Kenwood TK-3000 Service Manual page 39

C7 C12 C21
X57-8103-00 K,M 15p 22p 0.75p
X57-8103-01 M2 27p 27p 0.5p
TX-RX UNIT (X57-8103-XX)
RF BUFFER
D2,3,5 0.75V
FREQUENCY D6
CONTROL MODULATOR
VCO R 3 3
4 7 k
D 3
C N 3
L 1 1 S V 3 2 5 F 8 C 12 8 L 3 C 1 7 2SC5108(Y)F C 3 3
C 2 9 Q 5
2 7 0 n
4 p(B) 3 3 p
0 . 5 p
MCH3914(7)-H
(B)
Q 4
4.17V
C 3 6
C 4 3
1 0 0 0 p
C 10 R 1 8 2SC5383-T111
MOD
2 2 k Q 3
1 u
Q2,D4
TX/RX SW Q 2
RT1N141U-T111
SHIFT
RIPPLE FILTER
T/RSHF
R 3
C N 1 C N 2
2 . 2 k
R 2 6
3 . 9 k
PLL SYSTEM
VOLTAGE 5.0V
REGULATOR/3V
C 2 3
9 C L o C K
F I N
8
C 1 6 1 0 0 0 p
10 D A T A
X F I N
7
1 0 0 0 p Q 7
1 1 L E
G N D
6 3.0V
R 4 3
1 2 P S
D o
1 0 k 5
1 3 Z C
V C C
4
2SC5383-T111
14
LD/FoUT
V P
3
1 5 P
oSCoUT
2
C 2 7
1 6 R
oSCIN
DC SW 1 5M
2 2 p
Q 1
I C 1 MB15E03SL-E1
R 1 9
1 0 k
R 2 0
1 0 k TCXO
R 2 1
RT1N141U-T111 X 1
1 0 k
T0
VCoNT VCC
C 3 8
GND
oUTPUT
2 2 p
L77-3074-05
(19.2MHz)
PLPS
CURRENT
STEERING
DATA
CLOCK
DACLD
MOD R 3 1 6 C 3 1 1
0
1 u
R 3 2 2
D/A CONVERTER
1 M
LSD BUFFER
1 IC301
VIN2 VIN7
1 8 NJM12904RB1
2
VDD GND Vref
1 7
1
R305
3
LD R 2 A 2 0 1 7 8 N P RESET
1k 1 6 2
R306 I C 3 0 0
4 VREF - +
VDAREF2
1k CLK 1 5
3
R307
5 +
DI VDAREF1
1k 1 4 4
6 GND
VIN3 VIN6
1 3
T91-0651-15
M I C 3 0 0
MIC
8 R 3 0 0
C 3 0 5
C 3 1 0
0 . 0 1 u
0 . 0 4 7 u
CURRENT
R 3 0 3 STEERING
4 7 0 D 3 0 1
R 3 8 9 C 3 5 3
1 k
1 u
CN302 K D R 7 3 1
R 3 0 4 R 3 1 1
4 7 k 1 k
1 R 3 1 0
PTT/RXD
3 MIC 1 k R 3 1 2
R 3 0 2 1 k
1 1 IM
1 0 2 . 2 k
OPTDET
PTTSW
2 5MS
J 3 0 0 RXD
R 3 0 1
E11-0484-05 1 0 0 PTT
C 3 0 3
SP/MIC JACKS
TXD
E11-0717-05
J 3 0 1 R 3 7 8 OPTDET
0 . 0 4 7 u
1 SPG
1 k
3
TXD
4
SPK
F 3 0 0
2 SB
AFO R 3 0 8
F53-0467-05 (3.15A)
1 k SP MUTE SW
AF AMP ON:3.3V
CN303 OFF: 0V
Q 3 0 6 Q 3 0 2
C 3 0 2 1 0 0 u6 . 3
2SK3577-A 2SK3577-A
VOL OUT
SP+
SP
C 3 1 4
SP- RT1N441U-T111
DC SW
C 3 1 5
Q 3 0 0
R 3 2 1
