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A
B
8
7
6
FROM/TO AV SWITCH
R301
SW_AUDIO_L
R302
2.7K 1/4W
SW_AUDIO_R
2.7K 1/4W
SDA
SCL
AUDIO_MUTE
5
4
FROM POWER
AT+5V
P.CON+5V
P.CON+9V
SOUND+B
3
GND
W848
W818
W822
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
H-19
C
SOUND SCHEMATIC DIAGRAM
C311
0.039
NC
NC
B
4.1
1.7
4.5
0
0
4.3
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
2.6
8.1
4.5
0
0
4.9
4.0
NC
NC
R303
39K 1/4W
C301
1
B
R308
L301
100 1/4W
100uH 0305
W856
W858
2.9
R306
MUTE SW.
Q301
0
47K
KTC3875S_Y_RTK
0
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
(AV PCB)
C325
35V
22
NA
NC
NC
4.1
4.1
0
4.7
4.1
0
0
2.1
2.7
6.4
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
+
RB
RT
BLD
TD
NC
NC
R OUT
SDA
SCL
25
24
23
22
21
20
19
18
17
4.5
3.0
0
0
5.6
5.0
5.0
4.1
2.2
NC
NC
D301
1SS133
C350
C324
560P CH
35V
22
NA
5.0
5.0
SW
0
Q302
KTA1504S_Y_RTK
31
28
1
5.8
C326
1
B
C327
R311
1
B
4.7K
HS301
763WAA0353
HS16A
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
W851
60
C340
R329
16V
22
KA
12K
0
4.8
4.8
4.8
4
3
2
1
-
+
+
-
5
6
7
8
6.2
6.2
6.2
9.0
60
C337
R328
12K
16V
22
KA
5.0
MUTE SW
Q303
KTC3875S_Y_RTK
SOUND AMP IC
IC302
LA42052-E
2
3
4
5
6
7
8
9
10
11
12
13
1.5
0
1.5
1.0
8.0
12.0
6.0
0
NC
0
0
NC
6.0
0
NC
14
15
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
7
5.0
MUTE SW
5.0
Q304
KTC3875S_Y_RTK
0
MUTE SW
Q306
KRA101SRTK
6
5.0
5.0
0
0
0
R334
5.0
0
10K
MUTE SW
0
Q305
KTC3875S_Y_RTK
5
4
3
TO OPERATION/
SIDE JACK/REMOCON
CP301
(CP4201)
A2001WV2-4P-BLK
SP OUT L
1
GND
2
GND
3
SP OUT R
4
2
PCBD20
CMF082
CAUTION: DIGITAL TRANSISTOR
1
H
H-20
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