Introduction; Circuit Protection - Hitachi 42HDT51M Service Manual

INTRODUCTION

The 42HDT51M and 55HDT51M are Plasma Television sets; They are constituted by the combination of two main parts, an AUDIO
VIDEO CONTROL Center, and the Plasma Display monitor.
Each part has a model name and a chassis name:
The AVC center is a box that controls most of the user functions of the complete TV set and conditions the signal before it arrives to the
monitors.
The 42" and 55" monitors contain the displaying device, which is the plasma display panel module, and the driving circuitry, which
receives the signal from the AVC center 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:
42HDT51M
POWER RATINGS:
No.
Model Name
1 all AVC except
below
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:
"RISK OF FIRE - REPLACE FUSE AS MARKED"
TABLE OF CONTENTS
Part
Audio Video Control Center
42" Plasma Display Monitor
55" Plasma Display Monitor
POWER VOL- VOL+ CH- CH+ INPUT/EXIT
STANDBY (RED) ON (GREEN)
Indicated Value
Max Rating
(W) (A)
48W 0.9A

CIRCUIT PROTECTION

F
6 A 125V
Model Name Chassis Name
AVC75 AVC5-U
42HDT51M PT5-G
55HDT51M PW1-H
PULL
AUDIO VIDEO CONTROL CENTER
430mm
Average
Without POD.
Rating (W) less than 1W
(41W) 0.5W
The rating of fuse F901 is 6A - 125V.
Replace with the same type fuse for continued protection
against fire.
11
PT5-G/PW1-H
55HDT51M
85mm
P
ST(W)
With POD.
less than 14W Chassis
14W AVC5-U
6A
125V