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TUNER PACK
FM ANT
+B(FM)
RF AMP
IFT
FM MIXER
+B(FM)
FM IF
AMP
BUFFER
LOCAL OSC
AMP
+B(FM)
3
22
REG
ALC
AM
AM
OSC
24
OSC
MIX
OUT
BUFF.
LEVEL
DET.
FM IF
S-
IN
1
CURVE
FM IF
FM
DET.
Vcc
9
8
2
+B4
18
AOUT
17
AIN
16
PHASE DETECTOR
PD
CHARGE PUMP
11
IFIN
SWALLOW COUNTER
1/6,1/17 4bit
12 BIT
PROGRAMMABLE
LC72131M
DIVIDER
PLL FREQUENCY
SYNTHESIZER
UNIVERSAL
15
V
DD
COUNTER
DATA SHIFT REGISTER
+B4
LATCH
+B(FM)
POWER
ON
19
Vss
RESET
POWER
+B1
SUPPLY
(FM:ON)
10
12
7
8
AM ANT
AM
AM
ANT
OSC
+B4
COIL
COIL
+B4
+B(FM)
SWITCH-
ING
LA1833NM
FM / AM I F AMP,
DET / AM OSC,
MIX / FM MPX
23
21
20
19
18
17
16
15
AM
RF
AGC
AMP
PHASE
STEREO
DET.
SW
AM
AM
IF
DET.
AM/FM
IF
BUFF.
COMP.
VCO
FF
FF
TUNING
DRIVE
GND
4
6
10
5
11
12
+B4
AM
IFT
7.2MHz
1
XIN
REFERENCE
DIVIDER
20
XOUT
FM IN
14
1/2
AM IN
13
2
CE
3
DI
4
CL
5
D0
6
B01
9
NJU7313AMT2
SIGNAL SELECTOR
26
(5)
AUDIO
29
Rch
(2)
LINE OUT
28
DET
(3)
AUX
27
(4)
24
(7)
DVD IN
23
(8)
TV IN
21
13
14
(10)
OUT
20
VCR
(11)
DECODER
IN
1
LEVEL SHIFT
-B1
V
EE
PILOT
CANCEL
LATCH CIRCUIT
30
+B1
V
DD
15
SHIFT REGISTER
V
SS
DATA
PILOT
FF
DET.
7
+B4
SD
VIDEO
-B1
TV IN
DVD IN
VCR IN
SER3
SER1
SER2
DO ST
IC801
NJM4580EDTE1
NJM2115MTE1
NJM2115MTE1
IC802
IC803
IC804
25
(6)
X4
C1
BUFFER
BUFFER
BUFFER
AMP
AMP
AMP
Q818
S1
ATT
C1BB00000672
S2
IC1013
5
4
A/D CONVERTER
Q817
(24)
(25)
S3
ATT
CONT.
22
(9)
S5
C2
S6
DELTA-
DECIMATION
SIGMA
S7
FILTER
MODULATOR
19
3
VCOML
(12)
(26)
S8
C3
(VCOMR)
2
AGND1
(27)
(AGND2)
1
Vref
(28)
VREF
14
ST
CK
16
CLK CONTROL
17
11
10
9
23
NJM2279MT2
IC805
VIDEO AMP
D806
6
7
GND2
GND1
Q804
14
8
REGULATOR
-V
+V
1
5
3
4
2
10
12
13
11
D810
D811
7
12
15
16
17
HPF
CLK CONTROL
22
13
14
19
20 21
8
6
18
SW5V
+3.3VD
+3.3VD
+B4
Q805
REGULATOR
+B1
VCR OUT
TV MONITER OUT
SA-XR10(E,EB,EG,GCS,GD,GN) BLOCK DIAGRAM
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