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KE-42MR1/42MR1E/MR42M1
PANEL MODULE SERVICE MANUAL
PDP Module Name
KE-42MR1 AEP Model
NP42D2MF01
KE-42MR1 K Model
NP42D3MF01
KE-42MR1E HK Model
KE-42MR1E ME Model
KE-MR42M1 CH Model
FLAT PANEL COLOR TV
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Contents 1. Confirmation Common Manual ･･･････････････････････ P1 ～P20 2. Confirmation Manual ･･････････････････････････････ P21 ～P44 3. Repair Manual ････････････････････････････････････ P45 ～P63 4. THE PARTS INFORMATION ････････････････････････････ P64 ～P65
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PDP (NP series) Confirmation Common Manual Ver.1 1
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PDP Malfunction Phenomenon No Picture Power-off Alarm protection When you turn-on the main power, the LED light-off after few minutes. Go to Page 8 due to check more details. Power-on No Priming The LED is lighting, but The priming does not appear on Malfunction not appear pictures. screen. Phenomenon Go to Page 10 due to check more details. No Signal The priming is on screen, but not appear pictures. Go to Page 10 due to check more details. 2
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PDP Malfunction Phenomenon Abnormal Screen Abnormal Color No lighting sell are on screen at white pattern. Go to Page 11 due to check more details. Abnormal Block Colorful blocks appear on screen at color bar pattern. Go to Page 11 due to check more details. 3
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PDP Malfunction Phenomenon Vertical Vertical Line Single Line Only one line is always lighting. Go to Page 12 due to check more details. Two Lines two lines are lighting. Go to Page 13 due to check more details. Many Lines Many lines are lighting. Go to Page 14 due to check more details. 4
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PDP Malfunction Phenomenon Vertical Vertical Block One Black Block One block is always no- lighting by one IC. Go to Page 15 due to check more details. One Zebra Block Zebra block appears by one IC. Go to Page 16 due to check more details. Many Black Blocks Many block appear by one data relay board. Go to Page 16 due to check more details. 5
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PDP Malfunction Phenomenon Horizontal Horizontal Line One Black Block One black line appears on screen. Go to Page 17 due to check more details. Two Lines Two lines appear on screen. Go to Page 18 due to check more details. Horizontal Block Half block does not go out. Go to Page 19 due to check more details. 6
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PDP Malfunction Phenomenon Screen Defect Lighting strip Check our specification . Black strip Check our specification . 7
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No Picture Panel Alarm FPC Opened Panel alarm line go through the edge of the FPC. CHECK POINT FPC cutting at scan side and TCP REWORK side. We can not rework this. Panel Grid Opened Alarm Panel alarm line go through the edge Protection of panel. This case is caused by sulfur issue. CHECK POINT REWORK Panel Grid condition. We can not rework this. Vs Protection High Voltage Circuit Broken Next parts will be broken, Scan Board, Common Board, High Voltage Board, Scan Relay Board. REWORK Change
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No Picture Vd Protection TCP Broken In case of shortage between Vd line and GND in TCP, Vd protection will be worked. CHECK POINT Shortage between Vd line and GND, REWORK TCP surface We can not rework this. Alarm Data Relay Board Broken Protection In case of shortage between Vd line and GND in data relay board, Vd protection will be worked. CHECK POINT REWORK Shortage between Vd line and GND Change the data relay board. on data relay board. 5V Protection Digital Board Broken In case of no
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No Picture High Voltage Circuit Broken Next parts will be broken, Vp or Vbw line on Scan Board, Vsw line on Common Board, (High Voltage Board). No Priming CHECK POINT No Signal Fuse on board, Vp, Vbw and Vsw REWORK line of Power HIC. Change the scan or common board (High voltage board). Digital Board Broken Digital is not working. CHECK POINT REWORK fuse on digital board, LVDS cable Change the digital board. Vacuum Tube Cracking With big noise. CHECK POINT Vacuum tube REWORK We can not rewo
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No Picture Abnormal High Voltage Circuit Broken screen Next parts will be broken, Vbw line on Scan Board, Vsw line on Common Board, (High Voltage Board). REWORK Change the scan or common CHECK POINT board (High voltage board). fuse on board, Vbw or Vsw line on board. 11
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Vertical The output of TCP The output of TCP is fixed at low level or high level. This line is very clear and constant. CHECK POINT REWORK Single Line One line is no-lighting or lighting at We can not rework this. any pure color signal (red, green blue and black) Data Grid Open Damaged data grid in panel EX) Sulfur, scratch CHECK POINT The surface condition of panel grid. REWORK We can not rework this. 12
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Vertical The output of TCP The closed outputs of TCP are Shortage. CHECK POINT REWORK Two lines are lighting at two colors. Two Lines We can not rework this. Data Grid Shortage The grids of panel are shortage due to foreign material. CHECK POINT The surface condition of panel grid. REWORK We can not rework this. 13
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Vertical Many Lines Data Grid Open Damaged data grid in panel EX) Sulfur, scratch CHECK POINT The surface condition of panel grid. REWORK We can not rework this. 14
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Vertical TCP Broken TCP is not working. CHECK POINT The surface of TCP is damaged. Black Block REWORK We can not rework this. Data Relay Board The buffer IC is not working on signal lines. The connector on data relay board is opened by the cracking of solder. CHECK POINT Input signal condition. REWORK Change the data relay board. 15
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Vertical Zebra Block Data Relay Board The lead of the buffer IC or the connector on data relay board are shortage by foreign material. CHECK POINT REWORK Input signal condition. Change the data relay board. Many Blocks Data Relay Board The lead of the buffer IC or the connector on data relay board are shortage by foreign material. CHECK POINT REWORK Input signal condition. Change the data relay board. 16
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Horizontal The output of Scan IC The output of scan IC is fixed at low level or high level. This line is very clear and constant. CHECK POINT REWORK Single Line One line is no-lighting or lighting at Change the scan relay white signal. board. Scan Relay Board Mis-contact between FPC and the connector of scan relay board. CHECK POINT The output of scan IC. Reconnection. REWORK Reconnect the FPC. 17
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Horizontal Two Lines Scan Relay Board The output of scan IC are shortage. This line is not clear and not constant. CHECK POINT FPC insert shifting. Foreign material in connector. The lead of scan IC. REWORK Clean in the connector. Reconnect the FPC. Change the scan relay board. 18
