Haier HL32P2 User manual

31.5″LCDTV Haier HL32P2
1
Service
Service
Service
Horizontal Frequency
31~75KHz
TABLE OF CONTENTS
Description Page Description Page
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
6.4 Key Board………………………..……..……….......23
6.5 IR Board…………………………..……….…….......24
7. Adjustment..............................................................25
8. Block Diagram.…….................................................26
9. Wiring Diagram.……...............................................27
10. Schematic Diagram………..……..………………...28
10.1 Main Board…………….…………………...….......28
10.2 Power Board………..…....…………...……….......40
10.3 LED Board………………...…………..……….......43
10.4 Key Board……………….………….………….......44
10.5 IR Board……………………………….……….......45
Table of Contents.......……....................................…........1
Important Safety Notice.......................................……......2
Revision List…………………………………………………3
1. General Specification.................................………........4
2. Operating Instructions…………………….……...….......6
3. Input/Output Specification…………......................…....7
4. Mechanical Instructions……………………...................9
5. Repair Flow Chart ………………………………………12
6. PCB Layout …………...………………………………...17
6.1 Main Board…………..…………………...…….….......17
6.2 Power Board……..…………..………….…..…….......19
6.3 LED Board………………...……..……..………..........23
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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.)
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Revision List
Version Release Date Revision Instructions Model
A00 Jul.7,2010 Initial release E32A2ZNKWNH6NNX
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1. General Specification
Note
• This model complies with the specifications listed below.
• Designs and specifications are subject to change without notice.
• This model may not be compatible with features and/or specifications that may be added in the future.
Model No. HL32P2 HL42XP22
DISPLAY
Viewable 31.5W" 42W"
Television System NTSC standard,ATSC standard (8-VSB, Clear-QAM)
Channel Coverage
VHF: 2 through 13
UHF: 14 through 69
Cable TV: Mild band (A - 8 through A - 1,A through I),
Super band (J through W),
Hyper band (AA through ZZ,AAA, BBB),
Ultra band (65 through 94, 100 through 135)
CONNECTIONS
Rear Connectors
Tuner input (75Ω)
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.
Note:
1360x768@60Hz: For HL32P2 only.
1280x1024@60Hz, 1440x900@60Hz,
1680x1050@60Hz, 1920x1080@60Hz: For HL42XP22
only.
Recommended: For HL32P2: 1360x768@60Hz
For HL42XP22: 1920x1080@60Hz
Component Video and L/R Audio input
Supported resolution: 480i,480p,720p,1080i, 1080p
HDMI input
Supported scan rates: 480i, 480p, 720p, 1080i, 1080p
COMPONENT 1/2
AV/S-Video input
SPDIF
HDMI 1/2
AUDIO OUT
COMPONENT 1/2
AV/S-Video input
SPDIF
HDMI 1/2
AUDIO OUT
Side Connectors
HDMI 3/4
AV IN 2 Earphone Output
USB PORT
HDMI 3/4
AV IN 2 Earphone Output
USB PORT
WEIGHT & DIMENSIOIN
Dimensions
with Stand
(W x H x D)(inch)
31.07x22.30x9.06 40.13x27.48x11.87
Dimensions
without Stand
(W x H x D)(inch)
31.07x20.07x3.74 40.13x25.33x3.86
Weight with Stand 20.94(lbs) 39.68(lbs)
Weight without Stand
and Base 17.42(lbs) 33.07(lbs)
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Model No. HL32P2 HL42XP22
WALL MOUNTING
VESA-compatible
wall bracket
(W x H)
200 x 200 mm 400 x 200 mm
Screw type Metric 6 x 10 mm Metric 6 x 10 mm
POWER
Power Consumption 150W 180W
Standby <1W
Mains Power 120V~60Hz
Audio Power 10W + 10W 10W + 10W
Ambient Temperature 41°F~95°F
PACKAGE CONTENTS
Supplied Accessories
TV unit x 1
Base x 1
Remote control x 1 (with two size AAA alkaline batteries)
Screws x 6 (for 32" only)
User manual x 1
Registration Card x 1
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2. Operating Instructions
Please refer to user manual which is attached in this service manual.
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3. Input/Output Specification
3.1 Input Signal Connector
D-SUB
Pin No. Description Pin No. Description
1 Red Video 9 No Pin
2 Green Video 10 Sync Ground
3 Blue Video 11 SDA(Remote Control)
4 SCL(Remote Control) 12 Serial Data for DDC
5 Ground 13 H-Sync
6 Red Ground 14 V-Sync
7 Green Ground 15 Serial Clock for DDC
8 Blue Ground
HDMI
Pin No. Description Pin No. Description
1 TMDS Data2+ 11 TMDS Clock Shield
2 TMDS Data2 Shield 12 TMDS Clock-
3 TDMS Data2- 13 CEC
4 TMDS Data1+ 14 NC
5 TMDS Data1 Shield 15 SCL
6 TMDS Data1- 16 SDA
7 TMDS Data0+ 17 DDC/CEC Ground
8 TMDS Data0 Shield 18 +5V Power
9 TMDS Data0- 19 Hot Plug Detect
10 TMDS Clock+
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3.2 Input Signal Timing
Analog RGB
VESA MODES
Horizontal Vertical
Mode Resolution Total
Nominal
Frequency
(KHz)
Sync
Polarity
Nominal
Freq.
