Samsung 932BW, 932GW Service manual

2 Product Specifications

2 Product Specifications

2-1 Fashion Feature

-. Minimalism Design Something New

-. Boltless Model (Clean Cut & Soft Surface)

-. New Ball Hinge

-. Color Variation. White, Black

2-2 Specifications

Item	Description
LCD Panel	TFT-LCD panel, RGB vertical stripe, normally black transmissive,
	19-Inch viewable, 0.294 (H) x 0.294 (V) mm pixel pitch
Scanning Frequency	Horizontal : 30 kHz ~ 81 kHz (Automatic)
	Vertical : 56 Hz ~ 75 Hz (UXGA : 60 Hz)
Display Colors	16.2 Million colors
Maximum Resolution	Horizontal : 1440 Pixels
	Vertical : 900 Pixels
Input Signal	Analog / Digital / Digital with HDCP
Input Sync Signal	Seperate H/V sync, Composite H/V, Sync-on-Green, Automatic synchroniza
	tion whitout external swith of sync type
	Level : TTL level
Maximum Pixel Clock rate	135 MHz
Active Display	376.3(H) x 301.05(W) mm
Horizontal/Vertical
AC power voltage & Frequency	AC 90 ~ 264 Volts, 60/50 Hz
Power Consumption	38W (Max)
Dimensions
Set (W x D x H)	17.7 x 14.7 x 7.8 inch (449 x 374 x 199 mm) (With stand)
	17.7 x 12.8 x 2.6 inch (449 x 325 x 67 mm)
Weight (Set/Package)	4.1kg / 5.4kg
Environmental Considerations	Operating Temperature : 0˚F ~ 122˚F (0 ~ 50 )
	Operating Humidity : 20% ~ 90%
	Storage temperature : -4˚F ~ 149˚F (-20 ~ 65 )
	Storage Humidity : 5% ~ 90%

- Designs and specifications are subject to change without prior notice.

2-1

2 Product Specifications

2-4 Spec Comparison

	Model		LS19PEJ			LS19PFW
	Design
	Frequency
	Horizontal		30 ~ 81 kHz			30 ~ 81 kHz
	Vertical		60 ~ 75 Hz			60 ~ 75 Hz
	Display Color		16,2M colors			16,7M colors
	PC Resolution		1440 x 900 @ 60 Hz			1440 x 900 @ 60 Hz
	Maximum mode		1440 x 900 @75 Hz			1440 x 900 @75 Hz
	Input Signal		Analog / Digital / Digital with HDCP			Analog / Digital
	Sync Signal		Seperate, Composite,			Seperate, Composite,
			Sync-on-Green			Sync-on-Green
	Power
	Consumption		42W			42W
	Normal
	Power Saving		< 1W			< 1W
	Response Time		2ms(G to G)			2ms(G to G)
	Anion Option		None			None
	Magic Color		Support			Support

2-2

2 Product Specifications

2-5 Option Specification
Item	Item Name	CODE.NO	Remark
	Quick Setup Guide	BH68-00376L
	Warranty Card
	(Not available in all	BH68-00633A
	locations)
	User's Guide,
	Monitor Driver,	BN59-00585N
	Natural Color software,
	MagicTune™ software
	D-Sub(15 Pin)	BN39-00244B
	Cable
	Power Cord	3903-000042
	Cleaning Cloth	BN63-02368A	(Black / High
			Glossy Model only)
	DVI Cable	BN39-00246F	Sold separately
			2-3

2 Product Specifications

Memo

2-4

3 Alignments and Adjustments

3 Alignments and Adjustments

This section of the service manual explains how to use the DDC MANAGER JIG. This function is needed for AD board change and program memory (IC110) change.

3-1 Required Equipment

The following equipment is necessary for adjusting the monitor:

-Computer with Windows 95, Windows 98, Windows 2000, Windows XP or Windows NT

-MTI-2055, 2058, 2059 DDC Manager Jig

3-2 Automatic Color Adjustment

To input video, use 16 gray or any pattern using black and white.

1.Select english for OSD language.

2.Press the " (Enter/Source)" key for 5 seconds.

3-3 DDC EDID Data Input

1.Input DDC EDID data when replacing AD PCB.

