Introduction - Hitachi 32HDT50 Service Manual

INTRODUCTION

The 32HDT50M/55M and 42HDT50M/55M are a 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 32" and 42" 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:
32HDT50M/55M
Stand
POWER RATINGS:
No.
Model Name
1 32HDT50M/55M
2 42HDT50M/55M
3 AVC50
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
32" Plasma Display Monitor
42" Plasma Display Monitor
Speakers
AVC50
POWER VOL- VOL+ CH- CH+ INPUT/EXIT
STANDBY (RED) ON (GREEN)
Indicated Value
Max Rating
(W) (A)
210 2.2
332 3.2
30 0.5
CIRCUIT PROTECTION
F
6 A 125V
Model Name Chassis Name
AVC50 AVC3-U
32HDT50M/55M PT3-E
42HDT50M/55M PT3-G
42HDT50M/55M
Stand
PULL
AUDIO VIDEO CONTROL CENTER
430mm
P
Average ST(W)
Rating (W)
(W)
134 0.8
198 0.8
26 2.7
The rating of fuse F901 is 6A - 125V.
Replace with the same type fuse for continued protection
against fire.
10
PT3-E/G AVC3-U
Speakers
85mm
Chassis
PT3-E
PT3-G
AVC3-U
6A
125V