Envision L26W761 Operations Instructions

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26 LCD TV Envision L26W761
1
Service
Service
Service
Horizontal Frequency
31-60 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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
6.1.Main Board…………..………….……….......25
6.2.Power Board……………..………….……….......28
6.3. Key Board……………………………..……….......31
6.4. IR Board….. ………………..……………....….....31
7. White-Balance, Luminance Adjustment...................32
8. Block Diagram.……...........................................34
9. Schematic……………...…………..………………...35
9.1 Main Board…….…………..……………….….......35
9.2.Power Board…………….……….………….......48
9.3.Key Board……………….……….………….......49
10. Exploded View..……………............................…..50
11. BOM List……………….………………………….….51
12.Different Parts List…………………………………78
Table Of Contents.......……..............................…........1
Important Safety Notice.......................................……......2
Revision List.…........................................……......3
1. General Specification..............................………........4
2. Operating Instructions…………………….……….......5
2.1. The Use Of Remote Control…….………….…….......5
2.2. To Use The Menu…...…………………….……….......6
2.3. How To Connect…….…………………….……….....12
2.4. Front Panel Control Knobs……………….……….....13
3. Input/Output Specification…………....................…....14
4. Mechanical Instructions…………………….................16
5. Repair Flow Chart ……………………….…….…….....20
6. PCB Layout ………………..………………....….......25
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Summary of Contents

Page 1 - Service

26’’ LCD TV Envision L26W761 1 Service Service Service

Page 2 - Important Safety Notice

26’’ LCD TV Envision L26W761 10 6. Digital Captions: Select the close caption options ( Servi

Page 3 - Revision List

26’’ LCD TV Envision L26W761 11【Edge Color】: The colors of text edge effects, which provides R

Page 4

26’’ LCD TV Envision L26W761 122.3 How to Connect 2.4 Front Panel Control

Page 5 - 2. Operating Instructions

26’’ LCD TV Envision L26W761 13 1 VOL▲ VOL +: Press to increase the sound volume level.

Page 6 - 2.2 To Use the Menu

26’’ LCD TV Envision L26W761 143.1 RGB Signal input 1611 15510 15 - Pin Color Display Signal C

Page 7 - AUDIO MENU

26’’ LCD TV Envision L26W761 153.3 AV/S-Video/Component Video Inputs 3.4 Compatible Mode Tabl

Page 8 - FEATURE MENU

26’’ LCD TV Envision L26W761 16 5. Mechanical Instructions 1. Put the TV on a soft flat; remo

Page 9

26’’ LCD TV Envision L26W761 17 4. Remove the main board, power board. 5. Remov

Page 10

26’’ LCD TV Envision L26W761 18 6. Remove the speaker and key board to remove the bezel.

Page 11

26’’ LCD TV Envision L26W761 19

Page 12 - 2.3 How to Connect

26’’ LCD TV Envision L26W761 2Important Safety Notice Proper service and repair is important

Page 13

26’’ LCD TV Envision L26W761 20 5. Repair Flow Chart 1. No Power (No LED indicator) NG Check

Page 14 - 3.1 RGB Signal input

26’’ LCD TV Envision L26W761 21 2. Can not start (LED indicator yellow) NG Repair the key board

Page 15 - 3.4 Compatible Mode Table

26’’ LCD TV Envision L26W761 22 3. Abnormal display Check the source OK Reset source NG Chec

Page 16 - 5. Mechanical Instructions

26’’ LCD TV Envision L26W761 23 4. No sound Check the source OK Reset sourceNG Check s

Page 17

26’’ LCD TV Envision L26W761 24 5. Key Board

Page 18

26’’ LCD TV Envision L26W761 25 6. PCB Layout 6.1 Main Board

Page 19

26’’ LCD TV Envision L26W761 26

Page 20 - 5. Repair Flow Chart

26’’ LCD TV Envision L26W761 27

Page 21

26’’ LCD TV Envision L26W761 28 6.2 Power Board

Page 22 - 3. Abnormal display

26’’ LCD TV Envision L26W761 29

Page 23 - 4. No sound

26’’ LCD TV Envision L26W761 3Revision List Version Release Date Revision Instructions TPV

