ViewSonic VG170mVLCDS23724-3W Service Manual page 22

9.BLOCK DIAGRAM
COMPUTER
CN3
GRAPHIC
(DB15)
DDC
EPROM
24C21A
(U12)
CN4
JP7
SW BOARD
DPWBN5499T8---A
ViewSonic Corporation
INTERFACE BOARD(DPWBN5493T8----)
JP2
FROM
A/D ADAPTOR
CON1
C
O
INVERTER
N
RUNTP5469T8----
CON1
3
SCALER
GM2121
(U2)
FLASH
(U5)
SWITCH MODE
POWER SUPPLY
C
O
N
2
Confidential - Do Not Copy
19
CN1 30 PIN
LVDS CABEL
AUDIO
U10
JP3 TO
INVERTER
J1
12V
2.5V
5V Audio in
SPAKER 2W*2
17" LCD
PANEL
JP4
C
0
N
1
VG170m