Kenwood TK-3301 Service Manual page 39

TX-RX UNIT (X57-7772-70)
5C
PLL_CLK
C41
PLL_DAT
CP1 3p 2.54V
RK75HA1J101J
L8 C47 L12
PLL_STB
18n 18n
10p
PLL SYSTEM IC
C51
IC1 Q3
2SC5636
MB15A02PFV2E1 10p
RECTIFICATION RF AMP
Q1
KTC4075E(Y,GR)
R7
4.99V C33 CV
0
470p
4.92V
C6
R12 R15 R18 R20 L9
0.01u
220 560 680 1.5k
TCXO
4.42V
F301 X1
R13
F53-0321-05 L77-3042-05 4.88V
L301 1.5A R1 R2 R3 C3 1 4 100
BATT VCoNT VCC
18k 12k 180k
1u
BATT 2 3 0.68V
GND oUTPUT
L2 R9 C16 R11 C26 C31
12.8MHz 4.7u 2.2k 270k Q2 2p 0.01u
REVERSE 47p
VOLTAGE 2SC4774
PROTECTION TRIPLER
5C
B QTTCXO
PLL_UL
PLL_STB
CN301 PLL_DAT
1 B R393 PLL_CLK
B
2 SB 0
3 AFVOLIN
4 AFVOLOUT R302 0
5 AFVOLGND R303 100
6 EN1
7 EN2 EN1
8 GND EN2
9 EN3 EN3
10 EN4 EN4
11 EN5 EN5
DC SW/5T
Q304
T:4.90V
DTB723YE
R:3.68V
T:3.62V
R301
470k(D)
DC SW/5R
Q303
R:4.99V R:4.85V
RT1P141U
VOLTAGE
REGULATOR/5V
IC303
XC6209B502PR
VOLTAGE
REGULATOR/5V
IC304
RECTIFICATION R:3.72V
T:3.16V XC6209B502MR 5.00V
R:3.53V
D302 1 5
T:3.40V
VIN VoUT
HRC0203C 2
VSS
3 4
CE NC
R306
180k
L302
PTT
SIDE1
LR LG PTT
SIDE2
GND
D303 D304
IC301 B30-2315-05 B30-2314-05 CN3
BD4840FVE
RED COLOR LED GREEN COLOR LED
Side1
VOLTAGE
DETECTOR/
RESET Q301 Q302
ON:4.90V ON:5V
RT1N441U RT1N441U
OFF:0V OFF:0V
Side2
R304
330k DC SW DC SW
/RED COLOR LED /GREEN COLOR LED
0.78V
R19 R21 C44 R27 R30 R32
27k 12k 1u 680k 27k 470k
C45 R26
33k
1u
T:3.19V
D4,8 L17 R33 R50
FREQUENCY VCO 270n 100 0
CONTROL
/VCO
C64
L10 C71
D8 C53 L16 5p
180n 1SV325F 8p 27n 0.3p
VCO
Q5
2SK1875-F(V)
MODULATOR
Q6
KTC4075E(Y,GR)
RECTIFICATION
5C 5C
2ND_LO 2ND_LO
QTTCXO QTTCXO
PLL_UL PLL_UL
PLL_STB PLL_STB
PLL_DAT PLL_DAT
PLL_CLK PLL_CLK
B B
5R 5R
AFVOLIN AFVOLIN
AFVOLOUT AFVOLOUT
MOD
5T 5T
5M 5M
R394
EN1 EN1 47k
EN2 EN2
EN3 EN3
EN4 EN4
EN5 EN5
PTT PTT
SIDE1 SIDE1
SIDE2 SIDE2
INT INT
PTTSW
61
EN2
62
EN1
63
BATT BATT
DEST1
64
DEST2
65
LD PLL_UL
66
BATT
67
IC305 RSSI
68
BR24L16F-W
BUSY
1 8 69
A0 VCC VOX VOX
2 7 70
A1 WP QTI QT/DQT_IN
3 6 71
R5F212CCKCMD
A2 SCL EEPCLK
4 5 72
