Service manual

Page 3 of 64
5、White-Balance Adjustment…………………………………………………………………………………
26
5-1 Equipments list and prepare………………………………………………………………………… 26
5-2 Preparation and Adjustment process……………………………………………………………… 26
5-3 Color temperature specification……………………………………………………………………… 26
6、DDC program and test …………………………………………………………………………………… 28
6-1 Equipments list and prepare…………………………... ………………...………………………….. 28
6-2 Program and test process ……………………………………………...………..………………….. 28
7、Flash Update ………………………………………...……………………………………………………..
29
7-1 The list of Instrument……………………………...………………………………………………….. 29
7-2 Flash Update Operation ……………..………...…………………………………………………….. 29
8、Software Flow Chat………………………………………………………………………………………...
32
8-1 Main-loop flow chat…………………………………………………………………………………... 32
8-2 Analog setup flow chat………………………………………………………………………………... 34
8-3 Power on reset flow chat……………………………………………………………………………... 35
9、Block diagram & Explain ..............................……………………..............……………………………...
35
9-1 PDP Block diagram and functions…………………………………………….…….. ……………… 35
9-2 Image board block diagram and signal introduce/process……………………………………..… 36
9-3 Audio board block ……………………………………….. ………..……..……………………..…….. 37
9-3-1 For SAMSUNG Panel……………………….. ………..…….. ………………………..……. 37
9-3-2 For LE Panel………………………………..….. ………..…….. ……………………..……. 37
10、Waveform of signal……………………………..………………..…...…….……………………..…….
38
10-1 Waveform of input signal…………………..….. ………..……. …..…. …. ………………..…… 38
10-2 Testing point and waveform(MGPC)…………………..…..…..……..….…………………..…… 40
11、Check and Measure…………………..….. …………. ….….. …. …….. …. ……………………..……
43
11-1 Image board…………………..….. ……….. …. ……………..……... ……………………..…… 43
11-1-1 Power Check and Measure……………….……..….. ………..…….. …. ……………… 43
111-2 Voltage value of IC necessary…………………..….. ………..……………………..…… 45
11-2 Audio board……………….….. ………..……..….. ………..…….. …. ……………………..…… 45
12、Mechanical of cabinet front dis-assembly ………………………………………………………….
46
13、PCB LAYOUT..………………………………………………………...........................……………...…
47
13-1 Image board PCB LAYOUT.……………………………………………………………………….. 47
13-2 Audio board PCB LAYOUT………………………………………………………………………….. 48
13-3 Tuner board PCB LAYOUT………………………..…. …..………..…….. …………………..…… 49
13-4 Key board PCB LAYOUT……………………..…..…..….. ………..…….. …. ……………..…… 49
14、Schematic diagram …................................................................................................……………..
50