Audio & Video Circuit Diagram
115mW
For D-terminal
For D-terminal
For Component-U
For SVIDEO-C
For SVIDEO-Y
For component Y
For D-terminal
For Component-V
This buffer can only drive two
loads at the same time.
So, the output forms can be
Components & D_terminal ;
Components & S-VIDEO; or
D-terminal & S-VIDEO.
Only for Alco DECAL
Only for Alco DECAL
WHEN NO BUFFER
WHEN NO BUFFER, ALL THESE
COMPONENTS SHOULD BE OR.
R172,R300 SHOULD BE USED
AS 1206 DECAL.
DV+5V FROM P5V
MUTEM: Low mute On.----Standby model.
Hign mute Off.-----Play mode.
Amute: Low Mute ON.----Standby/pause/stop.
Hign Mute Off.---Play.
KAROKA: INSTALL
WHEN ON KARAOKE,THIS
COMPONENTS DO NOT
INSTALL.
NO KARAOKE:R243 ,R244=0R,R96,R107=13K;
KARAOKE:R243,R244= 2K/1%,R96,R107=11K/1%
NO KARAOKE:R99 /R110=2K,R129/R117=NC;
KARAOKE: R99/R110=NC,R129/R117=2K
A-RMAIN
A-LMAIN
ALRCLK
A-RMAIN
ABCLK
LMAIN-OUT
MUTE
CVBS_C_1
MUTE
PA+12V
MIC-R
MUTE
MIC-L
A-LMAIN
MUTE
MUTE
A5V-1
MIC-L
MIC-R
MUTE
MUTE
MUTE-OP
MUTE-OP
RMAIN-OUT
MUTE-OP
SCART-R 7
RMAIN-OUT 7
LMAIN-OUT 7
SCART-L
7
CVBS_G_Y/OUT
7
C_B_U/OUT
7
Y_R_V/OUT
7
AOUT3
3
AMCLK
3
ABCLK
3
ALRCLK
3
C_B_U
3
C_B_U/OUT 7
CVBS_G_Y/OUT 7
CVBS_G_Y
3
Y_R_V
3
Y_R_V/OUT 7
CVBS_C
3
Y_D
7
Y_RCA
7
Cr_RCA
7
Y_SVIDEO 7
Cr_D
7
Cb_RCA
7
Cb_D
7
C_SVIDEO 7
AOUT0
3
PA+12V
7
PA-12V
7
CVBS_SCART 7
CVBS_C/OUT 7
D+5V
7
AMUTE
3
D+5V
7
PA+12V
7
I2CDAT
3,6
ML
3
I2CCLK
3,6
FS1
3,7
DSPVCC337
A5V
3
A-12V
A+12V
A+12V
A-12V
A-12V
PA+12V
PA+12V
A33V
A-12V
A+12V
D+5V
A5V
D+5V
D+5V
GND
DSPVCC33
A5V
C138
100uF/16V
L6
1.1uH
R47
NC
C133
150pF
R120
91K
R42
0R/NC
C143
11pF
R101
20K
C112
100uF/16V
+
C125
220uF/25V
R151
2K
+
C129
47uF/25V
R150
2K
Q11
2N3904
1
2
3
R141
NC/6.8K
R139
NC/6.8K
C205
220uF/16V
R109
0
R100
0
C105
100uF/16V
R108
3.9K
C107
1.2nf
R94
100R/NC
C110
120pF
L8
1.1uH
R122
470R
U9
PCM1753
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
BCK
DIN
LRCK
DGND
NC-1753
VCC
VoutL
VoutR
AGND
Vcom
ZeroR/ZeroA
ZeroL/NA
MD
MC
ML
SCK
C141
NC/2.2uF/50V
C204
NC
Q10
2N3904
1
2
3
R98
22K
R105
NC
D5
1N4148
Q12
2N3906
2
3
R8
10R
R103
33
C119
0.1uF
C104
47uF/25vV
R96
13K/11K1%
R117
2K/NC
R557
0R
J12
5PIN
1
2
3
4
5
Q24
2N3906
1
2
3
R111
2K
R107
13K/11K1%
FB5
C142
NC/2.2uF/50V
R556
10K
C118
0.1uF
+
C117
47uF/16V
R126
0R
AGND
C149
160pF
R106
100R/NC
C131 11pF
R300
75R
R301
NC
R7
NC/2K
Q20
NC/2N3904
1
2
3
C127
NC
R137
100K
R127
0R
R128
0R
R114
100K
C124
NC
C128
NC
+
C115
47uF/16V
C123
NC
R115
15K
C130
NC
C126
NC
R175
0R
C140
11pF
C145
160pF
R143
82R 1%
R113
0R
Q18
NC
3
2
1
L7
1.1uH
U10
NC
1
2
3
4
8
7
6
5
9
10
11
12
13
14
15
16
MUTE
INA
GND
INB
GND
INC
N.C.
GND
OUTC2
OUTC1
N.C.
OUTB2
OUTB1
OUTA2
OUTA1
VCC
R172
NC
C144
150pF
C120
0.1uF
+
C116
470uF/16V
FB6
R135
100K
R230
0R
R104
22K
R134
4.7K
R132
NC
R133
NC
Q14
2N3906
1
2
3
D29
1N4148
R231
0R
R118
0R
L5
1.1uH
R97
3.9K
C135
11pF
R144
75R
R102
330
R99
2K/NC
C102
0.1uF
R136
75R 1%
R244
0R/2K1%
GND
C106
1nF
Q21
NC/2N3904
1
2
3
TP63
C136
150pF
R145
75R 1%
C103
120pF
+
C108
47uF/25V
C148
150pF
R119
0R
R116
NC
R240
NC/2K
R93
20K
C109 47uF/25V
R140
75R 1%
C137
160pF
R95
330
R131
NC
TP64
TP62
D6
1N4148
R124
0R
R125
NC
R121
0R
R123
NC
R243
0R/2K/1%
C134
160pF
+
-
U8B
D4558
5
6
7
+
-
U8A
D4558
3
2
1
C122
NC
C121
NC
R110
2K/NC
+
C114
47uF/25V
Q13
2N3906
2
3
R129
2K/NC
C113
1.2nf
Q32
8550
3
2
1
R130
1.3K
