Daewoo DLP-26C2, Service Manual

Page: 2 / 74

Contents
1. Safety Precautions 3
2. Product Specification 4
2-1. PRODUCT SPECIFICATION 4
2-2. Available Input Signal 6
3. Block Diagram 7
4. Description of Each Block 8
4-1. Block Diagram of Main IC and TP 8
4-2. Overview 9
4-2-1. Composite video, Y/C(S-Video) and SCART(CVBS, RGB) composite video 9
4-2-2. DTV/DVD signal 11
4-2-3. PC(Personal Computer) signal 13
4-2-4. HDMI signal 15
4-2-5. R/G/B PROCESSING(SCART1, TELETEXT R/G/B) 15
4-2-6. Audio signal processing, KEY, and LED 17
4-3. POWER PCB 22
5. SERVICE MODE 25
5-1. Check initial Menu Data 25
5-2. Entering SERVICE MODE 26
6. WHITE BALANCE Adjusting Method 29
7. Main PCBs Trouble Diagnosis 30
7-1. MAIN PCB Trouble Diagnosis 30
7-1-1. Common checking process when “No signal of Noraster” 30
7-1-2. When No Sound 37
7-1-3. When Control Key does not operate 39
7-1-4. When Remote Controller does not operate 40
7-2. POWER PCB 42
8. Trouble Diagnosis 43
8-1. Facts you must know when Diagnosis and Repairing 43
8-2. Typical Symptoms of PCB problem or bad connection 44
9. Structure of LCD Set 45
10. EXPLODED VIEW 47
11. Part List 53
12. Circuit Diagram 67
-2-