Kenwood TK-3302 Service Manual page 47

TX-RX UNIT (X57-7580-XX)
5C
PLL_CLK
PLL_DAT C41
CP1 3p 2.9V
RK75HA1J101J
L8 C47 L12
PLL_STB
18n 10p 18n
PLL SYSTEM IC
* C51
Q3
IC1 2SC5636
MB15A02PFV2E1
RECTIFICATION RF AMP
Q1
KTC4075E(Y,GR)
5.01V R7 C33
CV
0
470p
4.93V
* C6
R12 R15 R18 R20 L9
220 560 680 0
TXCO 4.48V
F301 X1
L77-3042-05 R13
F53-0324-05 4.89V
2.5A
L301 R1 R2 * R3 C3 1 4 100
BATT VCoNT VCC
22k 10k 1u
0.64V
BATT 2 3
GND oUTPUT
L2 R9 C16 R11 C26 C31
REVERSE 12.8MHz 4.7u 820 47p 270k 2p 0.01u
Q2
VOLTAGE 2SC4774
PROTECTION TRIPLER
5C
B QTTCXO
PLL_UL
PLL_STB
CN301 PLL_DAT
PLL_CLK
1 B R393 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:4.93V
DTB723YE
R301
470k(D)
DC SW/5R
Q303
5.01V RT1P141U R:4.89V
VOLTAGE
REGULATOR/5V
IC303
XC6209B502PR
VOLTAGE
REGULATOR/5V
IC304
T:7.31V
RECTIFICATION T:7.12V XC6209B502MR 5.02V
R:7.54V
D302 1 5
T:7.37V
VIN VoUT
HRC0203C 2
VSS
3 4
CE NC
R306
180k
PTT L302
SIDE1
LR LG
PTT SIDE2
GND
D303
D304
IC301 B30-2315-05 B30-2314-05
BD4840FVE RED COLOR LED
GREEN COLOR LED
VOLTAGE Side1
DETECTOR/
Q301 Q302
RESET ON:4.92V ON:5.01V
RT1N441U RT1N441U
OFF:0V OFF:0V
Side2
R304
330k DC SW DC SW
/RED COLOR LED /GREEN COLOR LED
X57-7580-XX R3 R16 R17 R23 C6 C11 C15 C35 C38 C51
TK-3302 K,P,(U)K,M
-20 180k 0 1.8k NO 0.01u 10u 0.01u 0.1u35 NO 10p
TK-3306 M
-23 TK-3306 M3 150k 180 1.2k 47 470p 470p 470p 0.047u35 470p 3p
R:3.39V
D3,6
L18
R36
FREQUENCY
CONTROL 270n 100
VCO (RX)
/RX VCO
0.76V
C63
L11 D6 * C52 L15 6p C70
27n
180n 1SV325F 0.5p
VCO/RX
Q4
DC SW/
2SK1875-F(V)
RX VCO
Q7
RT1P430U
R19 R21 C44 R27 R30 * R32
22k 10k 1u 680k 27k
C45 R26
T:3.14V
1u 33k
L17 * R33
D4,8 Q8
RT1P430U
270n
FREQUENCY
CONTROL VCO (TX) DC SW/
/TX VCO TX VCO
L10 D8 * C53 * L16 * C64 * C71
180n
1SV325F
VCO/TX
Q5
2SK1875-F(V)
Q6
D9 KTC4075E(Y,GR)
KDV214E-P
RECTIFICATION
MODULATOR
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
R:3.69V 62
T:3.62V
EN1
63
BATT BATT
DEST1
64
DEST2
65
LD PLL_UL
66
BATT
67
IC305
RSSI
BR24L16F-W 68
BUSY
1 8 69
A0 VCC VOX VOX
MCU
2 7 70
A1 WP QTI QT/DQT_IN
IC306
3 6 71
A2 SCL EEPCLK R5F212CCKCMB
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
1000p
5T_C 5T_C
5R_C 5C_C
5C_C 5R_C
RESET RESET
RESET MODE
AFCONT L303
BSHIFT ON:4.97V
OFF:0V
Q305
2SC4919
QT/DQT_IN
VOX
RSSI
PCTV
AF_CONT
LEDRX LEDRX
LEDTX LEDTX
SB SB
X57-7580-XX L16 R32 R33 R40 C43 C52
