9. Block Diagram
System block diagram
VX750 System BLOCK DIAGRAM
EEPROM
24LC16B
U5
CRYSTAL
14. 318MHz
X1
CRYSTAL
11. 0592MHz
X2
LDO
AI C1117CY
U10
PWM
CONTROLLER
AI C1563CS
U9
AUDI O AMP
TPA3002D2
U7
Headphone
AMP
LM4881MM
U8
ED
ID
(D
IG
IT
AL
)
AT
24L
C21
U2
LDO
AI C1117CY
U11
CO
NN
EC
TO
R_30P
CN
7
CONNECTOR_3P
CN13
CONNECTOR_2P
CN14
PHONE J ACK
CN12
PHONE J ACK
CN10
PHONE J ACK
CN11
MOSFET
SI 9410DY
Q11
PANEL
DC J ACK
CN15
Adapt or
AC- >DC
AC I N
DC12V
DSUB_15P
CN1
ANALOG I N
DVI _D_24P
CN2
DVI I N
I nver t er
CONNECTOR_6P
CN5
5V
12V
AUDI O
I N
AUDI O OUT
EARPHONE OUT
SCALER
MST8131A
U3
MI CEDI
D( ANALOG)
U6
RGB
LVDS
To ICs, PANEL
2.5V
3.3V
TO U3
TO U3
L_SPEAKER
R_SPEAKER
DDC
CONNECTOR_4P
CN6
KEY BOARD2
FUNCTI ON
CONNECTOR_8P
CN3
KEY BOARD1
POWER
PANEL
LAMPS
SCALER BOARD
53
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VX750
Summary of Contents for VX750 VLCDS27089-1W
Page 39: ...2 3 3 Read DDC data from Monitor 36 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 42: ...2 Display color abnormal 39 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 43: ...3 Monitor can not power on 40 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 44: ...4 Monitor white screen 41 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 45: ...5 Monitor black screen 42 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 46: ...6 Audio noise 43 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 47: ...7 Analog input always shows NO SIGNAL 44 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 48: ...8 Digital input always shows NO SIGNAL 45 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 67: ...11 PCB Layout Diagrams Main Board 64 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 68: ...65 ViewSonic Corporation Confidential Do Not Copy VX750 Main Board...
Page 69: ...66 ViewSonic Corporation Confidential Do Not Copy VX750 Main Board...
Page 70: ...Main Board 67 ViewSonic Corporation Confidential Do Not Copy VX750...
Page 71: ...68 ViewSonic Corporation Confidential Do Not Copy VX750 Main Board...
Page 72: ...69 ViewSonic Corporation Confidential Do Not Copy VX750 Control Board...