Kenwood TK-3202 Service Manual page 39

TX-RX UNIT (X57-6892-XX)
R9 0
R10 0
R11 0 C40
R5 3p
2.74V
L8
100k C43 L9
18n
10p 18n
PLL SYSTEM
IC1
MB15A02PV2E1 C50
C30
4.82V
Q2 10p
RIPPLE 470p 2SC5108(Y)
FILTER R8 C29 PLL IC F_IN AMP
D1 0 470p
4.76V
MA2S111-F
C4
R15 R16 R21
0.01u
220 560 680
R7
VR1 100
R12-7491-05
X1 4.9V
L77-1931-05 R17
F401
L401 F53-0324-05 R1 R2 R3 C3 1 4 4.7V 100
BATT VC VCC
22k 10k 33k 1u
12.8MHz 0.71V
2 3 L1 R12 C17 R14 C25 C34
BATT
GND oUTPUT
4.7u 2.2k 330k
47p 2p 1000p
TXCO
REVERSE
Q1
PROTECTION KTC4082
TRIPLER
CN401
E40-6362-05
1 B
2 SB
3 AFI
4 AFO
5 GND
6 EN1
R412 47k
7
EN2 R408 47k
8 GND
9 EN3 R409 47k 5C
10 EN4 R410 47k
11 EN5 47k
R411
R436
0
R403
100
Q403 T:4.99V
CPH3317 5T SW
IC401,402
VOLTAGE
REGULATOR/5V
5V PROTECTION IC402
XC6204B502MR
D401 5.00V Q404 5R SW R:5.01V
RB521S-30 CPH3317
1 5
VIN VoUT
R:7.56V 2
VSS
T:7.26V
3 4
CE
NC
IC401
XC6204B502MR
4.96V R:4.83V
R:7.28V
1 5
T:6.80V
VIN VoUT
2
Q405
VSS DTA123JE 4.95V
3 4
CE NC 5C SW
L402 C430
CP404
0.01u
VOLTAGE DETECTOR/RESET
IC403 BD4840FVE
1 5 47Kx2
R407 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
1 5
R405 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
T:3.37V
L19
CV * R40
D2,4,6,7 VCO OSCILLATION (TX)
220n
FREQUENCY
* D6 RF BUFFER AMP
CONTROL
Q6
/TX VCO
0.72V 2SC5108(Y) C78
L10 C52
R22 L24 * * D7 * * L16 * C64 C73
33p
0 0.5p(B)
VCO/TX
Q4 3.7V
2SK508NV(K52)
DC SW/TX VCO
Q5
R:4.94V
MODULATOR DTA143TE T:0.58V
TX MODULATION
L22
R25 R26 C45 R31 L12 R34 R36
R:0.59V
22k 18k 1u 470k 470k 270k
T:4.94V
C902 R:3.4V
R30
R37 Q7
1u 33k VCO OSCILLATION (RX) L18
100 DTA143TE
D8
220n
DC SW/RX VCO
HVC376B
4.0V
L11 D9 * C55 * L17 C65 C74
*
100n RIPPLE FILTER
HVC376B VCO/RX 0.5p
Q8
D3,5,8,9 Q3 2SC4617(S)
2SK508NV(K52)
FREQUENCY
CONTROL
/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
SP1 SP1
OSCIN OSCIN
SP2 SP2
5R 5R
5C 5C
EN1 EN1
EN2 EN2
EN3 EN3
EN4 EN4
EN5 EN5
R447
12k
R421 51 25
OPTDET
1k 52 24
AF_CONT
53 23
DTRLOADN STD
54 22
QTVCO
DIR
55 21
TDATA/DTRCLK
56 20
DI/O
57 19
SCLK
58 18
RDF/FD
59 17
TCLK/DTRDO
VCC VCC 60 16
VCC INT
61 15 R419
VCC
62 MICROPROCESSOR 14
VSS VSS 47k
VSS VCC
63 IC405 13
GND XIN
64 30622MAA-B95GU 12 L404
GND VSS
65 11 R422
XOUT
66 10 1k
RESET BSHIFT ON:4.95V C432 R423
67 9 OFF:0V
Q407
5p
68 8 2SK1830
BSHIFT
69 7 R420
CNVSS BEAT SHIFT SW
70 6
47k
BYTE
71 5
EEPCLK
LEDTX LEDTX 72 LEDTX 4
