AOC N950SW Service Manual

Service Manual

AOC N950SW

SERVICE MANUAL

/
AOC	N950SW

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Service Manual					AOC N950SW
	A00	Mar-16-2011	Initial Release	N950SW	T8BMR9NYAGA1NNJ

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Service Manual		AOC N950SW
1. ............................................................................................................................................		4
1.1	.........................................................................................................................................	4
1.2	.................................................................................................................................	5
1.3	........................................................................................................................................	5
1.4	.........................................................................................................................................	6
1.5	.....................................................................................................................................	7
2. ................................................................................................................................................		9
2.1	.....................................................................................................................................	9
2.2	................................................................................................................................	9
2.3 OSD ..............................................................................................................................		11
3. ......................................................................................................................................		15
4. ..........................................................................................................................................		17
4.1 LCD .........................................................................................................................		17
4.2	Panel .................................................................................................................................	17
4.3	Main ..........................................................................................................................	18
4.4	Power ....................................................................................................................	18
4.5	Software Flow Chart....................................................................................................	19
5. ..............................................................................................................................................		20
5.1	715G4737 .............................................................................................................................	20
5.2	Power 715G4745 .............................................................................................................	25
5.3	key board .........................................................................................................................	28
6. PCB .............................................................................................................................................		29
7. DDC ........................................................................................................................		31
7.1	..............................................................................................................................	31
7.2	DDC/EDID ..........................................................................................................................	37
7.3. ...............................................................................................................................		39
8. ......................................................................................................................................		42
8.1	...............................................................................................................................................	42
8.2	...........................................................................................................................................	45
8.3	...........................................................................................................................................	47
9. ..............................................................................................................................................		48

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	Service Manual		AOC N950SW
	1.
	1.1
	Monitor	Model	AOC N950SW
		Driving system	TFT Color LCD
	LCD Panel	Active Display Area	40 cm for LCD performance, 20 cm for LCD
			failures409.8H*230.4V
		Pixel Pitch	0.2835 mm×0.2835mm
		Video	R,G,B Analog Interface 75ohm,0.7V
	Input
		Separate Sync.	H/V TTL
		H-Frequency	30kHz—81kHz
		V-Frequency	56Hz--75Hz
	Input Connector		D-Sub 15pin
	Display Colors		16.7M Colors
	Dot Clock		136.75MHz
	Max. Resolution		1366x768, 60 Hz
	Plug & Play		VESA DDC2B DDC/CI
		ON Mode	<25W
	Power Consumption	Power Saving Mode	<1W
		Switch OFF	<0.5W
			: 90V ~ 240 V
	Power Source		: 50HZ±, 60HZ±
			Max supply current
	Environmental		Operating Temp: 0° to 40°C
	Considerations		Storage Temp.: -20° to 60°C
			Operating Humidity : 8% to 80%
	Dimensions(including stand)		456.75(W)x375.5(H)x149.8 (D)mm
	Weight (N. W.):		3.50kg
	Safety		FCC B CE mark CCC IEC950CB etc.

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Service Manual								AOC N950SW
1.2
					VESA MODES
								Nominal
		Mode		Resolution		Total		Clock
								(MHz)
				640x480@60Hz		800x525		25.175
		VGA		640x480@72Hz		832x520		31.5
				640x480@75Hz		840x500		31.5
				800x600@56Hz		1024x625		36
		SVGA		800x600@60Hz		1056x628		40
				800x600@72Hz		1040x666		50
				800x600@75Hz		1056x625		49.5
				1024x768@60Hz		1344x806		65
		XGA		1024x768@70Hz		1328x806		75
				1024x768@75Hz		1312x800		78.75
				1280x720@60Hz		1664x748		74.5
		WXGA		1360x768@60Hz		1792x795		85.5
				1366x768@60Hz		1792x798		85.5
1.3
VGA connector
		Pin		Description	Pin No.		Description
		No.
1.				Red Input	9.		+5VDC
2.				Green Input	10.			GND
3.				Blue Input	11.			GND
4.				GND	12.		SDA- DDC-Serial Data
5.				Connection detect	13.		H Sync
6.				Red GND	14.		V Sync
7.				Green GND	15.		SCL- DDC-Serial Clock

8.Blue GND

VGA Connector layout

1

5

6 10 11 15

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Service Manual

AOC N950SW

1.4

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Service Manual

AOC N950SW

1.5

CN1 LVDS

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AOC N950SW

2 CCFL

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Service Manual

AOC N950SW

2.

