Optoma PanoView PV632AT User Manual

PV632AT . &

MANUAL

PREFACE

This manual is prepared for the maintena nce service f or PV632AT 12.1” LCD Monitor.
Maintenance procedures described in this manual are intended to isolate faulty parts a nd replace them
in the field. It also aims to serve as a guide in procuring replacement parts for this product.

This manual is copyrighted and all rights are reserved. This product may not, in whole or in
part, be copied, photocopied, translated or reduced to any electronic or machine readable form
without prior written consent except for copies retained by the purcha ser f or backup purpose.

This manual includes system overview, major system asse mbly, components’ description, a nd
the “Troubleshooting” making explanations on how to detect errors. It also includes a flow chart for
checking or correcting faults.

No warranty or representation, either expressed or implied, is made with respect to this
documentation, its quality, performance, merchantability or fitness for particular purpose.

No event that the vendor will be liable for direct, indirect, special, incidental or
consequential damages arising out of the user or inability to use this product or documentation.

✍ NOTICE :

The information found in this manual is subject to change without prior notice. Any
subsequent changes made to the data herein will be incorporated in further edition.

PV632AT Service Manual
Copyright March, 2001
All Rights Reserved
Manual V ersion 1.0
Document #554-G04-02A
P/N : 36.55404.001

& . PV632A T

SERVICE

Table of Contents

1. Introduction 1-1

1-1 Product Highlight 1-2
1-2 T echnical Specification 1-3
1-3 Environmental Requirements 1-5

2. Mechanical Construction 2-1

2-1 Package Overview 2-2
2-2 Exploded Overview 2-4
2-3 Recommendaton Spare Parts List 2-7

3. Procedure of Disassembly 3-1

3-1 Disassemble Stand Cover and Front Cover 3-2
3-2 Disassemble Panel and Adapter Plates 3-3
3-3 Disassemble Stand 3-5
3-4 Disassemble Main, Inverter, Control, Connector and Touch Boards 3-6

4. The Function of Boards 4-1

4-1 Main Board 4-2
4-2 Touch Board 4-6
4-3 Connector Board 4-7
4-4 Control Board 4-8
4-5 Inverter Board 4-9

5. Troubleshooting 5-1

5-1 Equipment Needed 5-2
5-2 Main Procedure 5-2

PV632AT . &

MANUAL

6. Panel Specification 6-1

6-1 General Specifications 6-2
6-2 Absolute Maximum Ratings 6-2
6-3 Optical Specifications 6-3
6-4 Display Quality 6-4
6-5 Dot Defects 6-4

7. Function Test & Alignment Procedure 7-1

7-1 Test Equi pment 7-2
7-2 Te st Condition 7-2
7-3 T est Display Modes and Pattern 7-3
7-4 Function T est and Alignment Procedure 7-5
7-5 Hi-Pot & Grounding Test 7-7
7-6 Cleaning 7-7

8. DDC Key-in Procedur e 8-1

8-1 Equipment Needed 8-2
8-2 Setup Procedure 8-3
8-3 Key-in Procedure 8-4

9. Firmware Upgrade Procedure 9-1

9-1 Equipment Needed 9-2
9-2 Setup Procedure 9-3
9-3 Upgrade Procedure 9-4

10. Appendix 10-1

10-1 Serial Number System Definition 10-1
Reader’s Response 10-3

PV632AT . 1-1 &

MANUAL

CHAPTER 1

This manual provides an integral information you need to
maintain the LCD Monitor, and the manual is applied to the model
of 12.1” TFT 800*600 Analog Color LCD Monitor. There are ten
topics in this manual, and you can immediately identity the prob­lem through the manual.

This manual is for the technicians and people who have the
electronic background. Send the product back to the distributor
for r epairing and do not attempt to do anything which is complex
or isn’t mentioned in the Troubleshooting.

Introduction

&

1-2 . PV632A T

SERVICE

1-1 Product Highlight

The major adva nced f eature s of this product are :

u 12.1” TFT color LCD panel

u Flexibility to adopt 12.1” panels from Toshiba/IBM

u Analog interface for plug and play convenience

u 250 cd/m2 higher brightness for Toshiba/150 cd/m2 brightness for IBM

u Support 800*600 SV GA resolution up to 85Hz

u Wide compatibility with 31-54KHz for horizontal scan

u Multi-function OSD user control

u External power supply

u Ergonomics sta nd tilt function

u Support VESA DPMS power saving and DDC 1/2B data communications

u ISP function

u MTBF = 50K hours except CCFLs

PV632AT . 1-3 &

MANUAL

1-2 Technical Specification

1-2.1 LCD Module

Toshiba L TM12C275C

Screen Size 12.1” diagonal
Dimension Outline 290(W)*220(H)*15(D) mm
Active Area 246(W)*184.5(H) mm
T echnology TFT active matrix
Display Pixels 800*600
Brightness 250 cd/m2 (typ.)
Contrast Ratio 100 : 1 (min.)
Number of Color 16.7 M colors
V iewing Angle Horizontal : L/R : 10/20

Vertical : U/D : 30/30 (typ.) CR/10

Response Time Tr : 50ms

Tf : 50ms (typ.)

