Kenwood TK-3212 Service Manual page 42

TK-3212/3217
SCHEMATIC DIAGRAM
TX-RX UNIT (X57-7130-XX)
R9 0
R10 0
R11 0
PLL SYSTEM
IC1
MB15A02
4.82V
R8
0
RIPPLE
FILTER
D1
MA2S111 C4 VR1 68k
R12-7491-05
0.01u
X1
L77-1931-05
R1 R2 R3 C3 1 4
VC VCC
22k 10k 33k 1u
12.8MHz
2 3
GND oUTPUT
LCD ASSY (B38-0906-15)
TXCO
LCD
L401 F401
BATT
F53-0324-05
D402
BATT 2.5A 1SR154-400
REVERSE
CN401 PROTECTION
E40-6363-05 1 B
2 SB
3 AFI
4 AFO
1 37 R412
5 GND R408
6 UP
DOWN
7
8 GND
R404
R:3.70V
470k(D)
T:3.57V
5V PROTECTION IC402
XC6204B502MR
D401
RB521S-30 1
5
VIN VoUT
2
R:7.56V
VSS
T:7.26V
3 4
CE NC IC401,402
VOLTAGE
REGULATOR/5V
IC401
XC6204B502MR
R:7.28V
1 5
T:6.80V
VIN VoUT
2
VSS
33 16
3 4
CE NC
34 15
14
35
13
36
VOLTAGE DETECTOR/RESET
37 12
IC403
BD4840FVE
11
R407 1 5
10
VoUT VDD
LCD DRIVER 330k 2
40 9
SUB
PT6554LQ 3 4
41 8
NC GND
42 7
43 6
44 5
VOLTAGE
45 DETECTOR/INT
IC404
46
CN402 BD4845FVE
47 E40-6430-05 5
R405 1
GND 1 VoUT VDD
330k
10 2
NC 2 SUB
9 3 4
SB 3 NC GND
8
5M 4
7
GND 5
C 6
DI 6
5
CL
B 7
4
CE 8
3
A DO 9
2
GND 10
1
S
5C 5C
D2,4,6,7
C40 CV
FREQUENCY D6
VCO OSCILLATION (TX)
3p CONTROL HVC376B
2.74V
L8 C43 L9 /TX VCO
L24
L10 D7 * C52 * L16
18n 18n
10p
100n HVC376B
C50
Q2 10p
2SC5108(Y)
PLL IC F_IN AMP
C29
470p TX MODULATION
4.76V
R15 R16 R21 R22
R26 C45 L12 R34
R25 R31
220 560 680 0
22k 10k 1u 470k 470k
C902 R30
D3,5,8,9
1u 33k
FREQUENCY
CONTROL
/RX VCO
D8
VCO OSCILLATION (RX)
HVC376B
L11
100n D9 * C55 * L17
4.9V HVC376B
R17
100
4.72V
0.71V
L1 R12 C17 R14 C25 C34
OSCIN OSCIN
4.7u 2.2k 47p 330k 2p 1000p
TRIPLER
Q1
KTC4082
QTTCXO QTTCXO
PLL_UL PLL_UL
PLL_STB PLL_STB
PLL_DAT PLL_DAT
PLL_CLK PLL_CLK
5C 5C
B B
EN1 EN1
EN2 EN2
47k
T:4.99V
47k
5T SW
Q403
CPH3317
R421
1k
R:5.01V
CP406
5.00V Q404
5R SW RT1P237U 1Kx2 51
52
53
DO
54
CP407
1Kx2 CE
55
CL
56
DI
Q405
57
5C SW RT1P237U
58
R:4.83V
4.96V 4.95V 59
60
VCC
61
L402 C430
62
VSS
63
0.01u GND
64
GND
65
CP404
66
47Kx2
LED/RED LED/GREEN
67
D403 D404 68
B30-2156-05 AUX
B30-2157-05 R470 69
AUX
1k 70
ON:4.92V ON:4.92V
71
OFF:0.01V OFF:0.01V EN2
