Harman Kardon HS 300, Service Manual

Page: 91 / 109

AML3278 ,decoder, SMD
Memory #1
M
e
m
o
r
y
#
2
C
L
O
C
K
S
&
P
L
L
TEST
FE ANALOG
FED
P O W E R
A
u
d
i
o
V
i
d
e
o
D
A
C
D
V
I
GPIO
AML3278
U4
9
2
76
77
78
79
81
82
83
84
85
86
87
88
100
98
96
95
97
99
102
101
105
106
107
108
109
110
111
112
1
1
4
1
3
8
1
5
2
1
7
8
2
2
0
7
3
1
4
0
1
4
1
1
4
2
1
4
3
1
4
4
1
4
5
1
4
8
1
4
9
1
7
2
1
7
1
1
7
0
1
6
9
1
6
8
1
6
7
1
6
6
1
5
1
1
9
5
1
9
6
1
9
7
1
9
8
1
8
5
1
8
4
1
8
3
1
8
2
1
8
1
1
8
0
1
9
4
1
7
5
1
5
0
1
7
3
1
7
4
1
8
6
1
8
7
1
8
8
1
8
9
1
9
0
1
9
3
199
200
68
67
70
66
69
71
80
93
94
125
128
131
134
2 3 4 6 7 8 1
0
1
1
1
2
1
3
2
6
2
4
7
2
5
1
2
5
2
2
4
9
5 2
5
2
5
4
9 2
7
2
5
3
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
8
2
9
3
0
3
1
2
5
5
2
5
6
2
5
0
2
4
8
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
126
129
132
127
130
133
4
4
5
7
7
4
8
9
1
0
3
1
1
5
1
4
6
1
6
0
1
7
7
1
9
2
2
0
2
2
1
4
1
5
3
2
2
4
5
4
5
5
6
7
5
9
0
1
0
4
1
2
0
1
4
7
1
5
9
1
7
6
1
9
1
2
0
1
2
1
3
203
1
4
3
3
7
2
9
1
1
1
3
1
3
9
1
6
5
1
7
9
2
1
9
2
4
6
204
205
206
221
222
223
224
244
243
225
232
235
238
241
226
231
234
237
240
230
229
227
228
233
236
239
242
211
210
209
208
207
164
163
162
161
158
157
156
155
154
153
55
54
53
52
51
50
49
48
47
46
216
212
215
217
218
6
5
6
4
6
3
6
2
6
1
6
0
5
9
5
8
1
3
7
1
3
5
1
3
6
1 1
2
4
1
2
2
1
2
1
1
2
3
116
117
118
119
V
S
S
_
1
.2
V
_
4
M2_D_11
M2_D_8
M2_D_12
M2_D_14
M2_D_13
M2_D_10
M2_D_9
M2_D_15_A
M2_A_3
M2_A_2
M2_A_1
M2_A_0
M2_A_4
M2_A_5
M2_A_6
M2_A_7
M2_A_8
M2_A_9
M2_A_10
M2_A_11
M2_D_7
M2_D_0
M2_D_6
M2_D_5
M2_D_4
M2_D_3
M2_D_2
M2_D_1
V
S
S
_
1
.2
V
_
5
V
S
S
_
1
.2
V
_
6
V
S
S
_
1
.2
V
_
7
V
S
S
_
1
.2
V
_
8
V
S
S
_
1
.2
V
_
9
V
S
S
_
1
.2
V
_
3
M
1
_
D
_
0
M
1
_
D
_
1
M
1
_
D
_
2
M
1
_
D
_
3
M
1
_
D
_
4
M
1
_
D
_
5
M
1
_
D
_
6
M
1
_
D
_
7
M
1
_
D
_
8
M
1
_
D
_
9
M
1
_
D
_
1
0
M
1
_
D
_
1
1
M
1
_
D
_
1
2
M
1
_
D
_
1
3
M
1
_
D
_
1
4
M
1
_
D
_
1
5
M
1
_
A
_
0
M
1
_
A
_
1
M
1
_
A
_
2
M
1
_
A
_
3
M
1
_
A
_
4
M
1
_
A
_
5
M
1
_
A
_
6
M
1
_
A
_
7
M
1
_
A
_
8
M
1
_
A
_
9
M
1
_
A
_
1
0
M
1
_
A
_
1
1
M
1
_
D
Q
M
0
M
1
_
D
Q
M
1
M
1
_
C
L
K
O
M
1
_
W
E
_
N
M
1
_
C
A
S
_
N
M
1
_
R
A
S
_
N
M
1
_
S
C
S
_
N
M
1
_
B
A
0
M
1
_
B
A
