Harman Kardon HK 980/230 - Display System Circuit Diagram

F1
1
F1
2
NP
3
NP
4
NX(1G)
5
NX(1G)
6
NX
7
NX(2G)
8
NX
9
NX(2G)
10
NX
11
NX(3G)
12
NX(3G)
13
NX
14
NX(4G)
15
NX
16
NX(4G)
17
TS B
18
NX(5G)
19
NX(5G)
20
TS A
21
NX(6G)
22
DA
23
NX(6G)
24
CP
25
NX(7G)
26
NX(7G)
27
/C S
28
NX(8G)
29
NX(8G)
30
OSC
31
NX(9G)
32
/R ST
33
NX(9G)
34
VDD
35
NX(10G)
36
NX(10G)
37
VH
38
NX(11G)
39
PGND
40
NX(11G)
41
LGN D
42
NX(12G)
43
NX(12G)
44
NP
45
NP
46
F2
47
F2
48
VFD1
12 -BD-01 IN K
F1 F2
+30V
GND
MCU+5V
L2
10 UH
VFD_DA
VFD_CLK
VFD_ST VFD_RES
VDD
16
D
2
VSS
8
Q5
14
OE
15
Q6
13
Q2
5
Q3
6
Q4
7
Q8
11
CS
10
CLK
3
Q7
12
Q1
4
STR
1
QS
9
IC1
TC40 94
C2
100U1 0V
C6
104
SW2
H5mm
SW3
H5mm
SW4
H5mm
SW5
H5mm
SW6
H5 mm
SW7
H5 mm
SW8
H5 mm
SW9
H5 mm
TO MCU BOAR
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
CN1
D100-DRA-20
L1
10UH
4094-DA 4094-CLK
KEY1
KEY2 VOL-A
VOL-B
IR
STANDBY POWER +12V GND
GND
C3
100U1 0V
C14
104
C1
10 0U10V
C5
104
+V
3
GND
2
OUT
1
IR1
KSM-803LM
R1
24K
TO VOL BOARD
POW VOL-A VOL-B GND
SW1
H5 mm
GR
++
_
LE D1
LED Wh ite&Yello w
KL-YL-03
1 2
CN2
2P(2 .0)
1 2 3
CN10
3P( 2.0)
TO LED BOARD
GND
R16
47
VOL-A VOL-B
POW
4094 -DA
4094 -CL K KEY1
KEY2 VOL-A VOL-B
IR
STANDBY F1
C27
10 4
E
R24
82 0
C31
104
R21
120
C33
10u/ 50V
C32
10 4
MCU+5V
F2
R23
10R1/8W
R25
10R1/8W
VFD_DA
VFD_CLK
VFD_ST
VFD_RES
C7
10 4
C13
10 0P
C12
150P
C11
150P
Q5
2SC21 20
C8
10 0U10V
R22
1K1/ 8W
C15
47U16 V
DW1
6A2
Q6
2SC 2458
DE L
DE L
R26
22 K1/8W
33
harman/kardon
HK 980/230 Service Manual
Page 34 of 50