Toshiba MD9DL1 Service Manual page 39

A B
8
7
6
FROM/TO POWER
SOUND+B
SOUND_GND
GND
5
FROM/TO MICON/TUNER
R302
POWER_ON_H
68K
VOL_PWM
A_MUTE
4
FROM/TO AV SW
MONITOR_A_R
MONITOR_A_L
3
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
SOUND_AMP
IC302 AN7522
+ -
L R
1 2 3 4 5 6 7 8 9
8.6 4.4 0 4.4 3.9 1.5 0 1.4
W851
C307 C348
0.01 0.01
HS301
B B
763WAA0199
0
R346
0
MUTE
Q301
100
2SC2412K
0.4
R323
W820 W817
47K
R316
47K 1/4W
W814
W815
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
- +
10 11 12
0.4 4.4 0 4.4
37 38
C340
1 B
0
R344
0
MUTE
100
Q304
0
0 C337
2SC2412K
R345
MUTE W840
1 B
0
100
Q303
0
2SC2412K
R324
5.6K
R325
W848
10K
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
L CH
CP301 SP301
SPEAKER
TID-X02P-M1 NS-300RW-1
SP OUT L+ 1 1
8 OHM
SP OUT L- 2 2
R CH
CP302
SPEAKER
TID-X02P-M1
SP OUT R+ 1 1
8 OHM
SP OUT R- 2 2
SP302
NS-300RW-1
7
6
C301 R342
2
C305
16V 47 KA R337 100 1/2W
3
16V 47 KA 100 1/2W
4
5
1
C354
J301
C355 0.0022 B HSJ2000-01-010
HEADPHONE JACK
0.0022 B
PCB250
TMX486
ATTENTION: LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
7
6
5
4
3
2
1
H