Harman Kardon HK 990/230 - Front Panel Controls and Indicators; LED Indicators and Volume Control

3
2
1
BA
RV1
R122ECA-D1-19.5F-24-W
C10 104
- +
LED2
R1.5(white)H5mm
- +
LED4
R1.5(white)H5mm
- +
LED3
R1.5(white)H5mm
- +
LED5
R1.5(white)H5mm
LED & VOL
R17 220R
R18 220R
1 2 3 4
CN3
4P(2.0)
DGND
B A
+5V
R63 220R
R64 220R
116