Toshiba MD13N1C Service Manual page 54

A B
8
7
C941
50V 2.2 KA
6
5
4
3
2
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
A B
G-23
C
STEREO SCHEMATIC DIAGRAM
(AV PCB)
C943
50V 2.2 KA
L904
100uH
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
40
R911
100 1/4W R912
100 1/4W
41
42
R908
270
C922
50V 2.2 KA
NC
2.2 2.2 2.2 2.2 0 4.2 4.4 0 3.7 3.4 2.2
3.4
24 23 22 21 20 19 18 17 16 15 14 13
GND
DAC ZAP IIC Decoder St.PLL Det VCA Det
AGC OUT SW
Pilot Input SAP
Switch L-R Filter L-R Demod Cancel
Matrix
De-Emph Pilot
(L-R)/SAP Filter Filter Filter
75us
L+R Filter L+R Demod Stereo Noise SAP
Filter
Cancel
SAPout Demod
Filter Filter
Offset fH.2fH Trap Filter
SAP
Wide Band Spectral
Expand
Cancel
Wide Band
RMS Det Expand RMS Det Det
Offset dbx De-Emph
Wide Band Spectral Spectral Noise
Vcc
1 2 3 4 5 6 7 8 9 10 11 12
1.0 2.2 2.2 2.3 2.4 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/TO 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
F G
H
8
7
6
5
4
3
2
PCB250
TMB555
1
H
G-24