Block Diagram - Kenwood TK-190 Service Manual

U V W X
TK-190
SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
Y Z AA AB AC AD AE AF
+BATT
DISPLAY X53 B/6
Power SW
LCD
PF1
PF2
TX,BUSY LED
Togle SW
LAMP
CONTROL X53-393 A/6
INT MIC
MIC Amp
(Main)
IC3
NJM2904V
INT MIC
(N/C) NCSW
SW
SP
AF Amp ASW
SW
ISW
SW
IC1
EXT TDA7053AT
ESW
AG AH AI AJ

BLOCK DIAGRAM

RF X57-608
Fuse
Protect Buff Amp
Mixer
1SR154-40C 2SC4649 Buff Amp
129.005MHz
SB SW Dual PLL VCO1/2
3SK131(L)
SB 16.8MHz
2SC4649
158.705 '179.005MHz
Q415 2SJ517
IC101 L800
Q416 2SK1824
LM2332L L78-0481-05
LCD
Driver Rect Rect Buff Amp Buff Amp Lo SW
1SS1 1SS1 SBC
84 84
+B ¤
IC101 5V 2SC4649 2SC4649 DAN235E
LC73824W 2SK1
IC300
824
TA31136FN
FM System IC
5T
Reg SW
SB 5TB 455kHz
SQL
5V 5V
RSSI
5TC
Regulate
SW
5V
CD300 CF300,301
SB
5C 5TBC
IC402
TK11250BM
5R
SW SW
5RB
5V 5V
EXT.MIC
SB 5RBC 5RC
SUM Amp
SW TC75W51FU
Regulate
SUM Amp
SB
MUT
DTMF
IC401
RESET TC75W51FU
TK11250BM
LPF
B_Det
SB LSD
DET=8.5V
INT
16.8MHz
Buff(INV)
HSD
TCXO INV
Latch
TC7WU04FU
Microprocessor
Flash-ROM
upc784214GC***8EU
TC7S02FU
5CC,5RC
Adress ,5TC
Data
AT29C020-90TI EERROM
CLK
IC400,403,404,405
BU4094BCFV
DATA
AT2408N10SI2.5
AK AL AM AN
K:29.7 '37MHz
INT.ANT
k2: 35 '50MHz
LPF RF Amp Drive Amp Drive Amp Power Amp LPF
ANT SW
Q32 Q1 Q2
L104 L9,10,11
Q102
2SC4649 2SC3356 2SK3074
Q1,2 D2 MI809
2SK3075
APC
(X45-361)
PWR
IC2
NJM2904V
Mixer
158.25 '178.55MHz
IF Amp MCF BPF RF Amp BPF
128.55MHz
Q102
XF300 L202,206 L201
Q302 IC200
3SK131
2SK1215 GN2011
DET
DTMF_TX
Mute SW
MIC SW
Option
2SJ243/
Audio Audio Processor
DTC114EE
MIC
2SK1824
MM
D/A
convertor
TXOUT
AF Amp SW
A/D Option
AF
M62364FP Audio
AF
TC35453F TC75W51FU TC7S66FU
3.58MHz 5RBC
DTMF
Decoder
LPF
LPF
LC73872M
STD
2Tone
LPF
LSD
TC75W01FU
Shift Register