Kenwood TK-5710 Service Manual page 114

TK-5710 ( B ) /5710H ( B )
SCHEMATIC DIAGRAM
TX-RX UNIT (X57-7030-10)
R596 R590 Q406
2SJ347
0 10k
Q404,406
VCO1/2 SW
4.97V
Q598,599 Q404
4.81V
LOCK DETECTION RN47A4
R594 R595
Q598 R423
2SA1832(GR)
10k 0
1k
0V
Q599
DTC144EE
Q407
2SJ347
Q405,407
VCO TX/RX SW
PLL IC
IC400
Q405
LMX2352TMX/NP
RN47A4
4.27V 13 12 5V
IF_EN X400 R424
RF_EN TH201
4.64V 14 11 4.9V 0.66V L77-1960-05 STR
CLOCK 16.8MHz B57331V2104J 1k
Fo/LD
1.94V 15 DATA 10 4.96V R589 R588 C409 R411
GND
OSCin
16 9 0 0 0.01u 560 VCC R514
LE MB
OSCx VC
17 GND 8 3.51V 1.47V 18k
GND VCXO
R597 18 fin IF 7 0.01V C404
fin RF
0 19 fin IF 6 0.03V 1000p
fin RF
20 GND 5 C407
GND 1000p
21 CPo IF 4 0V R513
CPo RF
2.38V 22 VP IF 3 0V 22
VP RF IC402
R509 4.22V 23 0V
R400 VCC IF 2 R510 LMC7101BIM5
VCC RF
100 100 24 0V 100
OUT1 1 1.67V 1 5
OUT0 OUTPUT V-
2
V+
3
1.02V INPUT+ 4 1.02V
INPUT-
R496 R409 R412 R414 R416 OP AMP VCO TUNE
100 1k 0 1k 0
RHEOSTAT
IC401
MCP41100T
R515
100 4.94V 1 8 5.02V
PCS CS VDD
R516 0V 2 7 0V
CLK SCK PB0
100 0V 3 6 1.026V
DAT SI PW0
R517 4 5
100 VSS PA0
2.08V POTENTIOMETER
4.70V
BUFFER
R408
Q400 RX
2SK879(GR,Y) 100k
D400 C425 C435 L404 C440 D402
3.01V R406
68n
10k MA2S077 1000p 1.5p(B) 1000p MA2S077
PLL
D400,401
FIN D402,403
R407 PLL FIN FILTER SW
AMP PLL FIN FILTER SW
TX
CVu 100k Q403 4.28V
1.39V
2SC5108(Y) C424 D401 C426 C434 L403 C441 D403
C402 C417
CV 1.5p 1000p 3p(B) 68n 1000p
MA2S077 MA2S077
100p 10p
1.35V
DC SW
Q401
DTA144EE
CN602
E37-1235-05 0V
DC SW
Q402
DTC144EE
STR
6.78V
C201 C203 L203 L205 RF AMP
CN200
E04- 12p 12p 330n 330n Q200
1.041V 2SC3357(RF) C212 L221 L222 C218 L223
0154 C210 R205 C215 R212
-05 L200 L201 C205 C206 C207 C209
RX
100p 33 10p 2p 2p 0
27n 27n 0.01u 22p 22p 100p
0.26V
1.73V 1.73V 1.73V
BPF
ADJ
CN201
D200-202
BPF CONTROL
136 - < 155MHz:7.13V
5.02V 155 - 174MHz:0V
Q409
RN47A4
L434 RXVCO 1
TX2RX2 TX2RX2
RIPPLE FILTER
R432 7.21V 7.92V
Q412
1k 2SC4116(GR) R455
0V
10
L435 D408,409
TX1RX1 TX1RX1 7.88V
RX VCO 1/2 SW 136 - < 155MHz:0V
155 - 174MHz:7.13V
Q408
RN47A4
RXVCO 2
R431 RXVCO 1
R:136 - < 155MHz:4.85V
1k 155 - 174MHz:0V
T:0V VCO 1/2 H
STR H
L436 R501 R458
TXVCO TXVCO Q413
0 470
VCO OSCILLATION
C484
D405,414,422,429,430
7.17V FREQUENCY CONTROL 9p
Q413
L437
RXVCO RXVCO L454 R447 L407 C458 D422 C470 L449 2SK508NV(52K)
0 4.7u 1000p 1SV282 56p 67n
D404
BYPASS DIODE
R445
D404
1M
MA742
L462 L417
ASSIST ASSIST R:136 - < 155MHz:0V
1.8u 155MHz:4.58V
174MHz:4.61V
T:0V
R503 RXVCO 2
R459
100 VCO 1/2 L
0
STR H
D406,415,424,431,432 C485
FREQUENCY CONTROL 9p
R440 2.13V
Q414
