Kenwood TK-2200 Service Manual page 38

TK-2200
SCHEMATIC DIAGRAM
TX-RX UNIT (X57-6880-XX) -10:K -11:K2
PLL_CLK
R9 0
PLL_DAT R10 0
PLL_STB R11 0
R5
100k
PLL SYSTEM
IC1
MB15A02
RIPPLE
FILTER C30 C40
4.84V
D1 470p 4p
R8 C29 L8 C43
MA2S111
C4 0 18n
470p 15p
4.76V
0.01u
R15 R16 R21
680
220 560
R7
100
VR1
R12-7491-05
4.83V
X1
R17
L77-1931-05
L401 F401 R1 C3 1 4
R2 R3 4.72V 100
BATT VC VCC
22k 10k 33k 1u
12.8MHz 0.7V
2 3 L1 R12 C17 R14 C25 C34
BATT GND oUTPUT
4.7u
2.2k 47p 330k 2p 1000p
TXCO
REVERSE
PROTECTION Q1
KTC4082
TRIPLER
CN401
B
1
SB
2
3 SP1
4 SP2
5 GND
6 EN1
EN2
7
GND
8
9 EN3
10 EN4
11 EN5
R436 R404
0 R:3.70V
470k 5T SW
R403 (D) T:3.57V Q403 T:4.99V
CPH3317
100
5V PROTECTION IC402
D401 XC6204B502MR
5.00V Q404 5R SW R:5.01V
RB521S-30
1 5 CPH3317
VIN VoUT
R:7.56V 2
VSS
T:7.26V
3 4
CE IC401,402
NC
VOLTAGE
REGULATOR/5V 5C SW
IC401
XC6204B502MR Q405
4.96V
R:7.28V RT1P237U
T:6.80V 1 5 R:4.83V
VIN VoUT
2
VSS
3 4
CE NC
L402 C430
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 Q401 Q402 /GREEN
RT1N141U RT1N141U
X57-6880-XX R416 R453
-10 K 47k NO
-11 K2 NO 47k
T:3.42V
L19
R40
CV D4,7
FREQUENCY 220n 100
CONTROL
/TX VCO VCO OSCILLATION (TX)
0.72V
C64
R22 L24 L10 D7 C52 L16 4p VCO/TX C73
180n 39n
0 1SV325 180p Q4 0.5p
(B)
2SK508NV(K52)
2.73V
L9
33n
MODULATOR
C50
10p
TX MODULATION
Q2
2SC5108(Y)
PLL IC F_IN AMP
R25 R26 C45 R31 L12 R34 R36
10k
22k 1u 560k 4.7k 270k
C902 R30
R:3.46V
1u 18k L18 R37
220n 100
VCO OSCILLATION (RX)
C65
VCO/RX
L11 D9 C55 L17 5p C74
100n 27n Q3
1SV325 120p 0.5p
2SK508NV(K52)
D5,9
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
R901
EN1 EN1
4.7k
EN2 EN2
EN3 EN3
EN4 EN4
EN5 EN5
W/N SW/TX
Q901
2SK1824
R447
4.7k
VCC VCC
VSS VSS
R421 51 25
OPTDET
1k 52 24
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
59 17
4.95V TCLK/DTRDO
VCC VCC 60 16
VCC INT
61 15 R419
VCC
62 MICROPROCESSOR
VSS VSS VSS 14 47k
CP404 VCC
63 GND IC405 13
XIN
64 30622MAA-B91GP 12 L404
GND VSS
65 11
47Kx2 XOUT
66 10
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 4
LEDTX LEDTX LEDTX EEPDAT
LEDRX LEDRX 73 LEDRX 3
LOCK LOCK 74 2
PF1 DTMF
75 1
SCAN SCAN PF2 PCTV EEPROM
IC406
BR24L08F-W
* R416
1
VCC
A0
C431 2
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
4.74V
D101,202
IC2 TX/RX T:1.13V
UPB1509GV RF SW
4.6V
RF BUFFER AMP D101 C101
1 8 C87 R103 C104
Q6 C81 VCC1 VCC2 2.2V
C78 15p
2SC5108(Y) 2 7 C83 10p HSC277 1000p 0 39p
IN OUT
33p C82 3 6 1000p Q9
IN SW2
2SC5108(Y)
1000p 4 5
RF AMP
3.74V GND SW1
VCO 1/2 DIVIDER
L202 L205
DC SW/TX VCO
39n
Q5
RT1P430U R:2.84V C233 C237
R:4.97V
T:0.59V 2p
(B)
L22
R:0.60V
T:4.95V
Q104
RT1N141U
Q7
RT1P430U
DC SW/RX VCO
APC SW
RIPPLE FILTER
Q8
2SC5383
DCSW DCSW
B B
5T 5T
APCSW APCSW
OSCIN OSCIN
SP1 SP1
TH_DET TH_DET
SP2 SP2
5R 5R
5C 5C
MOD MOD
Q317,318
AUDIO SW
Q317
R304 2SK1824
560k
Q318
C355 2SK1824
0.1u
DTMF SW DTMF SW
CALLING ALERT SW CALLING ALERT SW
RX_W/N RX_W/N
TX_W/N TX_W/N
R316
120k
DTRLOADN DTRLOADN
STD STD
C312
12p
C315
1u
STD
10 32
TCLK/DTRDO TCLK/DTRDO DTRLOADN
