Read Harman Kardon HD 990 (serv.man7) Service Manual online
5
5
4
4
3
3
2
2
1
1
E
E
D
D
C
C
B
B
A
A
2.0V
OP-AMPS
VT7208 I/O
DSP & PERIPH.
DSP CORE
MOTOR CONTROL
MASTER CLOCK & DAC
LOCATION-PAD
for the board
for the board
VFD DRIVER
VT7208 RAM
VT7208 CORE
VT7208 CKT
PUH & ALPC BJT
■■■ NET "A+5V"--100mA;
■■■ NET "+5VSTBY"--100mA;
■■■ NET "A+14.5V"--100mA;
■■■ NET "A-14.5V"--100mA;
■■■ NET "D+5V"--1A;
■■■ NET "M+5V"--1A;
■■■ NET "D+3.3V"--200~300mA;
■■■ NET "+5VSTBY"--100mA;
■■■ NET "A+14.5V"--100mA;
■■■ NET "A-14.5V"--100mA;
■■■ NET "D+5V"--1A;
■■■ NET "M+5V"--1A;
■■■ NET "D+3.3V"--200~300mA;
■■■ NET "PVCC"--1A;
■■■ NET "+5V_VFD"--1A;
■■■ NET "A5V"--1A;
■■■ NET "+3.3V"--300mA;
■■■ NET "+3.3V"--300mA;
■■■ NET "+3.3V"--300mA;
■■■ NET "+3.3V"--300mA;
1%
1%
1%
1%
1%
1%
AD1955
1%
1%
1%
1%
NA
NA
NA
013_05_100 MAIN
1.5
HD990 main board
Harman Kardon
Custom
1
10
Tuesday, October 07, 2008
Title
Size
Document Number
Rev
Date:
Sheet
RST#
A+14.5V
+1.2V
DGND
+5V_VFD
D+3.3V
D5V
+3.3V
D+5V
D+3.3V
A+5V
+3.3V
3.3VA
PGND
AGND
+3.3V
VDD
A+5V
A-14.5V
A5V
M+5V
+5VSTBY
+3.3V
A+14.5V
+1.2V
+3.3V
VCC3
A-14.5V
+5V
M+5V
-12VA
D+5V
PVCC
+12VA
+5VA
+1.2V
D5V
-
+
U34
AD8663ARZ
3
2
6
7
4
+
CE47
470uF/35V low-ESR
1
2
C112
100nF
+
CE41
220uF/10V
1
2
C113
100nF
+
CE40
100uF/10V
1
2
M1
1
C66
100nF
C126
100pF
R222
4K7
CN5
CON13_2.0MM_DIP
10
9
8
7
6
5
4
3
2
1
11
13
12
Q40
BCP56-16
1
2
3
4
C121
100pF
L4
47uH
C125
100nF
+
CE57
100uF/10V
1
2
+
CE48
47uF/25V
1
2
R211
2K7
U30
AZ1117-ADJ
2
3
1
4
OUT
IN
ADJ
TAB
+
CE35
100uF/10V
1
2
D17
LED rouge
1
2
C123
100nF
R208
1K
C216
100nF
C117
100nF
+
CE34
100uF/10V
1
2
R224
470R
R223
10K
R217
10K
C124
100nF
C211
100nF
C67
100nF
VIA2
VIA_PAD4.0
1
2
3
4
5
6
7
8
9
M2
1
C115
100nF
-
+
U35
AD8663ARZ
3
2
6
7
4
C111
100nF
R214
1K
+
CE49
220uF/10V
1
2
D15
30BQ040
R227
3K
-
+
U33
AD8663ARZ
3
2
6
7
4
C114
100nF
C105
100nF
+
CE42
100uF/10V
1
2
R226
2K7
R219
470R
C107
100nF
C212
100nF
C71
100nF
FB9
100R
U43
AD1580
3
2
1
R220
470R
+
CE45
100uF/10V
1
2
+
CE51
470uF/35V low-ESR
1
2
+
CE39
100uF/10V
1
2
VIA3
VIA_PAD4.0
1
2
3
4
5
6
7
8
9
+
CE38
100uF/10V
1
2
FB8
100R
+
CE33
220uF/10V
1
2
R221
10K
U29
AZ1117H-3.3
2
3
1
4
OUT
IN
ADJ
TAB
U44
AD1580
3
2
1
C110
100nF
FB3
100R
C108
100nF
VIA1
VIA_PAD4.0
1
2
3
4
5
6
7
8
9
FB4
100R
D18
LED rouge
1
2
C213
100nF
D20
30BQ040
Q41
BCP56-16
1
2
3
4
M3
1
R213
2K7
R209
NA
R216
100R
C120
100nF
C106
100nF
R225
100R
D14
30BQ040
D16
30BQ040
C109
100nF
U22C
ADSP-BF532SBSTZ400
94
87
86
85
84
83
1
2
3
7
8
9
15
19
30
39
40
41
42
43
44
56
70
88
89
90
91
92
97
106
117
128
129
130
131
132
133
144
155
170
174
175
176
4
5
6
12
20
31
45
57
71
93
107
118
134
145
156
171
25
52
66
80
111
143
157
168
18
TCK
TDO
TDI
TMS
TRST
EMU
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VROUT
VROUT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDEXT
VDDINT
VDDINT
VDDINT
VDDINT
VDDINT
VDDINT
VDDINT
VDDINT
VDDRTC
L3
47uH
C104
100nF
C214
100nF
U32
AZ1117-ADJ
2
3
1
4
OUT
IN
ADJ
TAB
Q42
BCP53-16
1
2
3
4
VIA4
VIA_PAD4.0
1
2
3
4
5
6
7
8
9
C118
100nF
C122
100pF
R212
3K
R210
560R
560R
C103
100nF
CN6
CON7X2_2.54MM
1
3
5
7
9
11
13
2
4
6
8
10
12
14
+
CE36
100uF/10V
1
2
U42
AD1580
3
2
1
C215
100nF
FB5
100R
C65
100nF
+
CE37
100uF/10V
1
2
FB7
100R
C119
100nF
U31
AAT3522
3
2
1
RST
VCC
GND
+
CE50
47uF/25V
1
2
TP35
+
CE44
100uF/10V
1
2
+
CE43
220uF/10V
1
2
+
CE46
220uF/10V
1
2
R218
10K
C116
100nF
R215
100R
D19
LED rouge
1
2
FB6
100R
harman/kardon
HD 990/230 Service Manual
Page 39 of 46
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