L455 L408 C459 D424 2SK508NV(52K)
270k R449 C472 L450
3.3u 50n
0 1000p 1SV282 56p
L461 L418
2.7u
R430
0 R505
0
CV CV CV CV
MO C466 L457 R457 R463
10u10 22k 100k
D407,416,420,427,428
MODULATOR
FREQUENCY CONTROL
L456 L410 C460 D420 C469 C478
R451
0 2.7u 56p
1000p 1SV282 68p
C446
1000p
L415
L460
1.8u
FIN FIN
C225 C228
LOCAL AMP
2p 2p 0.43V
Q201
1.14V
R219 L211 L212 L213 C236 2SC3357(RF)
C241 R226
5.6 33n 33n 33n 10p
100p 0
6.74V
DBM
A400
W02-1939-05 W:0.06V
RX LO1
N:4.96V
MCF ADJ
CN202
R230
E40-5538-05 NARROW
6.8k
XF201
D205,206 D207,208
2 C231 L71-0626-05 C254
1 IF IF
FILTER 8p 9p FILTER
SW
SW IF AMP
D205 D207
HVC131 HVC131 0.91V 2SC3357(RF)
L224 L226
R214 L233 C323 C249 L215
L34-4748-05 L34-4749-05
5.6 150n 68p WIDE 100p 680n
D206 XF200 D208
HVC131 HVC131
C256 L71-0625-05 C267
8p 8p
L225 L227
L34-4748-05 L34-4749-05
W:3.33V
Q213
N:0.10V DTC114EE
DC SW
DC SW
Q212
DTA114EE
MO
7.15V
7.78V
D435,436
LOCAL SW
D435
4.92V HVC131
3.32V
C512
C502 C504 C505
Q419 15p
15p 1000p 5p 2SC5108(Y)
0.67V D436
Q417
2SC5108(Y) BUFFER AMP HVC131
BUFFER AMP
0V 2.62V R:0V
T:7.92V
C496 R472
1p 100
R491
5C
33
4.40V 7.91V
4.36V
C509
1.5p
Q414 1.57V
Q418
VCO OSCILLATION C506
2SC5108(Y)
C497 R473 5p PLL FIN AMP
1p 220
OP AMP
IC204
TC75S51F
1.03V 1 5
IN(+) VDD
R:0V 2
T:136MHz:4.48V VSS
155MHz:4.40V 1.03V 3 4
174MHz:4.42V IN(-) OUT
R:0V
T:7.16V
R239 1.51V
R465
47k
560
Q416
2SK508NV(K52)
VCO OSCILLATION
C493 R470
1p 100
TXVCO
STR L
1.51V
R240
0
RX LO1 RX LO1
3.59V
MCF ADJ TC7W53FK
CN203 1
CoMMoN
W:0.06V E40-5538-05 2
INH
N:4.96V R294 3
VEE
0 4
1 2 GND
7.88V 7.89V
R237
NARROW
D211,212 100k
D209,210 XF201
IF C264 L71-0626-05 C263 IF
FILTER
FILTER
9p 9p SW
SW TC7W53FK
D209 D211 1
Q202 7.56V 0.74V 2.51V CoMMoN
HVC131 HVC131 2
C253 C268 R235 C270 R330 INH
L230 R295 3
L228
L34-4748-05 L34-4749-05 VEE
0.01u 1000p 47k 47p 0 0 4
D210 WIDE D212 GND
0.16V HVC131 XF200 HVC131 W:4.94V
C244 L71-0625-05 C227 N:5.02V
Q203 APCO:0V
8p 8p 2SC4215(Y)
IF AMP
L229 L231 TC7W53FK
W:5.01V
L34-4748-05 L34-4749-05 N:0V 1
CoMMoN
APCO:5.02V 2
INH
R296
W:3.26V 3
VEE
N:0.11V 0 4
GND
APCO:0.11V
MO MO
RF AMP
RF AMP
R:0V R:0V Q151
Q150
T:2.04V 2SC3357(RF) T:1.03V 2SC3357(RF)
C150 C151 R151 C152 R153 C159
47 0 15p
15p 22p 27p
R:0V R:0V
R155 R164
T:5.20V T:7.31V
12k 3.3k
R253
47
4.96V
X200
L77-1961-05 3.14V C291 R255 C294 R256 C299
1 4 100p 0 15p 1k 0.01u
VC VCC
0.65V
C300
2 3 R251 R252 C289
GND oUTPUT Q205 0.01u
2SC5108(Y)
0 8.2k 47p C301
VCXO
0.73V FERQUENCY 10u6.3
AMP
VCXO:16.8MHz
1St IF:49.95MHz
RSSI
FM IC
IC205-207,209-211 IC212
SLO TA31137FN
MULTIPLEXER
