Read Harman Kardon HD 980 (serv.man2) Service Manual online
5
5
4
4
3
3
2
2
1
1
E
E
D
D
C
C
B
B
A
A
-26V
SPI pull-up resistors
assembled on front
board
assembled on front
board
5563C
1.3
HD980 main board
Harman Kardon
A3
5
9
Friday, September 19, 2008
Title
Size
Document Number
Rev
Date:
Sheet
of
drawn by
ABC PCB S鄏l
Ch. du Saux 17
CH-1131 Tolochenaz
-29V
DATA/SDA
CLOCK/SCL
AC1
AC2
VFD_STB
IR
IR_IN
REMOTE_IR
SCK
CS_75711
MOSI
+5V_VFD
+3.3V
D5V
D5V
D5
LL4148
1
2
D8
LL4148
1
2
R82
100K
C80
10nF
R97
390R
D11
LL4148
1
2
G3
3EN1[BA]
3EN2[AB]
1
2
U14
SN74HCT245PWR
19
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
10
20
R92
10K
R89
15K
+
CE29
47uF/50V
1
2
R95
100R
+
CE26
47uF/50V
1
2
R86
10K
R91
15K
+
CE23
47uF/50V
1
2
+
CE24
47uF/50V
1
2
R93
100R
+
CE31
47uF/50V
1
2
R90
15K
R80
0R
1
3
5
7
9
11
13
14
12
10
8
6
4
2
CN6
CON14_1.25MM_DIP_2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D13
LL4148
1
2
+
CE25
47uF/50V
1
2
D12
LL4148
1
2
+
CE28
47uF/50V
1
2
D7
LL4148
1
2
R94
100R
DZ1
ZENER 6.2V 0.4W
1
2
R88
2.2K
+
CE33
47uF/50V
1
2
+
CE32
47uF/50V
1
2
R85
0R
C81
100nF
D10
LL4148
1
2
+
CE51
100uF/10V
1
2
R81
100R
+
CE27
47uF/50V
1
2
D6
LL4148
1
2
U13
LM9022
1
2
6
3
4
7
5
8
SN
SYS
VDD
+IN
-IN
GND
VO1
VO2
R96
240R
C79
100nF
+
CE30
47uF/50V
1
2
R84
100R
100R
D9
LL4148
1
2
R87
10K
C78
1uF
R83
10K
harman/kardon
HD 980/230 Service Manual
Page 40 of 46
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