Kenwood TK-3212L Service Manual page 39

TK-3212L
SCHEMATIC DIAGRAM
TX-RX UNIT (X57-7130-XX)
R9 0
R10 0
R11 0
PLL SYSTEM
IC1
MB15A02PFV2E1
4.82V
R8
0
RIPPLE
FILTER
D1
MA2S111-F C4 VR1
68k
R32-0736-05
0.01u
X1
L77-1931-05
R3 C3
R1 R2 1
VC VCC
22k 10k 33k 1u
12.8MHz
2
GND oUTPUT
LCD ASSY (B38-0906-25)
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
GND
5 R408
6 UP
7 DOWN
8 GND
R404
R:3.70V
470k(D)
T:3.57V
5V PROTECTION IC402
XC6204B502MR
D401
RB521S-30 1 5
VIN VoUT
R:7.56V 2
T:7.26V VSS
3 4
CE NC IC401,402
VOLTAGE
REGULATOR/5V
IC401
XC6204B502MR
R:7.28V
T:6.80V 1 5
VIN VoUT
2
VSS
33 16 3 4
NC
CE
34 15
35 14
36 13
VOLTAGE DETECTOR/RESET
12
37 IC403
11 BD4840FVE
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
10 330k 2
NC 2 SUB
9 3 4
SB 3 NC GND
8
5M
4
7
GND 5
C 6
DI 6
5
CL 7
B
4
CE 8
3
A DO 9
2
GND 10
1
S
5C 5C
D2,4,6,7
C40 CV
FREQUENCY D6
3p CONTROL HVC376B TX VCO
2.74V
L8 C43 L9 /TX VCO
L24 L10 D7 * C52 * L16
18n 18n
10p
100n HVC376B
C50
Q2 10p
2SC5108(Y)F
PLL IC F_IN AMP
C29
470p
4.76V
R15 R16 R21 R22 TX MODULATION
R25 R26 C45 R31 L12 R34
560 680 0
220
22k 10k 1u 470k 470k
C902
R30
D3,5,8,9
33k
1u FREQUENCY
CONTROL
/RX VCO
D8
HVC376B
L11
100n D9 C55 * L17
*
HVC376B
4.9V
R17
100
4 4.72V
0.71V
3 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
5R SW
Q404 CP406
5.00V 1Kx2 51
RT1P237U-T111
R:5.01V 52
53
CP407 54
1Kx2 55
5C SW 56
Q405 57
RT1P237U-T111 58
R:4.83V
4.96V
4.95V 59
60
61
L402 C430
62
63
0.01u
64
65
CP404
66
47Kx2
LED/RED LED/GREEN
67
D403 D404
68
B30-2156-05 B30-2157-05 AUX
R470 69
1k 70
ON:4.92V ON:4.92V
OFF:0.01V 71
OFF:0.01V
72
73
PTT SIDE1 74
SIDE2 75
Q401 Q402
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 100
T:3.37V
Q6
0.72V 2SC5108(Y)F
* C64 C73
0.5p
VCO/TX
(B)
Q4
RF AMP
2SK508NV(K52) 3.7V
Q9
3.86V 2SC4619
C83
Q5
RT1P430U
R:4.97V 15p
T:0.58V
R:2.934V
MODULATOR DC SW/TX VCO T:3.002V
R36 L22
270k
4.0V R:0.59V
T:4.94V
R:3.4V
L18 RIPPLE
R37 Q7
FILTER
RT1P430U
220n 100
RX VCO DC SW/RX VCO Q8
2SC4617(S)
* C65 C74
0.5p
Q3 VCO/RX
2SK508NV(K52)
CURRENT
STEERING
THM
DCSW DCSW
APCSW APCSW
OSCIN OSCIN
5C 5C
B B
5T 5T
5R 5R
R902
4.7k
R210
3.3k
Q901
2SK1824-A
RX_W/N RX_W/N
W:0.015V
W/N SW/TX
N:4.94V
25 TX_W/N TX_W/N
DTMF DTMF
24
DTRLOADN DTRLOADN
OPTDET
23 STD STD
DO AF_CONT DTRLOADN STD