La m p Number 2 CCFLs

Life 30,000 hrs (min.)
Detachable Ea sy

Dot Defect Bright £

5, Black £ 5, Total £ 8

IBM ITSV53L

Screen Size 12.1” diagon al
Dim ension Outline 275(W)*199(H)*4.95(D) mm (typ.)
Active Area 246(W)*184.5(H) mm
T e chn olog y TFT active matrix
Display Pixels 800*600
Brightness 150 cd/m2 (typ.)
Contrast Ratio 150 : 1 (min.)
Number of Color 16.7 M colors
Viewing Angle Horizontal : L/R : 50/50

Vertical : U/D : 15/30 (typ.) CR/10

Response Time Tr : 30ms

Tf : 30ms (typ.)

Lam p Number 1 CCFLs

Lif e 10,000 hrs (min.)
Detacha b le Eas y

Dot Defect Bright £

5, Black £ 5, Total £ 8

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1-4 . PV632A T

SERVICE

1-2.2 Compatibility

Power Supply

External AC/DC power adapter
2 pin/1 Ouput 12V/24W
Universal T ype AC100 ~240V (50/60Hz)
UL, CSA, TUV , CE M ark compli ant

Input Signal

V ideo Analog RGB, 0.7Vp-p
Synchronization Separate Sync.

Displayable Color

16.7 million colors simultaneous (by twobits FRC)

Compatibility Ra nge

V ideo Bandwidth 56MHz (SVGA)
Horizontal Frequency 31KHz ~ 54KHz (SV GA)
Vertical Refresh 56Hz ~ 85Hz

1-2.3 Electrical Power

1-2.4 Mecha nical

Tilt -5o ~ 60

o

Net W eight 4.6kgs
Gross W eight 6.7kgs
Bezel Frame Size 12.1”

1-2.5 Safety/Regulation

FCC-B (DOC), CE-B, VCCI-II, UL, CUL, TUV

PV632AT . 1-5 &

MANUAL

1-3 Environmental Requirements

1-3.1 Temperature

Operating 5oC ~ 35oC (Neglect altitude)
Non-Operating -20oC ~ 60oC (For all altitude)

1-3.2 Humidity

Operating 20% ~ 80% non-condensing
Non-Operating 20% ~ 80% non-condensing

1-3.3 Altitude

Operating 0 ~ +12,000 feet (3658 m)
Non-Operating 0 ~ +40,000 feet (12193 m)

1-3.4 V ibration

All vibration testing should include in each of mutually perpendicular axes according to the
position in front of the users.

Operating Conditions :

Sinusoidal Vibration :

(1) 0.25g zero-to-peak.
(2) 10 to 500Hz.
(3) 0.25 octaves/minute in each axes .
(4) One sweep is from 10 to 500 to 10Hz in each axis.

Random Vibration :
(1) 0.002 g2/Hz.
(2) 10 to 500Hz.
(3) Nominal 1.0 grms.
(4) One hour/axis.

&

1-6 . PV632A T

SERVICE

Non-Operating Conditions :

Sinusoidal Vibration :

(1) 1.0g zero-to-peak.
(2) 10 to 500Hz.
(3) 0.5 octaves/minute in each axes.
(4) One sweep is from 10 to 500 to 10Hz in each axis.

Random Vibration :
(1) 0.0082 g2/Hz.
(2) 10 to 500Hz.
(3) Nominal 2 grms.
(4) One hour/axis.

1.3.5 Shock

All shock testing should include in each of mutually perpendicular axe s a ccording to the
position in front of the users.

Operating Conditions :

Half Sine Wave Shock :

(1) 20g peak acceleration.
(2) Nominal 11 ms pulse duration.
(3) One pulse input/direction.

Non-Operating Conditions :

Half Sine Wave Shock :

(1) 50g peak acceleration.
(2) Half sine pulse shape.
(3) Nominal 11 ms pulse duration.
(4) One pulse input/direction.

PV632AT . 2-1 &

MANUAL

This section provides the package and exploded overview,

replaceable parts list and recommendatiom parts list for the

12.1” LCD Monitor. You can place an order for correct parts
in the recommendation parts list.

CHAPTER 2

Mechanical Construction

&

2-2 . PV632A T

SERVICE

2-1 Package Overview

PV632AT . 2-3 &

MANUAL

metI N/P noitpircseD

1190.20325.5329*801notraClebaL

2110.10535.55522*083*064BAnotraC

3100.20125.5535*591*593BxoB

4100.40455.CDTA236VP.C.D

5200.10535.65RnoihsuC

6200.20535.65LnoihsuC

7200.30535.65dnatSnoihsuC

8100.21108.15t70.0*006*024gaBDSE

9100.10000.75g02reirD2OiSkcaP

01100.51105.24mm0381droCrewoPelbaC

11200.61105.24)NPJ(kcalBmm0381droCrewoPelbaC
1-11100.60535.24)KU(kcalBM8.1droCrewoPelbaC