TK-3302 K,P,(U)K,M
-20 18n 470k 100 4.7k NO 9p
TK-3306 M
-23 TK-3306 M3 22n 390k 10 NO 100p 20p
*
TX/RX T:4.6V R105
RF SW T:4.61V
R:0V * C109
R102 *
D10 T:3.21V
4.91V MC2858
RF AMP C101 * C103 27k
RF AMP Q11 C86
2.21V 470p Q101
2SC5636 Q102
Q9 10p 2SC5636 2SC4926YD
2SC5636 * C78 C81 R:1.91V
RF AMP
T:1.79V RF AMP
15p
3.69V
R:0.59V
T:5.02V
L21
R:5.01V
T:0.58V
4.01V
L250
RIPPLE
FILTER
18n
Q10 R:3.19V
C290
KTC4075E(Y,GR) T:0V
2p(B)
5C 5C
2ND_LO 2ND_LO
TH_DET TH_DET
DC_SW DC_SW
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
R325 C339 Q307 BUSY
RT1N441U
4.7k 1u
40
39 R323
MOD
APC_SW 38 1k
W/N SW/TX
LEDTX LEDRX
37
RX_SW
36
TX_SW W/N W/N
35
OPTDET
34 C385
TXDATA TXD R340 R342 R372
33
RXDATA RXD 10k 10k 0.1u 0
32
NC
31
2TONE R347
30
NC 0 R355
29
NC 120k
28
NC R341 C356 R345
27
NC 10k 1000p 27k
C364 C371
26
NC
25 AFMUTE 12p 10u
NC
24 DTRLOADN DTRLOADN C367 R357
LED_BLUE MICMUTE STD STD
23 1u 56k
AF_MUTE C372
22
MIC_MUTE
21 TCLK/DTRDO TCLK/DTRDO 10 32 1000p
AUX1 AGND
TDATA/DTRCLK TDATA/DTRCLK 11 31
RXIN
12 TCLK/DTRDo 30
DI/O DI/O TDATA/DTRCLK
DI/o RXINo
R348 13 29
RDF/FD RDF/FD IC308
W/N RDF/FD FILTERo
1k 14 AQUA-L 28
SCLK SCLK
SCLK EXPoUT
15 AUDIO PROCESSOR 27
DIR DIR
DIR RXAFIN
C334 16 26
XoUT RXAF
0.01u
C335
C366
10u
5.02V
1/2_OSC 1/2_OSC 3.6864MHz CLK 0.1u
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
C53 C56 C57 C58 C59 C60 C61 C64 C65 C67 C69 C71 C78 X57-7580-XX Q104 L102 L103 L105 L107 R104 R105 R107 R111
TK-3302 K,P,(U)K,M
11p 12p 8p 1p 1p 2p 3p 5p 6p 5p 470p 0.5p 33p -20 NO 39n 15n 22n 2.7n 47 27k 56 39k
TK-3306 M
9p 8p 12p 1.5p 1.5p 4p 7p 3.5p 4p 4p NO 0.3p 30p -23 TK-3306 M3 RT1N441U 27n 18n 4.7n 2.2n 39 18k 39 47k
TX DRIVE AMP R:7.57V TX FINAL AMP
T:1.30V T:7.24V
Q103 Q106
C115 R109 R141 L104 RQA0004PXDQS * C125 * L107 R119 RD07MVS1BT122
0 0 8.2n 0
T:4.35V(H)
:2.85V(L)
T:4.93V
5T 5T
*
R121
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
* Q104 2SK1824-A
PCTV
150k
DISCHARGE SW (D) * R135
APC
R:7.57V
T:7.44V B C144
470p
DC SW
Q107
RT1N441U
5R 5R
AFVOLOUT
CF201
C208
L72-0973-05 MCF
0.1u 450 kHz XF201
L71-0619-05
T:4.37V 38.85 MHz
C216 R213 oUT IN R214 C223
R212 0.01u 390 330 0.01u
220k
C207
R205
Q202
82k 2SC4774
560p
IF AMP
IC201
TA31136FNG
FM SYSTEM IC
C214
2p
W/N SW/RX
R209
W/N Q201
RT1P441U 3.3k
RSSI
W:0.01V
N:5.01V