2.Receive/Download the proper DDC file for the model from HQ quality control department. Install the below jig (Figure 1) and enter the data.

Parallel Connector

(25P Cable)

Parallel Connector

(25P Cable)

Connect Monitor

Signal Cable

Figure 1.

3-4 OSD Adjustment When Replacing Panel

1.Adjust brightness and contrast to 0. Then, press the (Enter/Source) key for 5 seconds. Service function OSD will appear on screen.

2.Press the + key to place the cursor on the panel. Press the menu key for 5 seconds.

3-5 OSD Adjustment When Replacing Lamp Only

1.Adjust brightness and contrast to 0. Then, press the exit key for 5 seconds. Service function OSD will appear on the screen.

2.Press the + key. Select upper lamp and press the menu key for 5 seconds. Then, select lower lamp and press the menu key for 5 seconds.

-Note : Please be sure to read the following instructions for details on service function.

3-1

3 Alignments and Adjustments

3-6 Service Function Spec.

3-6-1 How to Display Service Function OSD

1.The value for brightness and contrast should be changed to zero.

2.Within 5 seconds, press the (Enter/Source) key.

3.Service function OSD will be displayed.

-If you want to disable the service function OSD, you will have to power off.

Panel Information

Software Version

Checksum

Figure 2. The example of service function OSD

The service function OSD is based on a grid of 29 columns x 12 rows.

The service function OSD consists of panel information, software version and MICOM checksum.

3-6-2 How to Control Service Function OSD

1.With the panel selected on OSD, whenever you press the right key, the base color will change to blue from "Panel" to "Upper Lamp", "Lower Lamp".

Figure 2.

3-2

3 Alignments and Adjustments

3-6-3 How to Control Service Function OSD

-After changing the panel or lamp, you must reset service function OSD. -The case of panel change

After changing the panel, press the menu key within 5 seconds,.

Then, panel Ch. No increases one step and the panel time information is reset to zero. Simultaneously, other information is reset to zero (Upper/Lower lamp, Panel cycle).

Figure 4.

3-6-4 How to Control Service Function OSD

-In the case of Upper Lamp or Lower Lamp change

After changing the Upper Lamp or Lower Lamp,

1.Select the Upper Lamp or Lower Lamp

2.Press the Menu key within an 5 seconds.

Then, Ch. No and time will be reset to zero (selected item only).

Figure 5, 6.

3-3

3 Alignments and Adjustments

3-7 How to execute DDC

1.Click the Open icon

2.Select Two EDID.

3.Select a DDC file.

4.Select week 5.Click Next (OK).

6. Enter the serial number and press the Enter key.

*After entering the analog data, repeat the procedure above 2 to 5 times to enter digital data.

3-4

3 Alignments and Adjustments

3-8 How to execute MCU Code

3-8-1 Program Setting - Config Setting

1. Set the options.

-. Manufacture : MSTAR

-. Device Type :TSUM16_ROM128K_ext_flash -. Communication Port : DSUB15 (Analog)

-. External Memory : PMC25LV010E

2. Click 'LoadFile' button, and select the MCU code.

3-5

3 Alignments and Adjustments

3. Click 'Auto Program' button.

4. If Program and Verify is OK, turn off the hard power and than turn on again.

3-6

3 Alignments and Adjustments

3-9 How to Execute HDCP Code

1. Execute 'service.exe'.

2. Click 'HDCP' button.2. Click 'HDCP' button.

3-7

3 Alignments and Adjustments

3. Click ' HDCP Write' button and select 'MStar_HDCPKEY'.

4. HDCP KEY writing is Complete.

3-8

4 Troubleshooting

4 Troubleshooting

Notes: 1. Before troubleshooting, setup the PC's display as below.

•Resolution: 1440 x 900

•H-frequency: 45 kHz

•V-frequency: 60 Hz

2.If no picture appears, make sure the power cord is correctly connected.

3.Check the following circuits.

•No raster appears: Function PBA, Main PBA, I/P PBA

•5V develop but no screen: Main PBA

•5V does not develop: I/P PBA

4.If you push and hold the " (Enter/Source)" button for more than 5 seconds, the monitor automatically returns to the factory preset.

