Toshiba MD13P3 Service Manual page 48

A B
8
7
6
5
4
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
A B
G-19
C
STEREO SCHEMATIC DIAGRAM
C922
50V 2.2 KA
NC 0
2.2 2.2 2.2 2.2
24 23 22 21 20
DAC ZAP
AGC OUT SW
Switch L-R Filter
Matrix De-Emph
(L-R)/SAP
75us
L+R Filter
Filter
Cancel
SAPout
Offset
Expand
Cancel
Wide Band
RMS Det
Offset
Wide Band
1 2 3 4 5
1.0 2.2 2.2 2.3 2.4
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
L904
100uH
40
R911
100 1/4W R912
100 1/4W
41 42
R908
270
4.2 4.4 0 3.7 3.4 2.2
3.4
19 18 17 16 15 14 13
GND
IIC Decoder St.PLL Det VCA Det
Pilot Input SAP
Cancel
L-R Demod
Pilot
Filter Filter Filter
L+R Demod Stereo Noise SAP
Demod
Filter Filter
fH.2fH Trap Filter
SAP
Wide Band Spectral
Expand RMS Det Det
dbx De-Emph
Spectral Spectral Noise
Vcc
6 7 8 9 10 11 12
0.7 5.1 2.6 2.6 0.6 2.2 3.6
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
FROM/TO MICON/TUNER
TUNER_AUDIO
SCL
SDA
TO SOUND AMP
A_OUT_L
A_OUT_R
P.CON+12_A
FROM IN/OUT
A_O_R
A_O_L
DVD_AUDIO_L
DVD_AUDIO_R
FRONT_A_IN_R
FRONT_A_IN_L
FROM REGULATOR
P.CON+12V
P.CON+5V
GND
TUNER AUDIO SIGNAL
AUDIO SIGNAL
F G
H
8
7
6
5
4
3
2
PCB250
TMB555
1
H
G-20