ViewSonic VG180 Support Question
ViewSonic VG180 Support Question
Find answers below for this question about ViewSonic VG180 - 18.1" LCD Monitor.Need a ViewSonic VG180 manual? We have 1 online manual for this item!
Question posted by CRYSTALHILL on May 16th, 2012
Monitor Will Not Stay On
WHEN YOU PLUG THE MONITOR IN, IT WILL NOT STAY ON. IT ACTUALLY BLANKS OUT. PLEASE ADVISE WHAT I CAN DO TO GET IT TO STAY ON?
Current Answers
Related ViewSonic VG180 Manual Pages
Service Manual - Page 2
... is a registered trademark of ViewSonic Corporation. Revision 1.0
Date 11/22/99
Revision History
Description Initial Release
Approval T.Sears
ViewSonic Corporation
Confidential - Do Not Copy
VG180-2 All rights reserved. No part of this publication may be reproduced,
transmitted, transcribed, storedin a retrievalsystem, or translatedinto any language or computerlanguage, in the contents...
Service Manual - Page 3
... Pixel Format
Color Depth Active Video Area Surface Treatment Backlight Unit
Color Active Matrix TFT LCD 18.1inch (45.97cm) 0.2805mm x 0.2805mm 1280 x 1024 pixels RGB Stripe Arrangement ...Vertical) 2) Input Voltage Level: 0.3V 3) Sync Polarity : Positive or Negative
3-2. Do Not Copy
VG180-2 POWER ON (NORMAL) ON/ON ACTIVE
STAND-BY
OFF/ON OFF
SUSPEND
ON/OFF OFF
Sleep Timer Function Active
. ViewSonic...
Service Manual - Page 4
...wires are marked I on the schematic diagram and the replacement parts list. Do Not Copy
VG180-2 If the surface of panel become dirty, please wipe it off with a softmaterial. ...guarantee.
PRECAUTION
WARNING FOR THE SAFETY-RELATED COMPONENT.
• There are some special components used in LCD monitor that are grounded through wrist band. Do not leave the module in high temperature and in areas...
Service Manual - Page 6
...A
15-pin D-Sub Signal Connector
1. stand-by, suspend, or power off mode -
Power Indicator This indicator lights up green when the monitor operates normally; Power ON/OFF Button This button is used to orange.
3. V ♦ Button Use these button to select (highlighting) ... this button to select from the On-Screen -Display (OSD).
in DPMS (Energy Saving) mode, - Do Not Copy
VG180-2
Service Manual - Page 7
... menu with the • and/or ♦ button. AUTO-CONFIGURE
Set up or down.
To exit the OSD, press O button once again.
Do Not Copy
VG180-2
Viewmatch Color
: To select color temperature or set color level; ViewSonic Corporation
: Confidential -
The cyan selection bar show default selection when first entering OSD main...
Service Manual - Page 8
Earl7Li c7h7
L7 0 7J
4.Checking Back Light Hours. 5.Turn off the power. 2. Do Not Copy
VG180-2 J
Back Light Hours (Service OSD menu) This function shows Back Light Hours. Press button 0 , and OSD will appear as the follows. Press button 0 and the ...
Service Manual - Page 9
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Service Manual - Page 10
... MODULE REMOVAL
1) Remove four Al Tapes (a).
2) Disconnect J1, J2, J3 and J4.
3) Disconnect FPC Cable (b), and Control
PCB Connector (c).
4) Remove the LCD Module. DISASSEMBLY
1. JI
J2
(a)
(a)
J3
4
(b)
(I)
(b)
(a)
ViewSonic Corporation
Confidential - Do Not Copy
VG180-2 FRONT CABINET REMOVAL 1) Remove two screws (a). 2) Release ten latches (b). 3) Remove the Front Cabinet.
Service Manual - Page 11
... 4) Remove six screws (c). 5) Remove the Rear Shield.
-z:
(a)
8. Do Not Copy
J6 Control PCB
VG180-2 MAIN FRAME REMOVAL 1) Remove four screws (a). 2) Remove screw (b). 3) Remove two fixers (c). 4) Divide...TOTAL ASS'Y REMOVAL 1) Disconnect J5 and J6. 2) Remove Inverter Ass'y and Control PCB from the LCD Module. Main Frame
(a)
V
Bottom (Lower) Backlight Ass'y
Main PCB Ass'y
;6:Si
Inverter PCB
1-...
Service Manual - Page 14
... (U502) outputs display data as follows:
1) The MICOM distinguishes polarity and frequency of LCD module.
The peripheral circuitry of BA7657F (U601) and TTL gates. BA7657F (U601) switch... V-Position, Clock, Clock Phase, ... iewSonic Corporation
- 13 Confidential - Do Not Copy
VG180-2 The controlled data of module and the +5V for power down pin is converted using ...
Service Manual - Page 15
...ViewSonic Corporation
-------- warming up for White Balance
when the monitor leaves the factory, but select each mode data saved. -
Adjustment for VG180 on the keyboard, then
If it is
(H-position, ... procedure and after
• Set Contrast data to 127 and Brightness data to Mode 18 and repeat above adjustment. 8) Select PRESET EXIT command and Enter. Enter. Alignment Adapter...
Service Manual - Page 16
YES
CHECK 5VST VOLTAGE
(5V)?
