Service Manual
Page 20
DO NOT COPY Page 9-1 File No. SG-0219 SYSTEM OVERVIEW Y driver board Power supply board X driver board Display board Main board EMI filter IR board ATSC Board CONFIDENTIAL - Chapter 9 PDP Trouble Shooting A.
DO NOT COPY Page 9-1 File No. SG-0219 SYSTEM OVERVIEW Y driver board Power supply board X driver board Display board Main board EMI filter IR board ATSC Board CONFIDENTIAL - Chapter 9 PDP Trouble Shooting A.
Service Manual
Page 21
... - PCB PARTS NAME/NUMBER AND FUNCTION DESCRIPTION PART NAME PART NUMBER POWER SUPPLY BOARD X DRIVER BOARD Y DRIVER BOARD AUDIO POWER SELECTOR MAIN BOARD 385001020150 IR BOARD DISPLAY BOARD ATSC BOARD 385000220189 385000220156 385000120187 FUNCTION DESCRIPTION PROVIDE ALL THE POWER FOR TV SET X ELECTRODE DRIVING BOARD Y ELECTRODE DRIVING BOARD AUDIO POWER SUPPLY(+30V OR +24V) CONNECTING TO TRANSFER DISPLY SIGNAL TO PDP SET, AMPLIFIER...
... - PCB PARTS NAME/NUMBER AND FUNCTION DESCRIPTION PART NAME PART NUMBER POWER SUPPLY BOARD X DRIVER BOARD Y DRIVER BOARD AUDIO POWER SELECTOR MAIN BOARD 385001020150 IR BOARD DISPLAY BOARD ATSC BOARD 385000220189 385000220156 385000120187 FUNCTION DESCRIPTION PROVIDE ALL THE POWER FOR TV SET X ELECTRODE DRIVING BOARD Y ELECTRODE DRIVING BOARD AUDIO POWER SUPPLY(+30V OR +24V) CONNECTING TO TRANSFER DISPLY SIGNAL TO PDP SET, AMPLIFIER...
Service Manual
Page 25
Check AC power cord Yes No Power LED is lighting? Check component 1 No (Y signal) ÎC252 Is there sync? Check internal cable? 1.CN1's cable 2.CN3's cable No Check main board CN3 pin 4Î studyby +5V Check CN3 pin 3Î RLY_ON(high) Check CN3 pin 2Î VS_ON(high) No Check Fuse open?... (F2,F3,F4) Yse Check CN1Îpin 1,2,3 = +5V pin 7,8 = +12V No Yes Panel power fail No Fuse fail D10,D11 LED ...
Check AC power cord Yes No Power LED is lighting? Check component 1 No (Y signal) ÎC252 Is there sync? Check internal cable? 1.CN1's cable 2.CN3's cable No Check main board CN3 pin 4Î studyby +5V Check CN3 pin 3Î RLY_ON(high) Check CN3 pin 2Î VS_ON(high) No Check Fuse open?... (F2,F3,F4) Yse Check CN1Îpin 1,2,3 = +5V pin 7,8 = +12V No Yes Panel power fail No Fuse fail D10,D11 LED ...