4-1 No Power

						Check Function Ass'y.
			Yes
When Pin 4 of CN600 is 0V					No
does proper DC 5V, 14V						Change IP Board.
appear at Pin 6, 7 of
CN600 separately?
		Yes
When Pin 1 of IC601 is DC 5V					No
does proper DC 3.3V appear at						Check IC601 and related circuit.
Pin 3 of IC603?
		Yes
When Pin3 of IC602 is DC 5V					No
						Check IC602 and related circuit.
does proper DC1.8V appear at
Pin2 of IC602?

4-1

4 Troubleshooting

4-2 No Video (ANALOG)

Check signal cable connection and power.

	X1 oscillate properly?						No
1
					Yes
							No
	Is there R, G, B input at
	R111, R114 and R118?
					Yes
Is there Hsync, Vsync waveform							No
		2			3
	at Pin 32, 33 of IC 200?
					Yes
Does the output signal appear							No
	at Pin 8~30 of CN400?
					Yes
There are DC 5V at Pin 1,							No
	2 and 3 of CN400?

Yes

Replace LCD Panel.

Replace or check related circuit.

Check input part.

Check IC200 and related circuit.

Check CN400 and related circuit.

Check PANEL_EN SIGNAL at R222 is High(On:High) and BL_EN signal at R603(ON:Low) is Low

4-2

4 Troubleshooting

WAVEFORMS

1

2

3

C	B	C	B
E		E
		128	127	126	125	124	123	122	121	120	119	118	117	116	115	114	113	112	111	110	109	108	107	106	105	104	103
	1	GND		VDDC	GPIO P13/PWM2	GPIO P07	GPIO P06	GPIO P03/S AR 3	GPIO P02/S AR 2	GPIO P01/S AR 1	GPIO P00/S AR 0	NC	NC	NC	NC	VDDP	GND	VDDP	NC	NC	GPIO P25	R ST	VDDP	GND	GND	VDDC	VCTRL	BYPAS S	102
C	2	GPIO_P14/PXINWM0XOUT																										GND	101
	3																												100
		GPIO_P15																										LVB0M
B	4	GPIO_P16																										LVB0P	99
	5	DDCD_SDA																										LVB1M	98
E	6	DDCD_SC L																										LVB1P	97
	7	R EXT																										LVB2M	96
	8	AVDD_33																										LVB2P	95
	9	R X2P																										LVBCKM	94
	10	R X2N																										LVBCKP	93
	11	GND																										LVB3M	92
	12	R X1P																										LVB3P	91
	13	R X1N																										LVB4M	90
	14	AVDD_33																										LVB4P	89
	15	R X0P																										GND	88
	16	R X0N																										VDDP	87
	17	GND																										LVA0M	86
	18	R XC KP																										LVA0P	85
	19	R XC KN																										LVA1M	84
	20	AVDD_33																										LVA1P	83
	21	AVDD_18																										LVA2M	82
	22	BIN0M																										LVA2P	81
	23	BIN0P																										LVACKM	80
	24	GIN0M																										LVACKP	79
	25	GIN0P																										LVA3M	78
	26	S OGIN0																										LVA3P	77
	27	R IN0M																										LVA4M	76
	28	R IN0P																										LVA4P	75
	29	GND																										VDDC	74
	30	R EFM																										GPIO_P04	73
	31	R EFP																										GND	72
	32	HSYNC 0																										VDDP	71
	33	VSYNC 0																										NC	70
	34	DDCA_S DA/R S232_TX																										GND	69
	35	DDCA_S CL/R S232_R X																										GND	68
	36	GPIO_P22/PWM1																										NC	67
	37	MODE												GPIO P24/PWM2							AVDD ME MPLL							VDDP	66
	38	I2C _MDA																										VDDP	65
		I2C MCL	VDDP	S DO	C SZ	S CK	S DI	GPIO	GPIO	GPIO	GPIO	GPIO	GPIO		GND	VDDC	VDDP	NC	NC	NC		VDDP	VDDP	NC	GND	GND	NC
		39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64
																													4-3

4 Troubleshooting

4-3 No Video (DIGITAL")

Check signal cable connection and power.

