AOC Flat Panel Monitor 197Va1 Manual do Utilizador descarregar pdf

19" LCD Color Monitor AOC 197Va

Service

Horizontal Frequency

30-83 kHz

TABLE OF CONTENTS

Description Page Description Page

SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS

AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC

EQUIPMENT CONTAINING HIGH VOLTAGES.

Table Of Contents.......…….................……...........…........1

Revision List.…........................………................……......2

1. Monitor Specification.................................………........3

2.LCD Monitor Description…………………………….......4

3. Operation Instruction…………...................…...........5

3.1 General Instructions.....................................…...........5

3.2 Control Button……………………………..……...........5

3.3 Adjusting the Picture...........................…............6

4. Input/Output Specification............……………............7

4.1 Input Signal Connector............…..……................7

4.2 Factory Preset Display Modes.........................8

4.3 Power Supply Requirements…………………………8

5 Panel Specification.....…………………........................9

5.1 Display Characteristics………………………………9

5.2 Optical Characteristics………………………………..9

5.3 Parameter guide line for CCFL Inverter……………..10

6.Block Dia

ram…….…................………….........11

6.1 Software Flow Chat…….…..........………….........11

6.2 Electrical Block Diagram………...………...…......12

7. Schematic……………………………………………. 15

7.1 Main Board…………..............................................15

7.2 Power Board....……………....................................20

8. PCB Layout..………….......................................22

8.1 Main Board……………......................................22

8.2 Power Board…......................................................25

8.3 Key Board……………….....................................28

8.4 Audio Board………………………………………….28

9. Maintainability……….......................................29

9.1. Equipments and Tools Requirement.....................29

9.2. Trouble Shooting…………....................................30

10. White-Balance, Luminance adjustment.................35

11.Monitor Exploded View……..……………............36

12. BOM List....……....................................................37

13.Different Parts List……………………………..……47

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

1 2 3 4 5 6 ... 46 47

Resumo do Conteúdo

Página 1 - Service

19" LCD Color Monitor AOC 197Va 1 Service Service Service

Página 2 - Revision List

19" LCD Color Monitor AOC 197Va 105.3 Parameter guide line for CCFL Inverter 1. TFT LCD Module: 2. Back

Página 3 - 1. Monitor Specifications

19" LCD Color Monitor AOC 197Va 116. Block Diagram 6.1 Software Flow Chat 12NY5YN10YN12YN 7YN64389141113

Página 4 - Monitor Block

19" LCD Color Monitor AOC 197Va 12 1) MCU initialize. 2) Is the EPROM blank? 3) Prog

Página 5 - 3. Operating Instructions

19" LCD Color Monitor AOC 197Va 136.2 Electric Block Diagram 6.2.1 Main Board FLASH

Página 6 - 3.3 Adjusting the Picture

19" LCD Color Monitor AOC 197Va 146.2.2 Inverter / Power Board E

Página 7

19" LCD Color Monitor AOC 197Va 15 7. Schematic 7.1 Main Bo

Página 8

19" LCD Color Monitor AOC 197Va 16 GNDR71110K 1/16W　PC5V 3P W

Página 9 - 5 Panel Specification

19" LCD Color Monitor AOC 197Va 17 FB409 120 OHMC4460.1uFVSIC44

Página 10 - 2. Back Light Unit:

19" LCD Color Monitor AOC 197Va 18 KEY_LEFTC424 0.1uFPA17KEY_ME

Página 11 - 6. Block Diagram

19" LCD Color Monitor AOC 197Va 19 BB1NGA1NCN102IL-FHR-B50S-HF

Página 12

19" LCD Color Monitor AOC 197Va 2Revision List Revision Date Revision History TPV Model A00 Dec.-27-

Página 13 - 6.2.1 Main Board

19" LCD Color Monitor AOC 197Va 20 7.2 Power Board R95647 1/

Página 14

19" LCD Color Monitor AOC 197Va 21 R81210K 1/10W　C8351UF/25VC8

Página 15 - 7. Schematic

19" LCD Color Monitor AOC 197Va 22 8. PCB Layou

Página 16 - TSUM16AK

19" LCD Color Monitor AOC 197Va 23

Página 17

19" LCD Color Monitor AOC 197Va 24

Página 18

19" LCD Color Monitor AOC 197Va 25 8.2 Power Bo

Página 19

19" LCD Color Monitor AOC 197Va 26

Página 20 - 7.2 Power Board

19" LCD Color Monitor AOC 197Va 27

Página 21 - 19" R841 = 300ohm

19" LCD Color Monitor AOC 197Va 28 8.3 Key Boar

Página 22 - 8. PCB Layout

19" LCD Color Monitor AOC 197Va 29 9. Maintaina

Página 23

19" LCD Color Monitor AOC 197Va 31. Monitor Specifications Driving system TFT Color LCD Size 48.0c

Página 24

19" LCD Color Monitor AOC 197Va 30 9.2 Trouble

Página 25 - 8.2 Power Board

19" LCD Color Monitor AOC 197Va 31 No picture (

Página 26

19" LCD Color Monitor AOC 197Va 32 9.2.2 Power

Página 27

19" LCD Color Monitor AOC 197Va 33 2. W/LED No

Página 28

19" LCD Color Monitor AOC 197Va 34 OSD is unsta

Página 29 - 9. Maintainability

19" LCD Color Monitor AOC 197Va 35 10. White- B

Página 30 - 9.2.1 Main Board

19" LCD Color Monitor AOC 197Va 36

Página 31 - No picture (LED orange)

19" LCD Color Monitor AOC 197Va 37 12. BOM List

Página 32 - 9.2.2 Power Board

19" LCD Color Monitor AOC 197Va 38 Q45G 76 2

Página 33 - Check main board

19" LCD Color Monitor AOC 197Va 39 Q402 57G 41

Página 34 - 9.2.3 Key Board

19" LCD Color Monitor AOC 197Va 42. LCD Monitor Description The LCD MONITOR will contain a main board,

Página 35

19" LCD Color Monitor AOC 197Va 40 R424 61G060

Página 36 - 11. Monitor Exploded View

19" LCD Color Monitor AOC 197Va 41 C415 65G060

Página 37 - 12. BOM List

19" LCD Color Monitor AOC 197Va 42 D413 93G 6

Página 38

19" LCD Color Monitor AOC 197Va 43 L922 73G 25

Página 39

19" LCD Color Monitor AOC 197Va 44 R817 61G080

Página 40

19" LCD Color Monitor AOC 197Va 45 C819 65G080

Página 41

19" LCD Color Monitor AOC 197Va 46 R832 61G212

Página 42

19" LCD Color Monitor AOC 197Va 47 13. Differen

Página 43

19" LCD Color Monitor AOC 197Va 53. Operating Instructions 3.1 General Instructions Press the power butt

Página 44

19" LCD Color Monitor AOC 197Va 63.3 Adjusting the Picture · Press the MENU-button to activate the

Página 45

19" LCD Color Monitor AOC 197Va 74. Input/Output Specification 4.1 Input Signal Connector 4.1.1 D-SUB co

Página 46

19" LCD Color Monitor AOC 197Va 84.2 Factory Preset Display Modes Standard Resolution Horizontal Frequen

Página 47 - 13. Different Parts List

19" LCD Color Monitor AOC 197Va 95 Panel Specification 5.1 Display Characteristics 5.2 Optical Charact

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