DOWNLOAD Harman Kardon HK 990 Service Manual ↓ Size: 7.9 MB | Pages: 127 in PDF or view online for FREE

Model
HK 990
Pages
127
Size
7.9 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hk-990.pdf
Date
PREV: Harman Kardon HK 980 (serv.man5) Service Manual

Harman Kardon HK 990 Service Manual ▷ View online

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GPO8
GPO4
SPDIF4+
SPDIF3+
SPDIF4-
SPDIF3-
GPO7
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPO7
GPO8
GPO3
GPO2
GPO5
R58
47R
R20
75R
C23
100nF
NC
41
SDIN_A
39
SCLK_A
37
LRCLK_A
38
VDD_
IO
42
AGND
10
DGND
16
V
D
D
_18
17
TX-
31
TX+
32
RESET
24
GPO1
26
GPO2
27
GPO3
28
MUTE
14
RDY
15
SDIN_B
46
LRCLK_B
47
SCLK_B
48
SDOUT_A
40
SDOUT_B
45
SYNC
36
BLS
35
AES_OUT
34
RX1+
1
RX1-
2
RX2+
3
RX2-
4
RX3+
5
RX3-
6
RX4+
7
RX4-
8
LOCK
11
RXCKO
12
RXCKI
13
CPM
18
CS/A0
19
CCLK/SCL
20
CDIN/A1
21
CDOUT/SDA
22
INT
23
GPO4
29
MCLK
25
DGND
30
DGND
43
BGND
44
VDD_
IN
9
V
D
D
_33
33
U9
SRC4392IPFBT
C51
100nF
R1
47R
R23
47R
L2
22uH
R19
2K7
C6
100nF
1A
2
1Y0
4
1B
3
1Y1
5
1Y2
6
1G
1
1Y3
7
VCC
16
GND
8
U10A
74LCX139TTR
R56
47R
C21
100nF
A2
12
O2
11
OE2
13
U5C
74LCX125MTC
C44
100nF
J2B
AV2-8.4-14/EC
R2
47R
L1
22uH
C38
100nF
R59
47R
C19
100nF
C24
100nF
C39
100nF
R34
10R
C33
100nF
A1
5
O1
6
OE1
4
U5B
74LCX125MTC
R55
47R
R21
2K7
C17
DNE
C3
100nF
R22
75R
C18
100nF
C37
100nF
A0
2
O0
3
OE0
1
14
7
U5A
74LCX125MTC
R57
47R
C32
100nF
6
1
4
3
T2
HR610675(Hanrun)
A0
2
O0
3
OE0
1
14
7
U4A
74LCX125MTC
6
1
4
3
T1
HR610675(Hanrun)
R36
47R
C22
100nF
1A
14
2Y0
12
1B
13
2Y1
11
2Y2
10
1G
15
2Y3
9
U10B
74LCX139TTR
A3
9
O3
8
OE3
10
U5D
74LCX125MTC
C20
DNE
J2A
AV2-8.4-14/EC
R26
47R
+3.3V
+1.8V
+3.3V
+1.8V
+3.3V
+3.3V
+5V
+5V
+3.3V
+3.3V
SRC_INT#
CLK_24_MHZ_4
RST_SRC#
I2C_SCL
SRC_SDATA
SRC_LOCK#
SRC_LRCLK
SRC_BITCLK
ADC_LRCLK
ADC_BITCLK
I2C_SDA
ADC_SDATA
SRC_AESOUT
SRC_INT# is an open drain /active LOW output
SRC4392 is MASTERon both PORTA andPORTB
C5
100nF
A3
9
O3
8
OE3
10
U4D
74LCX125MTC
A2
12
O2
11
OE2
13
U4C
74LCX125MTC
1
2
3
U1
JSR1162-002
C4
47uF/25V
C7
47uF/25V
1
2
3
U2
JSR1162-002
COAX1 in
COAX2 in
OPT2 in
OPT1 in
C31
47uF/25V
C46
100nF
OUT
2
IN
3
GND
1
U8
AMS1117-1.8
6
1
4
3
T4
HR610675(Hanrun)
R25
2K7
R14
0R
C36
100nF
R24
2K7
6
1
4
3
T3
HR610675(Hanrun)
R29
300R
R13
DNE
10
9
+
+
+
+
1
4
2
6
5
3
7
8
GND
J4
RJ45 10P8C
R28
150R
R35
100R
CLK_24_MHZ_5
HRS-Link
C40
100nF
FB5
FB0805
C111
47uF/25V
FB9
FB0805
FB10
FB0805
FB8
FB0805
C112
100nF
C114
100nF
SUB Trig_1  OUT
SUB Trig_2  OUT
A
A
3
1
2
Q4
BSS123
t
PTC1
FSMD010-1206
C113
100nF
R46
47K
D1
LL4148
Q3
SS8550
R60
1K
R61
10K
R71
10K
+5V
+3.3V
1
2
3
J7
CKX-3.5-12A
1
2
3
J3
CKX-3.5-12A
R78
10K
+3.3V
103
Subwoofer OUT L
