Toshiba MD14F11 Service Manual page 48

A B
8
7
6
5
FROM POWER
SOUND+B
SOUND_GND
W813
GND
4 FROM MICON/TUNER
POWER_ON_H
A_MUTE
VOL_PWM
3
FROM STEREO
A_OUT_L
P.CON+12_A
A_OUT_R
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
G-15
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND_AMP IC
IC302 AN7522N
+ -
L
1 2 3 4 5 6
8.0 4.6 0 4.6 4.5 1.4
R311 C307
270K 0.01
B
HS301
763WAA0310
B301
W4BRH3.5X6X1.0
0
R326
0
MUTE
100 Q301
2.0 2SC3052-T1
R302
68K
R301
5.1
1.2K 1/4W
R309
2.2 BUFFER
Q305
1K
12.0
2SC3052-T1
R303
1.2K 1/4W
5.1
R305 2.2 BUFFER
Q302
1K 2SC3052-T1
12.0
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)
- +
R
7 8 9 10 11 12
0 1.4 2.0 4.4 0 4.4
C348
0.01
B
35 36
ATTENTION CAUTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
TO SPEAKER
L CH
CP301 CD301
SPEAKER
213213102W1 C3123806
SP OUT L+ 1 1 SP351
SG04D11BNA
SP OUT L- 2 2
8 OHM
R CH
CD302
CP302
SPEAKER
213213102W1 C3123806
SP OUT R+ 1 1 SP352
SG04D11BNA
SP OUT R- 2 2
8 OHM
FROM/TO IN/OUT
SOUND_GND
SOUND_L+
SOUND_R+
SP_OUT_L
SP_OUT_R
AUDIO SIGNAL
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
AUDIO SIGNAL(PB)
DESCRIBED IN PARTS LIST ONLY
F G
H
8
7
6
5
4
3
2
PCBD20
CMD010
1
H
G-16