Inhaltsverzeichnis
Werbung
Hauptplatte – Analog / Main Board – Analogue (Audio)
4
R92
AVREF
AOUT_R
EC26
10u/10V
R95
6.8K
R96
(2)
AOUT_R
C114
1000P
GND
2 CH AUDIO GAIN AMPLIFIER CIRCUIT
R108
AVREF
10u/10V
AOUT_L
EC28
R111
6.8K
R112
(2)
AOUT_L
C122
1000P
GND
VPP
EC29
10u/16V
R121
4.7K
ZD1
2
Q14
GND
BC858
R123
4.7K
R122
4.7K
Q15
ZD 4.7V
2
VDD
BC858
R124
10R
GND
+3.3
R160
2.2K
Q16
2
(5)
IO_MUTE
BC858
R127
MUTE1
AUDIO MUTE CIRCUIT
R83
+12VM
VPP
R84
10K
10/0805
+
EC22
R85
330u/16V
10K
GND
L14
FB80/0805
+5V
AVDD
EC24
C107
10u/10V
100n
GND
R89
47K
C110 68P
+12VM
UA1A
EC25 10u/10V
7.5K
3
+
R93
100
1
6.8K
2
-
MC4558
MUTE
Q12
BC848B(SOT23)
GND
GND
R100
47K
C116 68P
+12VM
UA1B
EC27 10u/10V
7.5K
5
+
R109
100
7
6.8K
6
-
MC4558
MUTE
Q13
BC848B(SOT23)
GND
GND
R120
560/0805
RS2
0R
RS3
0R
R174
0R
FB5
0R
FB7
0R
R165
0R
R166
0R
GND
GND
200
MUTE
AOL_C
R125
AOR_C
R126
C133
R129
MUX_LO
2.2u/0805
24K
AVREF
C104
+
EC23
10u/16V
100n
C136
R131
MUX_RO
GND
2.2u/0805
24K
AVCC
AVCC
R136
MUTE1
100K
R185
HP_IN
R139
10K
D5
RLS4148
R187
Q17
2
(5)
SPK_MUTE
BC848B(SOT23)
100R
C177
22P
GND
C111
R90
6.8K
MR1
10u/0805
R94
100
R91
15K
AVDD
R97
470K
C112
C113
220P
GND
680P
R99
470K
R98
10K
R101 470K
C117
R103
6.8K
R105 470K
10u/0805
R104
R107
15K
10K
GND
(5)
AV_SW
ML1
R110
100
GND
C120
C121
220P
680P
C123 10u/0805
AIN_L
AIN_LL
R113
6.8K
AIN_R
AIN_RR
R114
6.8K
C124 10u/0805
R117
R118
15K
15K
GND
DGND
AVCC
L15
36K
AOL-
C128
C129
FB300
AOR-
36K
100n
100n
GND
GND
U12
AOL_C
6
5
-In A
-Out A
C134
8
+ In A
NC
3
+Out A
C135
14
Bypass
GND
NC
AOR_C
15
-In B
LM4863
16
-Out B
13
+In B
18
+Out B
R137
1
Shutdown
100R
100K
20
HP-IN
R141
C140
C141
10K
0.33u/0805
1u
GND
GND
AVDD
C115
100n
GND
U11
74HC4053
MUX_RO
12
14
X0
X
AIN_R
13
X1
MUX_LO
15
Y
2
Y0
AIN_L
1
4
Y1
Z
5
Z0
3
Z1
11
AV_SW
A
10
B
9
C
6
EN
7
VEE
GND
GND
If AV_SW = LO, Then Input = DVD PLAYER
If AV_SW = HI, Then Input = AUDIO IN
AVDD
AOL-
AOL- (5)
R128
NC
AOL-E
EC30 47u/16V
R130
1K
AOL+
AOL+ (5)
GND
AOR-
AOR- (5)
R132
NC
AOR-E
EC31 47u/16V
R133
1K
AOR+
AOR+ (5)
GND
Werbung
Inhaltsverzeichnis
