Toshiba MD9DM1R Service Manual page 61

A B
8
7
6
5
4
3
2
1
A B
G-27
C D
STEREO SCHEMATIC DIAGRAM
2.3 2.3
24 23 22
AGC
Matrix
De-Emph
75us
Cancel
Offset
Expand
Cancel
Wide Band
Offset
1 2 3
0 2.3 2.3
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.
C D
E
(AV PCB)
R911
100 1/4W R912
100 1/4W
NC 0
2.3 2.3 5.0 5.0 0 3.7 3.6 2.6
3.7
21 20 19 18 17 16 15 14 13
GND
Det VCA Det
OUT SW DAC ZAP IIC Decoder St.PLL
Pilot Input SAP
Switch L-R Filter L-R Demod Cancel
(L-R)/SAP Pilot
Filter Filter Filter
L+R Filter L+R Demod
Stereo Noise SAP
Filter
SAPout Demod
Filter Filter
fH.2fH Trap Filter
SAP
Wide Band Spectral
RMS Det Expand RMS Det Det
dbx De-Emph
Wide Band Spectral Spectral Noise
Vcc
4 5 6 7 8 9 10 11 12
2.3 2.3 2.2 0.4 5.1 2.4 2.4 0.4 2.3 3.4
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F G
FROM/TO MICON/TUNER
SCL
SDA
FROM/TO AV SW
47
TUNER_A_L
TUNER_A_R
48
FROM/TO VIF/SIF/CHROMA
46
TU_AUDIO
FROM/TO REGURATOR
GND
P.CON+A5V
PCB250
TMB547
F G
H
8
7
6
5
4
3
2
1
H
G-28