Toshiba MD9DM3 Service Manual page 57

A B
8
7
6
5
4
3
2
1
A B
G-21
C D
STEREO SCHEMATIC DIAGRAM
(AV PCB)
R911
100 1/4W R912
100 1/4W
TP901
BZW400000BV1
W870 W871
NC
2.02 2.0 2.48 2.51 0 4.95 4.90 0 3.50 3.40 2.18 3.48
24 23 22 21 20 19 18 17 16 15 14 13
GND
Det VCA Det
OUT SW DAC ZAP IIC Decoder St.PLL
AGC
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
1.34 2.18 2.18 2.34 2.17 0.3 4.97 2.38 2.35 0.42 2.23 3.27
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE: THE DC VOLTAGE AT EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
C D
E F
FROM/TO MICON/TUNER
SCL
SDA
TO AV SW
47
TUNER_A_L
TUNER_A_R
48
FROM VIF/SIF/CHROMA
46
TU_AUDIO
FROM POWER
GND
P.CON+A5V
TUNER AUDIO SIGNAL
E F
G H
8
7
6
5
4
3
2
PCB250
TMX486
1
G H
G-22