AOC L42H961 Service Manual

42ƎLCD TV AOC L42H961
1
Service
Service
Service
Horizontal Frequency
31.5~68 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
6.2 Power Board…..……...…..…….…….…….......34
6.3 Inverter Board…..…………….…….……….......40
6.4 Key Board……………………..……..………......40
6.5 IR Board………………………….……..……......41
7.Adjustment……..……..…………………...............42
8.Block Diagram.…..…...........................................45
9.Schematic…………...…………....…………..…...46
9.1 Main Board……..…….…...………………..........46
9.2 Power Board….……..…..………...………….....70
9.3 Inverter Board.….……….………...………….....76
9.4 Key Board……..……………….…………….......77
9.5 IR Board……….……….……….……………......78
10.Exploded View….………………………………...79
11.BOM List………….…….…...………….………....80
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……..………………..…….……...11
2.4 Front Panel Control Knobs…..….………….……..17
3.Input/Output Specification……………....................18
4.Mechanical Instructions…………..…………...........20
5.Repair Flow Chart ……………….………….…….....23
6.PCB Layout ………………..……..………....…........30
6.1 Main Board……..………………...….….……........30

AOC L42H961 Specifications

General

Comb filter	3D
Response time	6.5 ms
Display diagonal	42 \
Display brightness	500 cd/m²
Display technology	LCD
Native aspect ratio	16:9
Contrast ratio (dynamic)	25000:1
Contrast ratio (typical)	1500:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	176 °
Supported graphics resolutions	1920 x 1080 (HD 1080)
Manual	Yes
Package depth	299 mm
Package width	1172 mm
Package height	858 mm
Package weight	25900 g
Certification	FCC, cULus, ROHS, EPA3.0
RF ports quantity	1
HDMI ports quantity	4
SCART ports quantity	0
Card reader integrated	No
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
S-Video inputs quantity	2
Headphone connectivity	3.5 mm
Sustainability certificates	ENERGY STAR
Product color	Black
LED indicators	Y, Stand-by
Panel mounting interface	200 x 200 mm
Cables included	AC
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (typical)	250 W
Tuner type	Analog & digital
Analog signal format system	NTSC
Digital signal format system	ATSC

Weight and Dimensions

Depth (with stand)	275.5 mm
Width (with stand)	1015.3 mm
Height (with stand)	677.5 mm
Weight (with stand)	21000 g
Depth (without stand)	97.7 mm
Height (without stand)	648.6 mm
Weight (without stand)	18200 g