Service Manuals, User Guides, Schematic Diagrams or docs for : HAIER LCD HL32D2, HL42XD2 HAIER+HL32D2+HL42XD2
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31.5 &42 LCD TV Haier HL32D2&HL42XD2
Service
Service
Service
Horizontal Frequency
31~68 KHz
Table of Contents
Description Page Description Page
Table of Contents...........................................................1 6.1 Main Board.......................................................30
Important Safety Notice..................................................2 6.2 Power Board......................................................34
Revision List.........................................................3 6.3 Key Board........................................................40
1.General Specification...............................................4 6.4 IR Board..........................................................40
2.Operating Instructions...........................................6 7.Adjustment..............................................................41
2.1 The Use of Remote Control...................................6 8.Block Diagram............................................................42
2.2 To Use the Menus...............................................7 9.Wiring Diagram...........................................................43
2.3 Front Panel Control Knobs..................................12 10.Schematic Diagram.............................................45
2.4 How to Connect................................................13 10.1 Main Board......................................................45
3.Input/Output Specification.......................................14 10.2 Power Board....................................................58
4.Mechanical Instructions.........................................17 10.3 Key Board.......................................................67
5.Repair Flow Chart ..............................................25 10.4 IR Board.........................................................68
6.PCB Layout .......................................................30 11.Exploded View................................................69
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
1
Important Safety Notice
Proper service and repair is important to the safe, reliable operation of all Haier Company Equipment. The service
procedures recommended by Haier and described in this service manual are effective methods of performing
service operations. Some of these service operations require the use of tools specially designed for the purpose.
The special tools should be used when and as recommended.
It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in
order to minimize the risk of personal injury to service personnel. The possibility exists that improper service
methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE
NOT EXHAUSTIVE. Haier could not possibly know, evaluate and advise the service trade of all conceivable ways in
which service might be done or of the possible hazardous consequences of each way. Consequently, Haier has not
undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not
recommended by Haier must first satisfy himself thoroughly that neither his safety nor the safe operation of the
equipment will be jeopardized by the service method selected.
Hereafter throughout this manual, Haier Company will be referred to as Haier.
WARNING
Use of substitute replacement parts, which do not have the same, specified safety characteristics might create
shock, fire, or other hazards.
Under no circumstances should the original design be modified or altered without written permission from Haier.
Haier assumes no liability, express or implied, arising out of any unauthorized modification of design.
Servicer assumes all liability.
FOR PRODUCTS CONTAINING LASER:
DANGER-Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM.
CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may
result in hazardous radiation exposure.
CAUTION -The use of optical instruments with this product will increase eye hazard.
TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S
REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF
THIS SERVICE MANUAL.
Take care during handling the LCD module with backlight unit
-Must mount the module using mounting holes arranged in four corners.
-Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen.
-Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to
the panel.
-Protect the module from the ESD as it may damage the electronic circuit (C-MOS).
-Make certain that treatment person's body is grounded through wristband.
-Do not leave the module in high temperature and in areas of high humidity for a long time.
-Avoid contact with water as it may a short circuit within the module.
-If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth may
damage the panel.)
2
Revision List
Version Release Date Revision Instructions Customer Model Model
E32AAZNK3WH3N
HL32D2
E32AAZNK3WH3XNX
A00 Mar.29,2010 Initial release
E42AMZNK3WH3N
HL42XD2
E42AMZNK3WH3XNX
3
1. General Specification
* This model complies with the specifications listed below.
* Designs and specifications are subject to change without notice.
* These models may not be compatible with features and/or specifications that may be added in the future.
Model No. HL32D2 HL42XD2
DISPLAY
Viewable 31.5W" 42W"
Television System NTSC standard,ATSC standard (8-VSB, Clear-QAM)
VHF: 2 through 13
UHF: 14 through 69
Cable TV: Mild band (A - 8 through A - 1,A through I),
Channel Coverage Super band (J through W),
Hyper band (AA through ZZ,AAA, BBB),
Ultra band (65 through 94, 100 through 125)
CONNECTIONS
Tuner input (75 )
AV IN: AV/S-Video and L/R audio input
PC IN:D-SUB and PC Audio (Headphone mini-jack)
Supported scan rate: 640x480@60/72/75Hz,720x400@70Hz,
800x600@56/60/72/75Hz,1024x768@60/70/75Hz,
1280x720@60Hz,1280x768@60Hz
1360x768@60Hz:For HL19D2 / HL32D2 only.
1280x1024@60Hz,1440x900@60Hz,1680x1050@60Hz
1920x1080@60Hz: For HL24XD2 / HL42XD2 only.
Rear Connectors Recommended: For HL32D2: 1360x768
For HL42XD2: 1920x1080
Component Video and L/R Audio input
Supported resolution: 480i,480p,720p,1080i,1080p
HDMI input Supported scan rates: 480i, 480p, 720p, 1080i, 1080p
AV/S-Video input AV/S-Video input
SPDIF SPDIF
HDMI 1 HDMI 1
HDMI 2 HDMI 2
Audio out Audio out
AV IN 2 AV IN 2
Side Connectors
Earphone Output USB PORT Earphone Output USB PORT
4
Model No. HL32D2 HL42XD2
WEIGHT & DIMENSIOIN
Dimensions 790.5 mm 1015.36 mm
with Stand 569.1 mm 703.03 mm
(W x H x D) 239.6 mm 280.50 mm
Dimensions 790.5 mm 1015.36 mm
without Stand 526.8 mm 654.67 mm
(W x H x D) 91.1 mm 97.10 mm
Weight with Stand 12.5 Kg 20.5 Kg
Weight without Stand
and Base 10.6 Kg 17.6 Kg
WALL MOUNTING
VESA-compatible
200 x 200 mm 400 x 200 mm
wall bracket (W x H)
Screw type Metric 6 x 10 mm Metric 6 x 10 mm
POWER
Power Consumption 150W 250W
Standby <1W
Mains Power 120V~60Hz
Audio Power 10W + 10W 10W + 10W
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