Toshiba 27A41 Service Manual page 23

A B
8
FROM/TO AV
7
AUDIO_R
AUDIO_L
6
5
FROM/TO MICON/TUNER
4
SCL
SDA
TV_MUTE
FROM/TO POWER
P.CON+5V
P.CON+9V
3
SOUND+B
GND_POWER
SOUND_GND
2
NOTE: NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
THE DC VOLTAGE AT EACH PART WAS MEASURED
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
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C D
SOUND SCHEMATIC DIAGRAM
(MAIN PCB)
22 R314
23 10K
5.0
1
REF
20
10.0
R320
10K
SAROUND AMP
IC1001 AN5276
+
-
ATT.CONT.
+ ATT. +
RIPPLE
FILTER
CH1 CH2 CH2
NC GND NC MUTE
RF
IN IN OUT
1 2 3 4 5 6 7
0 0 13.9 0 0 0 6.7
NC
R1013
10K
HS1001
763WAA0215
NC
CAUTION: SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C D
E
R324 C334
1.8K 0.033 B
C332
R326
C331 0.47 B
100
0.022
R328
B
100
5.0 5.0 5.0 4.8 4.7 4.8 0 4.8 4.7
2 3 4 5 6 7 8 9 10
VR5
1.8K VR3 TONE
136K
AMP1
+ I2C BUS
-
INTERFACE
VR1 +
-
SIMAMP1
+
-
REF VOLAMP1 6.5K
6.5K 6.5K
VOLAMP2
REF +
- - CONTROL
SIMAMP2
+
6.5K
LOGIC
VR2
-
+ TONE
136K
VR4 AMP2
1.8K VR6
19 18 17 16 15 14 13 12 11
5.0 5.0 5.0 4.8 4.7 4.8 0 5.0 4.9
C330 C333
0.022 B 0.47 B C339
0.1 B
R325 C335 C303
1.8K 0.033 B 16V YK 47
L301 R327
47uH
100K
+
-
24
STAND CH1
GND VCC
-BY OUT
8 9 10 11 12
0.7 0 14.9 12.1 6.7
R1003 C1001
330 1 B
R1004 C1002
330 1 B
R1009
MUTE
10K
Q1001
3.6
KRC111RTK
0
0
ARE ATTENTION: LES PIECES REPAREES PAR UN ETANT NOTE:
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
E
F G
W831
25
W/CONECTOR.2SPEAKER
SPEAKER
CP1001
TID-X04P-Z1 8 OHM 2.5W
26
4 4
3 3 (L)
SP1001
2 2
27 070Y435002
1 1
CAUTION: DIGITAL TRANSISTOR
(R) 8 OHM 2.5W
THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
F G
H
8
7
6
5
4
3
2
AUDIO SIGNAL
1
PCB010
TMA509
H