Kenwood TK-361SA Service Manual page 41

TX-RX UNIT (X57-6900-21)
PLL_CLK R9 0
PLL_DAT
R10 0
PLL_STB R11 0 C40
R5
3p 2.74V
100k L8 C43 L9
18n 10p 18n
PLL SYSTEM
IC1
MB15A02PFV2E1
C50
C30
4.82V
Q2 10p
470p 2SC5108(Y)F
RECTIFICATION R8 C29
PLL IC F_IN AMP
D1 0 470p
4.76V
MA2S111-F
C4
R15 R16 R21
0.01u 220 560 680
R7
100
VR1
68k
R32-0736-05
X1 4.9V
L77-1931-05 R17
F401
2.5A
L401 R1 R2 R3 C3 1 4 4.7V 100
BATT VC VCC
100k 10k 33k 1u
12.8MHz 0.71V
2 3 L1 R12 C17 R14 C25 C34
BATT
GND oUTPUT
4.7u 2.2k
47p 330k 2p 1000p
REVERSE
TXCO
PROTECTION Q1
KTC4082
TRIPLER
CN401
1 B
2 SB
3 SP1
4 SP2
GND
5
EN1
6
7 EN2
8 GND
9 EN3
10 EN4
11 EN5
R436 R404
R:3.70V
0 470k Q403
R403 (D) T:3.57V 5T SW T:4.99V
CPH3317
100
IC402
REVERSE
XC6204B502MR
D401 CURRENT 5.00V Q404 R:5.01V
PROTECTION 5R SW
RB521S-30 1 5 CPH3317
VIN VoUT
R:7.56V 2
VSS
T:7.26V
3 4
IC401,402
CE NC
VOLTAGE
REGULATOR/5V
IC401 5C SW
XC6204B502MR Q405
4.96V
R:7.28V RT1P237U-T111
T:6.80V 1 5 R:4.83V
VIN
VoUT
2
VSS
3 4
CE NC
4.95V
L402 C430
0.01u CP404
VOLTAGE DETECTOR/RESET
IC403 BD4840FVE
47Kx2
R407 1 5 PTT SW1 SW2
VoUT VDD
330k 2
SUB
3 4
NC GND
ON:4.92V ON:4.92V
OFF:0.01V OFF:0.01V
VOLTAGE
DETECTOR/INT
IC404 LED/RED LED/GREEN
BD4845FVE D403 D404
R405 B30-2156-05 B30-2157-05
1 5
VoUT VDD
330k 2 LED SW
SUB /GREEN
3 4
NC GND
LED SW Q402
/RED RT1N141U
Q401
RT1N141U
T:3.37V
L19
CV R40
D2,4,6,7 VCO OSCILLATION (TX)
220n
FREQUENCY 100
D6 RF BUFFER AMP
CONTROL
/TX VCO Q6
HVC376B C64 0.72V 2SC5108(Y)F C78
R22 L24 L10 D7 C52 L16 5p C73
33p
0 100n HVC376B 7p 27n 0.5p
VCO/TX (B)
Q4 3.7V
2SK508NV(K52)
DC SW/TX VCO
Q5
R:4.94V
MODULATOR RT1P430U
T:0.58V
TX MODULATION
R25 R26 C45 R31 L12 R34 R36 L22
R:0.59V
22k 10k 1u 470k 1M 270k
T:4.94V
R:3.4V
VCO OSCILLATION (RX) L18
R37 Q7
C902 R30 D8
220n RT1P430U
100
DC SW/RX VCO
1u 82k HVC376B
C65
D9 C55 C74
L11 L17 7p
RIPPLE FILTER
100n HVC376B 12p 27n 0.5p
VCO/RX Q8
D3,5,8,9 Q3 2SC5383-T111
2SK508NV(K52)
FREQUENCY
CONTROL
/RX VCO
CURRENT
STEERING
QTTCXO QTTCXO
PLL_UL PLL_UL
PLL_STB PLL_STB
PLL_DAT PLL_DAT
PLL_CLK PLL_CLK
B B
5T 5T
OSCIN OSCIN
SP1 SP1
SP2 SP2
5R 5R
5C 5C
R901
EN1 EN1
EN2 EN2 4.7k
EN3 EN3
