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A
B
8
7
R6558
AUDIO_L
3.3K
R6559
AUDIO_R
3.3K
6
C6562
10
C
6.3V(2125)
C6561
10
C
6.3V(2125)
C6557
2.2 B
5
C6555
10 C
C6556
0.1 B
C6559
10 C
C6560
0.1 B
4
RESET_N
NR6551
SDOUT
CRA108470JV
LRCK
MCLK
BCLK
3
2
1
A
B
H-21
C
L6551
P.CON+9V
22uHNLCV32T
15
R6562
2.7K
16
R6561
2.7K
AUDIO_ADC IC
IC6551
AK5358A
R6566
2.6
0
AINR
CKS0
4.7K
R6567
2.6
0
CKS2
AINL
4.7K
5.1
3.3
CKS1
DIF
2.5
3.3
VCOM
PDN
0
2.3
AGND
SCLK
X6551
5.1
2.3
100DT01217
VA
MCLK
12.288MHz
3.3
2.3
NC
VD
LRCK
2
1
0
2.1
DGND
SDTO
3
4
OUT
VCC
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
AV SWITCH2 SCHEMATIC DIAGRAM
(DIGITAL PCB)
Lch SW IC
IC6552
NJM2534V
2125
C6570
0
4.3
SW_L
10
B
BUFFER
4.0
3.3
ASW0
C6567
9.3
4.8
TU_AUDIO_L
10
B
BAIAS
2125
4.9
3.2
NC
D3.3V
Rch SW IC
IC6553
NJM2534V
2125
C6571
4.3
0
SW_R
10
B
BUFFER
4.0
3.3
C6568
9.3
4.8
TU_AUDIO_R
10
B
BAIAS
2125
4.9
3.2
NC
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
SW_Y_IN
AV1_Y
SW_C_IN
AV1_C
F
G
H
8
7
FROM/TO SCALER VIDEO/AUDIO
LRCK
SDOUT
BCLK
MCLK
ASW0
SW_Y_IN
SW_C_IN
6
FROM TUNER
TU_AUDIO_L
TU_AUDIO_R
FROM JACK3
5
AV1_Y
AV1_C
SW_L
SW_R
4
3
FROM MICON
RESET_N
FROM REGULATOR2
P.CON+9V
D3.3V
D5.0V
2
GND
PCBDH0
CEG352
1
H
H-22
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