Kenwood TK-3302 Service Manual page 45

X57-7582-XX C4 C6 C25 C38 L9 R3 R9 R11 R18 R23
-71 E,T 0.1u 0.01u 27p NO L92-0138-05 180k 0 680k 330 NO
-72 E3 0.33u 470p 30p 470p L92-0470-05 150k 820 270k 390 47
TX-RX UNIT (X57-7582-XX)
5C
PLL_CLK
C41
PLL_DAT
CP1 3.25V
3p
RK75HA1J101J
L8 C47 L12
PLL_STB
18n 10p 18n
PLL SYSTEM IC
Q3 C51
IC1 2SC5636
MB15A02PFV2E1 3p
RECTIFICATION RF AMP
Q1
KTC4075E(Y,GR)
5.0V R7 C33 CV
0
470p 4.93V
* C6
* L9
R12 R15 * R18 R20
220 560 1k
TCXO 4.35V
F301 X1
L77-3042-05 R13
F53-0324-05 4.89V
2.5A C3
L301 R1 R2 * R3 1 4 100
BATT VCoNT VCC
22k 10k 1u
0.5V
BATT 2 3
GND oUTPUT
* C16 * C26
L2 R9 R11 C31
4.7u
REVERSE 12.8MHz 47p Q2 2p 0.01u
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:4.93V
DTB723YE
R301
470k(D)
DC SW/5R
Q303
5.01V R:4.89V
RT1P141U
VOLTAGE
REGULATOR/5V
IC303
XC6209B502PR
VOLTAGE
REGULATOR/5V
IC304
RECTIFICATION R:7.29V
T:6.90V XC6209B502MR 5.02V
R:7.48V
T:7.08V D302 1 5
VIN VoUT
HRC0203C 2
VSS
3 4
CE NC
R306
180k
PTT L302
SIDE1
LR LG PTT SIDE2
IC301 GND
D303 D304
BD4840FVE
B30-2315-05 B30-2314-05 CN3
VOLTAGE
RED COLOR LED GREEN COLOR LED
DETECTOR/ Side1
RESET
Q301 Q302
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
X57-7582-XX C43 C48 C52 C53 C54 C55 C56 C57 C58 C61 C64 C65 C67 C69 C78 D2 D3 L15
-71 E,T 470p NO 6p 11p NO 2p 12p 6p 1p 3p 5p 6p 5p NO 33p NO 1SV325F 27n
-72 E3 100p 3p 9p 7p 3.5p 0.5p 8p 20p 1.5p 7p 3.5p 4p 4p 470p 30p HVC376B NO 33n
R:3.25V
D2,3,6 L18 R36
FREQUENCY
270n 100
CONTROL VCO (RX)
/RX VCO 0.76V
C63
L11 D6 * C52 * L15 6p C70
180n 0.5p
1SV325F
VCO/RX
Q4
2SK1875-F(V) DC SW/
RX VCO
Q7
RT1P430U
*
R19 R21 C44 R27 R30 R32
22k 10k 1u 680k 27k
C45
R26
T:3.3V
1u 33k
L17 * R33
Q8
D4,8 RT1P430U
270n
FREQUENCY
DC SW/
CONTROL VCO (TX) TX VCO
/TX VCO
L10 D8 * C53 * L16 * C64 C71
180n 0.3p
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
R:3.69V EN2
62
T:3.62V
EN1
63
BATT BATT
DEST1
64
DEST2
65
LD PLL_UL
66
BATT
67
RSSI
IC305
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 R5F212CCKCMC
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
1000p
5T_C 5T_C
5R_C 5C_C
5C_C 5R_C
RESET RESET
RESET MODE
L303
AFCONT
BSHIFT ON:4.97V
OFF:0V
Q305
2SC4919
QT/DQT_IN
VOX
RSSI
PCTV
AF_CONT
LEDRX LEDRX
LEDTX LEDTX
