Kenwood TK-3202L Service Manual page 33

TK-3202L
SCHEMATIC DIAGRAM
TX-RX UNIT (X57-6890-XX)
R9 0
R10 0
R11 0
C40
R5
3p
100k L8 C43
18n
10p
PLL SYSTEM
IC1
MB15A02PFV2E1
C30
4.82V
470p
RIPPLE
FILTER R8 C29
D1 0 470p
4.76V
MA2S111-F
C4
R15 R16 R21
0.01u 560 680
220
R7
100
VR1
68k
R32-0736-05
X1 4.9V
F401
2.5A L77-1931-05
L401 F53-0324-05 1 4
* R1 R2 R3 C3 4.7V
BATT VC VCC
10k 33k 1u
12.8MHz 0.71V
2 3 L1 R12 C17 R14 C25
BATT
GND oUTPUT
4.7u 2.2k 330k 1000p
47p 2p
REVERSE TXCO
Q1
PROTECTION
KTC4082
TRIPLER
CN401
E40-6573-05
1 B
2 SB
3 AFI
4 AFO
5 GND
6 EN1
7 EN2
8 GND
9 EN3
10 EN4
11 EN5
5T SW
T:4.99V 5C
Q403
R436 CPH3317
0
R403
100
5V PROTECTION IC402
5R SW R:5.01V
XC6204B502MR
D401 5.00V Q404
RB521S-30 1 5 CPH3317
VIN
VoUT
R:7.56V 2
T:7.26V VSS
3 4
IC401,402
CE NC
VOLTAGE
REGULATOR/5V
5C SW
IC401
XC6204B502MR Q405 R:4.83V
R:7.28V 4.96V DTA123JE
5
T:6.80V 1
VIN VoUT
2
VSS
3 4
CE NC
C430
L402
0.01u
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
T:3.37V
L19
R40
CV D2,4,6,7 VCO OSCILLATION (TX)
220n 100
FREQUENCY D6
CONTROL RF BUFFER AMP
/TX VCO
HVC376B 0.72V
2.74V
L9 R22 L24 L10 D7 * C52 L16 * C64 C73
*
100n
18n 0 HVC376B 0.5p
VCO/TX (B)
Q4
2SK508NV(K52)
C50
Q2 10p
2SC5108(Y)F DC SW/TX VCO
PLL IC F_IN AMP
MODULATOR DTA143TE
TX MODULATION
R25 R26 C45 R31 L12 R34 R36
22k 10k 1u 470k 470k 270k
C902 R30 R:3.4V
1u VCO OSCILLATION (RX)
33k L18 R37
D8 DTA143TE
220n 100
DC SW/RX VCO
HVC376B
R17 L11 D9 * C55 * L17 * C65 C74
100 100n 0.5p RIPPLE FILTER
HVC376B VCO/RX
D3,5,8,9 Q3
2SK508NV(K52)
C34
FREQUENCY
CONTROL
/RX VCO
CURRENT
QTTCXO QTTCXO STEERING
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
EN2 EN2
EN3 EN3
EN4 EN4
EN5 EN5
R447
12k
VCC VCC
VSS VSS
R421 51 25
1k 52 OPTDET 24
53 AF_CONT 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
INT R419
61 15
VCC
VSS VSS 62 MICROPROCESSOR 14 47k
VSS VCC
63 IC405 13
GND XIN
64 30622MCAC02GU 12 L404
GND VSS
65 11
CP404 XOUT
66 10
47Kx2 RESET BSHIFT ON:4.95V
67 9 OFF:0V
68 8
BSHIFT
69 7 R420
GND BEAT SHIFT SW
70 6
47k
BYTE
71 5
EEPCLK
72 LEDTX 4
LEDTX LEDTX
EEPDAT
LEDRX LEDRX 73 LEDRX 3
74 PF1 2
SIDE1 SIDE1 DTMF
SIDE2 SIDE2 75 PF2 PCTV 1 EEPROM
IC406
BR24L08F-W
R415
1
47k A0 VCC
C431
2
R416 A1 WP
0.01u 3
47k R:3.70V A2 SCL
5T_C 5T_C T:3.57V 4
GND
5R_C 5R_C SDA
5C_C 5C_C
RESET RESET
INT INT
R404
470k(D)
4.96V
AF_CONT
OPTDET
PTT PTT
5M 5M
SB SB
RF AMP
Q101
T:4.81V T:4.96V
2SK3077F
R:0V C112
TX/RX * R103 * C107
T:2.846V
RF SW
RF AMP 4.62V 7p
C87 D101 C101 C102
