Kenwood TK-3107G Service Manual page 49

TX-RX UNIT (X57-6030-XX)
C25 L6 2SC5108(Y)F
470p 18n
C29
X1 2p
L77-1877-15
T:4.9V 12.8MHz
R:4.9V
C5
R29 4.7u6.3 R3
0 10
R19
100
CV
C4 R11
0.1u VR1 47k
UNLOCK 68k R18
DETECT
100k
D7 R2 R5 R7 R10 R13 L7
MA2S111-F 1k L2 560 560 2.2k 0
8.2u
R:4.9V
L5 R14
560n 100
C28
33p
CP1 R8 C19 L16 L17
1k*4
330k 0.01u 220n 220n
TRIPLER
IC1 Q1
MB15A02PFV2E1
2SC4649(N,P)
R:0.7V
PHASE LOCKED
LOOP SYSTEM
TO
RX
R406 2.2k
Q402
DTA114YEB T:5.1V T:5.0V
T:5.1V
DC SW R:0V R:2.2V
R:5.1V
L401 C414
470p
DC SW
Q406
EEPROM FP210
VOLTAGE REGULATOR
IC401
T:5.1V T:5.1V IC404
AT24C08BN-SH R:5.1V R:5.1V
XC6201P502PR R540 R411 R407 R424 R425
1 8 5M VOUT 0 220k 1k
A0 VCC VIN 3.3k 3.3k
2 7 VSS
A1 WP
3 6
A2 SCL
4 5
C412
VSS SDA DC SW DC SW
10p
DC SW
R401 R405
Q405 T:2.0V
100k 1k Q403 UPA672T-A
DTC144EE T:0V
X400 T:2.0V R:6.0V
R:1.9V
L77-1761-15
RESET SW
7.3728MHz
IC400 2.3V
T:5.1V VOLTAGE DETECT
PST9140NR
R:5.1V IC402 C415 R412 L403
1 5
NC VCC 5M R3111N451C-F
10p 10 220n
2 R404 1 5 BEAT
VEE1 SHIFT SW
3 4 oUT NC2
VEE2 OUT 0 2 SB
VDD
3 4 5MS
GND NC1 SAVE
5TC
WNRC
VCCN
T:4.9V
C420 C422
R:4.9V
R1 C418 0.01u 0.01u C425
R417
1k 0.01u 0.01u
10
LED TX LED BUSY
50 26
51 25
DC SW DC SW
MONI
Q400 Q401 SELF
5.1V 5.1V
DTC114EE DTC114EE DT
CK RXD
TXD
LE PTT
R418
MCU TO 2.2k
5MC BEEP PTT MONI
AFCO
RX IC403
38268MCA060GU
GLED R502
RLED
R:4.7V SAVE APC 82k
R:4.8V
MUTE VCCN
5RC R413
5TC BATT 1k
BUSY
TI
CHANNEL SWITCH TIBI
POWER SWITCH
VC2 *
VC1 R500 R501 R513
AUDIO VOLUME
75 1
4.7k 4.7k 33k
76 100
L402
CN400
T:5.1V
R:5.1V 220n
10 ENC2
9 ENC3 L400
220n
8 SB
7
6 B
5 ENC1
4 ENC0
3 TO VOLUME
2 TO AF AMP
MUTE
1
R430 AFCO
RX
100 SB
R431
0
X57-6030-XX R513 R518
-10 C 33k 6.8k
-25 C2 47k 10k
RF AMP
Q2
C54
3p(B)
VCO TX
Q4
L9 D4 * C35 * L14
2SC4228(R44)
T:2.4V 3.3u MA2S376
T:1.4V
R:2.4V
R:0V
C49
0.5p(B)
D2,4
D5
FREQ. R26
CONTROL TX MODULATION
L10 R22 100
MOD MOD
47k
D1,3 L15 R28
FREQ.
