Samsung 920NW Service Manual - Page 3

Contents, Exploded View and Parts List - inverter

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Contents 1. Precautions ...1-1 1-1 Safety Precautions ...1-1 1-2 Servicing Precautions ...1-2 1-3 Electrostatically Sensitive Devices (ESD) Precautions 1-2 1-4 Installation Precautions ...1-3 2. Product specifications ...2-1 2-1 Fashion Feature...2-1 2-2 Specifications ...2-1 2-3 Option Specification ...2-2 3. Alignments and Adjustments ...3-1 3-1 Required Equipment ...3-1 3-2 Automatic Color Adjustment ...3-1 3-3 DDC EDID Data Input ...3-1 3-4 How to execute DDC ...3-2 3-5 How to execute MCU Code ...3-3 4. Troubleshooting ...4-1 4-1 Common Acknowledge ...4-1 4-2 No Power & Power LED Off ...4-2 4-3 DC output voltage is unstable ...4-3 4-4 Output power is unstable ...4-4 4-5 Backlight can't be turned on ...4-5 4-6 Black Screen and backlight turn on ...4-6 4-7 White Screen ...4-7 4-8 Bad Screen ...4-8 5. Exploded View and Parts List ...5-1 6. Electrical Parts List ...6-1 7. Block Diagram ...7-1 7-1 Power tree ...7-1 7-2 Mainboard part ...7-2 7-3 IP Board Part(SMPS Part) ...7-2 7-4 IP BOARD part(Inverter Part) ...7-3 8. Wiring Diagram ...8-1

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1.
Precautions
………………………………………………………………………………………………………………………………………
1-1
1-1 Safety Precautions
……………………………………………………………………………………………………………………… 1-1
1-2
Servicing Precautions
…………………………………………………………………………………………………………………… 1-2
1-3
Electrostatically Sensitive Devices (ESD) Precautions
……………………………………………………………………………… 1-2
1-4
Installation Precautions
………………………………………………………………………………………………………………… 1-3
2.
Product specifications
…………………………………………………………………………………………………………………………
2-1
2-1 Fashion Feature…………………………………………………………………………………………………………………………… 2-1
2-2 Specifications ……………………………………………………………………………………………………………………………… 2-1
2-3 Option Specification
……………………………………………………………………………………………………………………… 2-2
3. Alignments and Adjustments
…………………………………………………………………………………………………………………
3-1
3-1 Required Equipment
…………………………………………………………………………………………………………………… 3-1
3-2 Automatic Color Adjustment
…………………………………………………………………………………………………………… 3-1
3-3 DDC EDID Data Input
…………………………………………………………………………………………………………………… 3-1
3-4 How to execute DDC
…………………………………………………………………………………………………………………… 3-2
3-5 How to execute MCU Code ……………………………………………………………………………………………………………… 3-3
4.
Troubleshooting
………………………………………………………………………………………………………………………………
4-1
4-1 Common Acknowledge
……………………………………………………………………………………………………………………4-1
4-2 No Power & Power LED Off
…………………………………………………………………………………………………………… 4-2
4-3 DC output voltage is unstable …………………………………………………………………………………………………………… 4-3
4-4 Output power is unstable ………………………………………………………………………………………………………………… 4-4
4-5 Backlight can't be turned on
…………………………………………………………………………………………………………… 4-5
4-6 Black Screen and backlight turn on
…………………………………………………………………………………………………… 4-6
4-7 White Screen
……………………………………………………………………………………………………………………………… 4-7
4-8 Bad Screen ………………………………………………………………………………………………………………………………… 4-8
5.
Exploded View and Parts List
………………………………………………………………………………………………………………
5-1
6.
Electrical Parts List
……………………………………………………………………………………………………………………………
6-1
7.
Block Diagram
…………………………………………………………………………………………………………………………………
7-1
7-1 Power tree
…………………………………………………………………………………………………………………………………7-1
7-2 Mainboard part
……………………………………………………………………………………………………………………………7-2
7-3 IP Board Part(SMPS Part)
………………………………………………………………………………………………………………7-2
7-4 IP BOARD part(Inverter Part)
……………………………………………………………………………………………………………7-3
8.
Wiring Diagram
…………………………………………………………………………………………………………………………………
8-1
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