Toshiba MW14F52 Service Manual page 74

A B
8
7
FROM REGULATOR
SOUND+B
6
SOUND_GND
W807
GND
FROM MICON
TV_POWER_H
5
VOL_PWM
TV_A_MUTE
GND
FROM DVD IN/OUT
SW_AUDIO_OUT_R
4
SW_AUDIO_OUT_L
GND
3
FROM/TO Y/C/AUDIO/HEAD AMP
GND
2
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
1
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
A B
G-17
C D
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
IC302 AN7522N
+ - -
L R
1 2 3 4 5 6 7 8 9 10 11
10.0 3.5 0 3.5 3.9 1.3 0 1.3 0.5 3.5 0
HS16S
HS301
763WAA0330
R302
MUTE
Q301
47K
R305
KTC3875S_Y_RTK
33K 1/4W
R301 R306
47K 1/4W 100
R303
820
CAUTION: DIGITAL TRANSISTOR
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C D
E
(VCR MT PCB)
+
12
3.5
0
R312 MUTE
0
Q303
100 KTC3875S_Y_RTK
0
0
R313
0
100 MUTE
Q302 0
KTC3875S_Y_RTK
0
0
C308
0.5
0.0056 B
C321
0.0056 B
R314
6.8K 1/4W
R308
6.8K 1/4W
CAUTION: DIGITAL TRANSISTOR
E
F G
FROM REGULATOR1
SOUND_R-
FROM/TO IN/OUT
SOUND_R+
SOUND_L+
SP_OUT_L
GND
FROM/TO SPEAKER
CP351
CD351
TID-X02P-B2 SPEAKER
CU123805
SP351
SOUND L+ 1 1
YDP512-44
SOUND L- 2 2 8 OHM
SOUND_GND
FROM REGULATOR
P.CON+5V
P.CON+5V_C
5.1
0.2
AV_SW1
0.5
5.0
MUTE SW
0
Q306
KRA103SRTK
FROM DVD IN/OUT
MUTE SW
0
Q304
0
KRC103SRTK
5.0 R318
MUTE SW
ZERO
Q305
1K
KRC104SRTK
0
NOTE:THE DC VOLTAGE EACH PART WAS
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MEASURED WITH THE DIGITAL TESTER
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DURING PLAYBACK.
F G
H
8
7
6
5
FROM MICON
4
3
2
PCB010
DME033
1
H
G-18