21200.10645.24eulB/kcalBmm0081P51AGVelbaC

31100.10455.74W42A2/V21:tuOV042-001:nIretpadA

41100.50705.24kcaJiniMotkcaJiniMelbaC

51100.10455.63launaMs'resU

71100.80755.24m8.1P9232-SRhcuoTelbaC

81100.10535.73D.veRrevirDneercshcuoTOLE

2-1.1 Replacement Parts List

&

2-4 . PV632A T

SERVICE

2-2 Exploded Overview

PV632AT . 2-5 &

MANUAL

metI N/P noitpircseD

1304.10535.57revoCtnorFYSSA

2100.10535.84C572C21MTLabihsoT006*008"1.21DCLTFT

3130.10455.16)A/hcuoT/hsoT(tekcarBtroppuS

4304.10535.15revoCraeR

5110.20455.16)T/abihsoT(L-etalPretpadA

6110.30455.16)T/abihsoT(R-etalPretpadA

7100.60455.16t3.0etalpeniTrevoCgnidleihS

8120.10455.08oiduA/WA236VProfdraoBniaMABCP

9100.40535.57eludoMrekaepSYSSA

01100.20455.08draoBlortnoCABCP

11110.30455.08oiduA/WA236VProfdraoBTNNCABCP

21100.60455.08draoBretrevnI451-VNIABCP

31200.40535.16egniH

41202.50535.16sissahCdnatS

51202.60535.16revoCdnatS

61110.10035.15paCegniH

71100.20705.5394*99.cepSlebaL

81200.70535.57hctiwSYSSA

91100.50455.24)TNNC&LRTC(P7/21/02.A.W

02100.10455.24)VNI(mm0982#1751LUP6.A.W

12100.30455.24)C572(mm02182#1751LUP03.A.W

22100.20455.24)AGV(mm00142#7001LUP21.A.W

32570.GA500.585.7L*5H*04-4#O/IxeHwercS

42021.421F1.5821*4MFS/WhceMnaPwercS

52080.321AZ.588*3MhceMW/HCWwercS

62050.323F1.585*3MFS/WhceMnaPwercS

72080.321F1.588*3MFS/WhceMnaPwercS

82040.325AZ.584*3MhceMW/HCVwercS

92080.325A1.585=T8*3MhceMnaPwercS

03100.70455.24)232SR(mm01142#7001LUP01.A.W

2-2.1 Replacement Parts List

&

2-6 . PV632A T

SERVICE

metI N/P noitpircseD

13100.10135.94"1.21/OLElenaPhcuoT

23100.20535.25t6.0*091L*0.4WdaPnoroP

33100.30535.25t6.0*072L*0.4WdaPnoroP

43100.40455.08hcuoTOLErofdraoBhcuoTABCP

53100.10455.15ralyM+reppoC

63110.10535.25t8.0*21DtooFUP

73100.62000.15)T(8.0*)W(69064Y-M3epaTelbuoD

83200.60535.15ralyMlortnoCrotalusnI

PV632AT . 2-7 &

MANUAL

2-3 Recommendation Spare Parts List

Note : SW = Swap Spare Parts, CM = Consume Spare Parts. You can place an order for swap or

consume spare parts to do replacement. Or just return swap spare parts back for repair,
but consume spare parts is not acceptable for repair or return.

SW is repairable, when it’s defective please return back the def ective but complete parts
to swap f or good parts. Regarding CM, it’s not repairable a nd you should give the order
to do replacement and discard the defective parts directly.

The recommendation spare parts list is built for the convenience of disasse mbl
procedure. If there is a ny comment or recommendatin on the ite m of SW or CM, please
let us know.

metI N/P noitpircseD epyT

1100.21645.14mm03*52)06508(epaTIMEMC

2100.40845.14mm08*03)06508(epaTIMEMC

3100.10455.14mm03*011)37708(epaTIMEMC

4100.10535.84C572C21MTLabihsoT006*008"1.21DCLTFTWS

5100.10135.94"1.21/OLElenaPhcuoTWS

6100.62000.15)T(mm8.0*)W(mm69064Y-M3epaTelbuoDMC

7304.10535.57revoCtnorFYSSAMC

8100.10435.948rekaepSCSIM V W1MC

9200.70535.57hctiwSYSSAMC

01100.10455.57revoCraeRYSSAMC

11120.10455.08"abihsoT"oiduA/WA236VProfdraoBniaMABCPWS

21100.20455.08draoBlortnoCABCPWS

31110.30455.08oiduA/WA236VProfdraoBTNNCABCPWS

41100.40455.08draoBhcuoTABCPWS

51100.60455.08draoBretrevnI451-VNIABCPWS

61100.10455.74W42A2/V21:tuOV042-001:nIretpadAWS

2-3.1 Spare Parts List

&

2-8 . PV632A T

SERVICE

75.53501.403 ASSY Front Cover

48.53501.001 TFT LCD 12.1” 800*600

49.53401.001 MISC Speaker 8V 1W

80.55401.021 PCBA Main Board

75.55401.001 ASSY Rear Cover

49.53101.001 T ouch Panel ELO/12.1”

2-3.2 Parts Illustration

PV632AT . 2-9 &

MANUAL

80.55402.001 PCBA Control Board

80.55406.001 PCBA Inverter Board

80.55403.011 PCBA CNNT Board

47.55401.001 Adapter

80.55404.001 PCBA Touch Board

PV632AT . 3-1 &

MANUAL

CHAPTER 3

Disassembly Procedure

This section provides disassembly procedures for 12.1”
TFT 800*600 Analog Color LCD Monitor. Before you begin
any of these procedures, be sure to turn off the power, computer
system, and other attached devices; then disconnect the power
cable from the electronically outlet. Moreover, when you
disassemble the monitor, be sure to put the screws in a safe
place and separate them according to grouping.