Page 24 - 5. Key Board

26’’ LCD TV Envision L26W761 30

Page 25 - 6. PCB Layout

26’’ LCD TV Envision L26W761 31 6.3 Key Board 6.4 IR Board

Page 26

26’’ LCD TV Envision L26W761 32 7. White Balance, Luminance Adjustment Approximately 30 minute

Page 27

26’’ LCD TV Envision L26W761 33 balance,until the Ca210 show x =289, y =304. 7.Adjust item 7 to

Page 28 - 6.2 Power Board

26’’ LCD TV Envision L26W761 34 8. Block Diagram

Page 29

26’’ LCD TV Envision L26W761 35 9. Schematic Diagram 9

Page 30

26’’ LCD TV Envision L26W761 36 C46247pFZD146ZMM5V612+

Page 31 - 6.4 IR Board

26’’ LCD TV Envision L26W761 37 HDMI_D2NC4A70.01uFHDMI

Page 32

26’’ LCD TV Envision L26W761 38 U107_B2VGA_BR29047K 1

Page 33

26’’ LCD TV Envision L26W761 39 PIXOUT21+C962NCGREEN_Y

Page 34 - 8. Block Diagram

26’’ LCD TV Envision L26W761 41. General Specification Items Specification Panel Type 26” T26

Page 35 - 9. Schematic Diagram

26’’ LCD TV Envision L26W761 40 LVDS_D6_NFB919NC12FB91

Page 36 - VGA Audio Input

26’’ LCD TV Envision L26W761 41 R920 0 1/10W R982 200

Page 37 - HDMI I/F

26’’ LCD TV Envision L26W761 42 UART0RXGPIO39R440 4.7K

Page 38 - YPbPr Audio

26’’ LCD TV Envision L26W761 43 +C42310uF/ 16V+C41510u

Page 39 - Supply Bypass, A/D Converter

26’’ LCD TV Envision L26W761 44 RP410C 15 OHM +-5% 1

Page 40 - T2486-1-X-X-5-070904

26’’ LCD TV Envision L26W761 45 MCLKPC_Audio_R3C1600.1

Page 41 - MISC & Connectors

26’’ LCD TV Envision L26W761 46 VCC 3V3_G9R4K410K 1/1

Page 42 - SIO I/F

26’’ LCD TV Envision L26W761 47 +C940220uF/10VU907AP15

Page 43 - GPIO / Test Block

26’’ LCD TV Envision L26W761 48 9.2 Power Board !R9311

Page 44 - DDR SDRAM Interface

26’’ LCD TV Envision L26W761 49 9.3 Key Board

Page 45 - Audio I/F

26’’ LCD TV Envision L26W761 52. Operating Instructions 2.1 The Use of Remote Control VIDEO

Page 46 - Audio AMP

26’’ LCD TV Envision L26W761 50 10. Exploded View

Page 47 - Power and Regulator

26’’ LCD TV Envision L26W761 51 11. BOM List E267AZNK2WE1NN Location Part No. Description 0

Page 48 - 9.2 Power Board

26’’ LCD TV Envision L26W761 52 0Q1T 940 8120 SCREW 0Q1T 940 8120 SCREW 0Q1T 940 16 4

Page 49 - 9.3 Key Board

26’’ LCD TV Envision L26W761 53 095T 900 42 WIRE HARNESS 095T8021 3D552 WIRE HARNESS 09

Page 50 - 10. Exploded View

26’’ LCD TV Envision L26W761 54 C941 067T215S1024KV EC 105℃ CAP 1000UF M 25V C934 067T215S4713

Page 51 - 11. BOM List

26’’ LCD TV Envision L26W761 55 L6A9 073T 253158 H CHOKE COIL 22UH+/-25% L6B1 073T 253158

Page 52

26’’ LCD TV Envision L26W761 56 R970 061T153M47358F 47K OHM 5% 3W 096T 29 8 TUBE R925 0

