Kenwood TK-U100V Service Manual page 50

TX-RX UNIT (X57-8093-00)
RF BUFFER
0.75V
VCO
D2,3,4,6
R33
FREQUENCY
CN3 MCH3914(7)-H
47k
D3 CONTROL
Q4
L1 1SV325F C7 2SC5108(Y)F
C29
Q5
10u
56p (G)
0.5p
(B)
L11 C9
10u
0.1u
L5
10u
4.17V
D5
C6 R18 MODULATOR 2SC5383-T111
MOD R23
1u 10k 100k Q3
Q2
C59 R52
1k RT1N141U-T111
0.033u
SHIFT
RIPPLE FILTER
TX/RX SW
T/RSHF
R3
CN1 CN2
2.2k
R26
3.9k
PLL SYSTEM 5.0V
VOLTAGE
REGULATOR/3V
C23
9
CLoCK
FIN
8
C16 1000p
10
DATA XFIN
7
1000p
11 Q7
LE GND
3.0V
6
R43
12
PS Do
10k 5
13 ZC
VCC
4
2SC5383-T111
14
LD/FoUT
VP
3
15
P
oSCoUT
2 C27
16
R oSCIN
DC SW 1
22p
Q1
IC1 MB15E03SL-E1
R19
10k
R20
TCXO
10k
R21
RT1N141U-T111 X1
10k
T0 VCoNT
VCC
GND
oUTPUT
L77-3074-05
(19.2MHz)
PLPS
DATA
CURRENT CLOCK
STEERING
DACLD
MOD R316 C311
0 1u
R322
D/A CONVERTER
1M
IC301
1
VIN7
VIN2 NJM12904RB1
18
2
VDD GND Vref
17
R305 1
3
LD R2A20178NP RESET
1k 16
R306 IC300 2
4 VREF
CLK VDAREF2 15
1k 3
R307 5
DI VDAREF1
1k 14 4
GND
6
VIN3 VIN6
13
T91-0651-15
MIC300
MIC
R300
0
C305
C310
0.01u
0.047u
CURRENT
R303
STEERING
470 D301
R389 C353
1k
1u
CN302 R304 R311 KDR731
1k
47k
R310
1 PTT/RXD
3 MIC R312
R302 1k 1k
11 IM
10 OPTDET 2.2k
2 PTTSW
5MS
J300 RXD
R301
E11-0484-05 100 PTT
SP/MIC JACKS C303
J301 TXD
E11-0717-05 R378
0.047u OPTDET
1
SPG
1k
3 TXD
4 SPK
F300
SB
2 AFO R308
F53-0467-05
1k SP MUTE SW
AF AMP ON:3.3V
CN303
Q306 Q302
C302
100u6.3 2SK3577-A 2SK3577-A
VOL OUT
SP SP+
SP- RT1N441U-T111
DC SW
Q300 R321
470k
AF AMP ON:5.0V
Q301
OFF: 0V
7.5V
DC SW
RT1N441U-T111
F53-0372-05
SPMUT
F500
+B
+BATT
SB
(3.15A)
5MS
5M
IC501 XC6209B502PR
BATTERY
D501
TERMINAL RB521S-30
1
NC
VoUT
5
DC SW
2
-BATT VSS
CURRENT
STEERING 3
PROTECT CE
VIN 4
5.0V
R511
VOLTAGE
REGULATOR/5V 330k
VR500
R502
CN510 330k
POWER SW
/AF VOLIUM
R31-0684-05
VOLTAGE
DETECTOR/RESET
RESET
R:1.03V
T:1.69V
RF AMP
C42 D100 C100 C102
12p 1000p
15p HSC277
1.82V
TX/RX SW
2SC5636
C33 C39 Q6
12p (J)
47p 1stLO
C36
9p (B)
L8
27n R:4.93V
T: 0V
5C
5.0V
CF200
L72-1046-05
(450kHz)
C206
CVDET 220p
C207
220p
2ndLO
R260
FM IF SYSTEM
27k
C328 R390 R353 R365 R361 R204 270
560
0 1k 0 R205 C209
0.39u
6.8k 22p
CD200
5M
L79-1914-05
CN200
W/N SW
5R
C38
22p
LSDI
5R
5T
5C
5MS
PLDL
DATA
CLOCK
PLUL
PLPS
DACLD
LSDO
T/RSHF
R:4.93V
T: 0V
5MS
AF FILTER
QT/DQT FILTER R369
10k
IC303
LSD BUFFER
R350 IC305 R354
8 1
V+ AoUT
470 330k
7
2 1
BoUT A-IN V+
C346 C324 8
R351 6 3 R352
2
B-IN A+IN
8 + -
V+ 180 7 100k
5 4 0.18u 0.18u R364
3
7 B+IN GND
6 - +
- + C335 470
4
R328
6 0.18u GND
NJM12904RB1 5
+ - C343
680k 0.18u
5 R348 R342
NJM12904RB1
56k
15k
R363
R:2.49V
5.6k
T:2.45V
VREF
C336
R355
0.01u 47k
C323
0.1u
R332
2.7k
MIC AMP/LIMITER
IC304
NJM12904RB1
1
2
- +
R334 R344 R347
3
10k 10k 10k
4
GND
DC SW
