Sound Amp - Toshiba MD9DN1 Service Manual

A B
8
7
6
FROM REGURATOR1
SOUND+B
5
SOUND_GND
GND
FROM MICON/TUNER
POWER_ON_H
VOL_PWM
4
A_MUTE
FROM STEREO
A_OUT_L
3
A_OUT_R
P.CON+12V_A
2
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
C
SOUND AMP SCHEMATIC DIAGRAM
NC
0 2.7 1.4 0
1 2 3
16 15 14
0 4.6 0 4.6
NC
W813
C303
0.001 B
R302
68K
0 MUTE
R323 R346
0
Q301
47K 100 1/4W KTC3875S_Y_RTK
0.4
W820
R301
2.7K 1/4W
5.1
R309 BUFFER
Q305
2.2 KTC3875S_Y_RTK
1K
12.0
R303
5.1
BUFFER 2.7K 1/4W
R305 2.2 Q302
KTC3875S_Y_RTK
1K
12.0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
HS301
763WAA0233
NC
0.1 1.4 0 4.6
4 5 6 7 8
17
18
13 12 11 10 9
8.9 4.6 0 0
NC
35 36
CAUTION ATTENTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
- 15 -
F G
CP301
TID-X02P-B2
SP OUT L+
SP OUT L-
CP302
TID-X02P-B2
SP OUT R+
SP OUT R-
AUDIO SIGNAL
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
AUDIO SIGNAL(PB)
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
TUNER AUDIO SIGNAL
F G
H
8
7
6
L CH
SP301
SPEAKER
SA08A05BWC
1
1
8 OHM
2
2
R CH
SP302
SA08A05BWC SPEAKER
1
1
8 OHM
2
2
5
FROM/TO IN/OUT
SOUND_L+
SOUND_GND
SOUND_R+
SP_OUT_L
SP_OUT_R
4
3
2
PCB250
TMB560
1
H