Q9
2SC4619(P,Q) 10p HSC277 470p 12p Q100
Q6 3.86V 2SC4619(P,Q)
2SC5108(Y)F C78 C83 RF AMP
33p 15p
R:2.934V
T:3.002V
3.7V
R453
TX/RX
RF SW 22k
Q5
R:4.94V
T:0.58V
L22 L250
T:4.96V
R:0.59V
18n
T:4.94V R:2.87V
C290
T:0V
2p
Q7 (B)
4.0V
Q8
2SC4617(S)
DCSW DCSW
B B
5T 5T
APCSW APCSW
OSCIN OSCIN
SP1 SP1
RX LO1 RX LO1
SP2 SP2
5R 5R
5C 5C
TH_DET TH_DET
R901
MOD MOD
4.7k
W/N SW/TX
Q901
2SK1824-A
RX_W/N RX_W/N
TX_W/N TX_W/N
DTRLOADN DTRLOADN
STD STD C312
EXTLIMIN EXTLIMIN
12p
C315
1u
32
TCLK/DTRDO TCLK/DTRDO 10 DTRLoADN
AGND
TCLK/DTRDo
TDATA/DTRCLK TDATA/DTRCLK 11 31
TDATA/DTRCLK
RXIN
12 30
DI/O DI/O DI/o
RXINo
R306 13 IC301 29
RDF/FD RDF/FD
RDF/FD AQUA-L FILTERo
1k 14 28
SCLK SCLK
R422 X2 BEAT SHIFT SW SCLK AUDIO PROCESSOR EXPoUT
L78-1414-05
DIR DIR 15 27
1k 7.3MHz Q408 DIR
C432 R423 C435 RXAFIN
2SK1830F 16 26
Q407 XoUT
2SK1830F 5p 0 5p RXAF
R426 3.6864MHz CLK
XIN XIN
0
R301 C302 R304
10k 270p 27k C309 C313
DETECTOR
82p 120p
D301
RB706F-40 R310 R313
8 R308
C311 390k 100k
0 AMP3O AMP3O
7
R424 R354 R355 C354 R357 1u
6 47k
10k 10k 0.1u 0
5
R314 C316
R425
47k C310 10k 0.1u
R311
0.068u 12k
RXD/PTT RXD/PTT
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
R120
TX DRIVE AMP R:7.61V * TX FINAL AMP
T:1.36V Q102 T:7.26V Q103
L103 L104 C123 L107
R112 R111 2SK2596 * R123 2SK3476-F
8.2n
0 0 8.2n 33p 0
T:2.5V(H)
1.97V(L)
R126
2.2k
R135
150k (D) APC SW
APC SW
Q109
C140
Q104 IC101 DTA144EE
DTC114EE
APC PROTECT TA75W01FUF
100p
C146
1 8
oUT1 VCC
R130 2 7 1000p
IN1- oUT-B
150k 3 6
(D) IN1+ IN2-
APC SW
4 5
R131 VEE IN2+ Q108
APC SW R141 2SK1824-A
PCTV
Q105 150k
100k
2SK879(Y)F (D) COMPARATOR
(APC)
R134
150k (D)
APC SW
R:7.61V Q107
T:7.39V DTC114EE
5T
RX LO1
5R
R:5.01V
T:0V
MCF
XF201
L71-0619-05
38.85 MHz
C231 R219
oUT IN
2 1
0.01u 560
CF201
L72-0973-05
450 kHz
C213
0.1u
R316 C320
C210
120k R208
0.01u PCTV
R319
W/N SW/TX 82k 470p R:4.74V
56k
FM IF
Q301 SYSTEM
DTA114EE
IC201
R322 TA31136FNG
180k
R323
56k
C329 R210 C219
R324 R329 R216
100k 82k 1u 3.3k 33p 120k
IF AMP
R325
Q203
C328 100k 2SC4649(N,P)
W/N SW/RX R211
390p
Q202
3.3k
R321 C322 DTA144EE SP2
220k 0.015u
W:0.015V
R326
N:4.94V
C325 0
0.1u
C326 R331 C331
1000p 150k 0.1u RXAFO RXAFI
R330 C330 R446
3.3k 1u 0 DETECTOR ISOLATION
MICO MICI
MIC AGC
D302 D303 Q302
R445 RB706F-40 DAN222
2SC4919
R318
0 C317 R328
1.2k
0.1u 10k
R332 C333
15k 0.1u
R360
0
RXD/PTT
TXD
PCTV
MIC_MUTE
BUSY
RSSI
AF_CONT
OPTDET
PTT
5M
SB
X57-6890-XX D210 C52 C53 C54 C55 C56 C57 C58 C59 C61 C62 C64 C65 C66 C67 C107 C116 C121 C125 C127 C132 C145 C149 C151 C156
