A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC902
AN5829S
SOUND DECORDER IC
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
3
4
5
6
7
8
9
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE:
THE DC VOLTAGE AT EACH PART WAS
TUNER AUDIO SIGNAL
L902
100uH
0305
C921
4.7
50V
KA
C926
4.7
50V
KA
C936
3.3
50V
YK
C932
0.33
50V
KA
C928
10
50V
YK
C925
4.7
50V
KA
C931
100
10V
YK
C939
0.1
B
C937
0.1
B
C934
0.022
B
C929
0.1
B
C924
0.1
B
C938
0.1
B
C935
0.1
B
C923
0.1
B
C933
0.047
B
C920
0.1
B
C922
0.1
B
C930
150P
CH
C927
150P
CH
R911
100
1/4W
R912
100
1/4W
R910
220K
R913
2.7M
R909
470
1/4W
R908
470
1/4W
C907
4.7
50V
KA
TP901
TU.AU-L
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
SCL
SDA
TUNER_A_L
TUNER_A_R
TU_AUDIO
P.CON+A5V
GND
FROM POWER
FROM VIF/SIF/CHROMA
TO AV SW
FROM/TO MICON/TUNER
NC
Filter
SAPout
75us
De-Emph
Switch
(L-R)/SAP
DAC
Expand
Wide Band
Cancel
Offset
Cancel
Offset
Matrix
AGC
OUT SW
0
0
3.7
ZAP
fH.2fH Trap Filter
L-R Filter
L-R Demod
IIC Decoder
L+R Demod
L+R Filter
Filter
Wide Band
RMS Det
Wide Band
Demod
SAP
dbx De-Emph
Expand
Spectral
Vcc
Pilot
Cancel
St.PLL
Det
Pilot
VCA
Input
GND
Filter
Stereo
Det
SAP
Filter
Spectral
Filter
Noise
Filter
SAP
RMS Det
Spectral
Det
Noise
2.2
2.2
2.2
2.2
4.2
4.4
3.4
2.2
3.4
1.0
2.2
2.3
2.4
0.7
5.1
2.6
2.6
0.6
2.2
3.6
47
48
46
2.2
NC
(AV PCB)
STEREO SCHEMATIC DIAGRAM
PCB250
TMA503