Sony KE-42MR1, KE-42MR1E, KE-42MR42M1 service manual Tester Checking

Page 36

Tester Checking 6

Power HIC

PH2203F on High Voltage Board

			B	A		U
				C		U
				C
			D	E
			F	G
				H
	PH2203F			H
	PH2203F		J	I
				K
				K
			M	L
			M	N
				N		T
				O		T
				O
				P		S
				Q		R

	Turn this board over, and Check each points				Judgment
							OK： more than ＫΩ
Checking point							OK： more than ＫΩ
Checking point							NG：Shortage
Between A and B		Between C and U		Between J and O			NG：Shortage


Between A and U		Between F and U		Between L and M
Between B and C		Between G and H		Between P and T
Between B and E		Between H and J		Between Q and T
Between B and M		Between I and J
Between B and N		Between J and K

U

T

S

R

PH2203F

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

34

Image 36

Contents KE-42MR1/42MR1E/MR42M1 Contents PDP NP series Confirmation Common Manual No Signal Malfunction PhenomenonPDP Malfunction Phenomenon Abnormal Screen Abnormal Color Abnormal BlockPDP Ma l function Phe nomenon Vertical Vertical Line Single Line Two Lines Many Lines Vertical Vertical Block One Black Block One Zebra BlockMany Black Blocks Horizontal Horizontal Line One Black Block Horizontal BlockScreen Defect Lighting strip Black stripAlarm Protection Panel Alarm FPC Opened Panel Grid OpenedVs Protection High Voltage Circuit Broken No PictureAlarm Protection Vd Protection TCP Broken Data Relay Board Broken5V Protection Digital Board Broken High Voltage Circuit Broken No Priming No Signal Digital Board BrokenVacuum Tube Cracking Abnormal Screen High Voltage Circuit Broken Output of TCP Single Line Data Grid Open VerticalOutput of TCP Two Lines Data Grid ShortageMany Lines Data Grid Open TCP Broken Black Block Data Relay Board Zebra Block Data Relay Board Many Blocks Data Relay BoardScan Relay Board HorizontalTwo Lines Scan Relay Board Scan IC broken Block Scan Board Label a Label B 40 x 17mm 55 x 25mm20 x 17mm 55 x 15mm Vd Vbw Vsw Vp Vw Vo ltage Informa t ionPDP NP42D2MF01 Confirmation Manual Flow Chart Serial Numbe r Module Number and Panel IDPanel Crack Flexible Cabl e Flexible CableConnectors Connectors ConditionCo n nector Check i ng Locked Unlocked Ester Checkin g Tester Checking Tester Checking Ester Checkin g Parts Location High Voltage Board Tester Checking Nega Posi Strip Defect Strip Defect Vertical Line Shortage Mode All Red Pattern Vertical Line Vertical Line Vertical Line Horizontal Line 42HD2 Board Location PDP NP42D2MF01 Repair Manual Repair Flow Chart Preparation Pre-setting Put the cushion on a table and repaired module on cushionRemove the repairing Board Repair Re m ove connectors and cablesHow to remove the connectors RepairFlat Cable Type C Repair 2 Remove the Boards AttensionInstall the new board Repair 3 Install the new boardsCheck the cables and in sockets Re p air 4 Connecti ngConnect some connectors Repair 4 ConnectingConnection Condition High Voltage Board Photograph Mounting Setting Check workingVSW、-VW Adjustment Voltage AdjustmentVBW 、 VP Adjustment Aging ActionInspection Color BarOcking Condit i on Parts Information NP42D2MF01AA, AB Ichinomiya TEC