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44NHM84 Schematic ( PDF Datasheet ) - Toshiba

Teilenummer 44NHM84
Beschreibung Projection TV Service Manual
Hersteller Toshiba
Logo Toshiba Logo 




Gesamt 26 Seiten
44NHM84 Datasheet, Funktion
SERVICE MANUAL
FILE NO. 050-200423
44NHM84
DOCUMENT CREATED IN JAPAN, Dec., 2004






44NHM84 Datasheet, Funktion
DESCRIPTION OF CONTROLS
Rear Connections Panel
Connecting cables and external equipment to your TV.
RGB/DVI Input
Connect the TV output con-
nector from a PC/DTV to
the appropriate input port.
ANT IN
+75
RGB INPUT
UPGRADE PORT
COLORSTREAM HD
INPUT2 INPUT1
(480i/
480p/
720p/
1080i)
(480i/
480p/
720p/
1080i)
PC/DTV
(XGA/
480p/
720p/
1080i)
DVI INPUT
Y
PB
PR
(L)
AUDIO
(R)
DTV /DVD
PC/DTV
(XGA/
480p/
720p/
1080i)
RGB/DVI INPUT
(L)
AUDIO
(R)
AUDIO
CENTER
MODE IN
VARIABLE
AUDIO OUT
(L)
AUDIO
(R)
S-VIDEO
MONITOR VIDEO
VIDEO
OUT INPUT 2 INPUT 1
VIDEO
MONO
(L)
AUDIO
(R)
RF Connector: Antenna
Used to connect analog
cable or antenna signals
to the television, either
directly or through your
cable box.
S-VIDEO In
A connection available with
some high-end equipment
that provides even better pic-
ture quality for Video 2.
Video 1 or 2
Connects the video sig-
nals from various types
of equipment.
Left/Right Audio
Used for stereo sound
from various types of
equipment.
Monitor Out
Connects to a second TV
or Monitor.
COLORSTREAM HD
Connect a ColorStream HD video/audio
device to these jacks. Refer to your DVD
manual for further information.
RGB/DVI Input
Used for audio connec-
tions from a PC source or
HD-STB Satellite system.
Variable Audio Out
Used to connect either
an external amplifier, or
add a sub-woofer to your
surround sound system.
Audio Center Mode In
¨
Connect to external Dolby
Digital Center “preamp out-
put.”
Mini glossary
JACK
A connection on the back of a TV, VCR, or any other A/V device. This includes the RF jack and the Audio/Video jacks that are
color-coded.
SIGNAL Picture and sound traveling through cable, or over the air, to your television screen.
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6 Page









44NHM84 pdf, datenblatt
ADJUSTMENT INSTRUCTIONS
1. Application Object
This instruction is for the application to the DLP
Projection(Chassis: MB-042G).
2. Notes
(1) The power source insulation of this DLP Projection is not
charging type and you may not use the transformer for
insulation. But you’d better adjust the set after operating it
with insulation transformer between power supply cable
and input part of the set for protecting the adjusting
equipments.
(2) The adjustment must be performed under the correct
sequence.
(3) The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver must keep AC 120V,
60Hz in adjusting.
(5) The set must be operated for 5 minutes preliminarily
before adjustment if there is no specific designation.
The preliminary operation must be performed after
receiving 100% white pattern,but reception of the moving
picture may also be possible in unavoidable case.
(3) As shown <Fig. 1>, using the (CH+ (D), CH- (E)) key,
select to item press the ENTER or VOLUME+ (G) key to
enter the appropriate item and operate the adjustment.
(4) Change the value of adjustment with using the volume
+(G), volume -(F) key after select adjustment item one
more using the (CH+ (D), CH- (E)) key in ADJ Mode.
(5) Press the ADJ key to come out after adjustment.
(6) Preparation for Adjustment
1) Connect the power to TV Set and set the status of
“Power on”.
2) Heat-Run must operate over 5 minitues before
adjustment.
4. Driver Board Bin Setting
See Bias Voltage Bin on the DMD as shown <Fig. 2> and
adjust the switch on the lower Driver Board as shown <Fig.
3>.
3. Composition of Adjustment Mode
(1) All adjustment mode are entered by pressing the ADJ key
on the remore control,after adjustment pess the ADJ key to
come out.
(2) Below picture is screen composition when press the first
ADJ key.
<Fig. 2> DMD Marking Locations
<Fig. 3> Driver Board Bin Setting
<Fig. 1> Adjustment Mode OSD
- 12 -

12 Page





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