Read Harman Kardon HS 2X0 (serv.man6) Service Manual online
5
5
4
4
3
3
2
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1
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D
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C
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B
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A
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AM
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White
AM
BER
White
Function describe: supply power for VFD and VFD driver.
8742C
1.3
HS2X0 FR0NT PANEL: VFD BOARD 090905
A3
18
21
Monday, March 29, 2010
Title
Size
Document Number
Rev
Date:
Sheet
of
A+5V
AC1
-29V
AC2
STANDBY
RB5
RB4
RB6
5VON
RA0
5VON
5VON
A+5V
DCGND
DCGND
R638
100R
V609 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
C
B
E
3
2
1
Q603
8550
D606 FR104
V607 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
V608 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
DZ601
ZENER 6.2V 0.4W
1
2
K602 Open/close
1
3
4
2
R614
200R
R615
510R
C
B
E
3
2
1
Q602
8050
R644
20K
V603 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
C624
123pf/50v
V601 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
V614
G
C634
104
LED602
1
2
3
V604
G
D602
1N4148
1
2
U605
NCP3063BPG
1
2
3
4
5
6
7
8
SWC
SWE
Tc
Gnd
Cmp
Vc
Ip
nc
EC614
47uF/50V
R648
510R
TR3
PQ32
1
2
6
5
8
10
7
9
R647
200R
+
CE607
47uF/50V
1
2
R643
150K 5%
D608
FR104
R642
510
R641
100R
C636
123p/50V
R640
0R15 1%
FB604
1 ohm
R639 100K
D603 1N4148
1
2
R609
4.7K
LED601
1
2
3
EC605
47uF/50V
R610
4.7K
V602 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
C630
104
C637
105/50V
FB605
1 ohm
V615
G
C638
105p/50V
R652
100R
R653
15k
C625
1uF/50V NA
+
CE615
100UF/16V
1
2
K601 Standby
1
3
4
2
V605
G
V610
G
V606 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
harman/kardon
HS 2X0/230 Service Manual
Page 71 of 73
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