Hitachi 42HDT79 - UltraVision CineForm - 42" Plasma TV, Service Manual

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11
DW 2 U
CIRCUIT PROTECTION
CAUTION:
Below is an EXAMPLE only. See Replacement Parts List for details. The following symbol near the fuse
indicates fast operation fuse (to be replaced). Fuse ratings appear within the symbol.
6 .3 A
125 V
F
6 .3 A 125 V
Example:
“RISK OF FIRE - REPLACE FUSE AS MARKED”
The rating of fuse F9A2 is 6.3 A - 125V.
Replace with the same type fuse for continued protection
against fire.
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:
55HD S69/HD T 79/HDX99
POWER RATINGS:
1 55 HDS69/HDT79 49 0W 4.5 A 323 W 0.6W 14W DW-2U
55 HDX99
No.
Model Name
Indicated Value
Max Rating
Average
Rating (W)
Without POD.
less than 1W Chassis
P
ST(W)
(W) (A)
With POD.
less than 14W
TABLE OF CONTENTS
INTRODUCTION
138 mm
840
mm
696
mm
422
mm
1510 mm
138 mm
1234 mm
24 mm
94.9 mm
118.9 mm