YES
CHECK +12V VOLTAGE
(12V)? Do Not Copy
VG180-2 YES
CHECK 3.3V DD VOLTAGE? YES
CHECK 3.3V VOLTAGE? rR kJ
YES
TROUBLE SOMEWHERE ELSE
ViewSonic Corporation
NO
TROUBLE IN
ADAPTOR or
INVERTER
NO
TROUBLE ...
Service Manual - Page 21
Do Not Copy
TROUBLE IN +5V LINE
TROUBLE IN U503, 501
TROUBLE IN U501
TROUBLE IN U502
TROUBLE IN U502
VG180-2 YES
CHECK
NO
U502 PIN 2 ? YES
CHECK
U502 PIN 13, 14, 15
NO
WAVEFORM?
YES
CHECK
U502 PIN 5, 10
NO
WAVEFORM? YES
CHECK
U502 PIN 12
NO
(5V) ? NO OSD
CHECK U502 PIN 4, 9
NO
(5V) ? YES
TROUBLE IN U501
ViewSonic Corporation
- 20 : Confidential -
Service Manual - Page 27
No Part No... : -
.. ,
Description
Q'ty
1
3091TKL007A CABINET ASS'Y
1
. . „ .. 6304TLT181D LCD MODULE, LGE TFT LCD LM181E-C2MN 18.1"
1
3
4814TKK064A INVERTER WIRE SHIELD
2
4
4951TKS034B METAL, MAIN FRAME
1
S , 3313TL8005A MAIN TOTAL ASS'Y
1
5-1 4950TKK049A PCB SHIELD (...
F
ViewSonic Corporation
- 26 Confidential - EXPLODED VIEW PARTS LIST
Ref. Do Not Copy
VG180-2
Service Manual - Page 33
ViewSonic VG180-2 *5 '... ZENER, UDZ S 5.15 TP ROHM-K SOD323 200MW 5.1V 5MA .PF DIODE, ZENER, UDZ S 5.18 TP ROHM-K SOD323 200MW 5.1V 5MA .PF DIODE, ZENER, UDZ S 5.1B TP ROHM-K 500323 200MW ... X 16 SDRAM 125MHZ
C, ETRON, EM636165T5-8 1MEGA X 16 SDRAM 125MHZ
C, MACRONIX, MX88L282FC 256PQFP BK SXGA LCD INTEGRATION CHIP C, MOTOROLA, LSC4335DWR2 (LMOSD) 16P SOIC TP OSD IC C, PHILIPS, 74F08D 14P,SOIC TP QUAD...
Service Manual - Page 34
... 6210TCE002A 6210TCE002A 6210TCE002A 6210TCE002A
DESCRIPTION / SPECIFICATION
DATE: 1999. 7. 20. Do Not Copy
VG180-2 REGULATOR 12V C, ROHM, BA033FP-E2 MOLD-3 TP REGULATOR C, SAMSUNG ELECTRONICS, KA78M05-R...CIRC), BEAD, ACB2012M-300-7 TDK, CHIP BEAD,LCD CORE (CIRC), BEAD, ACB2012M-300-T TDK, CHIP BEAD,LCD CORE (CIRC), BEAD, ACB2012M-300-T TDK, CHIP BEAD,LCD CORE (CIRC), BEAD, HH-1M3216-501 CERATEC ...
Service Manual - Page 38
...X501 X901
6170TMZ065A 6202TST00IA 6202TST001C
TRANSFORMER, SMPS, EPC13 10UH 10PIN LB880B SC/NY . Do Not Copy
VG180-2 ViewSonic VG180-2 'S 'AL LOG. DESCRIPTION / SPECIFICATION
DATE: 1999. 7. 20.
NO. Confidential - PART... 1870MM WALL 85964 GRAY
INVERTER 6633TZA004A
INVERTER ASSY, SAMSUNG LG1801 FOR 18.1" LCD MNT(LB880B)
ADAPTER 6634TBZ006E
ADAPTER, AC-DC, PSCV700101A SAMSUNG 100-...
Service Manual - Page 40
...output.
16 CLK/2 (SSTL)
OUT Pixel clock/2 out.
17 CLK (SSTL)
OUT Pixel clock out.
18 VDDQ
PWR Output driver supply.
19 VSSQ
PWR Output driver ground.
20 CLK- (PECL)
OUT Pixel ... drivers. External divider input to PLL'. Displays PLL or DPA lock or REF input. Do Not Copy
VG180-2 11
0
F! '
• wa hilly
ual utrower, upplyiCor.itr011erJOrNote o ompute
Pin Configutation
VDDD VSSD...
Service Manual - Page 44
... Di M O2 5 D2
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,.-e-itaiy nin
riirtuRat •
P-Channel MOSFET Si
'7%2.L.44:•"471.v.4i*L.' Do Not Copy
VG180-2 IiewSonic Corporation
: Confidential - SUSPEND POWER
TM Idie Mode is a tradormark of Maxin Integrated Products.
-43-
•
E.
...BST3 24 OL3 23 V+ 22 VL 21 FB5 20 PGND 19 DL5 18 BSTS 17 LX5 16 OHS 15 CS5
otebookcompute
Typical Application Diagram
5.5v_L...
Service Manual - Page 56
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