Kenwood TK-3200L Service Manual page 31

TK-3200L
SCHEMATIC DIAGRAM
TX-RX UNIT (X57-6900-XX) -12:K -13:K2 -14:K3
PLL_CLK R9 0
PLL_DAT R10 0
PLL_STB 0
R11 C40
R5 3p
100k L8 C43
18n
10p
PLL SYSTEM
IC1
MB15A02PFV2E1
C30
4.82V
RIPPLE 470p
FILTER R8 C29
D1 0 470p
4.76V
MA2S111-F
C4
R15 R16 R21
0.01u
220 560 680
R7
VR1 100
68k
R32-0736-05
4.9V
X1
L77-1931-05
F401
L401 2.5A R1 R2 R3 C3 1 4 4.7V
VC VCC
BATT
100k 10k 33k 1u
12.8MHz
0.71V
2 3 R12 C25
BATT GND oUTPUT L1 C17 R14
4.7u
2.2k 47p 330k 2p 1000p
REVERSE TXCO
PROTECTION Q1
KTC4082
TRIPLER
CN401
B
1
2 SB
3 SP1
4 SP2
GND
5
6 EN1
7 EN2
8 GND
9 EN3
EN4
10
11 EN5
R436 R404
0 470k R:3.70V
(D) T:3.57V Q403 5T SW
R403 T:4.99V
CPH3317
100
5V PROTECTION IC402
XC6204B502MR
D401 5.00V Q404 5R SW R:5.01V
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:7.28V 4.96V RT1P237U-T111
1 5
T:6.80V R:4.83V
VIN VoUT
2
VSS
3 4
CE NC
L402 C430
0.01u
VOLTAGE DETECTOR/RESET
IC403 BD4840FVE
R407 1 5
VoUT VDD PTT SW1 SW2
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 B30-2157-05
R405 B30-2156-05
VoUT VDD
330k 2
SUB
3 4
NC GND
LED SW LED SW
/RED Q401 Q402 /GREEN
RT1N141U RT1N141U
X57-6900-XX R415 R416 R456 R457
-12 K NO 47k NO 47k
-13 K2 NO NO 47k 47k
-14 K3 47k NO 47k NO
T:3.37V
L19 R40
CV D2,4,6,7
VCO OSCILLATION (TX)
220n
FREQUENCY 100
D6 RF BUFFER AMP
CONTROL
/TX VCO HVC376B
2.74V C64 0.72V
L24 C52
L9 R22 L10 D7 L16 5p C73
18n 0 100n HVC376B 7p 27n 0.5p
VCO/TX (B)
Q4
2SK508NV(K52)
C50
Q2 10p
2SC5108(Y)F DC SW/TX VCO
PLL IC F_IN AMP
RT1P430U
MODULATOR
TX MODULATION
R25 R26 C45 R31 L12 R34 R36
22k 10k 1u 470k 470k 270k
C902 R30
R:3.4V
1u 33k VCO OSCILLATION (RX) L18
R37
D8
220n RT1P430U
100
DC SW/RX VCO
HVC376B
C65
R17 D9 C55 L17
L11 7p C74
100 RIPPLE FILTER
100n 12p 27n 0.5p
HVC376B VCO/RX
D3,5,8,9 Q3
C34 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
OSCIN OSCIN
SP1 SP1
SP2 SP2
5R 5R
5C 5C
EN1 EN1 R901
4.7k
EN2 EN2
EN3 EN3
EN4 EN4
EN5 EN5
W/N SW/TX
Q901
2SK1824-A
R447
12k
VCC VCC
VSS VSS
R421
51 25
52 OPTDET 24
1k
AF_CONT
53 23
CALLING ALERT SW DTRLOADN STD
54 QTVCO 22
DTMF SW
DIR
55 21
TDATA/DTRCLK
56 20
DI/O
57 19
SCLK
58 18
RDF/FD
4.95V 59 17
TCLK/DTRDO
VCC VCC 60 16
VCC INT
61 15 R419
VCC
62 MICROPROCESSOR 14
VSS VSS 47k
VSS VCC
CP404 63 IC405 13
GND XIN
64 30622MAPA49GU 12 L404
GND VSS
65 11
47Kx2 XOUT
66 10
RESET BSHIFT ON:4.95V
67 9 OFF:0V
68 8
69 BSHIFT 7 R420
GND BEAT SHIFT SW
70 6 47k
BYTE
71 5
EEPCLK
LEDTX LEDTX 72 LEDTX 4
EEPDAT
LEDRX LEDRX 73 LEDRX 3
LOCK LOCK 74 PF1 2
DTMF
SCAN SCAN 75 PF2 1
PCTV EEPROM
IC406
BR24L08F-W
R415 1
* A0 VCC
C431 2
* R416 A1 WP
0.01u 3
BATT BATT A2 SCL
5T_C 5T_C 4
5R_C 5R_C GND SDA
5C_C 5C_C
RESET RESET
INT INT
AF_CONT
SB SB
5M 5M
PTT PTT
OPTDET
4.96V
T:3.44V Q101 T:4.89V
2SK3077F
R103 C107 C112
TX/RX T:2.85V
RF SW
47k 6p 7p
4.73V C87 D101 C101 C102 RF AMP
10p HSC277 470p 12p Q100
Q6 3.4V 2SC4619(P,Q)
2SC5108(Y)F C78 C83 RF AMP RF AMP
Q9
33p 15p 2SC4619(P,Q)
R:2.9V
T:3.0V
3.7V
R453
TX/RX
RF SW
22k
Q5 R:4.94V
T:0.58V
L250
L22
18n T:4.9V
R:0.59V
R:2.87V C290
T:4.94V
2p
(B)
Q7
RT1N141U
Q8
2SC5383-T111
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
