Toshiba 32AF46C Service Manual page 28

A B
8
FROM TUNER/STEREO
SW_AUDIO_L
SW_AUDIO_R
7
6
FROM CHROMA
P.CON+8V[B]
5
AT+5V
FROM/TO COMBI/FILTER
GND
FROM/TO MICON
SDA
SCL
BBE_SW
4
TV_MUTE
FROM POWER
SOUND+B
GND
P.CON+12V
SOUND_GND
3
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
23
R301 2.7K 1/4W
22
2.7K 1/4W
C309
0.039
B
NC NC
3.9 1.7 3.0 0 0 3.9 3.9
1 2 3 4 5 6 7
NC NC
PF1 AGC L IN PF2 PF3
Tone
AGC SURR
+
Control
MODE
control VCC R IN Vref
NC NC BB
32 31 30 29 28 27 26
2.3 7.9 4.5 4.0 0 0 4.0
NC NC
L301
100uH 0305
SOUND AMP IC
IC1001 AN17808B
+
-
+ ATT. +
VOL
RIPPLE
FILTER
CH1 CH2 CH2
NC GND VOL
RF
IN IN OUT
1 2 3 4 5 6 7
0 0.2 16.0 0 0.2 0 0.7
NC
W803
W858
R1013
R1014
10K
820 1/4W
R1009
10K 1/4W
MUTE
Q1001
RT1N140C
3.6
0
0
ATTENTION
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
3.9 0 4.0 4.0 0 0 2.0 2.9 4.0
8 9 10 11 12 13 14 15 16
PF4 GND NC NC
LT LB BD VD L ONT
+
Volume 2.2K
Balance
Control
/MUTE
+
4.8
RB RT BLD TD NC NC R OUT SDA SCL
25 24 23 22 21 20 19 18 17
4.0 4.4 3.0 2.0 0 0 4.0 3.5 3.5
NC NC
4.8
R303
100 1/4W
R304
100 1/4W
+
-
ATT.CONT.
STAND CH1
MUTE GND VCC
-BY OUT
8 9 10 11 12
3.7 0 16.5 12.7 0.7
R1003 C1001
8.2K 50V 0.22 YK
R1004 C1002
8.2K 50V 0.22
YK
26
27
HS1001
763WAA0215
CAUTION
:LES PIECES REPAREES PAR UN ETANT :SINCE THESE PARTS MARKED BY
DANGEREUSES AN POINT DE VUE SECURITE CRITICAL FOR SAFETY,USE ONES
N'UTILISER QUE CELLS DECRITES DESCRIBED IN PARTS LIST ONLY
DANS LA NOMENCLATURE DES PIECES
D E
F G
R305 C323 R307 C325
20K 0.0033 20K 0.033
B
B
R313
1K 1/4W
4.8 4.8 4.8 4.8 4.8 4.8 0 8.9 8.9
8.9
1 2 3 4 5 6 7 8 9 10
BBE
20 19 18 17 16 15 14 13 12 11
4.8 4.8 4.8 4.8 4.8 4.8 4.8 9.5 0
C324 C326
R306 R308
20K 0.0033 B 20K 0.033 B
FROM/TO AV JACK
24
25
CP1001
CD1001_1
A2502WV2-4P
C3142502
4
3
2
1
W833
W834
CAUTION: DIGITAL TRANSISTOR
ARE
F G
H
8
7
6
5
4
3
2
PCB010
CMD016
1
H
G-10