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A |
| B | C | D |
| E |
Main Board Circuit Diagram:KOK & USB I/F |
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1
M5V
F221 FUSE(500MA)
PBSS5320
Q221
2
01UKOKIFT-201
Karaoke input interface with MPEG IC,for ZORAN platforms.
C49 |
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AKIN1 | R477 | 100/NC | MIC | 1 |
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| 2 |
1uF/NC |
| +12VA |
| 3 |
R221 180
USB_CON | R222 | 180 |
VCC_USB
USB_DM
USB_DP
| C221 |
D9 | 0.1uF |
D10 | |
ESD0603 | ESD0603 |
1
2
3
4
XP7
USB CONNECTOR
2
3
C478 |
| C479 | XP476 | |
| 3PIN*2.0mm/NC | |||
0.1uF/NC |
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| 3300pF/NC |
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USB HOST Interface and Control Circuit.
Note:Q221 use PBSS5320(BJT teansistor) after Year 2009.
USB_DP
USB_DP 4
USB_DM
USB_DM 4
USB_CON
USB_CON 3
USB Interface
3
4
AKIN1
AKIN1 4
4
A
B
C
D
E
