Harman Kardon HK 990 Service Manual ▷ View online
-20VA
+20VA
R31
220R
220R
R63
100R
100R
C77
100nF
100nF
R61
2K7
2K7
C57
100nF
100nF
C37
100nF
100nF
-
+
2
1
3
4
D7
GBU806
GBU806
R28
220R
220R
D2
30BQ040PbF
30BQ040PbF
R55
100R
100R
-
+
2
1
3
4
D6
GBU806
GBU806
C27
100nF
100nF
R30
2K4
2K4
ADJ
1
VIN
2
VOUT
3
U9
LM337T-ADJ
R37
2K4
2K4
C81
100nF
100nF
D4
30BQ040PbF
VIN
3
ADJ
1
VOUT
2
U6
LM317T-ADJ
C51
100nF
R54
2K7
2K7
-15VA
+15VA
+5V
+3.3V
Chassis screwed transformer
0.5A
15.5V
Low-ESR
Low-ESR
C72
4.7mF/16V
C63
4.7mF/16V
C71
4.7mF/25V
C62
4.7mF/25V
Q7
TIP32C
Q2
TIP31C
TERMINAL ERTH
E
TERMINAL ERTH
E
C50
470uF/35V
C54
470uF/35V
C45
10uF/50V
C55
10uF/50V
C30
10uF/50V
C40
10uF/50V
C21
220uF/25V
C33
220uF/25V
1
2
3
4
5
1
3
230V
TO FUSE BOARD
0V
0.5A
15.5V
1.5A
8V
R40
RF0.22R/0.5W
R41
RF0.22R/0.5W
R42
RF0.22R/0.5W
+11v
C82
100nF
C75
100nF
100nF
C32
100nF
C39
220uF/10V
220uF/10V
C35
100nF
C36
220uF/10V
220uF/10V
VIN
1
GND
2
VOUT
3
IC1
L7805CV
ADJ
1
OUT
2
IN
3
IC2
AMS1085CT
C38
10UF/50V
R21
412R/1%
412R/1%
R22
680R/1%
680R/1%
1
2
3
4
5
J11
5P2.5
+VCC
-VSS
111
+V
3
GND
2
OUT
1
IR1
KS-803LM(90)
C11
104
C17
47U10
C5
104
R1
10R
R2
10R
TO MCU BOARD
F1
F2
+37V
GND
RELAY
MCU+5V
TO FUSE BOARD
C3
104
DGND
DGND
C1
104
104
R6
27K
DGND
DGND
DGND
C16
10U16V
DGND
C9
104
DGND
C13
100U16(NC)
Z1
24.576M(HC-49S)
C18
30p
C19
30p
R7
1M
DGND
R4
10K
K1
K2
K3
K4
K5
K6
DGND
DGND
C2
104
C12
100U16
A0
1
A1
2
A2
3
GND
4
VC
C
8
WP
7
SC
L
6
SDA
5
IC1
AT24C02
1
2
3
4
5
6
CN2
6P(2.0)
STBY+5V
TXD
RXD
GND
MCU-MCLR
GPIO_FAV
C14
47U10
DGND
R3
100R
DGND
R5
10K
R20
560
R21
470
Q2
C1815
R16
4K7
C7
10U10
+5V
+5V
1
2
3
4
CN4
4P(2.0)
TO LED & VOL
DGND
B
A
+5V
DGND
REMOTE
MCU+5V
K8
K9
K10
K11
K12
K7
K13
K14
R4
6
10K
R4
7
10K
R45
10K
R44
10K
TO IR BOARD
DGND
R42
10K
R3
8
10K
R4
0
10K
Q6
C1815
R54
39K
R50
100R
R52
100K
DGND
DGND
Q4
C1815
R55
39K
R51
100R
R53
100K
DGND
DGND
R56
47
V IN
3
GND
1
V OUT
2
IC2
LD1117S33
+5V
C37
100U16
DGND
+5V
+3.3V
C36
104
C6
104(NC)
D4
IN4148
R
29
10K
R
31
10K
R
32
10K
R3
3
10K
R
34
10K
R3
5
10K
R3
6
10K
R
37
10K
R4
1
10K
R5
7
10K
R
58
10K
R
59
10K
R
60
10K
R
61
10K
DGND
DGND
DGND
DGND
+3.3V
R30
27
R49
27
DGND
K15
standby
speaker1
speaker2
rec
source left source right input setup
