.3V(MUTE ON) 0.1u
0.3V(MUTE OFF) DC SW/SP MUTE
Q303
T:7.3V
DTC144EE
DC SW/SP MUTE
R345 PTT/RXD
R341 10k
100
R346 100
TXD
R344 1k
SB
PTT
AF_CONT
OPTDET
5M L301
ANT
CN13
MIC
MICIN
OPTDET
5MS
AE J301
TXD
NC
SPO
SPI
MIC301