EEPDAT
73 LEDRX 3
LEDRX LEDRX
SIDE1 SIDE1 74 PF1 2
DTMF
SIDE2 SIDE2 75 PF2 1
PCTV
IC406
BR24L08F-W
R415
1 8
A0 VCC
47k
2 7
R416 A1 WP
R424
3 6 47k
47k R:3.70V C431 A2
SCL
5T_C 5T_C T:3.57V 4 5
0.01u
5R_C 5R_C GND SDA
5C_C 5C_C R425
RESET RESET 47k
INT INT
EEPROM
R404
470k(D)
4.96V
AF_CONT
OPTDET
PTT PTT
5M 5M
SB SB
RF AMP
T:4.81V T:4.96V
R:0V R103 * C107 C112 R112 R111 L103
TX/RX *
4.62V T:2.846V
RF SW 8.2n
Q101 7p 0 0
C87 D101 C101 C102
RF AMP 2SK3077
10p HSC277 470p Q100
3.86V Q9 12p
2SC4619(P,Q) 2SC4619(P,Q)
C83 RF AMP
15p
R:2.934V
T:3.002V
R453
TX/RX
RF SW 22k
L250
18n T:4.96V
R:2.87V
T:0V C290
2p
(B)
APC SW
Q104
DTC114EE APC PROTECT
APC SW
Q105
TH_DET TH_DET
2SK879(Y)
R:7.61V
T:7.39V
DCSW DCSW
B B
5T 5T
APCSW APCSW
RX LO1 RX LO1
SP1 SP1
OSCIN OSCIN
SP2 SP2
5R 5R
5C 5C
R901
MOD MOD
4.7k
Q901
2SK1824
RX_W/N RX_W/N
TX_W/N TX_W/N
R316 C320
120k
0.01u
DTRLOADN DTRLOADN
STD STD
C312
12p
TDATA/DTRCLK TDATA/DTRCLK
C315
DI/O DI/O
1u
10 32
TCLK/DTRDO TCLK/DTRDO DTRLOADN
TCLK/DTRDO AGND
11 31 R324
FREQUENCY DIVIDER
Q408 TDATA/DTRCLK RXIN
12 30 100k
BEAT IC407
DI/O RXINO
SHIFT TC7W74FU R306 29 R325
RDF/FD RDF/FD 13 IC301
SW RDF/FD FILTERO
C450 1 8 AQUA-L C328 100k
CK VCC SCLK SCLK 1k 14 28
SCLK EXPOUT
0.01u 2 7 AUDIO PROCESSOR
X3 PR DIR DIR 15 27 390p
R903 R904 Q408 D DIR RXAFIN
0 7.37MHz 0 C435 3 6
2SK1830 16 26 R321 C322
Q CLR XOUT RXAF
0 5p 4 5
L77-1633-05 220k 0.015u
GND Q
R326
3.6864 MHz CLK
C325 0
C452 C451
XIN XIN
0.1u
C326
1000p 0.01u
R301 C302 R304 1000p
EXTLIMIN EXTLIMIN
27k C309 C313
10k 270p
DETECTOR
82p 120p
D301
R310 R313
RB706F-40
R308
C311 390k 100k
AMP3O AMP3O
0
R354 R355 C354 R357
1u
10k
10k 0.1u 0
R314 C316
10k 0.1u
C310 R311
0.068u 12k
TXD TXD
PCTV PCTV
MIC_MUTE MIC_MUTE
QT/DQT_IN QT/DQT_IN
BUSY BUSY
RSSI RSSI
AF_CONT AF_CONT
OPTDET OPTDET
PTT PTT
5M 5M
SB SB
TX DRIVE AMP * R120 TX FINAL AMP
R:7.61V
T:1.36V T:7.26V
Q102 C123 Q103
L104 33p * L107 R123
2SK2596 2SK3476
8.2n
(G) 0
T:2.5V(H)
1.97V(L)
R126
2.2k
R135
150k (D) APC SW
Q109
C140 IC101 DTA144EE
TA75W01FU
100p
1 8 C146
OUT1 VCC
R130 2 7 1000p
IN1- OUT-B
150k 3 6
(D) IN1+ IN2-
APC SW
4 5
R131 VEE IN2+ Q108
R141 2SK1824
PCTV
150k
(D)
COMPARATOR 100k
(APC)
R134
150k (D)
Q107
DTC114EE
APC SW
5T 5T
RX LO1 RX LO1
5R 5R
R:5.01V
T:0V
MCF
XF201
L71-0637-05
38.85 MHz
IN C231 R219
oUT
2 1 0.01u 100
CN201
CF201
L72-1025-05
E23-1278-05
