Hitachi P50H401A Service Manual

SERVICE MANUAL

This ADDENDUM is made due to the new models P50H401A (DW3A), P50T501A (DW3A) and P50H4011A (DW3A).
They are different to models P50H401 (DW3A), P50T501 (DW3A) and P50H4011 (DW3A). The Main difference is the
Panel, the "A" models use "AE1V" Plasma Panel and the non "A" H/T Models use "AE1" Plasma Panel.
Dimensions of both Family models are SAME.
Refer to Service Manual PA0224 when servicing "A" models in regards to other adjustments not covered in this addendum.
This ADDENDUM indicates only the differences and special considerations to be taken when servicing the "A" models.
CONNECTOR DIAGRAMS ...................................................................................... 2
FINAL WIRING DIAGRAM ....................................................................................... 3
PARTS LIST DIFFERENCE ..................................................................................... 4
PWBs "TOP LAYER" ............................................................................................... 5
PANEL PWBs .......................................................................................................... 6
CONNECTOR PART NUMBERS ............................................................................ 7
QUICK REFERENCE PARTS LIST ......................................................................... 8
BLOCK DIAGRAM (DIGITAL MODULE) .................................................................. 9
These servicing instructions are for use by qualified service personnel only. To reduce the risk of
CAUTION:
Electric shock do not perform any servicing other than that contained in the operating instructions
Unless you are qualified to do so. Before servicing this chassis, it is important that the service
Technician read the "IMPORTANT SAFETY INSTRUCTIONS" Service Manual PA0224.
Components having special safety characteristics are identified by a ! on the schematics and on the parts list in this
Service Manual and on the PA0224. Before servicing the chassis, it is important that the service technician read and
follow the "Important Safety Instructions" shown in Service Manual PA0224.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
Version 0231-4
SEPTEMBER 2007
TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW
CONTENTS
(Page 4) Parts Difference Page 4 (Updated Nov 30, 07) Updated PWB List
(Page 4) Parts Difference Page 4 (Updated Jan 19, 08) Added Bezel Part Numbers to Parts List
(Page 9) Added Feb 09, 08. Added Digital Module (Digi-Main) Block Diagram
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
PLASMA DISPLAY PANEL
PA No. 0231
P50H401A / DW3-A
P50H4011A / DW3-A
P50T501A / DW3-A
R/C: CLU-4371UG2 p/n HL02075
R/C: CLU-4372UG2 p/n HL02076
R/C: CLU-4371A p/n HL02401
HHEA-MANUFACTURING DIVISION
P50H401A
P50H4011A
P50T501A
Updated Jan 19, 08
Updated Nov 30, 07
Added Feb 09, 08