speaker setup
arrow up
arrow down
arrow left
enter
arrow right level setting
TD-27XAX
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
11
12
13
14
14
GND
15
VC
C
16
R1 UOT
T1 IN
T1 IN
R1 IN
T1 OUT
T1 OUT
IC6
MAX3232CDR(NC)
C40
104(NC)
C39
104(NC
)
C42
104(NC)
C41
104(NC)
DGND
DGND
DGND
DGND
C38
104
1
2
3
4
5
6
7
8
9
10
CN5
2*5P(2.54)90 IDC
(NC
)
R62
10K
1
2
3
4
5
6
CN14
6P(2.5)
DGND
+5V
+3.3V
R67
10K
R68
4.7K
4.7K
+3.3V
R43
4.7K
4.7K
R65
10K
10K
R66
4.7K
R39
10K
10K
+5V
NC
PGC
PGD
GND
+3.3V
RESET
16-BT-151GINK
F2
71
1G
8
LGND
67
PGND
66
VH
65
VDD
64
OSC
63
RESET
62
CS
61
CP
60
DA
59
F1
1
16G
7
Q1G
6
Q16G
5
TSB
57
VF1
16-BT-151GINK
DGND
++
_
LED1
LED Y&W
Y
W
+3.3V
+3.3V
DGND
7
6
5
4
3
2
1
CN1 7P(2.0)
LED+5V
LED+5V
DGNDDGND
R15
10K
10K
DGND
RA2
22
RE0
2
RE1
1
RE2
64
MCLR
7
RE3
63
9
Vddcore/Vcap
10
RE4
62
RE5
61
RE6
60
RE7
59
TX2
4
AVDD
19
AVSS
20
25
VDD
26
RC3
/S
CL1
34
RC4
/S
D
A
1
35
VDD
38
CLK
O
/O
S
C1
39
CLK
I/O
S
C2
40
41
ECCP1
33
RB5
43
RB4
44
56
VDD
57
RD
7
49
RD
6
50
RD
4
52
RX
1
32
TX1
31
RA
3
21
RA
1
23
RA
O
24
RF1
17
RF2
16
RF3
15
RF4
14
RF5
13
RF6
12
RA4
28
VSS
VSS
VSS
VSS
RX
2
5
INT3
45
PGD
37
PGC
42
RD
3
53
IC3
PIC 18F66J10
DGND
DGND
DGND
PIC 18F66J10
1
2
3
4
5
CN13
5P(2.0)
TX
RX
Q7
2SC2406
Q8
2SC2406
Q9
2SC2406
+3.3V
C50
10U10
DGND
R48
22K
R1
9
10K
LED+5V
R85
10K
DGND
Q10
2SC2458
Q18
A950
R8
22K
R9
22K
112
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
EXTA12
EXTA13
EXTA14
EXTA15
EXTA16
EXTA17
EXTA13
EXTA14
EXTA15
EXTA16
EXTA17
EXTA19
EM_CS2_N
EM_A0
EM_A1
EM_A2
EM_A3
EM_A4
EM_A5
EM_A6
EM_A7
EM_A8
EM_A1
EM_A2
EM_A3
EM_A4
EM_A5
EM_A6
EM_A7
EM_A8
RESET_N_DSP
EXTA14
EXTA13
EXTA12
EM_A11
EM_A10
EM_A9
EM_A8
EM_A7
EXTA18
EXTA13
EXTA12
EM_A11
EM_A10
EM_A9
EM_A8
EM_A7
EXTA18
EXTA17
EXTA16
EM_A6
EM_A5
EM_A4
EM_A3
EM_A2
EM_A1
EM_A0
EXTA16
EM_A6
EM_A5
EM_A4
EM_A3
EM_A2
EM_A1
EM_A0
EM_BA1
EM_WE_N
RESET_N_DSP
RESET_N_DSP
EM_OE_N
EM_CS2_N
EXTA15
EM_D0
EM_D1
EM_D2
EM_D2
EM_D3
EM_D4
EM_D4
EM_D5
EM_D6
EM_D6
EM_D7
EM_WE_N
EM_CAS_N
EM_RAS_N
EM_CAS_N
EM_RAS_N
EM_BA0
EM_BA1
EM_A10
EM_A0
EM_A1
EM_A2
EM_A3
EM_BA1
EM_A10
EM_A0
EM_A1
EM_A2
EM_A3
EM_A4
EM_A5
EM_A6
EM_A7
EM_A8
EM_A9
EM_A11
EM_CKE
EM_CLK
EM_WE_DQM1_N
EM_D8
EM_D9
EM_D10
EM_D11
EM_D12
EM_D13
EM_D14