2.1

VGA DVI PC

2.2

Main	Main	1st Sub	2nd Sub	Description	Adjust	Reset Value
Menu	Menu	Menu	Menu Item		Range
Item	Icon	Item
Power		N/A	N/A	Turn on/off power	N/A	N/A

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Service Manual						AOC N950SW
Menu				To active the OSD window or
		Sub Menu	N/A	to active the highlighted	N/A	N/A
				function.

Auto/Sour	Exit		Return	previous menu, until	N/A
ce/Exit			OSD off
			When monitor is an A-only
			model and OSD is closed,
			presses “Auto/Source/Exit”
			button will be auto configure.				Recall to
	Auto		When monitor is a multi-input		N/A		Pre-set
	Config.	N/A	and under D-SUB input,				Value
			presses “Auto/Source/Exit”
			button	continuously 2
			seconds, will to do Auto
			Configure.
			When monitor is a multi-input
	Source		model and OSD is off, presses		N/A		D-SUB
	select		“Auto/Source/Exit” button will
			show input select menu.
┼							Reset to
							“Wide” for
	Image		Select 4:3 or wide format for		4:3	or	wide panel;
		N/A					Reset
	Ratio		display		wide		to”4:3” for
							normal
							panel
─			Standard mode		Brightness=90
					Contrast=50
	Eco Mode	N/A	Text mode		Contrast=50Brightness=20		Recall to
							standard
					Brightness=40
							mode
					Contrast=50

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OSD-

OSD MENU OSD

MENU

2.3 OSD

Main	Main	1st Sub	2nd Sub	Description	Adjust	Reset Value
Menu	Menu	Menu	Menu Item		Range
Item	Icon	Item
Luminanc				Backlight Adjustment		Recall
e		Brightness	N/A	Each step will increase /	0-100	Brightness
				decrease value by 1		Value 90
				Contrast from Digital-register.		Recall
		Contrast	N/A	Each step will increase /	0-100	Contrast
				decrease value by 1		Value 50
					Standard
					Text	Recall
					Internet
		Eco Mode	N/A	Picture Adjustment		Standard
					Game
						Value
					Movie
					Sports
					Gamma1
					(2.2)
		Gamma	N/A	Gamma Adjustment	Gamma2	Recall Gamma1
					(2.0)	Value
					Gamma3
					(2.4)
		DCR	N/A	Dynamic contrast ratio	ON/OFF	Recall OFF
						Value
Image				Adjust picture Clock to reduce
Setup		Clock	N/A	Vertical-Line noise.	0-100	Do Auto
				Each step will		Config.
				increase/decrease value by 1

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Service Manual							AOC N950SW
					Adjust Picture Phase to reduce
					Horizontal-Line noise.		Do Auto
		Phase	N/A		Each step will	0-100
							Config.
					increase/decrease value by 1 or
					2
					Adjust picture sharpness, Each		Recall
		Sharpness	N/A		step will increase / decrease	0-50	Sharpness
					value by 10		Value 50
		H.			Adjust the horizontal position		Do Auto
			N/A		of the picture. Each step will	0-100
		Position					Config.
					increase / decrease value by 1
					Adjust the vertical position of
		V. Position	N/A		the picture. Each step will	0-100	Do Auto
					increase / decrease value by 2		Config.
					or 3
Color			Warm		Recall Warm Color	N/A
Setup			(6500K)		Temperature from EEPROM.
			Normal		Recall Normal Color	N/A
			(7300K)		Temperature from EEPROM.
			Cool		Recall Cool Color Temperature	N/A	The Color
			(9300K)		from EEPROM.		Temperature
		Color	sRGB(fo
							will be set to
		Temp	r	the
							Warm.
			model		Recall sRGB Color
						N/A
			with		Temperature from EEPROM.
			sRGB
			function)
			User		Recall User Color Temperature	N/A
					from EEPROM.
			Full		Red/Green/Blue Gain	ON/OFF	Recall OFF
			Enhance				Value
			Nature		Red Gain from Digital-register.	ON/OFF	Recall OFF
			Skin				Value
		DCB	Green		Green Gain from	ON/OFF	Recall OFF
		Mode	Field		Digital-register.		Value
			Skyblue		Blue Gain from	ON/OFF	Recall OFF
					Digital-register.		Value
			Auto		Auto gain for input signal	ON/OFF	Recall OFF
			Detect				Value
		DCB	N/A		Enhance Area in half Picture	ON/OFF	Recall OFF
		Demo					Value