&

3-2 . PV632A T

SERVICE

3-1 Disassemble Stand Cover and Front Cover

1. Push the tab and remove Stand Cover.

2. Unscrew six screws of Rear Cover.

3. Turn the monitor over , take off Front Cover.

Front Cover

Rear Cover

Sta nd Cover

2

1

1

3

PV632AT . 3-3 &

MANUAL

3-2 Disassemble Panel and Adapter Plates

1. Unscrew four screws of Adapter Plates and tear off EMI tape.

2. Lift up Pa nel Module and unplug all the wires to remove LCD Panel Module.

LCD Panel

1

2

&

3-4 . PV632A T

SERVICE

3. Unscrew two screws of two Speakers to remove Speakers from Adapter Plates.

4. Unscrew four screws of Panel to take off Adapter Plates.

5. Cut off the double tape around Touch Panel to separate Touch Panel from LCD Panel.

6. Turn LCD Panel over and unplug the wire.

LCD Panel

T ouch Panel

Adapter Plate

Adapter Plate

Speakers

6

4

3

5

4

3

PV632AT . 3-5 &

MANUAL

3-3 Disassemble Stand

1. T ake off two Hinge Caps.

2. Unscrew four screws on Hinge to re move Stand.

3. Unscrew two screws to separate Hinge from Stand Chassis.

Stand

Hinge Cap

Hinge Cap

Rear Cover

Sta nd Chassis

Hinge

1

1

2

3

&

3-6 . PV632A T

SERVICE

3-4 Disassemble Main, Inverter, Control, Connector and Touch Boards

1. Unscrew three screws of Inverter Board to remove Inverter Board.

2. Unscrew four screws of Shielding Cover to remove Main Board and Cover.

3. Unscrew two screws of Touch Board to remove Touch Board.

4. Unscrew two screws of Control Board to remove Control Board.

5. Unscrew two screws of Connector Board to remove Connector Board

6. Unplug all wires.

Shielding Cover

Copper
Mylar

Inverter BD

Support Bracket

T ouch Board

Control Board

Connector Board

1

6

2

5

4

3

PV632AT . 3-7 &

MANUAL

7. Turn over Support Bra cket and Rear Cover, then unscrew fou hex screws to remove
two wires.

8. T ake off Switch.

Switch

9. Splay out Shielding Cover to remove M ain Board.

9

7

8

Shielding Cover

Main Board

PV632AT . 4-1 &

MANUAL

This section provides each connector location on boards,
signal and function of each board. They will be useful for your
detecting the defective boards.

CHAPTER 4

Function of Boards

&

4-2 . PV632AT

SERVICE

4-1 Main Board

4-1.1 The Location of Connector

4-1.2 J3 : Inverter Connector

#niP emaNlangiS noitcnuF

1BV21+V21+

2BV21+V21+

3NO_LBelbanEpmaL

4THGIRBlortnoCssenthgirB

5DNGdnuorG

6DNGdnuorG

J3

J1 J2

J5

J4

JP2

4-1.3 J4 : Touch Power Connector

#niP emaNlangiS noitcnuF

1AV5+V5+

2DNGdnuorG

PV632AT . 4-3 &

MANUAL

4-1.5 J1 : Power Switch Connector

#niP emaNlangiS noitcnuF

1NOC_WSlortnoChctiwSrewoP
2DNGdnuorG
3WS_KHCdevreseR

4DNGdnuorG

4-1.4 J2 : Interface Connector

#niP emaNlangiS noitcnuF

1RNI_ENILlennahCthgiRroftupnIoiduA
2+RTUO_ENIL)evitisoP(lennahCthgiRroftuptuOoiduA
3DNGdnuorG

4-RTUO_ENIL)evitageN(lennahCthgiRroftuptuOoiduA

5LNI_ENILlennahCtfeLroftupnIoiduA
6+LTUO_ENIL)evitisoP(lennahCtfeLroftuptuOoiduA

7DNGdnuorG

8-LTUO_ENIL)evitageN(lennahCtfeLroftuptuOoiduA
9NIV21+V21+

01DNGdnuorG
11NIV21+V21+
21DNGdnuorG
31DNGdnuorG
41NRG_DELneerG-DELetacidnI
51DER_DELdeR-DELetacidnI
61UNEMnottuBuneM

71TCELESnottuBtceleS

81+_YEKnottuB"+"
91-_YEKnottuB"-"

02.C.NnoitcennoCoN

&

4-4 . PV632AT

SERVICE

4-1.6 JP2 : LCD Panel Interface Connector

#niP emaNlangiS noitcnuF

1DNGdnuorG
21BKCLkcolCgnilpmaS

3.C.NnoitcennoCoN

4.C.NnoitcennoCoN
5DNGdnuorG
60R)BSL(ataDyalpsiDdeR

71RataDyalpsiDdeR

82RataDyalpsiDdeR
93RataDyalpsiDdeR

014RataDyalpsiDdeR
115R)BSM(ataDyalpsiDdeR
21DNGdnuorG
310G)BSL(ataDyalpsiDneerG
411GataDyalpsiDneerG
512GataDyalpsiDneerG
613GataDyalpsiDneerG