X1 oscillate properly?

No

1

Yes

Is there R, G, B input at

No

6

4

5

R100,

R101,

R102,

R106 and R108?

Yes

Is there waveform

No

7

R107?

at R106,

Yes

Does the output signal

No

appear at Pin 8~30

of CN400?

Yes

There are DC 5V at Pin 1,

No

2 and 3 of CN400?

Yes

Replace LCD Panel.

Replace or check related circuit.

Check input part.

Check input part.

Check IC400 and related circuit.

Check the PANEL_EN signal at R222 and BL_EN signal at R603.

4-4

4 Troubleshooting

WAVEFORMS

1

4

5

6

C	B	C	B
E		E
		128	127	126
		XIN	XOUT	VDDC
	1	GND
	2	GPIO_P14/PWM0
C	3
		GPIO_P15
	4
B		GPIO_P16
	5	DDCD_SDA
E	6	DDCD_SC L
	7	R EXT
	8	AVDD_33
	9
		R X2P
	10	R X2N
	11	GND
	12	R X1P
	13	R X1N
	14	AVDD_33
	15	R X0P
	16	R X0N
	17	GND
	18	R XC KP
	19	R XC KN
	20	AVDD_33
	21	AVDD_18
	22	BIN0M
	23	BIN0P
	24	GIN0M
	25	GIN0P
	26

4-5

4 Troubleshooting

Memo

4-6

5 Exploded View & Parts List

5 Exploded View and Parts List

-You can search for updated part codes through ITSELF web site.

URL : http://itself. sec. samsung.co.kr

5-1 Exploded View

M0014

T0003	M0174	T0514
	M0215

M0006

M0013

M0013

5-1

5 Exploded View & Parts List

5-2 Parts List

Location	Code.No	Item & Specification	Q'ty	SA/SNA	Remark
T0003	BN96-05098A	ASSY COVER P-FRONT;LS19PEW (932GW),H/GLO	1	S.A
M0215	BN07-00414A	LCD-PANEL;LTM190M2-L31-9,Pebble,6bit Hi-	1	S.A
M0174	BN44-00121J	IP BOARD;PWI1904SJ(D),Pebble,3.0 ~5.0mA,	1	S.A
T0514	BN61-02784A	BRACKET-SUPPORT;PEBBLE,SPTE,0.3	1	S.N.A
M0014	BN94-01300M	ASSY PCB MAIN-SEDA,FUCHION PCB;PABBLE*	1	S.N.A
M0006	BN96-05102A	ASSY SHIELD P-COVER;LS19PEW (WIDE),SECC,	1	S.N.A
M0013	BN96-05100A	ASSY COVER P-REAR;LS19PEW (WIDE),H/GLOSS	1	S.A
M0013	BN96-04150D	ASSY STAND P-BAR;PEBBLE17,ABS HB,BK26,SF	1	S.A

