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LCD-TV
Chassis Model
GA46EO LW46G15W




SERVICE Manual

LCD-TV CONTENTS
1. Precautions

2. Product Specifications

3. Disassembly & Reassembly
4. Alignment & Adjustments

5. Troubleshooting

6. Exploded View & Parts List

7. Electrical Parts List

8. Block Diagram

9. Wiring Diagram

10. PCB Layout

11. Schematic Diagrams

12. Panel Description
Samsung Electronics Co.,Ltd.
This Service Manual is a property of 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Kyungki-Do,
Samsung Electronics Co., Ltd. Korea, 443-742
Any unauthorized use of Manual can be Printed in Korea
punished under applicable International P/N :
and/or domestic law. URL : http://itself.sec.samsung.co.kr/
4 Alignments and Adjustments


4 Alignments and Adjustments
4-1. Factory Mode OSD
4-1-1 Entering Factory Mode
a. To enter "Service Mode" Press the remote -control keys in this sequence :

- If you do not have Factory remote - control




b. Adjust separately according to each input mode for factory mode adjustment.

- Mode1 : RF - Mode 2 : EXT 1, 2,3 - Mode 3 : AV, S-Video
- Mode 4 : DVD/DTV(480i/P, 576i/P, 720P_50/60Hz, 1080i-50/60Hz)
- Mode 5 : PC -Mode 6 : DVI, HDMI

Adjust with Offset and other adjustment item in case there is data difference according to item of the same mode.
c. Cancellation method : - Power off => On, Factory reset => Power On

d. Factory OSD Main Menu




07/27T-GAIA46PEU-1000




LW46G15W 4-1
4 Alignments and Adjustments

1. SAA7119




124
60
48




62


123




5
3
3
0
3

Adjusted data should be saved saparately according to each input mode.




4-2 LW46G15W
4 Alignments and Adjustments

2. FALCONIC




3




LW46G15W 4-3
4 Alignments and Adjustments

1. Gm 1601H




128 126




4-4 LW46G15W
4 Alignments and Adjustments

4. DNIe Pro




127




25
5
5




2 1




120


132
127




PC (Mode-6) Mode Adjustment : PC Analog "Grey Scale Pattern" to Auto Color adjustment.
Component (Mode-4,5) Mode Adjustment : Compoent 480p, 1080i Mode to Auto Color DNIe White Balance adjustment.




LW46G15W 4-5
4 Alignments and Adjustments

5. OPTION




14
7




6. Bus Stop Off


7. Panel Adjust




8. Reset




4-6 LW46G15W
4 Alignments and Adjustments

4-2 White Balance in each Mode Cordinates

Mode AV (RF, S-VHS) DVD(480i/p) DTV(720p/1080i) PC (RGB) DVI(DTV)

267,263 + / -2 267,263 + / -2 267,263 + / -2 267,263 + / -2 267,263 + / -2
High
64Ft + / -15 64Ft + / -15 64Ft + / -15 64Ft + / -15 64Ft + / -15
W/B
270,260 + / -5 270,260 + / -5 270,260 + / -5 270,260 + / -5 270,260 + / -5
Low
0.5Ft + / -0.05 0.5Ft + / -0.05 0.5Ft + / -0.05 0.5Ft + / -0.05 0.5Ft + / -0.05

SAA7119 NAICO_Brig 128 x x x x


Gm1601 adc_Red_offset x 50 (Auto Color) 50 (Auto Color) x

Gm1601 adc_Grn_offset x 50 (Auto Color) 50 (Auto Color) x


Gm1601 adc_Blu_offset x 50 (Auto Color) 50 (Auto Color) x


Gm1601 adc_Blu_Gain x 128 (Auto Color) 128 (Auto Color) x


Gm1601 adc_Grn_Gain x 128 (Auto Color) 128 (Auto Color) x


Gm1601 adc_Red_Gain x 128 (Auto Color) 128 (Auto Color) x


(Gm1601) R_Cutoff 128

(Gm1601) G_Cutoff 128

(Gm1601) B_Cutoff 128

DNLePro R_Cutoff Low Light Adjustment (x) Low Light Adjustment (x) Low Light Adjustment (x) 128(Fixed) DTV Adjustment value

DNLePro G_Cutoff 128(Fixed) 128(Fixed) 128(Fixed) 128(Fixed) DTV Adjustment value

DNLePro B_Cutoff Low Light Adjustment (y) Low Light Adjustment (y) Low Light Adjustment (y) 128(Fixed) DTV Adjustment value

DNLePro R_Gain High Light Adjustment (x) High Light Adjustment (x) High Light Adjustment (x) 128(Fixed) DTV Adjustment value

DNLePro G_Gain 128(Fixed) 128(Fixed) 128(Fixed) 128(Fixed) DTV Adjustment value

DNLePro B_Gain High Light Adjustment (y) High Light Adjustment (y) High Light Adjustment (y) 128(Fixed) DTV Adjustment value