714GataDyalpsiDneerG

815G)BSM(ataDyalpsiDneerG
91DNGdnuorG

020B)BSL(ataDyalpsiDeulB

121BataDyalpsiDeulB

222BataDyalpsiDeulB

323BataDyalpsiDeulB

424BataDyalpsiDeulB

525B)BSM(ataDyalpsiDeulB
621GTDLgnimiTyalpsiDDCL
72DNGdnuorG
82RWP_LPylppuSrewoPV5+
92RWP_LPylppuSrewoPV5+
03DNGdnuorG

13.C.NnoitcennoCoN

PV632AT . 4-5 &

MANUAL

4-1.7 J5 : VGA Connector

#niP emaNlangiS noitcnuF

1DERtupnIdeR

2DNGdnuorG

3NEERGtupnIneerG

4DNGdnuorG

5EULBtupnIeulB
6DNGdnuorG
7CCV_CDDrewoP-CDD
8DNGdnuorG
9CNYSH.cnySlatnoziroH

01ADS_CDDataDlaireSCDD
11LCS_CDDkcolClaireSCDD
21CNYSV.cnySlacitreV

&

4-6 . PV632AT

SERVICE

4-2 Touch Board

4-2.1 The Location of Connector

4-2.2 JP2 : Touch Screen Connector

#niP emaNlangiS noitcnuF

1H egatloVevirDX
2X noitisoPlatnoziroH

3esneSniPnoissimsnarT
4Y noitisoPlacitreV

5L dnuorG

JP3

JP2

4-2.3 JP3 : RS-232 Connector

#niP emaNlangiS noitcnuF

1BNI2RF)RTD(ydaeRlanimreTataD
2DNGdnuorG
3NI1RF)DXT(ataDdettimsnarT

4TUO2TF)STC(dneSotraelC

5TUO1TF)DXR(ataDevieceR
6ANI2RF)STR(dneSottseuqeR

7CCV232SRCCV232-SR

8CCVCCV232-SR
9DNGdnuorG

01CCVCCV

PV632AT . 4-7 &

MANUAL

4-3 Connector Board

4-3.1 The Location of Connector

4-3.2 JP1 : Speaker Connector

#niP emaNlangiS noitcnuF

1+L)evitisoP(lennahCtfeLroftuptuOoiduA
2-LTUO_ENIL)evitageN(lennahCtfeLroftuptuOoiduA
3+R)evitisoP(lennahCthgiRroftuptuOoiduA
4-RTUO_ENIL)evitageN(lennahCthgiRroftuptuOoiduA

J3

JP1

4-3.3 J3 : Audio/Power Connector

#niP emaNlangiS noitcnuF

1RNI_ENILlennahCthgiRroftupnIoiduA

2+RTUO_ENIL)evitisoP(lennahCthgiRroftuptuOoiduA

3DNGdnuorG

4-RTUO_ENIL)evitageN(lennahCthgiRroftuptuOoiduA

5LNI_ENILlennahCtfeLroftupnIoiduA
6+LTUO_ENIL)evitisoP(lennahCtfeLroftuptuOoiduA
7DNGdnuorG
8-LTUO_ENIL)evitageN(lennahCtfeLroftuptuOoiduA
9NIV21+V21+

01NIV21+V21+
11DNGdnuorG
21DNGdnuorG

&

4-8 . PV632AT

SERVICE

4-4 Control Board

4-4.1 The Location of Connector

4-4.2 J8 : Control Connector

#niP emaNlangiS noitcnuF

1DNGdnuorG

2DELNRG/DERDELetacidnIffO/nOrewoP

3DELNRG/DERDELetacidnIffO/nOrewoP

44WSnottuBuneM

53WSnottuBtceleS
62WSnottuBtfeL
71WSnottuBthgiR

J8

PV632AT . 4-9 &

MANUAL

4-5 Inverter Board

4-5.1 The Location of Connector

4-5.2 JP2

#niP emaNlangiS noitcnuF

11-TUOVegatloVhgiH

21WOLdnuorG

JP2

J1

JP4

4-5.3 JP4

4-5.4 J1

#niP emaNlangiS noitcnuF

121-NIVV21+
221-NVV21+
35-NIVelbanEpmaL
4LORTNOClortnoCssenthgirB
5DNGdnuorG
6DNGdnuorG

#niP emaNlangiS noitcnuF

13-TUOVegatloVhgiH
22WOLdnuorG

PV632AT . 5-1 &

MANUAL

CHAPTER 5

Troubleshooting Procedur e

This chapter provides technicians and people who have an
electronic background a primary description about maintaining
the product. Moreover, you can get the appropriate operation to
solve some complicated problems of component repairing and
professional problems.

&

5-2 . PV632A T

SERVICE

5-1 Equipment Needed

Start

Connect all of devices

to PV632AT

Power-on

Is indicator
LED light ?

A. Power Circuit
Troubleshooting

Yes

No

5-2 Main Procedure

o PV632AT
o PC (Personal Computer) with SV GA Card
o Screw Driver

Is Backlight on ?

B. Backlight
Troubleshooting

Yes

No

Display

performance ok ?