C213
0.1u
C210
R208
PCTV PCTV
R319
W/N SW/TX 82k 470p R:4.74V
56k
Q301 FM IF
SYSTEM
DTA114EE
IC201
R322 TA31136FN
180k
R323
56k
R329 C329 R210 C219 R216
82k 3.3k 33p 120k
1u
IF AMP
Q203 2SA1362(GR)
7.52V
2SC4649(N,P)
W/N SW/RX R211
Q202
3.3k
DTA144EE SP2 SP2
W:0.015V
R334
N:4.94V
C331
R331
150k
0.1u RXAFO RXAFI
R330 C330 R446
0
3.3k 1u MICO MICI ISOLATION
DETECTOR MIC AGC
D302 D303
R445 DAN222 Q302
RB706F-40
R318 2SC4919
0 C317 R328
1.2k
0.1u 10k
R332 C333
15k 0.1u
R360
0
TXD TXD
PCTV
MIC_MUTE
BUSY
RSSI
AF_CONT AF_CONT
OPTDET OPTDET
PTT PTT
5M 5M
SB SB
X57-6892-XX C47 C52 C53 C54 C55 C56 C57 C59 C62 C64 C65 C66 C67 C91 C107 C116 C121 C125 C127 C132 C145 C151 C152 C156 C157 C168 C169 C240 C244 C246 C249
-71 E NO 12p 1p 9p 10p NO NO 1p 2p 5p 7p 7p 5p 2p 6p 11p NO 6p 20p 22p 20p 1.5p 20p 4p 1p 1p 6p 2p 4p 2p 2p
-72 E3 100p 11p 4p 8p 12p 5p 0.5p 1.5p 3p 4p 5p 5p 4p NO 7p 3p 12p 8p NO 39p 30p 7p 30p 3p 4p NO 8p 2.5p 6p 3p 3.5p
X57-6892-XX C252 C257 C267 C268 C272 C274 C276 C293 C349 C444 D2 D4 D6 D7 L10 L16 L17 L100 L101 L107 L206 L223 L230 L290 L412
-71 E 2p 5p 4.5p 22p 3p NO 4p 0.3p NO NO NO 1SV325F NO 1SV325F 220n 22n 27n 15n 15n 1.2n NO L34-4572-05 39n 30n NO
-72 E3 3p 7p 7p 33p 2p 5p 3.5p NO 0.033u 5p HVC376B HVC376B HVC376B HVC376B 100n 27n 33n 33n 22n NO 39n NO 56n NO L34-4564-05
X57-6892-XX R39 R40 R42 R103 R120 R194 R248 R249 R350
-71 E 180 22 10k 47k NO 47k 150 22 0
-72 E3 150 100 4.7k 27k 0 22k 220 82 10k
ANT SW
D122 C160 C163 C166
2p 3p 0.75p
STRIP LINE HVC131
R137 * C152 D103 C158 L225 L226
L224 ANT
4T 4T 4T CN13
0 HVC131 100p
ANT SW
* L412
* L223 R145 R147
4T 0 0
ANT SW ANT SW
BPF
R:5V
L410
R:5V
L204 MIXER
R:1.795V R:4.9V R:4.98V
270n
Q204 C241 R240 * C246 C248 * C252 C253 C259 * R249
3SK318 R:2.046V
3p(B) C269 * C272
R:0.47V 470p 0 (B) (B) 3p(B) 470p
C239 C266 R255 2p(B) (B)
R:1.808V RF AMP
R226 1000p
470p 0
R:0.96V Q205
1k 3SK318
C275
3p(B)
D203,204,210
RF BPF TUNING D205,206
RF BPF TUNING
C334 R343
0.1u 470k
AF AMP
IC302 SP MUTE SW
TA7368F
R:0.3V(MUTE ON)
DC SW Q306
7.3V(MUTE OFF) 1 2SK3577-A C345
10
Q304 T:0.3V 1 PoUT
2 9 100u6.3
VCC PW-GND
3 8
3 PRE-GND
SP MUTE SW
R336 4 7 C338 100p
VIN PHASE Q316
1k 5 6 R337 C339 2SK3577-A
RIPPLE NF
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
MIC
R341 10k 100
MICIN
OPTDET
5MS
R346 100 AE
TXD
R344 1k NC
SPO
SPI
MIC301
L301
J301