Harman Kardon HS 200, Service Manual

Page: 69 / 76

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
AM
BER
BLUE
AM
BER
BLUE
Function describe: supply power for VFD and VFD driver.
3517C 1.5
HS200 FRONT PANEL: VFD BOARD 060628
A3
18 21 Thursday, January 04, 2007
Title
Size Document Number Rev
Date: Sheet of
5VON
A+5V
AC1
-29V
AC2
STANDBY
RB5
RB4
RA0
RB6
5VON
5VON
A+5V
A+5V
LED602
1
2
3
R615
510R
EC610
47uF/50V
FB604
50R
DZ601
ZENER 6.2V 0.4W
D603 1N4148
R
642
10k
D602 1N4148
FB605
50R
D606
1N4148
R639 100K
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
R
640
10k
EC608
47uF/50V
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
R652
15k
R638
100R
EC605
47uF/50V
R647
200R
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
EC609
47uF/50V
C
B E
3
2 1
Q602
8050
V610
G
R
643
10k
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
D608
1N4148
R610
4.7K
K602 Open/close
1
3 4
2
D611
1N4148
EC607
47uF/50V
V614
G
EC606
47uF/50V
U605 LM9022
1
2
3
4 5
6
7
8
SHUTDOWN
BYPASS
+IN
-IN VO1
VDD
GND
VO2
LED601
1
2
3
D614
1N4148
C624
105
V615
G
R641
100R
D612
1N4148
D610
1N4148
C
B E
3
2 1
Q603
8550
EC615
47uF/50V
EC611
47uF/50V
C625
123
K601 Standby
1
3 4
2
R648
510R
D607
1N4148
C634
104
D609
1N4148
R
644
2.2k
R653
15k
R609
4.7K
EC613
47uF/50V
V604
G
EC612
47uF/50V
V605
G
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
R654
15k
D613
1N4148
R614
200R
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
EC614
47uF/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