Page 53

26’’ LCD TV Envision L26W761 57 R911 061T0805105 RST CHIPR 1 MOHM +-5% 1/8W R973 061T0805123

Page 54

26’’ LCD TV Envision L26W761 58 C920 065T0805102 32 CHIP 1000PF 50V X7R 0805 C912 065T080510

Page 55

26’’ LCD TV Envision L26W761 59 C184 067T 305100 3T 10UF 16V C181 067T 305100 3T 10UF 16V C

Page 56

26’’ LCD TV Envision L26W761 6MAIN MENU 2.2 To Use the Menu 1. Press the MENU button to displ

Page 57

26’’ LCD TV Envision L26W761 60 C733 067T 305471 3T 470UF +-20% 16V C732 067T 305471 3T

Page 58

26’’ LCD TV Envision L26W761 61 C909 067T215Y4707KT 47UF 50V F901 084T 55 4 FUSE 382-5A 25

Page 59

26’’ LCD TV Envision L26W761 62 U261 056T 585 11 AZ1117D-5.0-E1 U601 056T 593 17 NTM2761RB2

Page 60

26’’ LCD TV Envision L26W761 63 RP501 061T 125101 8 RST CHIP AR 8P4R 100 OHM +-5% 1/16W RP

Page 61

26’’ LCD TV Envision L26W761 64 R944 061T0603000 CHIP 0OHM 1/16W R938 061T0603000 CHIP 0OHM 1

Page 62

26’’ LCD TV Envision L26W761 65 R104 061T0603103 CHIP 10KOHM 1/16W R4P8 061T0603103 CHIP 10

Page 63

26’’ LCD TV Envision L26W761 66 R527 061T0603150 RST CHIPR 15 OHM +-5% 1/10W R526 061T060315

Page 64

26’’ LCD TV Envision L26W761 67 R194 061T0603223 CHIP 22KOHM 1/16W R193 061T0603223 CHIP 22

Page 65

26’’ LCD TV Envision L26W761 68 R4G3 061T0603472 CHIP 4.7KOHM 1/16W R4B4 061T0603472 CHIP 4

Page 66

26’’ LCD TV Envision L26W761 69 R955 061T0603473 CHIP 47KOHM 1/16W R961 061T0603473 CHIP 47

Page 67

26’’ LCD TV Envision L26W761 7 1. Contrast: Video contrast adjustment, the tuning range is 0

Page 68

26’’ LCD TV Envision L26W761 70 C6E8 065T0603102 32 CHIP 1000PF 50V X7R C6A4 065T0603102 32

Page 69

26’’ LCD TV Envision L26W761 71 C520 065T0603104 32 CHIP 0.1UF 50V X7R C470 065T0603104 32

Page 70

26’’ LCD TV Envision L26W761 72 C524 065T0603104 32 CHIP 0.1UF 50V X7R C525 065T0603104 32

Page 71

26’’ LCD TV Envision L26W761 73 C438 065T0603104 32 CHIP 0.1UF 50V X7R C439 065T0603104 32

Page 72

26’’ LCD TV Envision L26W761 74 C1B7 065T0603470 32 CHIP 47PF 50V X7R C1D0 065T0603470 32 C

Page 73

26’’ LCD TV Envision L26W761 75 C265 065T1206475 27 MLCC 1206 CAP 4.7UF Z 25V Y5V C20A0 065T

Page 74

26’’ LCD TV Envision L26W761 76 FB105 071T 59B121 BEAD 0603 120 OHM FB108 071T 59B121 BEAD

Page 75

26’’ LCD TV Envision L26W761 77 ZD105 093T 64 37 N V-PORT-0603-100K V05 ZD102 093T 64 37

Page 76

26’’ LCD TV Envision L26W761 78 12. Different Parts List Diversity of E267AZNK2WE1NG compared w

Page 77

26’’ LCD TV Envision L26W761 87. Settings: Restore the default audio settings. FEATURE ME

Page 78 - 12. Different Parts List

26’’ LCD TV Envision L26W761 9 【Setting】restores the default advanced video option settings.

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