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A
B
8
W853
7
W854
W855
W878
FROM/TO STEREO
6
SP_AUDIO_OUT_R
SP_AUDIO_OUT_L
5
FROM/TO POWER
GND
SOUND_GND
SOUND+B
AT+5V
W884
4
ACD
FROM/TO SWITCH/AMP
POWER_ON-H
AUDIO_MUTE
3
0
4.8
SW
Q302
KTC3875S_Y_RTK
4.8
R325
SW
0
Q301
0
KTC3875S_Y_RTK
1K
0
2
W910
1
CAUTION
ATTENTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A
B
H-31
C
SOUND AMP/HEADPHONE AMP SCHEMATIC DIAGRAM
C320
50V
1
KANP
16
R304
1K
W886
C319
50V
1
KANP
15
R302
1K
0
R311
3.0
10K
0
R324
47K
W913
W911
W912
:LES PIECES REPAREES PAR UN
ETANT
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DANGEREUSES AN POINT DE VUE SECURITE
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D
E
(AV PCB)
SOUND AMP
IC301 TA2024-ASE
24.0
5.5
C337
+5VGEN
CPUMP
50V
1
KANP
0
23.0
DCAP2
PGND1
0
14.0
DCAP1
NC
NC
C338
11.0
5.5
0.1 B
VD5
VDDA
0
0
AGND1
NC
NC
6.0
R317
0
REF
OUTP1
8.2K
11.0
+-1%
0
C339
NC
OVERLOADB
VDD1
0.1
B
11.0
C340_1
0
AGND2
VDD1
25V
820
6.0
5.5
FM
V5A
OUTM1
6.0
R318
2.5
OAOUT1
OUTM2
22K
11.0
R314
2.5
C341
INV1
VDD2
0.1
B
22K
11.0
C342_1
0
MUTE
VDD2
25V
820
6.0
0
FM
NC
OUTP2
NC
2.5
0
R319
OAOUT2
NC
NC
22K
2.5
0
R315
INV2
DGND
22K
2.5
0
C332
BIASCAP
NC
NC
0.1 B
KTC3875S_Y_RTK
0
0
C323
Q300
AGND3
PGND2
SW
0.1 B
0
0
SLEEP
FAULT
NC
HS300
763WAAA066
HS78
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.
D
E
F
G
17
L300
10uH7313N
17
CP303 A2502WV2-2P
18
L301
10uH7313N
18
L302
10uH7313N
19
CP301 A2502WV2-3P
19
20
20
L303
10uH7313N
F
G
H
8
7
TR301
W5T29X7.5X19
4 OHM 10W
(L)
CD303
SPEAKER
SP302
SP OUT L+
2
1
EAS12D175B
SP OUT L-
1
2
CU127601
6
CD301
SPEAKER
SP OUT R-
3
1
SP301
NC
2
2
EAS12D175B
SP OUT R+
1
3
(R)
CU124002
4 OHM 10W
5
4
3
2
1
PCBD20
CMF080
H
H-32
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