EM_D15
EM_WE_DQM0_N
EM_CS0_N
EM_D6
EM_D15
EM_D5
AHCLKOUT
EM_D4
EM_RAS_N
EM_D11
EM_D13
EM_D6
AHCLKR0/AHCLKR1
EM_D3
RESET_N_DSP
EM_D2
SPI0_SCS/I2C1_SCL
EM_D5
EM_WE_DQM0_N
ACLKX0
EM_OE_N
EM_D0
SPI0_SIMO
EM_CLK
AFSX1
SPI0_SOMI/I2C0_SDA
EM_WE_N
AFSX0
AXR0[7]
AXR0[5]
AXR0[4]
AXR0[1]
EM_A8
AXR0[0]
EM_BA0
EM_D8
EM_D7
EM_D10
EM_D4
EM_D1
EM_BA1
EM_CS2_N
EM_CKE
EM_D12
EM_D14
EM_A10
EM_D7
EM_D1
EM_CAS_N
CLKIN
EM_A6
AFSR0
ACLKR0
AXR0[15]/AXR2[0]
AXR0[13]/AXR1[0]
AXR0[12]/AXR1[1]
ACLKX1
AXR0[11]/AXR1[2]
EM_A4
EM_A9
EM_CS0_N
EM_D9
AXR0[8]/AXR1[5]/SPI1_SOMI
AXR0[6]
AXR0[3]
AXR0[2]
EM_A2
AXR0[14]/AXR2[1]
AXR0[9]/AXR1[4]/SPI1_SIMO
AXR0[10]/AXR1[3]
EM_D2
EM_WE_DQM1_N
EM_D3
EM_D[0..7]
EM_D0
RESET_N
SPI0_SCS/I2C1_SCL
SPI0_CLK/I2C0_SCL
SPI0_SIMO
SPI0_SOMI/I2C0_SDA
SPI0_SCS/I2C1_SCL
SPI0_CLK/I2C0_SCL
SPI0_SIMO
SPI0_SOMI/I2C0_SDA
CLKIN
AXR0[4]
AXR0[5]
AXR0[6]
AXR0[7]
AXR0[5]
AXR0[6]
AXR0[7]
AFSR0
ACLKR0
ACLKR0
AXR0[8]/AXR1[5]/SPI1_SOMI
AXR0[9]/AXR1[4]/SPI1_SIMO
AXR0[9]/AXR1[4]/SPI1_SIMO
AFSX1
ACLKX1
ACLKX1
AXR0[13]/AXR1[0]
AXR0[12]/AXR1[1]
AXR0[12]/AXR1[1]
AFSX0
ACLKX0
AXR0[0]
AXR0[1]
ACLKX0
AXR0[0]
AXR0[1]
AMUTE1
AHCLKR0/AHCLKR1
AXR0[15]/AXR2[0]
AXR0[3]
AXR0[2]
AHCLKOUT
AXR0[10]/AXR1[3]
AXR0[11]/AXR1[2]
AXR0[14]/AXR2[1]
EXTA19
SPI0_ENA/I2C1_SDA
EM_A[0..11]
EM_A7
EM_A1
EM_A3
EM_A5
EM_A11
EM_A0
SPI0_ENA/I2C1_SDA
SPI0_CLK/I2C0_SCL
EXTAEN
EXTA18
RESET_N_DSP
EXTAEN
AMUTE1
AMUTE1
DSP_TMS
DSP_TRST_N
DSP_TDO
EMU[0]_N
DSP_TRST_N
DSP_TMS
DSP_TDI
DSP_TDI
DSP_TDO
EMU[0]_N
EMU[1]_N
DSP_TCK
DSP_TDO
EMU[0]_N
EMU[1]_N
DSP_TCK
DSP_TCK
EM_BA0
EMU[1]_N
DSP_1.2V
DSP_3.3V
DSP_3.3V
DSP_3.3V
VDD_3.3V
DSP_3.3V
DSP_1.2V
DSP_3.3V
DSP_3.3V
VDD_3.3V
DSP_3.3V
DSP_3.3V
DSP_3.3V
DSP_3.3V
DSP_1.2V
C44
0.1UF
J1
2X16P(PH2.54)PIN(180)
1
3
5
3
5
11
7
9
9
13
15
17
19
21
23
15
17
19
21
23
2
4
6
8
4
6
8
10
12
14
16
18
20
22
24
12
14
16
18
20
22
24
25
27
27
26
28
28
29
30
31
32
1
3
5
3
5
11
7
9
9
13
15
17
19
21
23
15
17
19
21
23
2
4
6
8
10
12
14
16
18
20
22
24
4
6
8
10
12
14
16
18
20
22
24
25
27
27
26
28
28
29
30
31
32
C28
0.1UF
C45
0.1UF
C29
0.1UF
C46
0.1UF
C30
0.1UF
C27
0.1UF
R22
33
C38
0.1UF
C6
0.1UF
C47
0.1UF
R23
33
C36
0.1UF
C35
0.1UF
C7
0.1UF
C48
0.1UF
C37
0.1UF
C8
0.1UF
C9
0.1UF
TMS320DA708
U2
S-PQFP-G144
56