Subwoofer OUT R
Subwoofer IN R
Subwoofer IN L
R15
3K
C49
100nF
C42
100nF
R16
47K
R
42
24K
C11
330pF
R
50
24K
R3
24K
R
45
24K
R
41
24K
R33
3K
C59
100nF
R
44
47K
SO
10
S1
9
1Y0
12
1Y1
14
1Y2
15
1Y3
11
2Y0
1
2Y1
5
2Y2
2
2Y3
4
1Z
13
2Z
3
E
6
VC
C
16
GND
8
VEE
7
U6
74HC4052D
R17
47K
-
+
6
5
7
U3B
NJM2068M
R
49
47K
R18
3K
R
40
47K
C56
100nF
R
51
24K
C26
2A332J
C29
100nF
R
53
47K
DVDD
8
AVDD
15
AVDDL
20
AVDDR
9
DGND
7
AGND
14
AGNDL
19
AGNDR
10
VoutR+
12
VoutR-
13
VoutL+
17
VoutL-
16
VmidR
11
VmidL
18
RST
22
LRCLK
1
BITCLK
3
SDATA
2
MCLK
5
ZERO
21
MODE8X
4
MUTE
25
DIFFHW
6
CSBIWO
23
MODE
24
MISO/DM0
26
SCK/DM1
27
CS/I2S
28
U12
XWM8740EDS
C10
330pF
R11
470R
R10
470R
SO
10
S1
9
1Y0
12
1Y1
14
1Y2
15
1Y3
11
2Y0
1
2Y1
5
2Y2
2
2Y3
4
1Z
13
2Z
3
E
6
VC
C
16
GND
8
VEE
7
U7
74HC4052D
C15
2A332J
R
43
47K
R4
24K
R31
47K
R
38
24K
R
47
24K
R
52
47K
C14
2A332J
R30
3K
C57
100nF
R
54
24K
R
39
47K
C43
100nF
R32
47K
C25
2A332J
R
48
47K
-
+
2
3
4
8
1
U3A
NJM2068M
C28
100nF
+5VA
-15VA
+15VA
+3.3V
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
SDO
SCK
CS_WM8740#
CLK_24_MHZ_4
RST_SUB#
WM_BITCLK
WM_LRCLK
WM_SDATA
SUB_MUTE_OUT
SUB_MUTE_OUT
MUTE_LISTEN#
SUB_SEL
2
G1
1
G3
J1A
AV4-8.4-13/EC
C2
100nF
G = 0.25 by software
G = 4
G = 4
C13
47uF/25V
C27
47uF/25V
C30
47uF/25V
C16
47uF/25V
C9
47uF/25V
C12
47uF/25V
C48
47uF/25V
C50
47uF/25V
SUB in
SUB out
C58
47uF/25V
C
B
E
4.7K
Q2
DTC343TK
C
B
E
4.7K
Q1
DTC343TK
4
G2
3
J1B
AV4-8.4-13/EC
C41
100nF
C64
47uF/16V
R12
100R
C107
47uF/16V
R27
100R
FB2
FB0805
C108
47uF/25V
FB6
FB0805
FB7
FB0805
R37
10R
C119
47uF/25V
C120
47uF/25V
104
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
CN12
5P2.5
1
2
3
4
1
2
3
4
1
2
3
4
CN13
4P(2.0)
HP DETECT
HP  L
GND
HP  R
HEADPHONE_MICRO#
+15V
-15V
MIC OUT
AGND
6
5
7
8
6
5
7
8
6
5
7
8
IC5B
NJM2068
R26
1K
R25
1K
R30
100R
R29
100R
R24
10K
R23
10K
R28
100k
C36
104
C35
104
C31
47P
C32
150P
C40
10u16
C41
10u16
2
3
1
4
2
3
1
4
2
3
1
4
IC5A
NJM2068
C38
10u16
B
A
5
6
1
2
4
3
B
A
5
6
1
2
4
3
B
A
5
6
1
2
4
3
RELAY1
JRC-27F/012-M(555)
R22
200
D4
IN4148
Q2
C2120
R19
47K
R18
10K
GND
R15
10R
Phones board
1
2
4
5
K
3
7
8
K
CK1
CK-6.35-02
R IN
L IN
R10
1K
R8
1K
R14
1K
R13
1K
C2
104
+15V
-15V
+15V
-15V
C5
104
R1
10R
R9
1K
R7
1K
R11
1K
R12
1K
C1
104
+15V
-15V
C3
104
R2
10R
17
16
19
18
20
IC4B
TPA6120A2
R31
27K
+15V
TO Pamp PCB
TO Pamp PCB
4
5
2
21
3
1
IC4A
TPA6120A2
C9
100U25
C10
100U25
+15V
-15V
+15V
C29
331P
C30
331P
R17
47K
R20
47K
R4
10K
R32
2.2K
R3
1.65K
C4
473
C42
104
C7
470P
2.12V
R5
OPEN
105
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
0V
230V
45V
15V
15V
45V
di
odes
m
ount
ed
on
heat
si
nk
100K
+/
-
16VD
C
 r
a
ils
cur
rent
:
1.
