Toshiba MD14FP1C Service Manual page 48

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