Harman Kardon BDS 280S - Page 34

A
A
B
B
C
C
D
D
1 1
2 2
3 3
4 4
TO MA BOARD
KLED_1
S1
SDA2
5700_INT
KLED_0
SCL2
KLED_1
KLED_0
5700_INT
SCL2
SDA2
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.3V
C601
0.1uF/16V/Y5V
C601
0.1uF/16V/Y5V
R621
NC/100
R621
NC/100
R617 0R617 0
R600
100
R600
100
C604
100pF/50V/NP0
C604
100pF/50V/NP0
C635
1000pF/50V/X7R
C635
1000pF/50V/X7R
R622
NC/100
R622
NC/100
C603
0.1uF/25V/Y5V
C603
0.1uF/25V/Y5V
U601
WT5700
U601
WT5700
SI[1]
3
SI[3]
4
SI[8]
5
SI[10]
6
SI[11]
7
VSS
8
OUT11
9
OUT10
10
OUT8
11
SDA
12
SCL
13
OUT3
14
VDD
1
SI[0]
2
OUT0
16
OUT1
15
C602
4.7uF/10V/Y5V
C602
4.7uF/10V/Y5V
C605
100pF/50V/NP0
C605
100pF/50V/NP0
Q601
PNP_3CG3906M
Q601
PNP_3CG3906M
PAD601PAD601
D601
LVSL10180Z020/
18V/
2pF
D601
LVSL10180Z020/
18V/
2pF
21
C606
100pF/50V/NP0
C606
100pF/50V/NP0
C636
1000pF/50V/X7R
C636
1000pF/50V/X7R
C630
NC/0.1uF/16V/Y5V
C630
NC/0.1uF/16V/Y5V
C637
1000pF/50V/X7R
C637
1000pF/50V/X7R
R601 100R601 100
R607 3.3KR607 3.3K
XP601
5PIN/1.0mm
XP601
5PIN/1.0mm
1
1
2
2
3
3
4
4
5
5
R604 NC/3.3KR604 NC/3.3K
D602
LED-W
HITE
D602
LED-W
HITE
D603
LED-W
HITE
D603
LED-W
HITE
R603 NC/3.3KR603 NC/3.3K
C631
47pF/50V/NP0
C631
47pF/50V/NP0
R608 3.3KR608 3.3K
R605 100R605 100
R602
100
R602
100
Q602
PNP_3CG3906M
Q602
PNP_3CG3906M
R616 0R616 0
C634
47pF/50V/NP0
C634
47pF/50V/NP0
7-8 7-8
VFD Control & Switch Board Circuit Diagram:
Harman Kardon
BDS 280 + 580 Service Manual
Page 45 of 87