SB SB
L16 R32 R33 R37 R42 X57-7582-XX C103 C104 C109 C111 C115 C117 C118 C123 C125 C126 C127 C128
18n 470k 100 4.7k 22 -71 E,T NO NO 6p 1u 6p 12p NO NO 10p 12p 22p NO
22n 390k 10 3.9k 47 -72 E3 12p 16p 18p 10u 5p NO 9p 0.5p 15p NO 47p 1u
R:0V * R105
TX/RX T:3.21V T:4.72V T:4.51V
RF SW
* R150 R102 * C109
D10
4.82V MC2858 27k
RF AMP C101 * C103
C86
RF AMP Q11
4.28V 470p
Q9 2SC5636 Q101 Q102
* 10p 2SC5636 2SC5455-A
2SC5636 C78 C81 R:3.70V
RF AMP RF AMP
T:3.77V
15p
3.69V
R:0.59V
T:5.02V
L21
R:5.01V
T:0.58V
4.70V
L250
RIPPLE
FILTER 18n
Q10 R:3.19V
KTC4075E(Y,GR) T:0V C290
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
W/N SW/TX
1k R325 C339 Q307
BUSY
RT1N441U
4.7k
1u
40
39 R323
MOD
APC_SW 38 1k
LEDTX LEDRX
37
RX_SW
36
TX_SW W/N W/N
35
OPTDET
34 R340 R342 C385 R372
TXDATA TXD
33 10k 10k 0
RXDATA RXD 0.1u
32
NC
31
2TONE R347
30
NC 0 R355
29
NC 120k
28
NC R341 C356 R345
27
NC 10k 1000p 27k
26 C364 C371
NC
25 12p 10u
AFMUTE
NC C367 R357
24 DTRLOADN DTRLOADN
LED_BLUE MICMUTE STD STD 56k
23 1u
AF_MUTE C372
22
MIC_MUTE 10 32 470p
21 TCLK/DTRDO TCLK/DTRDO
AUX1 AGND
11 31
TDATA/DTRCLK TDATA/DTRCLK
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 AQUA-L FILTERo
1k 14 28
SCLK SCLK
SCLK AUDIO PROCESSOR EXPoUT
15 27
DIR DIR
DIR RXAFIN
C334 16 26
XoUT RXAF
0.01u
C335
C366
10u
5.02V 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
(B) (B) 10k PTT PTT
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
C130 C147 C206 C207 C214 L101 L102 L103 L104 L105 L107 R105 R107 R108 R109 R110 R116 R124 R150 R210 R212 R214
2.2u NO 680p 680p 11p NO 33n 15n 1n 22n 2.7n 33k 68 820 22 820 330 22 0 3.9K 220K 330
1u 10u 820p 820p 2p 18n 27n 18n 8.2n 16n 2.2n 18k 56 1.5k 15 1.5k NO 100 NO 4.7K 120K 100
TX DRIVE AMP R:7.5V TX FINAL AMP
T:1.21V T:6.91V
Q103
* Q106
* C115 * R109 C116 * L104 RD01MUS1-T113 * C125 L107 R119 RD07MVS1BT122
470p 0
T:4.35V(H)
:2.85V(L)
T:5.08V
5T 5T
R121
15k R130
330k(D) DC SW
IC101
C137
BA2904FVM Q109
RT1P441U
100p 5 4
+IN2 VEE
R128 6 3
VOLTAGE
PROTECTION -IN2 +IN1
150k 7 2
(D) oUT2 -IN1 DC SW
8 1
Q108
R127 VCC oUT1
R135 2SK1824-A
150k PCTV
(D) 100k
APC
R:7.5V
C144
T:7.17V B
470p
DC SW
Q107
RT1N441U
5R 5R
AFVOLOUT
C208 CF201
L72-1025-05 MCF
450 kHz
0.1u XF201
