Read Harman Kardon HS 500 Service Manual online
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Function describe: supply power for VFD and VFD driver.
E
1820C
1.5
HT1/HT2 FRONT PANEL: Volume board 060405
A3
18
20
Friday, June 02, 2006
Title
Size
Document Number
Rev
Date:
Sheet
of
AC2
VOL-
FRONT_LED
AC1
VOL+
-29V
VOL-
VOL+
FRONT_LED
D+5V
AC1
AC2
-29V
D+5V
D+5V
D+5V
D+5V
DGND
D+5V
D+5V
DGND
C
B
E
3
2
1
Q605
8550
R624
180R
C601 820P
C602 820P
V614
G
C614
104
EC610
47uF/50V
DZ601
ZENER 6.2V 0.4W
R617
4.7K
R
642
10k
LED603
LED
V611
G
LED604
LED
R618
4.7K
EC603
47uF/16V
LED606
LED
R639 100K
D606
1N4148
R
640
10k
EC608
47uF/50V
R652
15k
EC605
47uF/50V
R638
100R
EC609
47uF/50V
R
643
10k
R622
180R
D608
1N4148
LED605
LED
V613
G
EC607
47uF/50V
D611
1N4148
EC606
47uF/50V
U605
LM9022
1
2
3
4
5
6
7
8
SHUTDOWN
BYPASS
+IN
-IN
VO1
VDD
GND
VO2
D614
1N4148
C624105
R641
100R
R625
180R
D610
1N4148
D612
1N4148
R623
180R
EC615
47uF/50V
C625
123
EC611
47uF/50V
C
B
E
3
2
1
Q604
8550
D607
1N4148
R
644
2.2k
D609
1N4148
R653
15k
V612
G
EC613
47uF/50V
EC612
47uF/50V
VOLUME KNOB
W601
1
2
3
4 5
GND
VOL-
VOL+
1 2
CN609
9pin 2.0mm
1
2
3
4
5
6
7
8
9
R654
15k
D613
1N4148
R616
10K N/A
EC614
47uF/50V
harman/kardon
service manual
Page 106 of 109
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