11
9
10
39
40
43
44
47
48
51
52
58
59
62
63
38
42
46
50
57
61
41
45
49
53
60
64
37
55
54
35
36
36
32
31
34
33
23
24
24
28
27
1
3
2
5
26
4
25
30
29
17
20
14
13
16
19
8
12
15
18
7
6
22
21
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
126
127
EM_D[14]
AFSX1
ACLKR1
DVDD
DVDD
EM_WE_DQM[0]
VSS
EM_D[6]
CVDD
VSS
EM_D[3]
EM_D[1]
EM_D[0]
EM_D[13]
EM_D[12]
VSS
EM_D[10]
EM_WE
DVDD
EM_D[4]
DVDD
CVDD
EM_D[11]
EM_[7]
EM_D[5]
EM_D[2]
CVDD
DVDD
EM_D[9]
EM_CAS
EM_D[15]
VSS
TCK
VSS
VSS
EMU[0]
DVDD
EMU[1]
CVDD
OSCIN
OSCOUT
OSCOUT
TDI
PLLHV
VSS
AMUTE0
AHCLKX0/AHCLKX2
AHCLKX1
VSS
AMUTE1
OSCVDD
VSS
TDO
CLKIN
CVDD
RESET
VSS
CVDD
TMS
CVDD
AFSR1
VSS
VSS
ACLKX1
VSS
OSCVSS
TRST
CVDD
EM_D[8]
EM_WE_DQM[1]
DVDD
VSS
EM_CLK
EM_CKE
VSS
DVDD
EM_A[11]
EM_A[9]
EM_A[8]
CVDD
VSS
EM_A[7]
EM_A[6]
DVDD
VSS
EM_A[5]
EM_A[4]
CVDD
EM_A[3]
VSS
EM_A[2]
EM_A[1]
CVDD
EM_A[0]
DVDD
EM_A[10]
EM_BA[1]
VSS
EM_BA[0]
EM_CS[0]
EM_RAS
VSS
EM_CS[2]
CVDD
EM_RW
DVDD
EM_OE
SPI0_ENA/I2C1_SDA
VSS
SPI0_SCS/I2C1_SCL
SPI0_CLK/I2C0_SCL
VSS
SPI0_SIMO
SPI0_SOMI/I2C0_SDA
DVDD
AXR0[0]
VSS
AXR0[1]
AXR0[2]
AXR0[3]
VSS
AXR0[4]
AXR0[5]/SPI1_SCS
AXR0[6]/SPI1_ENA
AXR0[7]/SPI1_CLK
CVDD
VSS
DVDD
CVDD
VSS
AXR0[10]/AXR1[3]
AXR0[11]/AXR1[2]
CVDD
VSS
AXR0[12]/AXR1[1]
AXR0[13]/AXR1[0]
DVDD
AXR0[14]/AXR2[1]
AXR0[15]/AXR2[0]
ACLKR0
VSS
AFSR0
ALCKX0
AHCLKR0/AHCLKR1
AFSX0
AXR0[8]/AXR1[5]/SPI1_SOMI
AXR0[9]/AXR1[4]/SPI1_SIMO
C19
0.1UF
C31
0.1UF
R37
33
R24
3.3K
U1
SN7
4
L
VC8
2
3
APW
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
11
13
14
12
10
15
16
21
18
19
24
20
17
22
23
OE1
1D
2D
3D
4D
5D
6D
7D
8D
1D
2D
3D
4D
5D
6D
7D
8D
CLR
CLK
CLKEN
GND
9D
9Q
8Q
3Q
6Q
5Q
VCC
4Q
7Q
2Q
1Q
R25
3.3K
C1
10/6.3
U4
S
29A
L
016D
70T
F
I02
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
11
13
14
14
12
10
15
16
17
18
19
20
21
22
23
24
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
A15
A14
A13
A12
A11
A10
A9
A8
A19
A14
A13
A12
A11
A10
A9
A8
A19
WE#
NC
NC
NC
RESET#
NC
RY/BY#
A18
A17
A7
A6
A5
A4
A3
A2
A1
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE#
VSS
OE#
DQ0
DQ8
DQ1
DQ9
DQ2
DQ10
DQ3
DQ11
VDD
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15/A-1
VSS
BYTE#
A16
R38
1K
C2
0.1UF
R2
33
R3
33
R4
3
3
C41
0.1UF
C14
100/6.3
R1
2.2K
R5
