Toshiba 15LV505 Service Manual page 85

A B
8
7
6
FROM/TO JACK OUT
LOUT
5
ROUT
FROM/TO POWER
FILTER_MUTE
W845
POWER_ON_H
4
SOUND+B
SOUND_GND
W030
GND
3
2
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-35
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
IC301 LA42052-E
Ripple
IN1 GND IN2 STB P.P Vcc OUT2 NC
Filter
1 2 3 4 5 6 7 8 9
7.4 1.6 0 1.6 1.6 10.3 14.0 7.4 NC
C303
C301 1 B
R304
1 B
2.2K
R305
2.2K
C319
0.1 B
R302
2.2K
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
(POWER PCB)
GND NC OUT1 NC
10 11 12 13
0 NC 7.4 NC R308
15
1K 1/4W
R309
1K 1/4W
R306
16
2.2K
R307
2.2K
C320
0.1 B
HS301
763WSA0064
CAUTION ATTENTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
W823
R310
W820
1K
R311
1K
W830
W827
W824
W803
: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
HEADPHONE JACK
J301
PJ-364H
5
L
4
2
5
3
6
R
7
1
SPEAKER
CD301 E8141801
SP301
4
S0308F01
SP OUT R 1 1
GND 2 2
SPEAKER
GND 3 3
SP OUT L 4 4
SP302
S0308F01
3
2
PCB240
CEH421
1
H
H-36