4.80V 1 24 0.95V
oSCIN MIXIN
NARROW R308 2 23
5.01V oSCOUT GND1
CF200
0 4.85V 3 22
IC205 L72-1018-05 IC209 VCC1 VREF
TC7W53FK R306 3.58V 4 21 0.7V
MIXoUT RSS1
8 5 4
VCC A GND 0 C295 5 20
7 6 3 R297 VCC2 C-DET
CH0 CH1 VEE R307
6 WIDE 7 0.1u 4.42V 6 19
CH0 2 0 IF1IN N-DET
CH1 CF201 INH C296 R314
5 8 1 0 4.41V 7 18 0.72V FILOUT
A L72-1016-05 VCC CoMMoN DEC1 FILoUT
C326
4.24V 0.1u 3.82V 8 17 0.65V 0 FILIN
A-L ch0 IF1oUT FILIN
3.59V A-H ch1 C297 4.84V 1.52V C306
0.1u 9 16
NDPS N-REC
3.59V C327 4.49V 1.02V
0.1u 10 15 0.1u AFOUT
IF2IN AFoUT
C298 4.49V 14 4.83V
0.1u 11 QUAD
DEC2 QUAD
13
IC206 IC210 0.1u 12 IF2OUT
GND2 IF2oUT
V NARROW TC7W53FK
CF202
8 5 4
VCC L72-1009-05 A GND
7 6 3 R298
CH0 CH1 VEE
7 2 0
6 CH0 INH
CH1 2nd:IF:450KHz
5 8 1
A VCC CoMMoN
NARROW
CF203
IC207 L72-1018-05 IC211
TC7W53FK
8 5 4
VCC A GND
7 6 3 R299
CH0 CH1 VEE
7
6 2 0
CH1 CH0 INH
5 8 1
A WIDE VCC CoMMoN
CF204
L72-1016-05 A-L ch0
A-H ch1
MO
C165 L154 C168 R171 C169 CN150
18p 47n 1000p 22 1000p
VOLTAGE REGULATOR
IC601
8.0V TA7805F 5.0V
1
2
IN OUT 5C
GND
3
SHIFT REGISTER
IC600
BU4094BCFV 5V AVR
CN152
1 16 5.02V
STRB VDD 8C
R:0V R:7.91V
2 15 4.93V 8R SW
DATA OE 8T SW T:7.91V T:0V
Q601 Q603
3 14 2SB1132(Q,R) 2SB1132(Q,R)
CLK Q5
8R
4 13 4.94V
Q1 Q6
4.7V 5 12 3.27V
Q2 Q7
4.85V 6 11 5.01V
Q3 Q8 7.95V 7.28V
CN601
7 10 5.01V
Q4 Q'S E40-6429-05
8 9 5.01V 1
VSS QS
2
8T SW 8R SW
3
8T
Q600 Q602
DTC114EE 4
DTC114EE
5
6
CN600
E40-6438-05
1
2
TV C608
3
REVERSE 1000p
CURRENT C609
4
PREVENTION 1000p
C610 5
1000p
6
NOISE DETECTION 7
D203 8
4.46V RB706F-40
R635 9
C319
0 10
0.1u
11
12
0.34V
C607
C312 13
Q208 1000p
2SC4617(S) 14
0.1u
NOISE AMP
C612 15
1000p
16
Vref
C629
1000p 17
C613
1000p 18
STRB3
C614
1000p 19
CLK
C615
1000p 20
SOE3
C616
1000p 21
DAT
C617
1000p 22
8C
C618
1000p 23
24
R225
RSSI 25
0 26
MB
C619
1000p 27
C620 28
1000p
WN2
C621 29
1000p
C304 EP
R264 R316 R267 C622 R636 30
1000p
3.3k UL
180p 0 0 C623 0 31
DC SW 1000p
L2FT
Q207 C624 32
1000p
SSM3K15TE PCS
C625 33
1000p
WN2 C626
34
1000p
FILOUT R260 C627
35
MULTIPLEXER 1000p
FILIN 270k CV C628
QUAD IC214 36
1000p
TC7S66FU
R275 R276
AFOUT 1 5
IN/OUT VCC 5C
0
QUAD 3.3k 2
OUT/IN
R281
IF2OUT 3 4
DC SW GND CONT 8RC
L232 1k
Q206 L34-4725-05
DTA144EE
4.0V
C328 R261
3p 27k
1.52V
DC SW
R259
Q209
100k DTC114EE
BUFFER
WN2
IC213
TC7WU04FK 3.0V
1 8 R317
1A VCC
R258 2 7 R263 330
3Y 1Y
0 3 6 0
1.45V
2A 3A
4 5 R268
GND 2Y
47
MO MO
TX
TX
PC
E
8T
8T
FTEMP1
FTEMP2
E
TV
RSSI
ASQL
E
E
E
IF_IN
IF_IN
IF_IN
E
PC
E
DET
E
Vref
8T
STRB3
CLK
SOE3
DAT
8C
8C
8C
8C
MB
MO
WN2
EP
UL
L2FT
PCS
FTEMP1
FTEMP2
CV
E