GND SDA EEPDAT
R313 73
THDET TH_DET
1k 74
EEPROM
DTMF
R309 75
AVSS
0 76
PCTV PCTV
77
VREF
R310 78
AVCC
0 79
PLLDAT
80 PLLCLK
C413
470p
5T_C 5T_C
5C_C 5C_C
5R_C 5R_C
RESET RESET
RESET MODE
AFCONT L303
BSHIFT ON:4.96V
OFF:0V
Q305
2SC4919
QT/DQT_IN
VOX
RSSI
PCTV
AF_CONT
LEDRX LEDRX
LEDTX LEDTX
SB SB
TX/RX T:4.09V R105
RF SW C109
T:3.18V R102 33k
D10
4.81V MC2858
RF AMP C101 C103 27k 6p
RF AMP C86
Q11
4.45V 2SC5636 470p 30p Q102
Q9 10p Q101
2SC5636 C78 C81 2SC5455-A
R:3.81V 2SC5636
T:3.71V RF AMP
RF AMP
33p 15p
3.52V
L21 3.99V
L250
RIPPLE
FILTER 18n
Q10 C290
KTC4075E(Y,GR) R:3.15V
2p(B)
5C 5C
2ND_LO 2ND_LO
TH_DET TH_DET
APC_SW APC_SW
B B
5R 5R
AFVOLIN AFVOLIN
AFVOLOUT AFVOLOUT
MOD MOD
5T 5T
BUSY BUSY
DTMF DTMF
MDSW
DTRLOADN
STD
TCLK/DTRDO
TDATA/DTRCLK
DI/O
RDF/FD
SCLK
PTT
DIR
TXD
R322
1k
MOD
40
39 R323
APC_SW 38 1k
LEDTX LEDRX
37
RX_SW
36
TX_SW
35
OPTDET
34
R340 R342 C385 R372
TXDATA TXD
33
10k 10k 0.1u 0
RXDATA RXD
32
NC
MCU 31
IC306 2TONE R347
30
NC 0
29
NC
28
NC
27 R341 C356 R345
NC
26 10k 1000p 27k C364
NC
25 12p
AFMUTE
NC C367
24 DTRLOADN DTRLOADN
LED_BLUE MICMUTE STD STD
23 1u
AF_MUTE
22
MIC_MUTE
21 TCLK/DTRDO TCLK/DTRDO 10
AUX1 AGND
TDATA/DTRCLK TDATA/DTRCLK 11
RXIN
TCLK/DTRDo
W/N DI/O DI/O 12 TDATA/DTRCLK
DI/o RXINo
RDF/FD RDF/FD R348 13 IC308
RDF/FD AQUA-L FILTERo
SCLK SCLK 1k 14
SCLK AUDIO PROCESSOR EXPoUT
DIR DIR 15
DIR RXAFIN
C334
16
XoUT RXAF
0.01u
C335
C366
10u
5.00V 0.1u
1/2_OSC 1/2_OSC 3.6864MHz CLK
5M 5M
X301 BEAT SHIFT SW
L78-1433-05
Q306
14.746MHz
C332 R319 C337 2SC4919
R321
5p 0 5p
10k PTT PTT
(B) (B)
OPTDET OPTDET
BEAT SHIFT SW TXD TXD
MIC_MUTE MIC_MUTE
QT/DQT_IN QT/DQT_IN
VOX VOX
RSSI RSSI
PCTV PCTV
AF_CONT AF_CONT
LEDRX
LEDTX
SB SB
R:7.5V
TX DRIVE AMP TX FINAL AMP
T:3.75V T:2.63V T:7.34V
Q103 Q106
C115 R109 R141 L104 RD01MUS1-T113 C125 L107 R119 RD02MUS1BT112
0 0 1.0n 10p 2.7n 10
6p
T:4.1V
T:4.90V
5T
R121
12k R130
330k(D) DC SW
IC101
C137
BA2904FVM Q109
RT1P441U
5 4
100p
+IN2 VEE
R128 6 3
VOLTAGE
-IN2 +IN1
