Toshiba 14AF45 Service Manual - Page 32
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A
B
8
FROM TUNER/STEREO
23
7
SW_AUDIO_L
22
SW_AUDIO_R
2.7K 1/4W
6
FROM CHROMA
5
P.CON+8V[B]
P.CON+8V[A]
FROM COMBI FILTER/AV
P.CON+8V[A]
GND
FROM/TO MICON
SDA
SCL
4
VOLUME
TV_MUTE
FROM POWER
SOUND+B
3
GND
W859
SOUND_GND
S801Y
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-9
C
SOUND SCHEMATIC DIAGRAM
R302
R301
2.7K 1/4W
C309
0.039
B
NC
NC
3.9
1.7
3.0
0
0
3.9
3.9
3.9
0
4.0
1
2
3
4
5
6
7
8
9
NC
NC
PF4
GND
PF1
AGC
L IN
PF2
PF3
Tone
Volume 2.2K
AGC
SURR
+
Control
Control
MODE
control
VCC
R IN
Vref
NC
NC
BB
RB
RT
32
31
30
29
28
27
26
25
24
2.3
7.9
4.5
4.0
0
0
4.0
4.0
4.4
3.0
NC
NC
L301
100uH
0305
24
W862
R1002
47K 1/4W
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
(MAIN PCB)
NC
NC
4.0
0
0
2.0
2.9
4.0
10
11
12
13
14
15
16
NC
NC
LT
LB
BD
VD
L ONT
+
Balance
/MUTE
+
BLD
TD
NC
NC
R OUT
SDA
SCL
23
22
21
20
19
18
17
2.0
0
0
4.0
3.5
3.5
NC
NC
R303
100 1/4W
R304
100 1/4W
25
SOUND AMP IC
IC1001
AN7522N
+
-
-
+
L
R
1
2
3
4
5
6
7
8
9
10
11
12
6.3
8.5
0
8.6
3.9
2.4
0
2.5
2.1
0
8.5
8.5
C1003
1 B
HS1001
763WAAA073
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
HEADPHONE JACK
J1001
7
MSJ-2000_AG
6
C1011
R1012
2
C1012
16V
47
KA
150 1/2W
R1013
3
16V
47
KA
150 1/2W
4
5
1
W858
SPEAKER
CD1001
CP1001
SP1001
C3146903
A2502WV2-4P
SG05K07BRA
L
8 OHM
SP OUT L+
4
4
SP OUT L-
3
3
SPEAKER
SP OUT R-
2
2
SP1002
SG05K07BRA
SP OUT R+
1
1
R
8 OHM
26
27
CAUTION
ETANT
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
AUDIO SIGNAL
F
G
20AF45/20AF45C
H
8
7
6
5
4
3
2
PCB010
CME017
ARE
1
H
G-10