33
C39
0.1UF
C40
0.1UF
R36
33
C24
0.1UF
C20
0.1UF
C22
0.1UF
U3
HY
57V
64162OE
T
P
-7
3
2
4
32
5
7
9
8
10
38
11
13
35
27
29
19
18
17
24
25
26
25
26
1
44
14
22
21
41
49
12
31
33
34
36
37
39
40
42
45
47
48
50
51
53
54
6
28
30
20
15
43
46
52
16
23
VCCQ
DQ0
DQ1
A7
DQ2
DQ3
VCCQ
DQ4
DQ5
CLK
DQ6
DQ7
A11
VCC
A4
CS
RAS
CAS
A1
A2
A3
A2
A3
VCC
DQ9
VCC
A10/AP
BA1/A12
VSS
VCCQ
VSSQ
A6
A8
A9
NC1
CKE
DQMH
NC2
DQ8
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
VSS
VSSQ
VSS
A5
BA0/A13
DQML
VCCQ
VSSQ
VSSQ
WE
A0
C23
0.1UF
R34
33
R6
33
R40
4.7K
C33
0.1UF
C21
0.1UF
R41
1K
R7
33
R33
33
R39
4.7K
C5
0.1UF
R8
3
3
C34
0.1UF
C3
0.1UF
C13
0.1UF
C4
0.1UF
C10
22/6.3
R9
33
R10
33
R28
3.3K
C18
100/6.3
R29
33
R26
3.3K
R11
33
R27
3.3K
R12
33
R32
33
R31
33
R13
3
3
L1
FB
R14
33
J2
2X16P(PH2.54)PIN(180)
1
3
5
3
5
11
7
9
9
13
15
17
19
21
23
15
17
19
21
23
2
4
6
8
4
6
8
10
12
14
16
18
20
22
24
12
14
16
18
20
22
24
25
27
27
26
28
28
29
30
31
32
1
3
5
3
5
11
7
9
9
13
15
17
19
21
23
15
17
19
21
23
2
4
6
8
10
12
14
16
18
20
22
24
4
6
8
10
12
14
16
18
20
22
24
25
27
27
26
28
28
29
30
31
32
C25
0.1UF
C26
0.1UF
R35
33
L3
FB
R15
3
3
R16
33
R17
33
R18
33
R44
3.3K
R19
3
3
R20
33
C17
0.1UF
C12
0.1UF
R21
33
C11
47/6.3
C15
100/6.3
U6
DS1818
1
2
3
RST
VCC
GND
U5
FAN1112
1
2
4
3
GND
Vout
Vout
Vin
C16
0.1UF
U7
NC7WZ07
1
5
2
4
3
6
A1
VCCGND
Y2
A2
Y1
C42
0.1UF
J3
2X7P(PH2.54)PIN(180)
1
5
2
4
3
6
7
8
9
10
11
12
13
14
R30
33
C43
0.1UF
113
1
2
3
CN15
3P(2.0)
L3
10uH
L2
10uH
L1
10uH
1
2
3
4
IC5
LTV817A
R24
47K
R22
47
R23
47
R28
270
R25
75
R26
10
R27
3K9
3K9
C31
100U10V
C30
104
C34
104
C33
104
104
C32
47U10V
TO MCU BOARD
1
2
3
JK1
CKX3.5-12A 3.5mm
1
2
3
JK2
CKX3.5-12A 3.5mm
IR IN/OUT BOARD
REMOTE
DGND
REMOTE
MCU+5V
Q5
A1015
1
2
3
4
5
CN12
5P(2.0)
C49
104
DCD
1
RXD
2
TXD
3
DTR
4
GND
5
DSR
6
RTS
7
CTS
8
RI
9
10
11
JK3
DB-09
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2out
7
R2in
8
R2out
9
T2in
10
T1in
11
R1out
12
R1in
13
T1out
14
GND
15
VCC
16
IC8
MAX232CDR
C4
104
C48
104
C35
104
C15
104
C8
104
+5v
+5v
RX
GND
TX
TO Preamp
RX
TX
MCU1
MCU2
1
3
5
2
4
6
K16
SK-22H03G6-RS
R86
22K
R88
22K
R89
22K
R87
10K
10K
IR OUT
IR IN
D5
1N4148
D6
1N4148
Q17
A1015
A1015
114
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