C. Performa nce
Troubleshooting

Yes

No

Function

a djustment ok ?

D. Function
Troubleshooting

Yes

No

1

PV632AT . 5-3 &

MANUAL

Audio function ok ?

E. Audio
Troubleshooting

Yes

No

1

F. T ouch
Troubleshooting

End

No Trouble Found

&

5-4 . PV632A T

SERVICE

5-2.1 A. Power Circuit Troubleshooting

Start

Cha nge AC/DC

Adapter & retry

power on

Yes

End

No Trouble Found

No

Cha nge Main

Board & retry

Yes

No

Cha nge Connector

Board & retry

Yes

PV632AT . 5-5 &

MANUAL

5-2.2 B. Backlight Troubleshooting

Start

Cha nge Inveter

& Retry

Yes

End

No Trouble Found

No

Cha nge Main

Board & retry

Yes

No

Cha nge Backlight

Module

Yes

&

5-6 . PV632A T

SERVICE

Yes

No

No

Yes

No

Start

No

Yes

Change
Main Board

Change
Main Board

Cha nge
LCD Module

Change
V GA Ca ble

Cha nge
Main Board

Change
LCD Module

Cha nge
Inverter Board

Change
LCD Module

Check FPC
cable connect ok ?

Is screen white ?

Cha nge

Inverter

Board

Is screen
scrollig ?

Is screen
flickering ?

Is LCD
line defective ?

Have
ba d uniformity ?

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

No

No

Change
LCD Module

Yes

5-2.3 C. Performance Troubleshooting

Cha nge
Main Board

Reset &

Adjust “Tra cking or

Frequency” ?

Screen with

noiseor line bar

?

Yes

Yes

Yes

No

No

Reset ok?

Change
Main Board

Make sure

I/P is VGA/SVGA,

not XGA ?

Is display smaller

?

Yes

Yes

Yes

Yes

No

No

No

End

No Trouble Found

PV632AT . 5-7 &

MANUAL

5-2.4 D. Function Troubleshooting

Yes

Start

No

Change
Main Board

Cha nge

Control Board

a nd Retry

Is Control

Menu working ?

Yes

Yes

No

End

No Trouble Found

&

5-8 . PV632A T

SERVICE

5-2.5 E. Audio Troubleshooting

Yes

Start

No

Cha nge

Connector

Board

Cha nge

Speaker

Have sound ?

Yes

Yes

No

End

No Trouble Found

Make sure sound output

Audio cable is ok?

Yes

No

Cha nge

Speaker

Sound is broken?

Yes

Yes

No

Cha nge

Main Board

Volume is

adjustable?

Yes

PV632AT . 5-9 &

MANUAL

Yes

No

Start

No

Cha nge
Main Board

Re-load

T ouch Driver

Cha nge

RS232 Cable

RS232 Cable
connects well ?

T ouch has

response ?

Yes

Yes

Yes

Yes

No

No

5-2.6 F. Touch Troubleshooting

End

No Trouble Found

Yes

Cha nge

T ouch Board

No

Yes

Remove

T ouch Driver of

other bra nd

Is there a ny

T ouch Driver of

other compa ny in

computer?

Yes

PV632AT . 6-1 &

MANUAL

This chapter provides the 12.1” LCD panel specification,
including optical characteristics and dot defects. All information
is for your r eference.

CHAPTER 6

Panel Specification

&

6-2 . PV632A T

SERVICE

6-1 General Specifications

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PV632AT . 6-3 &

MANUAL

6-3 Optical Specifications

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yW

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33.0

53.0

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-

-

&

6-4 . PV632A T

SERVICE

6-4 Display Quality

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PV632AT . 7-1 &

MANUAL

CHAPTER 7

Function Test and Alignment Procedure

This chapter provides equipment, conditions, patterns,
and procedure needed for Function Test and Alignment. It also
includes compatible modes. All information is for your
reference.

&

7-2 . PV632A T

SERVICE

7-1 Test Equipment

q Color Video Signal & Pattern (or PC with SVG A resolution)
q Hi-pot & Grounding measurement
q Shadow gauge or Filter film of 2% and 5%
q 25X Monoscope or Blemish film

Before function test and alignment, each LCD Monitor should be run-in and warmed-up for
at least 12 hours with the following conditions:

a). In room temperature,
b). W ith full-white screen,
c). W ith cycled display modes,

640*350 (H=31.5kHz, V=70Hz)
640*400 (H=31.5kHz, V=70Hz)
720*400 (H=31.5kHz, V=70Hz)
640*480 (H=31.5kHz, V=70Hz)
800*600 (H=37.9kHz, V=60Hz)
800*600 (H=46.9kHz, V=75Hz)
1024*768 (H=48.4kHz, V=60Hz)
1024*768 (H=56.5kHz, V=70Hz)
1024*768 (H=60.0kHz, V=75Hz)

7-2 Test Condition

PV632AT . 7-3 &

MANUAL

7-3.1 Comatible Modes

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084*046575.73AGVASEV
084*046583.34AGVASEV

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006*008069.73AGVSASEV
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006*008579.64AGVSASEV
006*008587.35AGVSASEV

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084*046760.53IIcaMelppA

&

7-4 . PV632A T

SERVICE

Fine Line Morie Pattern (Figure 1) Gray Scale Pattern (Figure 2)

Horizontal & Vertical Thickness Pattern (Figure 3) R. Color Pattern (Figure 4)

G. Color Pattern (Figure 5) B. Color Pattern (Figure 6)

PV632AT . 7-5 &

MANUAL

Full White Pattern (Figure 7) Dark Screen Pattern (Figure 8)

7-4.1 All Mode Reset

Please press “3” and “4” functions on front bezel and trun on Power si multaneously and

keep unreleased for 2 seconds. Then, the screen will show “ALL MODES RESET”. This
action will allow you to erase all end-user’s setings and restore the factory defaults.