100n T:0V 22
CONTROL
R:4.0V
D3
* * * C39
L8 MA2S376 C34 L13 C47
T:0V
R:5.0V 100n
1p(B)
VCO RX
5R 5R
Q3 T:0V
2SK508NV(K52)
R:1.0V
TO
5C 5C
2nd Local 2nd Local
RX RX
PABC PABC
5R
5T 5T
C305 R303 C301
0.01u(J) 3.3k 0.018u
Q408 R317 AUDIO AMP
DTA123JE
ACTIVE FILTER
DC SW 270k(D) IC300
NJM2902V-ZB
B B R312
12k 1 14 R304
C309 2 13 1M
T:7.4V
R:7.5V R302
0.01u(J) 3 12
5.6k
4 11
VDD VSS
5 10
C312 C316 6 9
0.01u(J) 0.01u(J) 7 8
R340
R:1.8V
120k(D)
R321 R307
R:2.1V 22k 47k
C321 C320
Q300
2SC4617(S) Q303
R:1.5V 0.033u(J) 0.033u(J)
ACTIVE DTA144EE
R326
FILTER DC SW
5.6k(D)
W:5.0V
N:0V
TP3
AUDIO
MUTE SW
Q302 R:3.9V
2SK1824-A
WNRC WNRC
TIBI TIBI
5MS 5MS 5MS
TI TI
BUSY BUSY BUSY
R548
B
3.3k
APC APC APC
TXD TXD TXD
PTT PTT PTT
C503 ACTIVE T:3.1V
FILTER
0.033u R514
* Q501
R508
2SC4617(S) 33k
T:2.9V
TH501
C507 R510 C509
3k 2.2u4 3.3k 3300p
* R506
C504 TO C505
4.7u6.3 1u
* R503
VR500
220k
TO TO
B B
WNTC WNTC
TO VOLUME TO VOLUME
MUTE MUTE
AFCO AFCO
RX RX
SB SB
TO AF AMP TO AF AMP
X57-6030-XX D5 L13 L14 L18 R23 R24 R25 R27 R503 R504 R505 R506 R508 C34 C35 C36 C37 C38 C39 C41
-10 C MA360 23n 23n 47n 6.8k 8.2k 100 330 68k 33k 150k 22k 5.6k 18p(J) 7p 8p(B) 33p 5p 8p(D) 4p
-25 C2 1SV214-F 27n 27n NO 3.9k 4.7k 150 270 12k 68k 120k 10k 2.2k 33p(J) 15p(J) 7p(B) 30p(J) 6p(B) 10p(C) 5p(B)
T:4.8V
C108 R112
RF AMP
T:3.8V 7p 1.5k
RF BUFFER AMP Q100 RF SW
R:3.8V
Q6 2SC5108(Y)F C105 D100 C106
2SC5108(Y)F C53 C100
6p HSC277 470p Q101 Q102
6p 22p 2SC5108(Y)F 2SC4988-E
TX PRE-DRIVE TX DRIVE
T:1.1V
R:1.3V
DC SW
Q5
2SJ243-A
DC SW
Q7
UMC4N
L19
R33
1k RF SW
RIPPLE FILTER
Q8 T:4.2V
2SC4617(S)
R:4.2V
T:0.1V
R:4.3V
CURRENT
STEERING
B
2nd Local 2nd Local
PABC PABC
5R 5R
5T 5T
R:4.9V
2nd IF 450kHz R:4.2V
R200
10
C205
R201
1k 330p
R202 C206
R320
390k 330p
47k
ACTIVE
IF SYSTEM
FILTER
IC301 IC200
NJM2904V-ZB TA31136FNG
C303
1 8
0.1u V+
2 7
R:1.1V
QT/DQT R311 3 6 R318
0 4 5 180k
GND C338
56p
R323
100k
D300
DA221
R:1.8V
5R
R:1.8V
LIMITER
AF AF
TIBI
5MS 5MS
TI
BUSY BUSY
B B
APC APC
TXD TXD
PTT PTT
MIC AMP/LIMITER
IC500
R524
NJM2100V-ZB
ACTIVE
T:3.1V 51k
FILTER 5 4
Q502 R519 V-
T:0.5V C516 6 3
2SC4617(S)
33k
R520 C514 R523 10p 7 2 C520
T:2.9V
33k 0.047u 6.8k 8 1 0.022u(J)
V+
R515 C511 C512
33k 0.047u 3300p
DC SW
W:0V Q500 R525 C518
N:5V 2SK1824-A
1.5k 0.022u(J)
WNTC
MUTE MUTE
AFCO AFCO
RX RX
SB SB
TO AF AMP TO AF AMP
C42 C44 C45 TC1 X57-6030-XX L119 L120 L202 R117 R125 R127 R216 R222 R235 R236
10p(D) 6p 10p(C) 6p -10 C 2.2n NO 15n 120k 47k 0 56k 1k 100k