1 0 u 1 0
4 7 0 k
Q 3 0 1 AF AMP ON:5.0V
7.5V OFF: 0V
DC SW
RT1N441U-T111
F53-0372-05
SPMUT
F 5 0 0
+B
+BATT
SB
(3.15A)
5MS
5M
I C 5 0 1 XC6209B502P-G
BATTERY
TERMINAL D 5 0 1 RB521S-30
1 N C
V o U T
5
DC SW
2 V S S
-BATT
CURRENT
STEERING 3 C E
PROTECT
V I N 4
5.0V 5MSC
R511
VOLTAGE
REGULATOR/5V 330k
V R 5 0 0
R502
POWER SW CN510 330k
/AF VOLIUM
R 3 1 - 0 6 8 4 - 0 5
VOLTAGE
DETECTOR/RESET
RESET
C233
C22 C54 C174 C175 C176 C181 C187 C225 C230 C236 C237 C238 C239 C243 C245 C247 C248 C250 C252 C253
0.75p 4p 33p 3p(B) NO 2p NO 6p 6p 4p 22p 22p 5p 1p 470p 3p 1p 470p 270p 0.75p 22p
1000p NO 15p NO 22p 3p 2p 2p 5p 6p 10p 10p 9p 0.5p 0.1u 7p 0.75p 0.1u 12p 470p NO
PRI DRIVE
R 1 0 2
R: 0V
2 . 2 k
R:1.03V T:1.14V
T:1.69V
2SC4926YD
RF AMP Q 1 0 0
C 42 D 1 0 0 C 1 0 0 C 1 0 2
R 1 5 5
4 p 1 0 p(B) 2 2 p 1 5
1.82V H S C 2 7 7
TX/RX SW
2SC5636
C 3 9 Q 6
1 0 p (B) 1stLO
2 p(B)
L 8
R:4.93V
1 5 n
T: 0V
5C
5.0V
C F 2 0 0
L72-1046-05
( 4 5 0 k H z)
2nd-LO
C 2 06
C 2 1 4
CVDET 1 5 0 p
0 . 0 1 u
C 2 07
1 5 0 p
2ndLO
FM IF SYSTEM
R 2 5 8
C 3 2 8 R 3 9 0 R 3 5 3 R 3 6 5 R 2 0 4
R 3 6 1 2 7 0
0
0 8 2 0
0 . 3 9 u 0 1 k R 2 0 5 C 2 0 9
6 . 8 k
2 2 p
C D 2 0 0
L79-1914-05
CN200
CN201
W/N SW
5R
LSDI
5R
5T
5C
5MS
PLDL
DATA
CLOCK
PLUL
PLPS
DACLD
LSDO
T/RSHF
R:4.93V
T: 0V
5 M S
AF FILTER
QT/DQT FILTER
R 3 6 9
I C 3 0 3 1 0 k
R 3 50 I C 3 0 5 R 3 5 4
1
V+ AoUT
8 4 7 0 3 3 0 k
2
1
BoUT A-IN
7 8 V +
R 3 5 1 3 C 3 4 6 C 3 2 4 R 3 5 2
2
A+IN
8 6 B-IN + -
V+ 1 8 0 7 1 0 0 k
4 0 . 1 8 u 0 . 1 8 u R 3 6 4
3
7 GND - +
5 B+IN 4 7 0 6
C 3 3 5
4 R 3 6 6
R 3 2 8 0 . 1 8 u G N D
6
N J M 1 2 9 0 4 R B 1 5
- C 3 4 3 1 0 0 k
5 6 8 0 k 0 . 1 8 u
R 3 4 8 R 3 4 2
N JM 129 04R B 1
5 6 k
1 5 k
R 3 6 3
R:2.49V
5 . 6 k
T:2.45V
VREF
5 M S
C 3 3 6 R 3 5 5
0 . 0 1 u 4 7 k DC SW
C 3 2 3
0 . 1 u
R 3 3 2
2 . 7 k
MIC AMP/LIMITER
I C 3 0 4
NJM12904RB1