EN4 EN4
EN5 EN5
R447
12k
VCC VCC
VSS VSS
R421
51 25
1k 52 OPTDET 24
53 AF_CONT 23
CALLING ALERT SW DTRLOADN
STD
54 QTVCO 22
DTMF SW DIR
55 21
TDATA/DTRCLK
56 20
DI/O
57 19
SCLK
58 18
RDF/FD
59 17
TCLK/DTRDO
VCC VCC 60 16
VCC INT
61 15 R419
VCC
VSS VSS 62 MCU 14 47k
VSS VCC
63 IC405 13
GND XIN
64 30622MAP490GU 12 L404
GND
VSS R422
65 11
XOUT
66 10 1k
RESET BSHIFT ON:4.95V C432
67 9 OFF:0V
Q407
68 8 2SK1830F 5p
69 BSHIFT 7 R420
GND BEAT SHIFT SW
70 6 47k
BYTE
71 5
EEPCLK
72 LEDTX 4
LEDTX LEDTX
EEPDAT
LEDRX LEDRX 73 LEDRX 3
LOCK LOCK 74 PF1 2
DTMF
75 PF2 1
SCAN SCAN PCTV EEPROM
IC406
BR24L08F-W
1 8
A0 VCC
C431 2 7
A1
WP R424
0.01u 3 6 47k
BATT BATT A2 SCL
5T_C 5T_C 4 5
5R_C 5R_C GND SDA
5C_C 5C_C R425
RESET RESET 47k
INT INT
AF_CONT
SB SB
5M 5M
PTT PTT
OPTDET
4.96V
PRE-DRIVE AMP
T:3.44V Q101 T:4.89V
2SK3077F
C107 C112 L103
TX/RX R103 R112 R150
T:2.85V
RF SW 8.2n
47k 6p 7p 0 0
C87 D101 C101 C102
4.73V
Q100
10p HSC277 470p 12p
3.4V 2SC4619(P,Q)
C83 RF AMP
RF AMP
Q9
15p 2SC4619(P,Q)
R:2.9V
T:3.0V
R453
TX/RX
RF SW 22k
L250
T:4.9V
18n
R:2.87V C290
2p
(B)
APC SW
Q104
RT1N141U APC PROTECT
APC SW
Q105
TH_DET TH_DET
2SK879(Y)F
R:7.63V
T:7.50V
DCSW DCSW
B B
5T 5T
APCSW APCSW
OSCIN OSCIN
SP1 SP1
RX LO1 RX LO1
SP2 SP2
5R 5R
5C 5C
MOD MOD
Q317,318
AUDIO SW
Q317
2SK1824-A
R304
27k
Q318
C355 2SK1824-A
0.1u
DTMF SW DTMF SW
CALLING ALERT SW CALLING ALERT SW
TX_W/N TX_W/N
R316 C320
120k 0.01u
DTRLOADN DTRLOADN
STD STD C312
12p
C315
1u
10 32
TCLK/DTRDO TCLK/DTRDO DTRLOADN
AGND
11 TCLK/DTRDO 31 R324
TDATA/DTRCLK TDATA/DTRCLK
TDATA/DTRCLK RXIN
30
DI/O DI/O 12 100k
DI/O RXINO
RDF/FD RDF/FD R306 13 IC301 29 R325
RDF/FD FILTERO
AQUA-L C328
SCLK SCLK 1k 14 28 100k
X2 BEAT SHIFT SW SCLK EXPOUT
L78-1414-05 AUDIO PROCESSOR
15 27 390p
7.3MHz Q408 DIR DIR DIR
R423 C435 RXAFIN
2SK1830F 16 26 R321 C322
0 5p XOUT RXAF
220k 0.015u
R326
3.6864 MHz CLK
C325 0
R426 XIN XIN
0.1u
1k
C326
C302 1000p
R301
C309
10k 270p C313
DETECTOR
82p 120p
D301
R310 R313
RB706F-40
R308
C311 390k
AMP3O AMP3O 100k
0
C354
R354 R355 R357 1u
10k 10k 0.1u 0
R314 C316
10k 0.1u
C310 R311
0.068u 12k
PCTV PCTV
TXD TXD
MIC_MUTE MIC_MUTE
