Schematic Diagram - Kenwood TK-3000 Service Manual

A B C
C7 C12
C21 C22
X57-8103-00 K,M 15p 22p 0.75p 0.75p
X57-8103-01 M2 27p 27p 0.5p 1000p
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 2 9 Q 5
2 7 0 n
4 p(B)
0 . 5 p
MCH3914(7)-H
(B)
Q 4
4.17V
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
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
GND
oUTPUT
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
1
VIN2 VIN7
1 8
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
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
2 SB
AFO R 3 0 8
F53-0467-05
1 k SP MUTE SW
AF AMP ON:3.3V
CN303
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
SP- RT1N441U-T111
DC SW
Q 3 0 0
R 3 2 1
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
2 V S S
-BATT
CURRENT
STEERING 3 C E
PROTECT
V I N 4
5.0V
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
D E F
C174 C175 C176 C181 C187 C225 C230 C233 C236 C237 C238 C239 C243 C245 C247 C248 C250 C252 C253 C254
C54
4p 33p 3p(B) NO 2p NO 6p 6p 4p 22p 22p 5p 1p 470p 3p 1p 470p 270p 0.75p 22p 4p
NO 15p NO 22p 3p 2p 2p 5p 6p 10p 10p 9p 0.5p 0.1u 7p 0.75p 0.1u 12p 470p NO NO
R: 0V
R:1.03V T:1.14V
T:1.69V
RF AMP
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 3 C 3 9 Q 6
3 3 p 1 0 p (B) 1stLO
C 3 6
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)
C 2 06
CVDET 1 5 0 p
C 2 07
1 5 0 p
2ndLO
FM IF SYSTEM
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 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
5M
L79-1914-05
CN200
CN201
W/N SW
5R
C 3 8
2 2 p
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
LSD BUFFER
R 3 50 I C 3 0 5 R 3 5 4
1
V+ AoUT
IC301 8 4 7 0 3 3 0 k
2
1
NJM12904RB1 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 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
5 6 8 0 k 0 . 1 8 u
R 3 4 8 R 3 4 2
GND 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
C 3 2 3
0 . 1 u
R 3 3 2
2 . 7 k
MIC AMP/LIMITER
I C 3 0 4
NJM12904RB1
1
V +
2
- +
R 3 3 4 R 3 4 4 R 3 4 7
3
+ -
1 0 k 1 0 k 1 0 k
4
G N D
F 3 0 0
C 3 3 2
(3.15A) DC SW
0 . 0 1 u
AF AMP
C 3 3 3
I C 3 0 2 ON:7.5V
TA7368PL
OFF: 0V OFF: 0V 1 0 0 0 p
1
NC1
10 PoUT
2
VCC
9 PW-GND
3
NC2
8 PRE-GND
C 3 1 4 1 0 0 p C 3 2 0 R 3 3 5 R 3 4 5
4
PTTSW
VIN
7 PHASE
C 3 1 5 R 3 2 6 0 . 1 u 0 0
5
RIPPLE
6 NF
1 0 u 1 0 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
DC SW V I N
C E
3
R:4.93V
V S S T: 0V
2 DC SW
5
V o U T N C
5MSC 1
I C 5 0 3
XC6209B502P-G
DC SW
VOLTAGE
REGULATOR/5V
5TC
5RC
5CC
5MSC
INT
RESET
G H
C258 C268 C269 C270 C271 C329 C330 D201 D202 D204 D260 D261 L2 L3 L113 L205
C349
470p 22p 22p 1p 3p 0.027u 820p 0.15u HVC355B HVC355B HVC355B HVC355B HVC355B 5.6n 18n NO 15n
1000p 10p 10p 5p 2p 0.033u 560p 0.047u HVC350B HVC350B NO HVC350B HVC350B 6.8n 22n 10n 18n
DRIVE
PRI DRIVE
Q 1 0 1
R 1 0 2
RFM01U7P
2 . 2 k
2SC4926YD R 1 5 7 C 1 0 8 L 1 0 2 R 1 5 6
Q 1 0 0
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
0
R:4.76V
T: 0V
DOUBLER
2nd-LO (38.4MHz) R 2 1 0
R:0.62V
3 3 0 k
C 2 1 4 C 2 1 7 T: 0V
0 . 0 1 u
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
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
R 2 5 8 C 2 1 6 R 2 1 2
R 2 1 7
0 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
R 3 6 6 C 3 4 7
VOXIN
1 0 0 k 1 u VOXIN
R 3 6 7
HSDO HSDO
4 7 k
BATT
VCO SPEED UP
R 3 7 4
D 4 0 2
4 7 k (D)
D A 2 S 1 0 1
R 4 5 5
1 k
DC SW
5RC
R 3 5 7
5 6 0 k
8
C 3 4 0
7
7.5V 5.0V
6 1 0 p
SB R 3 7 0
5
4 7 k (D)
VREF
PTTSW PTTSW
RXD RXD
PTT PTT
TXD TXD
OPTDET OPTDET
SPMUT SPMUT
5TC 5TC
5RC 5RC
5CC 5CC
5MSC 5MSC
INT INT
RESET RESET
I K J K
L214 L215 R139 R221 R229 R230 R231 R300 R360 R388 R471 R472

SCHEMATIC DIAGRAM

R203 R206 R314 R371
27n 8.2n 0 47k 560k 56k 470k 22 330 1.5k 3.9k 180k 1.8k 1.8k 10k NO
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
8 L 2 0 5 R 2 4 3 R 2 2 3
0 V.D.C SW
0
7.5V
C 2 2 8
+B
2 p(B)
C 2 5 8
R:2.7V 8
T: 0V
R:2.43V
MIXER
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
4 9 SPMUT
LSDO SPMUT
32
5 0 LEDR
LEDG
HSDO
31
5 1
BATT LEDR
30
5 2
OPTDET EN1
RSSI
29
5 3
SQL NC EN2
28
5 4
LSDIN EN1
27
5 5 EN3
THDET EN2
MCU 26
5 6 EN4
CURDET EN3
I C 4 0 0 25
5 7
T/RSHF F2136ACNKDRB EN4
24
5 8
5VC NC
23
5 9
NC PLUL
22
6 0
PLPS
NC
21
6 1
NC PLDL
20
6 2
TYPE2 DATA
19
6 3
TYPE1 CLOCK
18
6 4 E2CLK
5RC
17
C400 C405
0.1u 1000p
C401 C404
1000p 0.1u
C403
CN402
1p
(B)
CN404
R413
1k
CN403 SWITCH
CN401
Note : The components marked with a dot (•) are parts of layer 1.
L M N
TK-3000
1
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
2
T:4.86V
3
R:3.15V
T: 0V
R:3.89V
T: 0V
C244 8 C247
470p
8 C271 8 C250
4
D260,261
BPF TUNING
R:4.93V
T: 0V
5
R409
220
Q401 LED
GREEN
LEDG
DC SW
6
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
7
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
8
E2CLK
PFKEY R408
100
E2DAT
Side
E2WP
R406
PTTSW
1 0 0
PTT
9
8 R 4 71
3 - 0 0
8 R 4 72
3 - 0 1
10
26
X57-810 1/1