AF AMP
ON:7.5V
IC302
TA7368PL
OFF: 0V OFF: 0V
10
1
PoUT NC1
9
2
PW-GND VCC
8 3
PRE-GND NC2
C314 100p C320 R335 R345
7 4
PTTSW
PHASE VIN
C315 R326 0.1u 0 0
6 5
NF
RIPPLE
10u 10 0 RXD
PTT
AF POWER AMP TXD
SP-
OPTDET
SPMUT
+B
SB
5MS
5M
5C
5T
SSM3J05FU-F
5R
4 Q501
VIN
CE
3
R:4.93V
T: 0V
VSS DC SW
2
5
VoUT NC
1
5MSC
IC503
XC6209B502PR
DC SW
VOLTAGE
REGULATOR/5V
5TC
5RC
5CC
5MSC
INT
RESET
PRI DRIVE
R102
R: 0V
2.2k
T:1.14V
2SC4926YD C108
L102
Q100
1000p 33n
R155
15
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:4.76V
T: 0V
DOUBLER
2nd-LO (38.4MHz) R210
R:0.62V
330k
C214 C217 T: 0V
0.01u 5p
Q201
R213
1k
KTC4080E-P
1st IF (38.85MHz)
XF200
L71-0669-05
R214 R215 C224
R:0.73V
T: 0V 330
IF AMP 680 0.01u
C216
R212
180k
C257 0.01u
0.01u
Q202
C221
0.01u
KTC4080E-P
CN201 R:4.93V
T: 0V
+B +B
5R 5R
5MS 5MS
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
Q305
RT1N144U-T111
LSDIN LSDIN
LSDIN
5M 5M
T/RSHF T/RSHF
R373 R375
LSDO
0 10k RXD
TXD
R366 C347
VOXIN VOXIN
100k 1u
R367
HSDO HSDO
47k
BATT
5MS
R374
47k
(D)
DC SW
R357
560k
8
V+
C340
7
7.5V
6 10p
+ - R370
SB
5
47k (D)
C332
0.01u
C333
1000p
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
FINAL
Q102
RD07MUS2BT112
R114
0
DRIVE
Hi:1.67V
C112
Lo:1.37V
Q101
56p
RFM01U7P
F101
Hi:3.71V
F53-0287-05
Lo:3.04V
THDET
5T
R136
1.8k
VDCSW
R:5.0V
T: 0V
L203 L205 C232
27n 22n
2p
7.5V
C228
+B
10p
R:2.7V
CN202
T: 0V
R:2.43V
MIXER
T: 0V
R217
Q203
0
3SK318
R225 C237 C240
82
1000p 1p (B)
D201,202
BPF
BPF TUNING
5R
5MS
BPF
5M
PFKEY
PTT
5MSC
5TC
5CC
LEDG
49 SPMUT
LSDO SPMUT
32
50
LEDR
LEDG
HSDO
31
51
BATT LEDR
30
52
EN1
RSSI OPTDET
29
53
SQL NC EN2
28
54
LSDIN EN1
27
EN3
55
THDET MCU EN2
26
56
EN4
CURDET EN3
D402 IC400 25
57
T/RSHF F2136ACNKDRB EN4
24
DA2S101 58
5VC NC
23
R455 59
NC PLUL
22
1k
60
PLPS
NC
21
61
PLDL
NC
20
62
TYPE2 DATA
19
63
CLOCK
TYPE1
18
64 E2CLK
5RC
5RC 17
C400 C405
0.1u 1000p
C401
C404
5.0V 0.1u
1000p
C403
CN402
1p
(B)
CN404
R413
1k
CN403
SWITCH
CN401
D101 L111 L112
L108
9T 9T
HVC131
D102 C131 C135
L105 L106 L107 C126 C127 C137
5T
3T 5T 1000p 6p 6p
5p (B) 1000p HVC131 (B) (B)
D101,102,103
ANT SW R: 0V
T:0.8V
L110 R139
Temp compensation
9T
0
R: 0V
T:4.86V
RT1N141U-T111
Q103
V.D.C SW
R:3.15V
T: 0V
RF AMP
R:3.89V
T: 0V
R230 C247
Q204
3SK318
82 47p
C250
47p
BPF TUNING
R:4.93V
T: 0V
R409
220
Q401
LED
GREEN
LEDG
DC SW
RT1N144U-T111
R410
RED LED GREEN LED
220
ON:5.0V ON:5.0V
Q402
LED
RED
LEDR
DC SW
RT1N144U-T111
S60-0447-05
S402
EN2 S3_A 7
S3_C 8
S3_G 9
5.0V 4
EN1 S2_A
S2_C 5
EN3 6
C407 S2_B
1000p
S1_A 1
S1_C 2
C408 0.01u EN4 S1_B 3
SELECTOR
IC401
EX24016ATAS0A
1
A0 VCC
8
2
A1
WP
7
3
A2 SCL
6
4
VSS SDA
5
EEPROM
E2CLK
R408
PFKEY
100
E2DAT
Side
E2WP
R406
PTTSW
100
PTT
ANT