MOD MOD
Q317,318
AUDIO SW
Q317
R304 2SK1824-A
27k
Q318
C355
2SK1824-A
0.1u
DTMF SW DTMF SW
CALLING ALERT SW CALLING ALERT SW
RX_W/N RX_W/N
TX_W/N TX_W/N
DTRLOADN DTRLOADN
STD STD
C312
12p
C315
1u
10 32
TCLK/DTRDO TCLK/DTRDO DTRLOADN AGND
TCLK/DTRDO
11 31
TDATA/DTRCLK TDATA/DTRCLK
TDATA/DTRCLK RXIN
12 30
DI/O DI/O
DI/O RXINO
29
RDF/FD RDF/FD R306 13 IC301
RDF/FD FILTERO
AQUA-L
SCLK SCLK 1k 14 28
R422 X2 BEAT SHIFT SW SCLK EXPOUT
L78-1414-05 AUDIO PROCESSOR
15 27
1k 7.3MHz Q408 DIR DIR DIR
C432 R423 C435 RXAFIN
2SK1830F 16 26
Q407
XOUT RXAF
2SK1830F 5p 0 5p
3.6864 MHz CLK
R426
XIN XIN
0
R301 C302
10k C309 C313
270p
DETECTOR
82p 120p
D301
R310 R313
RB706F-40
8 R308
C311 390k 100k
AMP3O AMP3O
7 0
R355 C354 R357
R424 R354 1u
6 47k
10k 10k 0.1u 0
5
R314 C316
R425
47k 0.1u
C310 R311 10k
12k
PCTV PCTV 0.068u
TXD TXD
MIC_MUTE MIC_MUTE
QT/DQT_IN QT/DQT_IN
BUSY BUSY
RSSI RSSI
AF_CONT AF_CONT
SB SB
5M 5M
PTT PTT
OPTDET OPTDET
TX FINAL AMP
TX DRIVE AMP R:7.63V
T:7.45V Q103
Q102
R112 R150 L103 L412 2SK2596 R903 C123 L107 R151 R152 2SK3476-F
0 0 8.2n 8.2n 0 1.2n 0 0
33p
R:0.23V
T:2.86V
R126
2.2k
R135
150k (D) APC SW
APC SW
Q109
Q104 C140 IC101
RT1P441U
APC PROTECT TA75W01FUF
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
APC SW 2SK1824-A
R141
Q105 150k PCTV
2SK879(Y)F (D) 100k
COMPARATOR
(APC)
R134
150k (D)
Q107
R:7.63V RT1N141U
T:7.50V T:4.96V
APC SW
5T
RX LO1
5R
R:5.0V
T:0V
XF201
L71-0619-05
OUT IN C231 R219
2 1 0.01u 560
CF201
L72-0973-05
C213
0.1u
R316 C320
R208 C210
120k 0.01u
PCTV
R319 82k 470p
W/N SW/TX R:4.74V
56k
FM IF
Q301
SYSTEM
RT1P141U
IC201
TA31136FNG
R322 C205
180k
1000p
R323
56k
R324 R329 C329 R210 C219 R216
100k 82k 3.3k 120k
1u 33p
R325
IF AMP
100k Q203
C328
2SC4649(N,P)
W/N SW/RX R211
390p
Q202 3.3k
R321 C322 RT1P441U
SP2
LIMITER
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
0
3.3k 1u MICO MICI DETECTOR ISOLATION
MIC AGC
D302 D303
R445 DAN222 Q302
RB706F-40 2SC4919
R318
C317 R328
0
1.2k
0.1u 10k
R332 C333
15k
R360 0.1u
0
TXD
R388 0
BUSY
RSSI
AF_CONT
SB
5M
PTT
OPTDET
Note : The components marked with a dot ( ● ) are parts of layer 1.
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
20p
ANT SW
L223 R145 R147
4T
0 0
ANT SW ANT SW
5T
RX LO1
5R
BPF
R:5V
L410
R:5V
MIXER
L204
R:1.8V R:4.9V
C246 C248 C252 C253
270n (B)
Q204 C241 R240 (B) (B) (B) C259 R249 R:4.98V
3SK318
R:2.05V
470p 0 2p 2p 1p 1.5p 470p 22 C269 C272
R:0.47V (B) (B)
C239 C266 R255
R226 R:1.8V 1000p Q205
3SK318 470p 0 2p 2p
1k
RF AMP
CN201
R:0.96V
D203,204,210
RF BPF TUNING
D205,206
PCTV RF BPF TUNING
C334 R343
0.1u 470k
AF AMP
IC302 SP MUTE SW
TA7368FG
R:0.3V(MUTE ON)
DC SW Q306
7.3V(MUTE OFF) 2SK3577-A C345
1 10
Q304 T:0.3V NC1 POUT
2SA1362-F(GR)
7.52V 2 9 100u6.3
VCC PW-GND
3 8
NC2 PRE-GND
SP MUTE SW
R336 4 C338 100p
SP2 7
VIN PHASE Q316
1k 6 R337 C339 2SK3577-A
5
RIPPLE NF
R334
150 10u6.3
47k
C340 Q305
RT1N441U
R:7.3V(MUTE ON) 0.1u
0.3V(MUTE OFF)
Q303 DC SW/SP MUTE
T:7.3V
RT1N441U
DC SW/SP MUTE
R345
R341 10k 100
R346 100
TXD
R344
1k
AF_CONT
SB
5M
PTT
OPTDET
L301
ANT
CN13
C275
2.5p
PTT/RXD
MIC
MICIN
OPTDET
5MS
AE J301
TXD
NC
SPO
SPI
MIC301