TCLK/DTRDO AGND
11 31
TDATA/DTRCLK TDATA/DTRCLK
TDATA/DTRCLK RXIN
30
DI/O DI/O 12
DI/O RXINO
29
RDF/FD RDF/FD R306 13 IC301
RDF/FD FILTERO
AQUA
SCLK SCLK 1k 14 28
R422 X2 SCLK EXPOUT
BEAT SHIFT SW AUDIO PROCESSOR
L78-1411-05 15 27
1k 7.3MHz Q408 DIR DIR DIR RXAFIN
C432 R423 C435
2SK1830 16 26
Q407
2SK1830 5p 0 5p XOUT RXAF
3.6864 MHz CLK
R426
XIN XIN
0
C302
R301
C313
47k 0.01u C309
DETECTOR
82p 120p
D301
R310 R313
RB706F-40
8 R308
C311
AMP3O AMP3O 390k 100k
7 0
R424 R354 R355 C354 R357 1u
6 47k
10k 10k 0.1u 0
5
R425
47k
PCTV PCTV
TXD TXD
QT/DQT_IN QT/DQT_IN
MIC_MUTE MIC_MUTE
BUSY BUSY
RSSI RSSI
AF_CONT AF_CONT
SB SB
5M 5M
PTT PTT
OPTDET OPTDET
TX DRIVE AMP
R:7.53V TX FINAL AMP
T:7.41V
T:4.89V
R108 C108 R112 C110 L104 Q103 R144 C162 R450 C120 L107
RD00HVS1
1.5k 15p 18 1000p 33n 39p 4.7 1000p 56n Q106
RF AMP 0
RD02MUS1
Q102
2SC4926YD
R:0.29V
T:3.09V
68n
5p
(B)
T:4.94V
RX LO1
5T
T:2.7V(H)
R135
1.99V(L)
150k (D) APC SW
Q109
C140 IC101 RT1P441U
TA75W01FU
100p
1 8 C146
APC PROTECT
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
Q105 150k
2SK879(Y) (D) 100k
COMPARATOR
(APC)
R134
150k (D)
Q107
RT1N141U
APC SW
5R
R:5.0V
T:0V
XF201
L71-0619-05
IN C231 R219
oUT
2 1 560
0.01u
CF201
L72-0973-05
C213
0.1u
C210
R208
PCTV
C320 R319
W/N SW/TX 82k 470p
0.01u
56k
Q301
DTA114EE FM IF
SYSTEM
R322 IC201
TA31136FN
180k
R323
56k
R324 R329 C329 R210 C219 R216
100k 82k 3.3k 120k
1u 33p
R325
IF AMP
C328 100k Q203
W/N SW/RX
2SC4649(N,P)
R211
390p Q202
RT1P441U 3.3k
R321 C322 SP2
220k 0.015u LIMITER W:0.011V
N:4.98V
R326
C325 0
0.1u
C331
C326 R331
1000p 39k 0.1u RXAFO RXAFI
C330
R330 R446
0
3.3k 1u MICO MICI
DETECTOR ISOLATION
MIC AGC
D302 D303
Q302
R445 RB706F-40 DAN222
R318 2SC4919
R328
0 C317
1.2k
0.1u 10k
R314 C316 R332 C333
10k 0.047u 15k 0.1u
C310 R311 R360
0.068u 12k 0
PCTV
TXD
R388 0
BUSY
RSSI
AF_CONT
SB
5M
PTT
OPTDET
●
Note : The components marked with a dot ( ) are parts of layer1.
ANT SW D103 L117 L118 L119
7T 7T 6T
HVC131
L113 L114 L115 C144 D104 C151 C154 C156 C159
4T 4T 3T 82p 1000p 10p 12p 7p
HVC131
ANT SW
RX LO1 L110 C160
5T
56n
33p
ANT SW ANT SW
5R
BPF
R:4.98V
L206
180n
RF AMP
MIXER
R220
Q205
Q204 R:2.48V 3SK318
560 3SK318 R:4.8V R:4.92V
C238 C245 R227 R291 C250 C253 R231
R239 C263 R240 C267 C268
470p 0 0 4p 4.5p 47
12p
C243 (B) (B) R:0.75V 47 10p 0 3p 3p
R:2.48V
1000p R:1.76V (B) (B)
R:0.99V
CN201
PCTV
D205,206
D203,204
RF BPF TUNING
RF BPF TUNING
C334 R343
0.1u
AF AMP 470k
IC302 SP MUTE SW
TA7368F
R:0.3V(MUTE ON)
DC SW Q306
7.3V(MUTE OFF) CPH3413 C345
1 10
R:7.52V Q304 T:0.3V 1 PoUT
2SA1362(GR)
T:7.31V 2 9 100u6.3
VCC PW-GND
3 8
3 PRE-GND
SP MUTE SW
SP2 R336 4 7 C338 100p
VIN PHASE
Q316
1k 5 6 R337 C339 CPH3413
RIPPLE NF
R334 150 10u6.3
47k
Q305
C340
RT1N441U
R:7.3V(MUTE ON) 0.1u DC SW/SP MUTE
0.3V(MUTE OFF)
T:7.3V
Q303
RT1N441U
DC SW/SP MUTE
R345
R341 10k 100
R346 100
TXD
R344 1k
AF_CONT
SB
5M
PTT
OPTDET
L301
ANT
CN13
C271
11p
PTT/RXD
MIC
MICIN
OPTDET
5MS
AE J301
TXD
NC
SPO
SPI
MIC301