QT/DQT_IN QT/DQT_IN
BUSY BUSY
RSSI RSSI
AF_CONT AF_CONT
SB SB
5M 5M
PTT PTT
OPTDET OPTDET
TX FINAL AMP
TX DRIVE AMP R:7.63V
Q102 T:7.45V Q103
L412 C123 L107
2SK2596-E R903 R151 R152 2SK3476-F
8.2n
0 33p 1.2n 0 0
R:0.23V
T:2.86V
R126
2.2k
R135
150k (D)
APC SW
Q109
C140 IC101
RT1P441U
TA75W01FUF
100p
1 8 C146
OUT1 VCC
R130 2 7 1000p
IN1-
OUT-B
150k 3 6
(D) IN1+ IN2- APC SW
4 5
R131 VEE IN2+ Q108
2SK1824-A
R141 PCTV
150k
(D) COMPARATOR 100k
(APC)
R134
150k (D)
Q107
RT1N141U
T:4.96V
APC SW
5T 5T
RX LO1 RX LO1
5R 5R
R:5.0V
T:0V
XF201
L71-0549-15
C231 R219
OUT IN
2 1
0.01u 100
CN201
CF201
L72-0959-05
450kHz
C213
0.1u
R208 C210
PCTV PCTV
R319
TX DEV ADJ 82k 470p R:4.74V
56k
FM IF
Q301 SYSTEM
RT1P141U
IC201
R322 TA31136FNG
C205
180k
1000p
R323
56k
R329 C329 R210 C219 R216
3.3k 120k
82k 1u 33p
IF AMP
Q203 2SA1362-F(GR)
7.52V
KTC4080E-P
SP2 SP2
LIMITER
R334
C331
R331
150k 0.1u RXAFO RXAFI
C330
R330 R446
3.3k 1u MICO 0 MICI DETECTOR ISOLATION
MIC AGC
D302 D303
R445 Q302
RB706F-40 DAN222
R318 2SC4919
C317
0 R328
1.2k
0.1u 10k
R332 C333
15k 0.1u
R360
0
TXD TXD
R388 0
BUSY
RSSI
AF_CONT AF_CONT
SB SB
5M 5M
PTT PTT
OPTDET OPTDET
ANT SW
D122 C160 C163 C166
2p 3p 0.75p
STRIP LINE HVC131
C152 D103 L225 L226
R137 C158 L224 ANT
4T 4T 4T CN13
0 20p HVC131 100p
ANT SW
L223 R145 R147
4T 0 0
ANT SW ANT SW
BPF
R:5V
L410
R:5V
L204 MIXER
R:1.8V C246 C248 R:4.9V
270n C252 C253
Q204 C241 R240 (B) (B) (B) (B) C259
R249 R:4.98V
3SK318 R:2.05V
C269 C272
R:0.47V 470p 0 2p 2p 1p 1.5p 470p 22
C239 C266 R255 (B) (B)
R:1.8V Q205
R226 1000p
3SK318 0 2p 2p
470p
1k RF AMP
R:0.96V C275
2.5p
D203,204,210
RF BPF TUNING
D205,206
RF BPF TUNING
C334 R343
0.1u AF AMP 470k
IC302 SP MUTE SW
R:0.3V(MUTE ON) TA7368FG
DC SW Q306
7.3V(MUTE OFF) 2SK3577-A C345
1 10
Q304 T:0.3V NC1 POUT
2 9 100u6.3
VCC PW-GND
3 8
NC2 PRE-GND
SP MUTE SW
R336 4 7 C338 100p
VIN
PHASE Q316
1k 5 6 R337 C339 2SK3577-A
RIPPLE NF
150 10u6.3
47k
C340
Q305
RT1N441U
R:7.3V(MUTE ON) 0.1u
DC SW/SP MUTE
0.3V(MUTE OFF)
Q303 T:7.3V
RT1N441U
DC SW/SP MUTE
R345
PTT/RXD
MIC
R341 10k 100
MICIN
OPTDET
5MS
R346 100 AE
TXD
R344 1k NC
SPO
SPI
MIC301
L301
J301