12p 12p 9p(B) 10p -25 C2 3.3n 2.7n 18n 47k 18k NO 10k NO 18k
* L120
TX DRIVE
T:7.1V
Q105
2SK2596-E * L119 C119 * R127
T:0.5V
C111 R115 C114 R120 1000p
T:0.9V
6p 10 470p 0
T:0.5V
T:1.0V
5T
APC APC
DC SW
T:7.4V
Q104
UFMMT717
Q110
DTC114TE
TEMPERATURE
PROTECTION SW
DC SW B
T:5.1V
Q103
2SK1824-A
B
R:4.9V
PABC
5R
CF200
L72-0958-05
OUT IN R:3.7V
TP2
2nd LOCAL
38.4MHz
1st IF 38.85MHz
IF AMP
R:3.9V
Q201 XF201
R:0.7V L71-0522-05 R:4.9V
2SC4649(N,P) MIXER
R210 C214 OUT IN R239 C267 R240
Q202
3SK318
470 0.01u 270 47p 0 D
G2 *
C264
S
G1
R:0.6V
R226
560
R:1.0V
C210 C212
C218
0.01u 33p
470p
R207 DC SW
100k Q200
DTA114EE
5R
5MS
B B
APC APC
TXD TXD
PTT PTT
Q504
DTA143ZEB
DC SW R:5.1V
T:5.1V
C524 C525 L500
0.027u(J) 0.1u
AGC MIC MUTE
DETECT /AGC SW
D500 D501
MIC MUTE
1SS372F DAN222 /AGC
R530
R532
100 Q503
2SC4919
820
AFCO
SB
TO AF AMP
R237 R238 C222 C241 C264 C268
56k 100k 2.2k 1p 6p 22p NO
10k 18k NO 5p(B) 2.5p(B) 470p 1p(B)
C149 * C151 * C154
TX FINAL ANTENNA SW 1p(B)
T:7.3V
Q107 D101
2SK2595-E R123 * C138 HVU131-E C145 L112 * L113 * L114
ANT
0 470p 4T
T:7.3V
T:7.4V
R147
0
D102,103
ANTENNA SW
5T
R144
APC
2.2k
R136
DC SW
150k(D)
Q106 APC
C134
2SK1824-A
IC100
100p
NJM2904V-ZB DC SW
1 8
Q109
V+ DTA144EE
R133 2 7
150k(D) 3 6 R142
4 5 1M
R134 GND
B
150k(D)
R145
R138 180k
150k(D)
5T
Q108
T:5.1V
DTC114EE
DC SW
APC APC
* *
C238 C226
MIXER
RF AMP
* Q203
* C228 L207 * R225
3SK318 C233 C234
D G2
* C263 0.3p(B) 0.3p(B)
S
G1
R:0.9V C235
3.5p(B)
R228
R230 R231 R232
100k
100k 100k 100k
BPF TUNING
BPF TUNING D202,204
R221 BPF TUNING
5R
R:5.0V 100k
R:1.6V
R341
TUNE TUNE
100k
5MS
REVERSE 7.5V
PROTECTION F500
L501
B
APC
TXD 3.0A
PTT
IC302 AUDIO MUTE SW
TA7368FG R:3.4V R:3.4V
Q307
1 10 2SK1588-AZ C337 R536
NC1 PoUT
C327 2 9 100u6.3 1k
VCC PW-GND
0.1u 3 8 R537 R539
NC2 100 0 J500
PRE-GND PTT
R327 4 7 C330
DC SW VIN PHASE MIC
0 5 6 100p
Q305
2SA1362-F(GR) RIPPLE NF R538 5MS
R332 C332
AFG
100
150 10u6.3 TXD
AUDIO POWER AMP
C334
NC
SP
220p R:7.5V R:7.1V
R333
470k
DC SW
C333
Q306
DTC144EE
0.47u
Q304 MIC500
DTC144EE
AFCO
DC SW
SB
TO AF AMP
X57-6030-XX L113 L114 L206 L207 L209 R220 R225 C138 C140 C142 C147 C148 C150 C151 C153 C154 C226 C227 C228 C236 C238 C239 C252 C259 C260 C263
-10 C 18n 47n 15n 27n 47n 220 10 100p NO 3p(B) 1p(B) 1p 5p 1.5p(B) 3p 1p(B) 0.3p(B) 10p 27p(J) 0.3p(B) 0.3p(B) 4p 4.5p 3p 2.5p(B) 22p
-11 C2 25n 18n 18n 47n 18n 150 22 470p 4p(B) 5p(B) 1.5p(B) NO 4p(B) 2p(B) 4p(B) 2p(B) 0.5p(B) 15p(B) 8p(B) 0.5p(B) 0.5p(B) 5p(B) 6p(B) 6p(B) 3.5p(B) 470p