72
LEDTX
73 LEDRX
PTT SIDE1 74
PF1
75
Q401 Q402 SIDE2 PF2
PTT
RT1N141U RT1N141U
GND
LED SW LED SW
R437
/RED /GREEN SW1 R415 47k
47k
R416 47k
SW1
R438
SW2
47k
SW2
BATT BATT
RESET RESET
INT INT
5M 5M
DI DI
CL CL
CE CE
DO DO
SB SB
L19 R40
*
RF BUFFER AMP
220n
T:3.37V Q6
0.72V 2SC5108(Y) C78
* C64 C73
33p
0.5p
VCO/TX
(B)
Q4
2SK508NV(K52) RF AMP
3.7V
Q9 4.62V
3.86V 2SC4619
Q5 C83
RT1P430U
R:4.97V 15p
T:0.58V
R:2.934V
T:3.002V
MODULATOR DC SW/TX VCO
L22
R36
270k 4.0V
R:0.59V
T:4.94V
R:3.4V
L18 R37 RIPPLE
Q7
FILTER
220n RT1P430U
100 Q8
DC SW/RX VCO
2SC4617(S)
* C65 C74
0.5p
Q3 VCO/RX
2SK508NV(K52)
CURRENT
STEERING
TMH
DCSW DCSW
APCSW APCSW
OSCIN OSCIN
5C 5C
B B
5T 5T
5R 5R
R208
82k
R902
4.7k
R210
3.3k
Q901
W/N SW/RX
2SK1824
Q202
RX_W/N RX_W/N RT1P441U
W:0.015V
W/N SW/TX
N:4.94V
TX_W/N TX_W/N
25
DTMF DTMF
24 DTRLOADN DTRLOADN
OPTDET 23
DTRLOADN STD STD
AF_CONT STD
QTVCO 22 DIR DIR
DIR
21 TDATA/DTRCLK TDATA/DTRCLK
TDATA/DTRCLK
20 DI/O DI/O
DI/O
19 SCLK SCLK
SCLK
18 ROF/FD ROF/FD
RDF/FD
17 TCLK/DTRDO TCLK/DTRDO
TCLK/DTRDO
16
INT
15 R419
VCC
MICROPROCESSOR 14 47k
VCC
13
IC405 XIN XIN XIN
30620MCP-A00GP 12
VSS
11 XOUT XOUT R422
XOUT
10
BSHIFT ON:4.95V 1k C432 R423 R410
RESET
9 OFF:0V Q407
8 BSHIFT BSHIFT 2SK1830 5p 0
BSHIFT
7 R420
GND
6 47k
BYTE
5 EEPCLK EEPCLK
EEPCLK
4
EEPDAT EEPDAT EEPDAT
3
2
DTMF
1
PCTV EEPROM
IC406 BEAT SHIFT SW
AT24128N10SI27
1 8
A0 VCC
2
7
C431 A1 WP
3
6 R424 47k
0.01u A2 SCL
4 5 R425 47k
GND SDA
RSSI RSSI
BUSY BUSY
4.96V TMH TMH
VOX VOX
5M 5M
AFCONT AFCONT
OPTDET OPTDET
RXD/PTT RXD/PTT
TXD TXD
PCTV PCTV
MIC_MUTE MIC_MUTE
QT/DQT_IN QT/DQT_IN
PTTSW PTTSW
SB SB
X57-7130-XX L16 L17 R40 R42 C52 C54 C55 C56 C58 C61 C64 C65 C66 C67
-10 TK-3212 K,M 22n 27n 100 4.7k 11p 9p 11p 2p 6p 3p 4p 6p 6p 5p
-11 TK-3212 K2,M2 18n 22n 100 4.7k 12p 9p 12p NO 9p 4p 5p 5p 6p 7p
-21 TK-3217 M 22n 27n 150 10k 12p 6p 12p NO 6p 3p 5p 7p 7p 5p
RF AMP
T:4.96V
D101,202 Q101
T:4.81V 2SK3077
TX/RX C112 R112 R111
RF SW R:0V R103 C107
T:2.846V 7p 0 0
D101 47k 6p
C87 C101 C102
