Toshiba 14AF41 Service Manual page 25

A B
8
FROM AV
AUDIO_R
AUDIO_L
7
6
5
FROM/TO MICON/TUNER
SCL
SDA
4
TV_MUTE
FROM POWER
P.CON+5V
GND_POWER
P.CON+9V
SOUND+B
GND_SIGNAL
3
FROM DEFLECTION
UNREG+14V
2
FROM/TO POWER
SOUND_GND
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 D
SOUND SCHEMATIC DIAGRAM
R314
22
23
1.5K R324 C334
1.8K 0.033 B
C331_1
0.022
C332
F
0.47
B
5.0 5.0 5.0 5.0 4.8
1 2 3 4 5
1.8K VR3
136K
+
REF
-
VR1
SIMAMP1
+
-
REF VOLAMP1
6.5K
VOLAMP2
REF +
-
SIMAMP2
6.5K
VR2
-
+
136K
1.8K VR4
20 19 18 17 16
10.0 5.0 5.0 5.0 4.8
C333
0.47 B
C330_1
R320
0.022 F
1.5K
R325 C335
1.8K 0.033 B
L301
C302 47uH
16V 470 YK
SOUND AMP IC
IC353 AN5276
+
+
-
-
ATT.CONT.
+ ATT. +
RIPPLE
FILTER
CH1 CH2 CH2 STAND
NC GND NC MUTE GND VCC
RF
IN IN OUT -BY
1 2 3 4 5 6 7 8 9 10 11
0 0 13.9 0 0 0 6.7 0.7 0 14.9
NC
C363_1
1 B
C365_1
R362
1 B
10K
R363
MUTE
10K
Q351
3.6
DTC114TKA
0
0
HS351
763WAA0215
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
(MAIN PCB)
R326
100 1/4W
R328
100
4.7 4.8 0 4.8 4.7
6 7 8 9 10
VR5
TONE
AMP1
I2C BUS
INTERFACE
+
-
6.5K
6.5K
- CONTROL
+
LOGIC
TONE
AMP2
VR6
15 14 13 12 11
4.7 4.8 0 5.0 4.9
C339
0.1 B
C303
16V 47 YK
R327
100K
W831
24
25
CH1
OUT
12
12.1 6.7
C352_1
R355
1 B
4.7K
R356
C353_1
4.7K
1 B
26
27
SINCE THESE PARTS MARKED BY ARE ATTENTION: LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
E
F G
SPEAKER
CP351
TID-X04P-Z1 SP351
810-47-171
4 4
8 OHM 5W
3 3 (L)
SPEAKER
2 2
SP352
1 1
810-47-171
8 OHM 5W
CD351
(R)
CH146801
HEADPHONE JACK
J351
HSJ2000-01-010
7
6
R358
2
R357 150 1/2W
3
150 1/2W
4
5
1
CAUTION: DIGITAL TRANSISTOR
ETANT
F G
H
8
7
6
5
4
3
AUDIO SIGNAL
2
PCB010
TMA510
1
H