PROTECTION 150k 7 2
(D) oUT2 -IN1 DC SW
8 1
R127 VCC oUT1 Q108
2SK1824-A
R135 PCTV
150k
(D) APC 100k
C144
B
470p
DC SW
Q107
RT1N441U
5R
AFVOLOUT
C208 CF201
L72-0959-05 MCF
0.1u 450kHz XF201
L71-0549-15
T:4.37V 38.85MHz
C216 R213 OUT IN R214 C223
R212 560 100
0.01u 0.01u
C207 220k
R205 1000p
Q202
82k 2SC4774
IF AMP
IC201
TA31136FNG
FM SYSTEM IC
BUSY
C214 4.27V
2p
RSSI
R:4.95V
R355 C386
120k 0.01u
C371
10u R356 C377
R357
4.7k 0.068u
56k C381 C363 82p
C372
390p R349 1M
C390
32 470p R364 R369
R350
31 100k 82k 1u
120k
30 R363
D307
C365
29 100k MC2850
LIMITER
28 R361 82p
C382 R352
27 0 R367 R373
RECTIFICATION 150k
26 0.015u 39k 220k
R353 MIC
D306
KDR731
R365 12k
C361
3.3k
1u
C374 R366 C384
150k
1000p 0.1u
PTT
OPTDET
TXD
MIC_MUTE
QT/DQT_IN
VOX
RSSI
PCTV
AF_CONT
5M
SB
C173 C175 C177
ANT SW 0.5p 2p 2.5p
STRIP LINE
R137 C166 D103 C170 L113 L114 L115
0 4T 4T 4T
6p HSC277 100p
CN2
L112 R140
5T 5T
4T 0
ANT SW ANT SW
R:4.85V
T:0.01V R:4.85V
5R L208
BPF
R:4.84V R:4.36V
L204
Q203 R:1.70V
180n 3SK318 R:4.8V R:1.69V
C234 R220 R230 R231 C245 C247 C250 R222
MIXER
470p 0 0 0 1p 1p 470p 120 C256 R226 C259 C261
C231
R:0.26V R:1.72V Q204 0 2.5p 4.5p
R215 470p 470p
R:0.61V 3SK318
820 C264
3.5p
Q204
LOW NOISE AMP
SB SB
R380
470k
AUDIO AMP
IC309 MUTE SW
R:0.3V(MUTE ON)
TA7368FG
DC SW 7.48(MUTE OFF) Q315
T:0.3V 2SK3577-A
1 NC1 10 C404
Q313
2SB1694 PoUT
2 VCC 9 100u6.3
PW-GND 8 MUTE SW
3 NC2
Q316
PRE-GND
AFVOLOUT C396 R379 4 VIN 7 C399 100p 2SK3577-A
PHASE
0.1u 1k 5 RIPPLE 6
NF
R381 C400
R377 150 10u
47k
R:7.49V(MUTE ON)
0.15V(MUTE OFF)
T:7.36V
MUTE SW
C402
Q314
RT1N441U
0.1u
DC SW
Q312
RT1N441U
MIC
R388
100
MIC C383 R374 C392 L305
0.1u 15k 0.047u
D308 R370
C369 Q310
KDR731
1k 2SC4116(GR)F
0.1u
MIC MUTE
D308,309
RECTIFICATION
D309 MIC MUTE
C370
KDR731
R371 Q311
0.1u 2SA1586(Y,GR)F
2.7k CP304
PTT RK75HA1J102J
OPTDET
TXD
MIC_MUTE
Q308
5M SB
KTC4075E(Y,GR)
AF_CONT RECTIFICATION
R385
5M
SB 100
ANT
C266
5p
PTT/RXD J301
MIC
MICIN
OPTDET
5M
AE
TXD
NC
SPO
SPI
MIC301