1
ECS_N
EOE_N
M2_BA0
M2_BA1
M2_DQM0
M2_DQM1
M2_SCS_N
M2_CAS_N
M2_WE_N
M2_RAS_N
M2_CLKO
DVSS_PLL0
AVSS_PLL0
VSS_PLL1
VSS_PLL2
C
O
M
P
A
D
R
F
S
S
L
C
C
E
D C
E
C
F
E
T
E
I
N
T
E
P
I
R
E
F
C
S
V
G
P
A
O
1
G
P
A
I
N
2
A
V
D
D
1
2
R
F
A
V
S
S
1
2
V
C
O
A
V
D
D
3
3
A
D
A
V
D
D
3
3
S
V
A
V
D
D
3
3
V
C
O
A
V
S
S
3
3
A
D
A
V
S
S
3
3
S
V
A
V
S
S
3
3
V
C
O
G
P
A
I
P
2
P
L
C
C
G
P
A
O
2
F
O
O
S
L
O
R
E
F
2
X
S
V
O
R
E
F
T
R
O
D
M
O
C
O
M
P
0
S
V
C
O
M
P
1
S
V
C
O
M
P
2
S
V
C
O
M
P
3
S
V
R
E
F
C
R
F
R
F
R
E
F
A
V
S
S
1
2
R
F
A
V
D
D
1
2
V
C
O
T
Z
C
S
D
A
S
C
K
T
C
L
O
S
E
T
O
P
E
N
L
I
M
I
T
M
I
R
R
O
R
S
T
B
Y
L
D
O
N
H
O
L
D
DVDD_PLL0
DVDD_PLL1
DVDD_PLL2
AVDD_PLL0
AVDD_PLL1
AVDD_PLL2
V
S
S
_
3
.3
V
_
1
V
S
S
_
3
.3
V
_
2
V
S
S
_
3
.3
V
_
3
V
S
S
_
3
.3
V
_
4
V
S
S
_
3
.3
V
_
5
V
S
S
_
3
.3
V
_
6
V
S
S
_
3
.3
V
_
7
V
S
S
_
3
.3
V
_
8
V
S
S
_
3
.3
V
_
9
V
S
S
_
3
.3
V
_
1
0
V
S
S
_
3
.3
V
_
1
1
V
S
S
_
3
.3
V
_
1
2
V
S
S
_
1
.2
V
_
1
V
S
S
_
1
.2
V
_
2
V
S
S
_
1
.2
V
_
1
0
V
D
D
_
3
.3
V
_
1
V
D
D
_
3
.3
V
_
2
V
D
D
_
3
.3
V
_
3
V
D
D
_
3
.3
V
_
4
V
D
D
_
3
.3
V
_
5
V
D
D
_
3
.3
V
_
6
V
D
D
_
3
.3
V
_
7
V
D
D
_
3
.3
V
_
8
V
D
D
_
3
.3
V
_
9
V
D
D
_
3
.3
V
_
1
0
V
D
D
_
3
.3
V
_
1
1
V
D
D
_
3
.3
V
_
1
2
IEC958
V
D
D
_
1
.2
V
_
1
V
D
D
_
1
.2
V
_
2
V
D
D
_
1
.2
V
_
3
V
D
D
_
1
.2
V
_
4
V
D
D
_
1
.2
V
_
5
V
D
D
_
1
.2
V
_
6
V
D
D
_
1
.2
V
_
7
V
D
D
_
1
.2
V
_
8
V
D
D
_
1
.2
V
_
9
V
D
D
_
1
.2
V
_
1
0
AMCLK
AOCLK
ALRCLK
ADATA_0
ADATA_1
ADATA_2
ADATA_3
DVDD_DAC(1.2V)
DVSS_DAC(1.2V)
AVDD_DAC(3.3V)
AVDD_DAC_R(3.3V)
AVDD_DAC_G(3.3V)
AVDD_DAC_B(3.3V)
AVDD_DAC_X(3.3V)
AVSS_DAC(3.3V)
AVSS_DAC_R(3.3V)
AVSS_DAC_G(3.3V)
AVSS_DAC_B(3.3V)
AVSS_DAC_X(3.3V)
COMP
RSET
VREF_IN
VREF_OUT
IOR
IOG
IOB
IOX
HD_D_0
HD_D_1
HD_D_2
HD_D_3
HD_D_4
HD_D_5
HD_D_6
HD_D_7
HD_D_8
HD_D_9
HD_D_10
HD_D_11
HD_D_12
HD_D_13
HD_D_14
HD_D_15
HD_D_16
HD_D_17
HD_D_18
HD_D_19
HD_D_20
HD_D_21
HD_D_22
HD_D_23
HD_CK
HD_D_DE
HD_D_HS
HD_D_VS
HD_GP0
HD_GP1
V
D
0
V
D
1
V
D
2
V
D
3
V
D
4
V
D
5
V
D
6
V
D
7
R
E
S
E
T
_
N
T
R
S
T
_
N
T
E
S
T
_
N
S
V
I
R
E
F
T
M
S
T
C
K
T
D
O
T
D
I
AICLK_GP0
AICLK_GP1
SCLK_XOUT
SCLK_XIN
L7912 or LM7912, Voltage Regulator, TO-220 IRFP460C ,Power MOSFET, TO-247
91
HS300
harman/kardon