Q100
10p HSC277 470p 12p
2SC4619
RF AMP
R453
22k
T:4.96V
5T
TMH
DCSW
APCSW
B
L250
5R R:2.87V
CF201 T:0V 18n
R:5.01V
T:0V L72-0958-05 C290
C213
2p(B)
0.1u
C210
470p
R:5V
FM IF 5R
SYSTEM BPF
MCF
IC201
XF201
TA31136FN L71-0619-05
R:4.74V
38.85 MHz R:5V
C219 R216 C224 R218 C231 R219 L204 Q204
oUT IN R:1.795V
3SK318
120k 560 2 1 0.01u 560 270n
33p 0.01u
MIXER
R211
C239
3.3k R226 R:0.47V R:1.808V
Q203 1000p
2SC4649(N,P)
1k
IF AMP
CN201
C215
1000p
TX_W/N
R316
120k
R301 C302 R304
27k
10k 270p 5M
C312
12p
LIMLV
IC407 C315
TC7W74FU
C450 1 1u
8
CK VCC
X3 0.01u
L77-1633-05 2 7
D PR
7.37MHz C435 10 32
R409 3 6 DTRLoADN AGND
Q CLR TCLK/DTRDo
Q408 C451 11 31 RXIN
0 0 5p 4 5 TDATA/DTRCLK RXIN
2SK1830 GND Q
12 30
0.01u DI/o RXINo RXINO
IC301
R306 13 29
FREQUENCY DIVIDER AQUA-L FILTERO
RDF/FD FILTERo
1k 14 28
C452 AUDIO PROCESSOR EXPOUT
SCLK EXPoUT
15 27
1000p RXAFIN
DIR RXAFIN
16 26
RXAF
Q407,408 XoUT RXAF
3.6864MHz CLK DTRAIN
C309 C313
82p 120p
R310 R313
D301
RB706F-40 390k 100k
C311
R314 10k C316 0.1u
1u
C310 0.068u R311 12k
DETECTOR
AFCONT
OPTDET
RXD/PTT
TXD
PCTV
MIC_MUTE
QT/DQT_IN
PTTSW
SB
X57-7130-XX L206 L290
-10 TK-3212 K,M NO 30n
-11 TK-3212 K2,M2 27n NO
-21 TK-3217 M NO 30n
●
Note : The components marked with a dot ( ) are parts of layer1.
D103,122
ANT SW
D122
TX DRIVE AMP TX FINAL AMP C160 C163 * C166
*
Q102 R:7.61V * R456
T:1.36V Q103 HVC131
2SK2596 T:7.26V 2SK3476 3p
STRIP LINE
C123 L107 C152 D103 C158 L224 L225 L226
L103 L104 R123 R137
8.2n 8.2n 1.2n 4T 4T 4T
33p(G) 0 0 20p HVC131 100p
L223 R145 R147 * C169
4T 0 0
5T
T:2.5V(H) D104,106
1.97V(L)
APC PROTECT ANT SW
R126
2.2k R135
APC SW
150k(D)
C140 Q109
IC101 RT1P441U
TA75W01FU
100p
1 8 C146
APC SW
DCSW OUT1 VCC
APCSW Q104 R130 2 7
1000p
RT1N141U IN1- OUT-B
150k(D) 3 6
B IN1+ IN2- APC SW
Q105 4
5
2SK879(Y) R131 VEE IN2+ Q108
2SK1824
APC SW R141
150k(D)
100k
COMPARATOR
(APC)
R134
R:7.61V
T:7.39V 150k(D)
R142
0
Q107
RT1N141U
APC SW
L410
5R
* R450 Q205
* R449 3SK318
R:4.9V R:4.98V
C241 R240 * C246 * C248 * C252 * C253 C259 R249