5-2

6 Electrical Parts List

6 Electrical Parts List

6-1 Parts List

Level	Loc. No.	Code No.	Description & Specification	Q'ty	SA/SNA	Remark
		LS19PEJSFV/EDC	932GW,WGB2/S19P2-LPE,19,LCD-MO,NETHERLAN
0.1	M0001	BN90-01280A	ASSY COVER FRONT;LS19PEJSFV/EDC,WIDE	1	S.N.A
..2	T0003	BN96-05098A	ASSY COVER P-FRONT;-,LS19PEW (932GW),H/G	1	S.A
...3	M0081	6003-000282	SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SW	2	S.A
...3		BN61-02829A	GUIDE-PANEL;PEBBLE,SECC,0.5,LS19PEB	1	S.N.A
...3	CCM1	BN63-02183D	COVER-SHEET;Rhcm,PE Vinyl,T0.05,680mm,20	0.5	S.N.A
...3	M0112	BN63-03405A	COVER-FRONT;LS19PEW,ABS,HB,BK26,H/GLOSSY	1	S.N.A
...3	T0022	BN64-00534B	KNOB CONTROL;PEBBLE,ABS,HB,BK26	1	S.N.A
...3	T0023	BN64-00597B	KNOB POWER;PEBBLE,black highglossy	1	S.N.A
...3	M0130	BN67-00193A	LENS LED;PEBBLE,ABS HB,CLR	1	S.N.A
...3	M0145	BN96-04363A	ASSY BOARD P-FUCNTION;Pebble,SJ06-01-023	1	S.A
....4	M0014	BN94-01300M	ASSY PCB MAIN-SEDA,FUCHION PCB;PABBLE*	1	S.N.A
.....5	M2893	BN39-00774A	LEAD CONNECTOR;Pebble,UL1061#28,UL/CSA,3	1	S.A
.....5	M2893	BN39-00788A	LEAD CONNECTOR;Pebble,UL1061#28,4PIN,300	1	S.A
.....5	T0238	BN97-01597B	ASSY AUTO;PEBBLE*	1	S.N.A
......6	T0313	3404-000299	SWITCH-TACT;12V,50mA,120gf,6x6x4.3mm,SPS	5	S.A
......6	T0174	BN97-01589M	ASSY SMD;PABBLE	1	S.N.A
.......7	R5	2007-000122	R-CHIP;1.2Kohm,5%,1/10W,TP,1608	1	S.A
.......7	R7	2007-000122	R-CHIP;1.2Kohm,5%,1/10W,TP,1608	1	S.A
.......7	R6	2007-000123	R-CHIP;1.5Kohm,5%,1/10W,TP,1608	1	S.A
.......7	R8	2007-000123	R-CHIP;1.5Kohm,5%,1/10W,TP,1608	1	S.A
.......7	R1	2007-001157	R-CHIP;750ohm,5%,1/10W,TP,1608	4	S.A
.......7	R2	2007-001157	R-CHIP;750ohm,5%,1/10W,TP,1608	1	S.A
.......7	R3	2007-001157	R-CHIP;750ohm,5%,1/10W,TP,1608	1	S.A
.......7	R4	2007-001157	R-CHIP;750ohm,5%,1/10W,TP,1608	1	S.A
.......7	C1	2203-000189	C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608	3	S.A
.......7	C2	2203-000189	C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608	1	S.A
.......7	C3	2203-000189	C-CER,CHIP;100nF,+80-20%,25V,Y5V,1608	1	S.A
.......7	PCB	BN41-00793B	PCB SUB-FUNCTION;Pebble,FR-1,1,1.1,1.6,8	1	S.N.A
....4		BN94-01310C	ASSY PCB MISC-SEDA,POWER,BN96-;PABBLE	1	S.N.A
.....5	L0405	0601-001896	LED;SMD,BLUE,1.6x0.8x0.4mm,470,1.6x0.8x0	1	S.A
.....5	L0405	0601-001896	LED;SMD,BLUE,1.6x0.8x0.4mm,470,1.6x0.8x0	1	S.A
.....5	L0405	0601-001896	LED;SMD,BLUE,1.6x0.8x0.4mm,470,1.6x0.8x0	1	S.A
.....5	L0405	0601-001896	LED;SMD,BLUE,1.6x0.8x0.4mm,470,1.6x0.8x0	1	S.A
.....5	T0313	3404-001207	SWITCH-TACT;12V,50mA,160gf,6.2X6.2,SPST	1	S.A
.....5	SUBPCB	BN41-00791A	PCB SUB-POWER;Pebble,FR-1,1,1.0,1.6,36*1	1	S.N.A
0.1	M0002	BN90-01281A	ASSY COVER REAR;LS19PEJSFV/EDC,WIDE	1	S.N.A
..2	M0013	BN96-05100A	ASSY COVER P-REAR;-,LS19PEW (WIDE),H/GLO	1	S.A
...3	M0081	6003-001003	SCREW-TAPTITE;BH,+,B,M4,L12,ZPC(BLK),SWR	4	S.N.A
...3	T0060	BN61-02830A	SPRING ETC;PEBBLE,SK5,1.0,LS19PEB,HRC 45	1	S.N.A
...3	CCM1	BN63-02183D	COVER-SHEET;Rhcm,PE Vinyl,T0.05,680mm,20	0.5	S.N.A
...3	M0014	BN63-02880B	COVER-STAND BAR;PEBBLE,ABS HB,T2.6,BK26,	1	S.N.A

6-1