Introduction - Hitachi 55HDX99/DW2-U Service Manual

INTRODUCTION

The Digital AV Block is inside of the Panel assembly controls most of the user functions of the complete TV set and conditions the signal
to the plasma panel.
The 42 " and 55 " TV's contain the displaying device, which is the plasma display panel module, and the driving circuitry, which
receives the signal from the Digital AV Block and after processing, delivers the image to the display module.
This HITACHI Service Manual is intended for the qualified service personnel and it contains the necessary information for
troubleshooting the Plasma television set in case of malfunction.
DIMENSIONS:
138 mm
POWER RATINGS:
No.
Model Name
1 55HDS69/HDT79
55HDX99
Below is an EXAMPLE only. See Replacement Parts List for details. The following symbol near the fuse
CAUTION:
indicates fast operation fuse (to be replaced). Fuse ratings appear within the symbol.
Example:
6.3 A 125V
"RISK OF FIRE - REPLACE FUSE AS MARKED"
TABLE OF CONTENTS
55HDS69/HDT79/HDX99
1510 mm
138 mm
1234 mm
Indicated Value
Max Rating
(W) (A)
490W 4.5A
CIRCUIT PROTECTION
F
118.9 mm
94.9 mm
24 mm
P
ST(W)
Average Without POD.
Rating (W)
less than 1W
323W 0.6W
The rating of fuse F9A2 is 6.3 A - 125V.
Replace with the same type fuse for continued protection
against fire.
11
DW2U
With POD.
less than 14W Chassis
14W DW-2U
6.3 A
125V