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Service Manual						AOC N950SW
				Red gain from Digital-register.
		Red	N/A	Each step will increase /	0-100	The User
				decrease value by 1		R/G/B
		Green	N/A	Green gain from	0-100	value(default
				Digital-register.		is 50) will not
				Each step will increase /		be modified
				decrease value by 1		by reset
						function in
				Blue gain from Digital-register.
		Blue	N/A	Each step will increase /	0-100	user mode.
				decrease value by 1
		“Color Temp.” The sequence follows” Warm-Normal-Cool-sRGB-User”, and
		default is Warm mode.
Picture		Bright	N/A	Enable/Disable Bright Frame	ON/OFF	Recall OFF
Boost		Frame				Value
		Frame	N/A	Adjust the Size of the Frame	14-100	Recall 14
		Size				Value
		Brightness	N/A	Brightness Adjustment for	0-100	Recall 50
				Enhance Area		Value
		Contrast	N/A	Contrast Adjustment for	0-100	Recall 50
				Enhance Area		Value
		H.	N/A	Adjust the horizontal position	0-100	Recall 0
		Position		of the Frame		Value
		V. Position	N/A	Adjust the vertical position of	0-100	Recall 0
				the Frame		Value
OSD					English
Setup					Français
					Español
					Portuguê	No need to
					s	recall
					Deutsch	language
					Italiano	while press
				Set OSD display language to	Nederlan	“RESET”.
		Language	N/A	English. English is default	ds	If customer
				setting	Svenska	have different
					Suomi	request,
						please refer to
					Polski
						customer
					Čeština
					Русский	request

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Service Manual

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Remarks for OSD Language:

16 Languages: English, France, Spanish, Portuguese, German, Italian, Dutch, Swedish, Finnish, Polish, Czech, Russia, Korea, TChina, SChina, Japanese.

			Adjust the OSD timeout.		Recall 10
	Timeout	N/A	Each step will increase /	5-120
					Value
			decrease value by 5
	H.		Adjust the horizontal position		Recall 50
		N/A	of the OSD. Each step will	0-100
	Position				Value
			increase / decrease value by 25
			Adjust the vertical position of		Recall 0
	V. Position	N/A	the OSD. Each step will	0-100
					Value
			increase / decrease value by 5
	Transparen		Adjust the OSD transparent		Recall 25
		N/A	each step will increase/decrease	0-100
	ce		value by 25		Value
	Input	NA	Select D-SUB signal source as	D-SUB	D-SUB
	Select		input
			Auto the H/V Position, Focus	YES
	Auto		and Clock of picture.
		N/A			N/A
	Config		Do not execute Auto Config,	NO
			return to main menu
	OFF timer	N/A	Select DC off time	0-24 hrs	Recall 0
					Value
			Select wide format for display	wide	Reset to
					“Wide” for
	Image	N/A			wide panel;
	Ratio		Select 4:3 format for display	4:3	Reset to “4:3”
					for normal
					panel
	DDC/CI	N/A	Support DDC/CI Function	YES	Yes
			Unsupported DDC/CI Function	NO
			Clear each old status of
			Auto-configuration and set the	YES	N/A
	Reset	N/A	color temperature to Warm
			Do not execute reset, return to	NO
			main menu.
Exit	Exit	N/A	Exit the main OSD	N/A	N/A

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3.

2

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	Service Manual	AOC N950SW

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	Service Manual		AOC N950SW
	4.
	4.1 LCD
	Monitor Block Diagram
			2-FCC backlight
			Panel1366*768
			LVDS
	DC-AC inverter		Main Board
	AC-DC(5V/16V)
			715G4737-M01
	Power Board
		Key board	PCVGA
	AC supply		/DDC
	90V-264V
			Input signal
	4.2 Panel

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