Telefunken TF 42K191 A Service Manual

Page 1

TF42K192A
SERVICE MANUAL

Caution
Be sure to read this manual before serwcing. To assure safety from fire, electric shock, injury, harmful radiation and

materials, various measures are provided in this Hitachi liquid crystal television/monitor.
Be sure to read the cautionary items described in the manual to maintain safety before servicing.

Service Warning
. The LCD Panel Module is made ofglass. When handling broken LCD Panel Module, take special care not to be
injured.
2. Replacement work should only start after the LCD Panel Module and the AC/DC Power Supply has become
sufficiently cool.
3. Take special care of the LCD display panel and do not damage its surface.
.Do not touch the LCD Panel Module with your bare hands and protect its surface from stains,
It is recommended to use clean soft gloves during servicing in order to protect the LCD display panel and the
service personnel himself.

Ion-b.

Contents
0 Safety Notice 2 0 Printed Circuit Board 30
o Display Modes 2 o Wiring Diagram 36
o Specifications 4 o Exploded View and Mechanical Parts 37
a Location and Function of Controls 6 . Parts List(For Reference Only) 38
0 Installation and connecting 8
o Schemtic Diagrams 16

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

Liquid Crystal Display Television/Monitor

Page 2

Safety Notice

Maintenance and repair of this LCD TV/monitor should be done by qualified service personnel only.

Critical parts that have special safety characteristics are identified by a A in the replacement parts
list. Use of any substitute replacement part that does not have the same safety characteristics as the
recommended replacement part in the parts list might create shock, fire and /or other hazards.

Read and comply with all caution and safety related notes on or inside the LCD/monitor cabinet, the
printed circuit boards or the LCD Panel Module. Please note the following safety symbols indicated
below.

TO REDUCE THE RISK

CAUTION OF ELECTRIC SHOCK,
DO NOT REMOVE COVER.

RISK OF ELECTRIC NO USER-SERVICEABLE

SHOCK DO NOT PARTS INSIDE. REFER

SERVICING TO QUALIFIED
SERVICE PERSONNEL.

This symbol indicates This symbol indicates
"dangerous voltage" important instructions
inside the product that accompanying the
presentsarisk ofelectric product.

shock or personal injury.

PC Display Modes

COMPONENT VIDEO (YPbPr) INPUT

Mode ResolutiO" FreI'IfIIiIffiIItfiIHz) FreIIIngfigIr (Hz)
576i/50 720x576 15.63 50.00
480i/60 640x460 15.73 60.00
576p/50 720X576 31.25 50.00
480p/60 640x480 31.47 60.00
720p/60 1280x720 45.00 60.00
1080i/50 1920x1060 28.13 50.00
1080i/60 1920x1060 33.75 60.00

1080p/50 1920x1060 56.25 50.00
1080p/60 1920x1060 67.50 60.00