QTVCO 22 DIR DIR
CE DIR
21
CL TDATA/DTRCLK TDATA/DTRCLK
TDATA/DTRCLK
20 DI/O DI/O
DI DI/O
19 SCLK SCLK
SCLK
18
ROF/FD ROF/FD
RDF/FD
17 TCLK/DTRDO TCLK/DTRDO
TCLK/DTRDO
16
VCC INT
15 R419
MICROPROCESSOR VCC
14 47k
VSS VCC
IC405 13 XIN XIN
GND XIN
30620MCP422GU 12
GND
VSS R422
11 XOUT XOUT
XOUT
10 1k
RESET BSHIFT ON:4.95V C432 R423
9 OFF:0V
Q407
5p
8 BSHIFT BSHIFT 2SK1830F
BSHIFT
7 R420
AUX GND
6
47k
BYTE
5 EEPCLK EEPCLK
EN2 EEPCLK
4 EEPDAT EEPDAT
LEDTX EEPDAT
3
LEDRX
2
PF1 DTMF
1
PF2 PCTV
EEPROM
IC406
AT24128N10SU27
1 8
A0
VCC
C431 2 7
A1
WP
0.01u 3 6 R424 47k
A2 SCL
4 47k
RSSI RSSI 5 R425
GND SDA
BUSY BUSY
THM THM
VOX VOX
5M 5M
4.96V
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 C52 C55 C56 C58 C61 C64 C65 C67 C457 C458
-12 K,M 22n 27n 11p 11p 2p 6p 3p 4p 6p 5p NO NO
-13 K2,M2 18n 22n 12p 12p NO 9p 4p 5p 5p 7p 470p 470p
RF AMP
T:4.96V
D101,202 Q101
T:4.81V 2SK3077F C112
TX/RX R112 R111
RF SW R:0V R103 C107
T:2.846V 7p 0 0
4.62V
47k 6p
C87 D101 C101 C102
10p HSC277 470p 12p Q100
2SC4619
RF AMP
R453
22k
T:4.96V
5T
THM
DCSW
APCSW
B
L250
5R R:2.87V
R:5.01V CF201 T:0V 18n
T:0V L72-0958-05 C290
C213
2p(B)
0.1u
R208 C210
82k 470p
R:5V
FM IF 5R
SYSTEM BPF
IC201 MCF
TA31136FNG XF201
L71-0619-05
R:4.74V
38.85 MHz R:5V
C219 R216 C224 R218 C231 R219 L204 Q204
oUT IN
3SK318 R:1.795V
33p 120k 0.01u 560 2 1 270n
W/N SW/RX 0.01u 560
MIXER
R211
Q202
RT1P441U C239
3.3k R:0.47V R:1.808V
Q203 R226 1000p
2SC4649(N,P)
1k
IF AMP
CN201
C215
1000p
TX_W/N
DTMF
R316
120k
R301 C302 R304
10k 270p 27k
5M
C312
12p
FREQUENCY DIVIDER
LIMLV
IC407 C315
TC7W74FU-F
1u
C450 1 8
CK VCC
X3 0.01u 2 7
L77-1633-05
D PR 10
R410 7.37MHz R409 C435 3 6 DTRLoADN 32
AGND
Q CLR TCLK/DTRDo
0 0 0 5p Q408 4 5 C451 11 31 RXIN
TDATA/DTRCLK RXIN
2SK1830F GND Q
0.01u 12 30 RXINO
DI/o RXINo
R306 13 29
RDF/FD IC301 FILTERo FILTERO
AQUA-L
C452 1k 14 28
SCLK EXPOUT
AUDIO PROCESSOR EXPoUT
15 27
1000p RXAFIN
DIR RXAFIN
16 26
RXAF
Q407,408 XoUT RXAF
BEAT SHIFT SW
3.6864MHz CLK DTRAIN
C309 C313
82p 120p
R310 R313
D301
RB706F-40 390k 100k
C311
R314 2.7k C316 0.1u
1u
C310 0.068u R311 12k
DETECTOR
AFCONT
OPTDET
RXD/PTT
TXD
PCTV
MIC_MUTE
QT/DQT_IN
PTTSW
SB
L206 L290
X57-7130-XX
-12 K,M NO 30n
-13 K2,M2 27n NO
Note : The components marked with a dot ( ● ) are parts of layer 1.