T:4.37V L71-0637-15
38.85 MHz
C216 R213 oUT IN * R214 C223
* R212 0.01u 390 0.01u
R205 * C207
Q202
82k 2SC4774
IF AMP
IC201
TA31136FNG
FM SYSTEM IC
* C214
W/N SW/RX
R209
Q201
W/N
RT1P441U 3.3k RSSI
W:0.01V
N:5.01V
C386 R368 AFVOLOUT
0.01u 0
R356 C377
4.7k 0.068u
C381 C363 82p
390p R349 1M
R364 R369 C390
100k 82k 1u R350
R363 120k
D307
100k C365
MC2850
R361 LIMITER 82p
R352
0 C382 R367 R373
RECTIFICATION 150k
0.015u 39k 220k
R353
D306 MIC MIC
KDR731
R365 12k
C361
3.3k
1u
C374 R366 C384
150k
1000p 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
X57-7582-XX C142 C145 C146 C155 C161 C162 C164 C166 C172 C174 C176 C177 C178 C231 C235 C236 C237 C240 C242 C244 C247 C248 C249 C257 C261 C263 C264 C265 C266 C411
-71 E,T 43p NO 12p NO 1p 2p NO 6p 5p 6p 6p 2.5p 4p 470p NO 4.5p 22p 6p 6p 22p 6p 22p 4.5p 3.5p 3p 1p 4.5p 3p 5p 470p
-72 E3 47p 36p NO 0.3p 3p NO 3p 7p 1p 10p 10p 1p 6p 1000p 0.75p 7p 27p 4p 8p 27p 4p 27p 8p 8p 2.5p 6p 2.5p 5p 3.5p NO
X57-7582-XX L204 L210 R215 R216 R219 R220 R222 R223 R224 R225 R226
-71 E,T 150n 270n 1k 100 56k 47 39 100 NO 68k 22
-72 E3 82n 150n 2.2k 82 47k 0 100 82 680k 56k 0
C173 C175 *
C177
ANT SW 0.5p 1p
STRIP LINE
R137 * C166 D103 C170 L113 L114 L115
0 HSC277 100p 4T 4T 4T
CN2
R138
150
L112 R140
4T 0
ANT SW ANT SW
R:4.88V
T:0V R:4.88V
L208
BPF
R:4.88V
* R:4.54V
L204 R:1.75V
Q203
3SK318 R:4.78V R:1.94V
C234 * R220 C238 * C240 C245 * C247 C250 *
R222
MIXER
C256 * C259 * C261
470p 1p 1p 470p R226
* C231
* R215 R:0.34V R:1.75V Q204
470p 3p
R:0.73V 3SK318
* 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)
7.4V(MUTE OFF) TA7368FG Q315
DC SW
T:0.2V 1 10 2SK3577-A C404
Q313 NC1
PoUT
7.54V 2SB1694 2 9 100u6.3
VCC PW-GND
MUTE SW
3 NC2 8
PRE-GND
Q316
C396 R379 4 7 C399 100p 2SK3577-A
VIN PHASE
0.1u 1k 5 RIPPLE 6
NF
R381 C400
R377 150
10u
47k
R:7.51V(MUTE ON)
0.16V(MUTE OFF)
T:7.36V
C402
0.1u
Q314
RT1N441U
MUTE SW
Q312
RT1N441U
DC SW
MIC
R388
100
C383 R374 C392 L305 PTT/RXD
MIC
15k MICIN
0.1u 0.047u OPTDET
R370 5M
D308 AE
C369 KDR731 Q310
1k 2SC4116(GR)F TXD
NC
0.1u MIC MUTE SPO
D308,309 SPI
RECTIFICATION
D309
C370 MIC MUTE
KDR731
R371 Q311
0.1u 2SA1586(Y,GR)F
8.2k CP304
RK75HA1J102J
Q308
SB KTC4075E(Y,GR)
RECTIFICATION
R385
100
CN13
ANT
J301
MIC301