7-4.2 Frequency and Tracking

T est Signal : 800*600@72Hz
T est Pattern : Line Moire Pattern

v Check and see if the image sharpness and focus is well performed.
v If not, readjust by the following steps :

(a) Select a nd enter “Frequency” function on “Advanced Menu” to adjust the screen

to full screen and to eliminate visual wavy noise.

(b) Then, select and enter “Track” function to adjust the i mage to eliminate visual noise.

7-4 Function Test and Alignment Procedure

&

7-6 . PV632A T

SERVICE

7-4.4 Boundary

T est Signal : 800*600@72Hz
T est Pattern : Horizontal & Vertical Line Thickness Pattern

v Check and see if the image boundary is within the screen frame.
v If not, readjust by the following steps :

(a) Select a nd enter “Position” function on OSD Main Menu.
(b) Then, select and enter “Horizontal Position” and “Vertical Position” function to

a djust the video boundary to be full scanned and within screen fram e.

7-4.5 R,G,B, Colors Contrast

T est Signal : 800*600@72Hz
T e st Pattern : R,G,B Color Intensities Pattern and 16 Gray Scale Pwttern

v Check and see if each color is normal a nd distinguishable.
v If not, plea se return the unit to re pair area.

7-4.6 Screen Uniformity and Flicker

T est Signal : 800*600@72Hz
T est Pattern : Full White Pattern
v Check and see if it is in normal condition.

7-4.7 Dead Pixel a nd Line

T est Signal : 800*600@72Hz
T est Pattern : Dark Screen Pattern

v Check a nd see if there are dea d pixels on LCD panel with sha dow gauge and filter film.
v The total numbers and dista nce of dead pixels should be complia nt with the spec.

7-4.8 Check for Secondary Display Mode s

T est Signal : 640*350@70Hz; 640*400@70Hz;

640*480@60/72/75/85Hz; 720*400@70Hz

800*600@56/60/72/75Hz
v Normally when the primary mode 800*600@72 is well adjusted and compliant
with the specification, the secondary display modes will be great possibile to be compliant
with the spec. But we still have to check with the general test pattern to make sure
every secondary is compliant with the specification.

PV632AT . 7-7 &

MANUAL

7-4.9 All Mode Reset

After final QC step, we have to erase all saved changes again and restore the fa ctory defaults.

Please press “3” and “4” functions on front bezel and trun on Power simultaneously and keep
unreleased for 2 seconds. Then, the screen will show “ ALL MODES RESET”. This action will
allow you to erase all end-user’s setings and restore the factory defaults.

7-5 Hi-Pot & Grounding Test

Hi-Pot Specification : 1.5KV, 10mA, 2 Sec
Grounding Specification : 12V DC, 25A, 0.1V

7-6 Cleaning

Please use non-alcohol cleanser to clean LCD pa nel and cosmetics material with
soft cotton.

PV632AT . 8-1 &

MANUAL

CHAPTER 8

DDC Key-in Procedur e

This chapter provides the related information about the
necessary equipment, DDC Key-in procedure. The data is all
for your reference.

&

8-2 . PV632A T

SERVICE

8-1 Equipment Needed

v PV632AT monitor
v Fixture for DDC Key-in
v RS232 Cable (P/N : 42.55708.001)
v Power Adapter (P/N : 47.53402.001) for Fixture
v VGA Cable (P/N : 42.54601.002)
v PC (Personal Computer)
v Power Adapter (P/N : 47.55401.001) for PV632AT monitor
v DDC Key-in Program
v One additional monitor f or checking the program execution

Connect to
V G A ca ble.

Connect to
Power Adapter
(47.55401.001).

PV632AT monitor

JP3 : to Power Adapter

P1 : to
RS232
cable

P2 : to VGA cable

COM1 : to
RS232 cable

RS232 Cable (P/N : 42.55708.001)

Power Adapter (P/N : 47.53402.001)

PC

PV632AT . 8-3 &

MANUAL

1. Connect RS232 cable between P1 of Fixture and COM1 of PC.

2. Plug Power Adapter (47.54302.001) into JP3 of Fixture.

3. Connect VGA cable between PV632AT and P2 of Fixture.

4. Connect PV632AT to Power Adapter.

5. Connect PC to the additional monitor.

8-2 Setup Procedure

VGA Cable (P/N : 42.54601.002) Ada pter (P/N : 47.55401.001)

PC

PV632AT

Power Adapter

Fixture

Power
Adapter

1

2

5

4

3

1

&

8-4 . PV632A T

SERVICE

1. Run <EDID 632A V2.EXE> program in the computer .

8-3 Upgrade Procedure

PV632AT . 8-5 &

MANUAL

2. Use Bar Code Reader or Keyboard to input S/N (serial number) and press “Enter”
key on the keyboard to begin programming.