1 8
V +
2 7
- +
R 3 3 4 R 3 4 4 R 3 4 7 6
3
+ -
1 0 k 1 0 k 1 0 k
4 5
G N D
C 3 3 2
DC SW
0 . 0 1 u
AF AMP
C 3 3 3
I C 3 0 2 ON:7.5V
TA7368PL
OFF: 0V 1 0 0 0 p
1
NC1
10 PoUT
2
VCC
9 PW-GND
3
NC2
8 PRE-GND
1 0 0 p C 3 2 0 R 3 3 5 R 3 4 5
4
PTTSW
VIN
7 PHASE
R 3 2 6 0 . 1 u 0 0
5
RIPPLE
6 NF
RXD
0
PTT
AF POWER AMP TXD
SP-
OPTDET
SPMUT
+B
SB
5MS
5M
5C
5T
S S M 3 J 0 5 F U - F
5R
4 Q 5 0 1
V I N
C E
3
R:4.93V
V S S T: 0V
2 DC SW
5
V o U T N C
1
I C 5 0 3
XC6209B502P-G
DC SW
VOLTAGE
REGULATOR/5V
5TC
5RC
5CC
5MSC
INT
RESET
C254 C258 C268 C269 C270 C271 C329 C330 C349 D201 D202 D204 D260 D261 L2 L3 L113
4p 470p 22p 22p 1p 3p 0.027u 820p 0.15u HVC355B HVC355B HVC355B HVC355B HVC355B 5.6n 18n
NO 1000p 10p 10p 5p 2p 0.033u 560p 0.047u HVC350B HVC350B NO HVC350B HVC350B 6.8n 22n
DRIVE
Q 1 0 1
RFM01U7P
R 1 5 7 C 1 0 8 L 1 0 2 R 1 5 6
0 1 2 p 1 2 n 0
R: 0V
R:0V Hi:1.49V
T:0.57V T:4.27V
Lo:1.22V
R: 0V
T:4.86V 5T 5T
CURDET CURDET
POWC POWC
1stLO 1stLO
2ndLO
R 2 4 4 8 L 2 0 5
0
R:4.76V
C 2 2 8
T: 0V
DOUBLER
2 p(B)
(38.4MHz) R 2 1 0
R:0.62V
3 3 0 k
C 2 1 7 T: 0V
5 p
Q 2 0 1
R 2 1 3
CN202
3 . 3 k
KTC4080E-P
1st IF (38.85MHz)
X F 2 0 0
MIXER
L71-0669-05
R 2 1 4 R 2 1 5 C 2 2 4 L 2 1 6
R:0.73V
1 8 0 n
T: 0V 5 6 0 3 3 0 0 . 0 1 u
I F A M P
C 2 1 6 R 2 1 2
R 2 1 7
1 8 0 k 2 . 2 k
0 . 0 1 u
Q 2 0 2
C 2 2 1
0 . 0 1 u
KTC4080E-P
R:4.93V
T: 0V
+B +B
5R 5R
5M 5M
BPF BPF
CVDET CVDET
SQL SQL
RSSI RSSI
WID/NAR
PLDL
DATA
CLOCK
PLUL
PLPS
DACLD
WID: 0V
NAR:5.0V
VOXIN
W/N SW
WID/NAR
INT
Q 3 0 5
RT1N144U-T111
LSDIN LSDIN
LSDIN
5M 5M
T/RSHF T/RSHF
R 3 7 5
R 3 7 3 LSDO
0 1 0 k RXD
TXD
C 3 4 7
VOXIN 4 9
1 u VOXIN
R 3 6 7
HSDO HSDO 5 0
4 7 k 5 1
BATT
5 2
5 3
5 4
5 5
VCO SPEED UP
R 3 7 4
5 6
D 4 0 2
4 7 k (D) 5 7
D A 2 S 1 0 1
5 8
R 4 5 5 5 9
1 k
6 0
6 1
6 2
6 3
6 4
5RC
R 3 5 7
5 6 0 k
C 3 4 0
7.5V 5.0V
1 0 p
SB R 3 7 0
4 7 k (D)