-26 K,M HVC355B 11p 2p 6p 11p 2p NO 6p 1p 3p 2p 4p 6p 6p 5p 6p 11p NO 6p 20p 20p 18p 7p NO 4p
-27 K2,M2 HVC355B 13p 2p 9p 12p NO NO 9p 1p 4p 2p 5p 5p 6p 5p 6p 11p NO 6p 20p 27p 18p NO 7p 3.5p
-28 K3 NO 11p 4p 7p 12p 5p 0.5p 7p 1.5p 4p 3p 4p 5p 5p 4p 7p 3p 12p 11p NO 39p 30p 7p 7p 3p
X57-6890-XX C160 C161 C164 C166 C168 C169 C240 C244 C245 C246 C247 C248 C249 C250 C252 C255 C257 C267 C268 C269 C273 C274 C275 C276 C349
-26 K,M 2p 5p 5p 0.75p 1p 4p 3.5p 3p 22p 1p 470p 2p 6p 22p 2p 22p 4.5p 3.5p 22p 2p 22p 1p 2p 3.5p NO
-27 K2,M2 1.5p 6p 6p 1.5p 0.3p 3p 3.5p 3.5p 18p 0.75p 470p 1p 6p 18p 0.75p 18p 6p 5p 18p 2.5p 18p 2p 9p 4p NO
-28 K3 2p 5p 5p 0.75p NO 10p 1p NO NO NO NO NO 5p 22p 1.5p 22p 7p 6p 22p 2p 22p 4p 2p 4p 0.033u
X57-6890-XX L16 L17 L100 L101 L105 L107 L206 L211 L214 L223 L228 L230 L290 L412 R1 R39 R103 R106 R114 R120 R194 R241 R350 R449
-26 K,M 22n 27n 15n 15n 15n 1.2n NO 8.2n 8.2n L34-4572-05 8.2n 47n 30n NO 22k 150 47k 22 47k NO 47k 1.0M 0 NO
-27 K2,M2 18n 22n 15n 15n 22n 1.2n 27n 8.2n 6.8n L34-4572-05 6.8n 47n NO NO 100k 180 47k 22 120k NO 47k 1.0M 0 NO
-28 K3 27n 33n 33n 22n 15n NO 39n NO 8.2n NO 8.2n 56n NO L34-4564-05 22k 150 33k 120 68k 0 68k NO 10k 0
Note : The components marked with a dot ( ● ) are parts of layer 1.
ANT SW
D122
* C160 C163 * C166
* R454
HVC131 3p
STRIP LINE
R137 C152 D103 C158 L224 L225 L226
4T 4T 4T
0 20p HVC131 100p
ANT SW
* L412
* L223
5T R145 R147
4T 0 0
ANT SW ANT SW
RX LO1
5R
BPF
R:5V
L410
R:5V
MIXER * R449 * R450
L204
R:1.795V R:4.9V
270n C253
Q204 C241 R240 * C246 * C248 * C252 2p C259 R249
R:4.98V
3SK318 R:2.046V
C272
R:0.47V 470p 0 (B) (B) (B) (B) 470p 22
C239 C266 R255 * C269 2p
RF AMP
R226 R:1.808V 1000p
R:0.96V Q205 470p 0 (B) (B)
1k
3SK318
CN201
E23-1278-05
D203,204,210
RF BPF TUNING
D205,206
PCTV RF BPF TUNING
C334 R343
0.1u 470k
AF AMP
IC302 SP MUTE SW
TA7368FG
DC SW R:0.3V(MUTE ON) Q306
7.3V(MUTE OFF) 1 10 2SK3577-A C345
Q304 T:0.3V
NC1 PoUT
2SA1362-F(GR) 2 9 100u6.3
7.52V
VCC PW-GND
8
3
NC2 PRE-GND
SP MUTE SW
SP2 R336 4 7 C338 100p
VIN PHASE Q316
1k 5 6 R337 C339 2SK3577-A
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
R338 R345
2.2k R341 10k 100
RXD/PTT R346 100
TXD
R344 1k
AF_CONT
OPTDET
PTT
5M
SB
L301
C157 C159
2.5p 2p
4p 3p
4p 2p
C444 C445
NO NO
NO 20p
2p NO
R450 R454
NO NO
NO 0
0 NO
ANT
CN13
* C275
(B)
J301
E11-0707-05
PTT/RXD
MIC
MICIN
OPTDET
5MS
AE
TXD
NC
SPO
SPI
MIC301
T91-0649-15