Read Harman Kardon HK 990 Service Manual online
I/O0
4
I/O1
5
I/O2
6
I/O3
7
I/O4
8
I/O5
9
I/O6
10
I/O7
11
VDD
24
VS
S
12
A0
21
A1
2
A2
3
SCL
22
SDA
23
INT
1
I/O10
13
I/O11
14
I/O12
15
I/O13
16
I/O14
17
I/O15
18
I/O16
19
I/O17
20
U9
PCA9555
PCA9555
D1
BAS16
1
16
K6C
JRC-27F1005-M-555
JRC-27F1005-M-555
R58
3K9
3K9
R54
10K
10K
R60
3K9
3K9
R55
10K
10K
1
16
K3C
JRC-27F1005-M-555
JRC-27F1005-M-555
R57
2K4
D7
BAS16
2
4
6
8
4
6
8
1
3
5
7
3
5
7
J4
2x4P2.0(90)
1
3
5
7
9
3
5
7
9
11
13
15
17
19
21
23
25
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
26
4
6
8
10
12
14
16
18
20
22
24
26
J5
2x13P2.0(90)
2x13P2.0(90)
D6
BAS16
1
16
K7C
JRC-27F1005-M-555
JRC-27F1005-M-555
D5
BAS16
1
16
K4C
JRC-27F1005-M-555
JRC-27F1005-M-555
D4
BAS16
C63
100nF
D3
BAS16
1
16
K1C
JRC-27F1005-M-555
JRC-27F1005-M-555
D2
BAS16
1
16
K5C
JRC-27F1005-M-555
JRC-27F1005-M-555
R59
2K4
1
16
K2C
JRC-27F1005-M-555
JRC-27F1005-M-555
R51
10K
10K
+5V
+5V
+5V
-15VA
+15VA
+5V
+5V
+3.3V
+5V
RST_AK4683#
RST_CS5361
SDATA_ADC
REC_out_L
REC_out_R
LRCLK_ADC
BITCLK_ADC
SRC_AESOUT
SPDIF_RECORD
CLK_24MHZ
SCL_5V
SDA_5V
SDA_5V
INT_AK4683
RL_PROCESSOR
RL_CD
RL_TUNER
RL_AUX
RL_CDR
RL_TAPE
RL_TV
OVFL_CS5361
HPF_CS5361
1
16
K8C
JRC-27F1005-M-555
JRC-27F1005-M-555
1
16
K9C
JRC-27F1005-M-555
JRC-27F1005-M-555
D8
BAS16
D9
BAS16
RL_PHONO
RL_XLR
IN_L
IN_R
NJU7313_SCK
NJU7313_SDO
NJU7313_CS
CDR_OUT SEL
P[1]
P[1]
P[3]
P[3]
P[3]
P[3]
P[3]
P[1]
P[1]
P[1]
P[3]
P[1]
P[3]
P[3]
P[3]
P[4]
P[4]
P[4]
P[3]
P[1,3]
P[1]
P[1]
P[1]
P[1]
1
2
L3
FB-0805
+
C121
47uF/16V
ANALOG IN_L
ANALOG IN_R
P[1,3]
P[1,3]
118
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