C266
0 (B) (B) (B) 22 470p R255 C269 C272
470p (B) 470p
RF AMP 0 2p 2p
R:2.046V (B)
R:0.96V (B)
* C275
(B)
RF BPF TUNING
D205,206
D203,204
TX_W/N RF BPF TUNING
RF BPF TUNING
R354 R355 C354
10k 10k 0.1u
R:0.3V(MUTE ON) R343
7.3V(MUTE OFF)
T:0.3V IC302 470k SP MUTE SW
5M C334 TA7368F
Q306
CPH3413 C345
1 10
W/N SW/TX 0.1u Q304 1 PoUT
7.52V 2SA1362(GR) 2 9 100u6.3
Q301 VCC PW-GND
RT1P141U
3 8
DC SW 3 PRE-GND
LIMLV R322 180k
R336 4 7 C338 100p
VIN PHASE SP MUTE SW
R334 1k 5 6 R337 C339
RIPPLE Q316
R323 56k NF
47k 150 10u6.3 CPH3413
C328 390p
100k
R324 AF AMP
RXIN
C340
R325 100k R329 C329
RXINO
R:7.3V(MUTE ON) 0.1u
82k 1u
FILTERO Q303 0.3V(MUTE OFF)
Q305
R321 C322 RT1N441U T:7.3V RT1N441U
EXPOUT 0.015u
220k DC SW/SP MUTE DC SW/SP MUTE
RXAFIN R326 0
RXAF
R330
2.2k R345
3.3k C330 R338 PTT/RXD
R341 10k 100
C325 R331 C331 1u
DTRAIN 0.1u
C326 1000p 150k 0.1u
MIC AGC R346 100
DETECTOR ISOLATION
Q302
D302 D303 R344 1k
R318 2SC4919
C317 R328
1.2k
0.1u 10k
RB706F-40 DAN222
C333 L301
R332
15k 0.1u
AFCONT
OPTDET
RXD/PTT
TXD
PCTV
MIC_MUTE
QT/DQT_IN
PTTSW
SB
X57-7130-XX D210 L105 L211 L212 L214 L228 L229 L230 R241 R449 R450 R456 C132 C142 C145 C151 C156 C157 C159 C160 C161 C164 C166 C168
-10 TK-3212 K,M HVC355B 15n 8.2n 8.2n 8.2n 8.2n 8.2n 56n 1.0M NO NO NO 27p NO 16p NO 6p 2.5p 2p 2p 5p 5p 0.75p NO
-11 TK-3212 K2,M2 NO 22n NO 6.8n 6.8n 6.8n 6.8n 56n NO 0 0 0 27p NO 18p 7p 3.5p 4p 3p 1.5p 6p 6p 1.5p 0.3p
-21 TK-3217 M HVC355B 15n NO 8.2n 8.2n 8.2n 8.2n 39n 1.0M 0 0 NO 24p 7p 18p NO 4p 1p 2p 2p 5p 5p 0.75p NO
X57-7130-XX C244 C245 C246 C247 C248 C249 C250 C252 C253 C255 C257 C267 C268 C273 C274 C275 C276 C293 C444 C445
-10 TK-3212 K,M 3p 22p 1p 470p 2p 5p 22p 2p 2p 22p 3.5p 3.5p 22p 22p 2p 2p 2.5p NO 7p 7p
-11 TK-3212 K2,M2 NO NO NO NO NO 3p 18p 1.5p 1p 18p 5p 4.5p 18p 18p 1.5p 2.5p 2p NO NO 20p
-21 TK-3217 M NO NO NO 470p NO 2.5p 22p 1p 1.5p 22p 4.5p 4p 22p 22p 1p 3p 4p 7p NO NO
ANT
CN13
SP
J301
E11-0457-05
MIC
MICIN
OPTDET
5MS
AE
TXD
NC
SPO
SPI
MIC1
C169
5p
9p
6p