C386 R368 AFVOLOUT
0
0.01u
R356 C377
4.7k 0.068u
C381 C363 82p
R349 1M
390p
C390
R364 R369
R350
100k 82k 1u
R363 120k
D307
100k C365
MC2850
R361 LIMITER
82p
0 C382 R367 R373 R352
0.015u 39k 220k RECTIFICATION 150k
D306 R353 MIC MIC
KDR731
R365 12k
C361
3.3k
1u
C374 C384
R366
1000p 150k 0.1u
PTT PTT
OPTDET OPTDET
TXD TXD
MIC_MUTE MIC_MUTE
QT/DQT_IN
VOX 5M
RSSI
PCTV
AF_CONT AF_CONT
5M 5M
SB SB
R116 R118 R121 R122 R124 R135 R201 R210 C103 C104 C109 C115 C117 C118 C122 C123 C125 C126 C127 X57-7580-XX
TK-3302
330 NO 10k 27k 22 180k 82k 3.9K 30p 4p 6p 11p 11p NO NO NO 10p 11p 16p -20
TK-3306
NO 330 15k 68k 100 100k 180k 4.7K 12p 16p 15p 5p NO 9p 1u 0.5p 15p NO 47p -23 TK-3306
C173 * C175 * C177
ANT SW
STRIP LINE 0.5p
R137 * C166 D103 C170 L113 L114 L115
0 100p 4T 4T 4T
HSC277
L112 R140
4T 0
ANT SW ANT SW
R:4.88V
T:0V R:4.88V
L208
BPF
R:4.88V
L204 R:1.75V R:4.78V
Q203
3SK318
180n * * * R:4.84V
C234 R220 C238 C240 C245 C247 C250 R222 R:1.94V
MIXER
* *
470p 0 1p 1p 470p C256 R226 C259 C261
* C231
R:0.47V R:1.75V
R215 Q204 470p 0
R:0.93V 3SK318
2.2k
* C264
Q204
LOW NOISE AMP
PCTV PCTV
D204,205
D201-203
RF BPF TUNING RF BPF TUNING
SB SB
R380
470k
AUDIO AMP
IC309 MUTE SW
R:0.2V(MUTE ON)
TA7368FG
DC SW 7.4V(MUTE OFF) Q315
T:0.2V 1 10 2SK3577-A C404
NC1
Q313
2SB1694 2 PoUT 9
7.54V VCC 100u6.3
MUTE SW
3 PW-GND 8
NC2
Q316
C396 R379 4 PRE-GND 7 C399 2SK3577-A
VIN
PHASE
0.1u 1k 5 6 R381 100p
RIPPLE
NF
150 C400
R377 10u
R:7.51V(MUTE ON)
47k
0.16V(MUTE OFF)
T:7.36V
C402
0.1u
Q314
RT1N441U
MUTE SW
Q312
RT1N441U
DC SW
MIC
R388
100
L305 PTT/RXD
C383 R374 C392 MIC
MICIN
0.1u 15k 0.047u OPTDET
R370 5M
D308 AE
C369 KDR731 Q310
TXD
1k 2SC4116(GR)F NC
0.1u
MIC MUTE SPO
D308,309 SPI
RECTIFICATION
D309
MIC MUTE
C370 KDR731
R371 Q311
0.1u 2SA1586(Y,GR)F
2.7k CP304
RK75HA1J102J
Q308
SB
KTC4075E(Y,GR)
RECTIFICATION
R385
100
L205 R218 R222 R223 C142 C145 C146 C155 C161 C162 C164 C166 C172 C174 C175 C176 C177 C178 C231 C235 C236 C237 C240 C242 C244 C247 C248 C249 C257 C259 C261 C263 C264 C265 C266
K,P,(U)K,M
27n 56k 22 220 43p NO 12p NO 1p 2p NO 6p 3p 5p 2p 5p 2p 3p 470p NO 4p 22p 2p 6p 22p 2p 22p 4p 3.5p 2p 3p 1p 3.5p 3p 5p
M
M3 33n 82k 15 120 39p 36p NO 0.3p 1.5p NO 3p 7p 1p 10p NO 10p 0.3p 6p 1000p 0.75p 7p 27p 4p 8p 27p 4p 27p 8p 8p 1.5p 2p 6p 2p 5p 7p
CN13
ANT
J301
MIC301
C411
470p
NO