Sharp HT-CN150DVW

HT-CN150DVW
88
IC001, Self Tuned Radio (STR) (TEA5762)
Block Diagram:
PILFIL
FSI
FMDEM
IFGND
BUS-
CLOCK
DATA
WRITE
ENABLE
FM-IFI2FM-IFO1
FM-IFI1
37
35 33 29
28
27 17
18 21
39
38
34
7
23
4
25
AM
FM
up
down
level
26
1 5
FM-ON/OFF
V
STAB(A)
V
STAB(B)
V
CC1
V
DDD
RIPPLE
COUNTI
CGND
XTAL
DGND
AM-RFI
AMOSC
AM-MIXER
AM-IFI1
AM-IFI/02
AGC
P1 AFO
TUNE
V
CC2
MPXI
RFGND
RFGND
P0
MO/ST LFI VCO AFLO AFRO MUTE AFC AFC
(p)
AFC
(n)
TUNER SWITCH
WINDOW
DETECTOR
SEQUENTIAL
CIRCUIT
CHARGE
PUMP
IN-LOCK
DETECTOR
AM/FM
DETECTOR
FM
DETECTOR
STATUS
REGISTER
AM
DETECTOR
CRYSTAL
OSCILLATOR
PRESCALER
MULTIPLEXER
AM
OSCILLATOR
AM
FRONT
END
AM
MIXER
AM
IF
AGC
FM
IF1
FM
IF2
AFC
MUTE
TEA5762
level
stereo
mono
MATRIX
DECODER
PLL
38kHz
19kHz
STEREO
hard mute
15
14
9
12
24
16
13 19 20 32
3
11
10
8
22
30
314436
41
406
2
PILOT
DETECTOR
V/I
CONVERTER
SDS
PROGRAMMABLE
COUNTER
STABILIZER
SHIFT REGISTER
LAST-STATION
MEMORY