D103,122
ANT SW
D122
TX DRIVE AMP TX FINAL AMP C160 C163 C166
* *
Q102 R:7.61V Q103 * R456
T:1.36V HVC131
2SK2596-E T:7.26V 2SK3476-F 3p
STRIP LINE
C123 L107 C152 D103 C158
L103 L104 R123 R137 L224 L225 L226
8.2n 8.2n
33p(G) 1.2n 0 0 20p HVC131 100p 4T 4T 4T
L223 R145 R147 * C169
4T 0
0
5T 5T
T:2.5V(H)
D104,106
1.97V(L)
APC PROTECT ANT SW
R126
2.2k R135
APC SW
150k(D)
Q109
C140
IC101 RT1P441U
TA75W01FUF
100p
APC SW 1 8 C146
DCSW oUT1 VCC
APCSW Q104 R130 2 7 1000p
RT1N141U
IN1- oUT-B
150k(D)
Q105 3 6
B IN1+ IN2- APC SW
2SK879(Y)F
4 5 Q108
R131 VEE IN2+
APC SW R141 2SK1824-A
150k(D)
100k
COMPARATOR
(APC)
R134
150k(D)
APCSW R142
0
B
R:7.61V Q107
T:7.39V RT1N141U
APC SW
L410
5R
R449 R450 Q205
* * 3SK318
R:4.9V
R:4.98V
C241 R240 * C246 * C248 * C252 * C253 C259 R249
C266
470p R255 C269 C272
470p 0 (B) (B) (B) (B) 470p 22
RF AMP 0 2p 2p
R:2.046V
(B) (B)
R:0.96V *
RF BPF TUNING
PCTV PCTV
D203,204 D205,206
TX_W/N RF BPF TUNING RF BPF TUNING
DTMF
R354 R355
C354
10k 10k 0.1u
R:0.3V(MUTE ON) R343
7.3V(MUTE OFF)
470k SP MUTE SW
T:0.3V IC302
TA7368FG
5M C334 Q306
1 10 2SK3577-A C345
W/N SW/TX 0.1u Q304
NC1 PoUT
2SA1362-F(GR) 2 9 100u6.3
Q301 7.52V
VCC PW-GND
RT1P141U 3 8
NC2
R322 180k DC SW
LIMLV R336 PRE-GND
4 7 C338 100p
VIN PHASE SP MUTE SW
C339
R334 1k 5 6 R337 Q316
RIPPLE NF
R323 56k 2SK3577-A
47k 150 10u6.3
C328 390p
R324 100k
AF AMP
RXIN
C329 C340
RXINO R325 100k R329
R:7.3V(MUTE ON) 0.1u
82k 1u
FILTERO Q303 0.3V(MUTE OFF)
Q305
R321 C322 0.015u RT1N441U T:7.3V RT1N441U
EXPOUT
220k DC SW/SP MUTE DC SW/SP MUTE
RXAFIN R326 0
RXAF
R330
R338 2.2k R345
3.3k C330
R341 10k 100
C325 0.1u R331 C331 1u
DTRAIN
C326 1000p 150k 0.1u
MIC AGC R346 100
DETECTOR ISOLATION
D302 D303 Q302 R344 1k
R318 2SC4919
C317 R328
1.2k
0.1u 10k
RB706F-40 DAN222
L301
R332 C333
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 R241 R449 R450 R456 C145 C151 C156 C157 C159 C160 C161 C164 C166 C168
-12 K,M HVC355B 15n 8.2n 8.2n 8.2n 8.2n 8.2n 1.0M NO NO NO 16p NO 6p 2.5p 2p 2p 5p 5p 0.75p 1p
-13 K2,M2 NO 22n NO 6.8n 6.8n 6.8n 6.8n NO 0 0 0 18p 7p 3.5p 4p 3p 1.5p 6p 6p 1.5p 0.3p
C252 C253 C255 C275 C276 C444 C445
X57-7130-XX C244 C245 C246 C247 C248 C249 C250 C257 C267 C268 C273 C274
-12 K,M 3p 22p 1p 470p 2p 5p 22p 2p 2p 22p 3.5p 3.5p 22p 22p 2p 2p 2.5p 7p 7p
-13 K2,M2 NO NO NO NO NO 3p 18p 1.5p 1p 18p 5p 4.5p 18p 18p 1.5p 2.5p 2p NO 20p
ANT
CN13
C275
(B)
SP
J301
E11-0707-05
PTT/RXD
MIC
MICIN
OPTDET
5MS
AE
TXD
NC
SPO
SPI
MIC1
C169
5p
9p