Philips DVP3880K/55 Service Manual page 29

6-2
1
Karaoke and USB board Circuit Diagram:
R210 R210
12V
150 150
A
P601 P601
KARAOKE INPUT KARAOKE INPUT
1
2
3
B
P600 P600
C
USB USB
VCC
1
USB_DN
2
USB_DP
3
SGND
4
MGND
5
MGND
6
L200 L200
MGND AGND
D 500Z 500Z
L201 L201
MGND AGND
500Z 500Z
L202 L202
MGND SGND
500Z 500Z
E
1
2
12VA
C201 C201
CE201 CE201
0.1u 0.1u
22uF 22uF
C205 C205
R205 R205
C210 C210
R201 R201
2
5.6K 5.6K 2.2uF 2.2uF
3
R200 R200 C203 C203
10K 10K
1000p 1000p
REF
R208 R208
MIC_OUT
1K 1K
VCC
R209 R209 SGND
USB_DN
680 680 USB_DP
2
3 4
R202 R202
12VA
22K 22K
R203 R203
47p 47p 22K 22K
180K 180K
U200A U200A
C211 C211
1
2.2uF 2.2uF
NJM4558 NJM4558
12VA
MIC
1
2
12V
3
4
5
6
7
8PIN/2.0mm 8PIN/2.0mm
XP601 XP601
3 4
6-2
5
REF
CE200 CE200
R211 R211
22uF 22uF
100K 100K
NJM4558 NJM4558
5
+ +
MIC_OUT
7
C208 C208
6
- -
100p 100p
U200B U200B
C204 C204
100p 100p
R207 R207 100K 100K
R206 R206
C206 C206 47p 47p
20K 20K
C209 C209
2.2uF 2.2uF
5
A
B
C
D
E