0.
2m
A f
o
r
TL061
2.
4m
A f
o
r
O
P
A
2134
3.
4m
A f
or
 input
st
age
60VAC
45VAC
60VAC
45VAC
FAU
LT#
SPEAKER
 B
SPEAKER A
OUT
P
U
T
IN
P
U
T
MUT
E
#
SENSE-
SENSE
+
-16V
-80V
+80
V
+16
V
+60
V
-60V
+60
V
+60
V
-16V
+16
V
+60
V
EGND
R62 10K
RL3A
HF-
115F-
048-
1ZS3B
3
2
4
R9
4
10K
R2
4
2K2
1W
D2
4
D
L4148
C3
6
100nF
R2
6
0.
22R
(R
F
)
2W
J1 7P *
 2m
m
1 2 3 4 5 6 7
+
C1
1
1000uF/
100V
R1
1
5R
5W
+
R
L3C
H
F
-115F-
048-
1ZS3B
1
10
D1 M
U
R
2020
R7
9
10K
C1
5
10nF/
250V
C9 47nF/
100V
JP2 Fast
on
6.
3
1
2
1
2
+
C1
2
6800uF/
80V
R4 10K
3W
R8
2
10K
t
RT1 C
W
F51-
104J-
3951(
100K
)
R5
7
22K
C3
3
2.
2uF
R6
1
10K
D8 BAS2
0
R8
3
4K3
Q3
9
M
JD
243
3
4
1
R5
8
1K
R9
3
33K
C3
5
47nF
R9
2
33K
R1
0
5R
6
1W
D6 ZMM16ST(16V)
JP5 Fast
on
6.
3
1
2
1
2
R
L3B
H
F
-115F-
048-
1ZS3B
8
7
9
R9
5
22K
C5 10nF/
250V
Q4
3
2SA12
55
1
2
3
+
C7 1000uF/
100V
-
+
U4
TL061C
D
5
1
6
2
3
7
4
C3
1
47uF
+
R
L4C
H
F
-115F-
048-
1ZS3B
1
10
D4 M
U
R
2020
D2
7
BAS2
0
JP
3
Fast
on
6.
3
1
2
1
2
+
C4
6800uF/
80V
C8 10nF/
250V
C3
7
47uF
R1
5
22K
3W
R3
0
10K
Q4
2
2SC
3138
2
3
1
R1 2K2
1W
R6
0
10K
R
22
6K2
1/
2W
Q4
4
2SC
3138
2
3
1
C1
4
10nF/
250V
D2
3
D
L4148
Q2
0
M
JD
253
1
3
4
JP8 Fast
on
6.
3
1
2
1
2
R9
6
2K4
2W
-
+
D3 GBU8D
2
1
3
4
D1
9
D
L4148
Q4
0
2SC
3138
2
3
1
R8
0
390R
D2
6
ZMM16ST(16V)
R
L4A
H
F
-115F-
048-
1ZS3B
3
2
4
C2
8
330pF
C1
9
1uF
R7
7
68K
JP9
1
2
1
2
+
C3 6800uF/
80V
C3
4
1uF
R2
7
0.
22R
(R
F
)
2W
R3 22K
3W
R5
9
22K
R9
1
33K
Q4
1
2SC
3138
2
3
1
R1
2
1R
5W
D2
M
U
R
2020
R9
0
1K
JP7
1
2
1
2
JP4 Fast
on
6.
3
1
2
1
2
R2
9
22K
Q2
1
2SC
3138
2
3
1
L1 2.
2uH
D1
6
D
L4148
R7
8
10K
R
L4B
H
F
-115F-
048-
1ZS3B
8
7
9
C3
2
1uF
JP10
1
2
1
2
R8
9
10K
U2 P
C
817A
1
2
3
4
R2
5
10K
C1
0
47nF/
100V
D5
M
U
R
2020
R9
7
2K4
2W
R2
8
1K
JP1
1
2
1
2
JP6 Fast
on
6.
3
1
2
1
2
+
C1
3
6800uF/
80V
C2
0
1uF
R1
6
10K
3W
R8
1
390R
106
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