CN402
CN404
VREF
CN403
PTTSW PTTSW
RXD RXD
PTT PTT
TXD TXD
OPTDET OPTDET
SPMUT SPMUT
5TC 5TC
5RC 5RC
5CC 5CC
5MSC 5MSC
INT INT
RESET RESET
L205
L214 L215 R139 R203 R206 R221 R229 R230 R231 R300 R314 R360 R371 R388 R471 R472
NO 15n 27n 8.2n 0 47k 560k 56k 470k 22 330 1.5k 3.9k 180k 1.8k 1.8k 10k NO
10n 18n 39n NO NO 22k 680k 82k NO 15 120 0 10k 220k 8.2k 8.2k NO 10k
FINAL
Q102
RD07MUS2BT112
R114
0
Hi:1.67V
C112
Lo:1.37V
220p
CN1 (E23-1167-05)
Temp compensation
F101
Hi:3.71V
F53-0287-05
(0.5A) Lo:3.04V
THDET
5T
R136
1.8k RT1N141U-T111
Q103
VDCSW
R:5.0V
T: 0V
R 2 4 3 R 2 2 3
0 V.D.C SW
0
7.5V
+B
C 2 5 8
R:2.7V 8
T: 0V
R:2.43V
T: 0V
Q203 RF AMP
3SK318
Q204
C274 C252 8 C239 C240 8 R230
8 3SK318
4 7 0 p 470p
D201,202,204
BPF TUNING BPF
5R
5MS
BPF
5M
PFKEY
PTT
5MSC
5TC
5CC
LEDG
SPMUT
LSDO SPMUT
32
LEDR
LEDG
HSDO
31
BATT LEDR
30
OPTDET EN1
RSSI
29
SQL NC EN2
28
LSDIN EN1
27
EN3
THDET EN2
MCU 26
EN4
CURDET EN3
I C 4 0 0 25
T/RSHF F2136ACNKDRB EN4
24
5VC NC
23
NC PLUL
22
PLPS
NC
21
NC PLDL
20
TYPE2 DATA
19
TYPE1 CLOCK
18
E2CLK
5RC
17
C400 C405
0.1u 1000p
C401 C404
1000p 0.1u
C403
1p
(B)
R413
1k
SWITCH
CN401
D101 L111
L112
4T 4T
HVC131
ANT
R138 C127 D102 C131 C135 C137
0
180p HVC131 180p 2p (B) 2p (B)
D101,102,103, 105
R: 0V
ANT SW T:0.8V
8 R139
L110 8 L113
4T
R: 0V
T:4.86V
R:3.15V
T: 0V
R:3.89V
T: 0V
C244 8 C247
470p
8 C271 8 C250
D260,261
BPF TUNING
R:4.93V
T: 0V
R409
220
Q401 LED
GREEN
LEDG
DC SW
RT1N144U-T111
R410
GREEN LED
RED LED
2 2 0
ON:5.0V
ON:5.0V
Q402
LED
RED
LEDR
DC SW
RT1N144U-T111
S60-0447-05
S 4 0 2
EN2 S3_A 7
S3_C 8
S3_G 9
5.0V EN1 S2_A 4
S2_C 5
6
EN3 S2_B
C407 1 0 0 0 p
S1_A 1
S1_C 2
EN4 3
C408 0 . 0 1 u S1_B
IC401 SELECTOR
EX24016ATAS0A
1 A0
VCC
8
2 A1
WP
7
3 A2
SCL
6
4 VSS
SDA
5
EEPROM
E2CLK
PFKEY R408
100
E2DAT
Side
E2WP
R406
PTTSW
1 0 0
PTT
8 R 4 71
3 - 0 0
8 R 4 72
3 - 0 1