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A
B
FROM/TO MICON/TUNER
8
SCL
SDA
A_MUTE
FROM POWER
7
W850
SOUND+B
SOUND_GND
FROM REGULATOR1
GND
P.CON+12V
6
P.CON+9V
AT+5.6V
5
FROM STEREO
R301
A_OUT_L
2.2K 1/4W
R303
A_OUT_R
2.2K
4
3
2
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.
1
A
B
G-19
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
IC351
AN5276
+
-
ATT.CONT.
+
ATT.
+
RIPPLE
FILTER
CH1
CH2
CH2
NC
GND
NC
MUTE
RF
IN
IN
OUT
1
2
3
4
5
6
7
8
0
0
13.9
0
0
0
6.7
0.7
NC
W837
R353
10K 1/4W
HS351
763WAA0215
30
29
4.0
1.6
4.0
1
2
3
PF1
AGC
L IN
AGC
SURR
+
MODE
control
VCC
R IN
32
31
30
0.6
7.9
4.0
L301
100uH 9A06B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(AV PCB)
+
-
STAND
CH1
GND
VCC
-BY
OUT
9
10
11
12
0
14.9
12.1
6.7
R357
22K 1/4W
C309
0.033
NC
NC
NC
NC
B
0
0
3.9
4.0
4.0
0
4.0
4.0
0
0
4.0
4.1
4.0
4
5
6
7
8
9
10
11
12
13
14
15
16
NC
NC
PF4
GND
NC
NC
PF2
PF3
LT
LB
BD
VD
L ONT
Tone
+
Volume 2.2K
Balance
Control
Control
/MUTE
+
Vref
NC
NC
BB
RB
RT
BLD
TD
NC
NC
R OUT
SDA
SCL
29
28
27
26
25
24
23
22
21
20
19
18
17
4.0
0.1
0.1
4.0
4.0
4.0
3.0
2.0
0
0
4.2
4.0
4.3
NC
NC
NC
NC
R307
100 1/4W
ATTENTION
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
28
27
TO SPEAKER
CP302
TID-X02P-M1
CU123801
SP OUT R+
1
C331
SOUND GND
2
470P CH
C332
470P CH
C333
470P CH
CP301
TID-X02P-M1
CU123801
SP OUT L+
1
C334
SOUND GND
2
470P CH
SW
Q301
KTA1504S_Y_RTK
0
5.0
3.9
D301
1SS133
AUDIO SIGNAL
:LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
AUDIO SIGNAL(PB)
N'UTILISER QUE CELLS DECRITES
TUNER AUDIO SIGNAL
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
7
6
R CH
CD302
SPEAKER
5
SP352
1
SG04H02BRA
2
8 OHM
L CH
CD301
SPEAKER
SP351
1
SG04H02BRA
2
8 OHM
4
FROM/TO IN/OUT
SP_OUT_L
SP_OUT_R
SOUND_GND
SP_OUT_L2
SP_OUT_R2
3
2
1
PCB250
TMB561
H
G-20
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