(Hz)
Sync
Polarity
Nominal
Pixel
Clock
(MHz)
VGA
640x480@60Hz 800 x 525 31.469 N 59.94 N 25.175
640x480@72Hz 832 x 520 37.861 N 72.809 N 31.5
640x480@75Hz 840 x 500 37.5 N 75 N 31.5
DOS 720x400@70Hz 900 x 449 31.469 N 70.087 P 28.322
SVGA
800x600@56Hz 1024 x 625 35.156 P 56.25 P 36
800x600@60Hz 1056 x 628 37.879 P 60.317 P 40
800x600@72Hz 1040 x 666 48.077 P 72.188 P 50
800x600@75Hz 1056 x 625 46.875 P 75 P 49.5
XGA
1024x768@60Hz 1344 x 806 48.363 N 60.004 N 65
1024x768@70Hz 1328 x 806 56.476 N 70.069 N 75
1024x768@75Hz 1312 x 800 60.023 P 75.029 P 78.75
CVT-0.92M9 1280x720@60Hz 1664 x 748 44.722 N 59.855 P 74.5
WXGA 1280x768@60Hz 1440 x 790 47.396 P 59.995 N 68.25
WXGA 1360x768@60Hz 1720 x 795 75 P 60.02 P 162
HDMI
VESA MODES
Horizontal Vertical
Mode Resolution Total
Nominal
Frequency
(KHz)
Sync
Polarity
Nominal
Freq.
(Hz)
Sync
Polarity
Nominal
Pixel
Clock
(MHz)
DOS 720 x 400 900 x 449 31.469 N 70.087 P 28.322
VGA 640 x 480 800 x 525 31.469 N 59.94 N 25.175
SVGA 800 x 600 1056 x 628 37.879 P 60.317 P 40
XGA 1024 x 768 1344 x 806 48.363 N 60.004 N 65
WXGA 1280 x 768 1664 x 798 47.396 P 59.995 N 68.25
CVT-0.92M9 1280 x 720 1664 x 748 44.772 N 59.855 P 74.5
WXGA 1360x768@60Hz 1720 x 795 75 P 60.02 P 162
1080P 1920 x 1080P 2200 x 1125 67.5 60, 148.5
720P 1280 x 720P 1650 x 750 45 60, 74.25
1080i 1920 x 1080i 2200 x 1125 33.75 60, 74.25
480P 720 x 480P 858 x 525 31.5 60, 27.03
480i 720 x 480i 1716 x 525 15.75 60, 13.51
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4. Mechanical Instructions
Step1. Remove the STAND HINGE and BASE.
Step2. Remove the REAR COVER.
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Step3. Remove the POWER CORD.
Step4. Remove the MAIN BOARD, POWER BOARD, INVERTER BOARD and SPEAKERS.
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Step5. Remove the BKT and separate the BEZEL and PANEL.
Step6. Remove the IR BOARD, KEY BOARD and LED BOARD.
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5. Repair Flow Chart
1. No power
No power (LED “Off”)
Check the AC input and
the
p
ower is “On”? Power “On”
Check the IR board and LED
Replace the IR board
Replace the main board
Power board output=5V? Replace the power board
No
Yes
No
Yes
No
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2. Can’t start
Can’t start (LED Red)
Replace the main board
Replace the Power board
No
Yes
No
Yes
No
No
Power board output＝24V?
Check the power key is under control?
Check the IR receiver is normal?
Replace the power board
Replace the key board
Yes
Replace the IR board
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3. No display
Check the B/L
signal is available?
Replace main board
Replace the power board
Panel Vcc = 5V?
Replace the Panel
No display (LED Blue)
Replace the main board
Check the backlight is
“On”?
Check the LVDS cable
Reinsert or replace the
LVDS cable
Replace the main board
Replace the Panel
No
Yes
Yes No
Yes
No
No
Yes
Yes
No
Yes
No
Power board output＝24V?
Check TV is under control and power
on/off by remote control and power key?
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4. Sound problem
No sound or sound abnormal
Check the TV is muted, adjust the
volume or enter the menu to reset?
Reinsert the audio cable or
change the TV system
Replace the cable
Replace the speaker
Replace the main board
No
Yes
No
Check the cable between the
speakers and main board is ok?
Check the speaker resistance value is in spec
(Remark: The value is marked on the speaker)?
Check the audio source connection
and the TV system are correct？
Yes
No
No
Yes
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5. Remote Control malfunction
6. OSD is unstable or can’t work normally
Remote Control malfunction
Replace the battery
Replace the remote control
Whether the IR board is
abnormal?
Yes
No
Replace the IR board
Replace the main board
No
Yes
No
Yes
Use the other remote controls
Check the remote control battery is
not
p
ro
p
erl
y
p
laced or no
p
ower?
Key board connected properly? Reconnect the key board
Buttons are ok? Replace the button function
Yes
No
Key board is ok? Replace the key board
Replace the main board
No
Yes
No
Yes
OSD is unstable or can’t work normally
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6. PCB Layout
6.1 Main Board
715G3269M01001005K
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6.2 Power Board
715G3811P01H20003H
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