TK-290-11B
40
BLOCK DIAGRAM
+BATT
SBC
2SK
1824-A
RESET
TCXO
16.8MHz
5RC
5CC
SW
5V
5R
SW
5V
ASW
EXT
ESW
ISW
MUT
NCSW
IC406
Microprocessor
784214AGC150A
Adress
Data
DATA
CLK
5T
DISPLAY X53-393 B/6
CONTROL X53-393 A/6
Rect
1SS
301F
Rect
1SS
301F
SP
SW
5V
5TC
5M
FM
Q14
2SC5108(Y)F
Buff Amp
VCO
PLL
IC5
Fuse
Flash-ROM
EEPROM
IC412 AT24C08A10SU18
IC414
AT29C02090TU
Latch
IC415
TC7S02F-F
RF X57-613
SW
SW
SW
IC1
TDA7053AT
SW
NJM2904V-ZB
MIC Amp
AF Amp
INT MIC
(Main)
INT MIC
(N/C)
IC3
D400 1SR154-400
Protect
Power SW
SB SW
Q415 2SJ517-E
Q412 2SK1824-A
Regulate
IC402
TK11250CMCL-G
Regulate
IC401
TK11250CMCL-G
IC409
PST9132NR
LCD
LCD Driver
IC101
LC75824W
PF1
PF2
Toggle SW
TX,BUSY LED
LAMP
SB
SB
SB
SB
BT SFT
Q407
2SC4215-F(Y
X400
12MHz
5C
UPA572T-A
Q401
Q402
Q400,405
FP210
UMG3Nx2
Q406
DTA123JE
TO
LPF
SW
MA2S
111-F
SW
MAX
865
EUA+T
D/A2
M62354
GPDF0J
4C
MA2S
111-F
2SC
4617
(S)
mod
PC
PC
CLK
DI
LD
FC
-VC
TV
-SW
Q2
2SJ144-GR(F)
D4
-VC
LMC7101
BIM5
RIPPLE
FILTER
Q4
+10V
-10V
IC6
IC2
LMC7101
BIM5
LEVEL
SHIFT
CTV
5M
IC3
IC4
DC-DC
–V
TO
5C
MA
X300
45.305
D6
X1
D408 (1/2)
Q414
D408 (2/2)
+B
→
5V
L800
LMX2352
TMX/NP
TX: 27
348MH
RX: 361
437.7M