3. After S/N is inputted, the successful picture is a s the follows.

(There is CheckSum value appearing beside VGA Success.)

PV632AT . 9-1 &

MANUAL

CHAPTER 9

Firmwar e Upgrade Procedure

This Chapter provides the equipment needed, setup and
upgrading procedure for Firmware upgrade. According to the
instruction, you could finish FW upgrade sucessfully.

&

9-2 . PV632A T

SERVICE

9-1 Equipment Needed

JP3 : to Power Adapter

P1 : to
RS232
cable

P2 : to VGA ca ble

Connect to
V G A ca ble.

Connect to
Power Adapter
(47.55401.001).

PV632AT monitor

COM1 : to
RS232 cable

RS232 Cable (P/N : 42.55708.001)

Power Adapter (P/N : 47.53402.001)

PC

v PV632A T monitor
v Fixture for Firmware Upgrade
v RS232 Cable (P/N : 42.55708.001)
v Power Adapter (P/N : 47.53402.001) for Fixture
v VGA Cable (P/N : 42.54601.002)
v PC (Personal Computer)
v Power Adapter (P/N : 47.55401.001) for PV632AT monitor
v Firmware Upgrade Progra m
v One additional monitor f or checking the program execution

PV632AT . 9-3 &

MANUAL

1. Connect RS232 cable between P1 of Fixture and COM1 of PC.

2. Plug Power Adapter (47.54302.001) into JP3 of Fixture.

3. Connect VGA ca ble between PV632AT a nd P2 of Fixture.

4. Connect PV632AT to Power Adapter.

5. Connect PC to the additional monitor.

9-2 Setup Procedure

VGA Cable (P/N : 42.54601.002) Ada pter (P/N : 47.55401.001)

PC

PV632AT

Power Adapter

Fixture

Power
Adapter

1

2

5

4

3

1

&

9-4 . PV632A T

SERVICE

3. Select 1. Load BIN File and press “Enter” key on the keyboard, then it will show
Open Files window.

1. Save <BIOS.EXE> a nd Firmware under the same folder.

2. Run <Bios.exe> progra m in the computer.

9-3 Upgrade Procedure

PV632AT . 9-5 &

MANUAL

4. Key in file name and save path of Firmware below Open Files, then press “Enter” key.
It will show Input file OK! a nd CheckSum value in the middle window to mean success.

5. Select 3. Check Loader.

6. Press “MENU” key of PV632AT monitor a nd power on the monitor at the same time.

(If the procedure is right, the Power Indicate LED of PV632AT wouldn’t light.)

7. Press “Enter” key on the keyboard a nd “MENU” key of PV632AT monitor.

(If the procedure is right, Load OK! will show up.)

&

9-6 . PV632A T

SERVICE

8. Select 2. Progra mming

9. Press “MENU” key of PV632AT monitor a nd “Enter” key on the keyboard at the
same time. (If the procedure is right, the value of Address would step up.)

10. After finishing Firmware upgrad, check if CheckSum below Open Files is the sa me
as the a bove one.

PV632AT . 10-1 &

MANUAL

CHAPTER 10

Appendix

A BBB Y WW C D BEMO EEEE

: A = Optoma, B~Z = OEM
: Product code (ex: 554 = PV632A T)
: Y = Last number of the year (ex: 2000 - 0, 2001 - 1 )
: Week of inspection
: Panel vendor code
: Electrical classification (1=110V, 2=220V, 0=universal)
: B = BIOS version, E = PCB board version,

M = Mechanical version, O = Optical version

: Serial code (from 0001~)

EX: A554102T011 100061

This label “A554102T011100061” represents whole serial number for PV632AT,
including the first version of BIOS a nd Main Board. It’s produced on 2nd-week of 2001 for
universal area and its serial code is 0061.

10-1.1 Serial Number for LCD Display

3

6

1
2

5

4

7

6

1

2

5

4

7

8

8

3

10-1 Serial Number System Definition

&

10-2 . PV632AT

SERVICE

: L = LPP, M = LMT
: BB = Model code (ex:A4 = PV632AT..etc)
: M = Main board, A = A/V board, D = Driver board
: Last number of the year (ex: 2000 - 0, 2001 - 1)
: M = Month (Jan.~Sep.=1~9, Oct.~Dec.=X,Y,Z)

: A1 = version (A1~AZ, B1~BZ....)

: Serial code (from 0001~)

EX: MA4M12B10067
This label “MA4M12B10067” represents the main board of version B1 f or

PV632AT on February, 2001. Its serial code is 0067.

25mm*14mm

MA4M12B10067

10-1.2 Serial Number for PCBA Main Board

3 6

1

2

5

4

7

3

6

1
2

5

4

7

L BB M Y M A1 AAAA

PV632AT . 10-3 &

MANUAL

✽

Readers Response

✽

Dear readers:

Thank you for your backing our service manual up. In order to refine our content of the service
manual and satisfy your requirement. W e expect you can offer us some precious opinions for reference.

:emaN:eltiT

:ynapmoC

:ddA

:leT:xaF

:liam-E

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xidneppA.8

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