Hisense lcd3233eu, lcd 2633eu schematic
Liquid Crystal Display Television
Service Manual
Chassis：M-STAR
Product Type：LCD3233EU/LCD2633EU
Ver 1.0
LCD Institute R&D Center
Hisense Electric Co.，Ltd.
Jun. 2006
Note: This Specification is subject to change without notice.
LCD TV Service Manual
Contents
Contents .................................................................. - 2 -
Service Manual ............................................................ - 3 -
1. Product Safety Servicing Guidelines.................................... - 3 -
2. Product Function Specifications ........................................ - 4 -
2-1 LCD3233EU/LCD2633EU Product Function ............................. - 4 -
2-2 LCD3233EU/LCD2633EU Specifications ............................... - 7 -
3. Lcd Panel Spec ......................................................... - 9 -
3-1 General Description .............................................. - 9 -
3-2 General Features ................................................ - 11 -
4. Block Diagram ......................................................... - 12 -
4-1 Chassis Block Diagram ............................................ - 12 -
4-2 Video Processing Part ............................................ - 15 -
4-3 Audio Processing Part ............................................ - 16 -
4-4 I2C Controlling Part ............................................. - 16 -
4-5 Power Part ....................................................... - 17 -
5. Service Mode And Adjustment ........................................... - 17 -
5-1 Service Mode .................................................... - 17 -
6. Software Updating ..................................................... - 21 -
6-1、Updating Cable .................................................. - 21 -
6-2、LCD3233EU/LCD2633EU Software Updating Operation ................. - 21 -
7. LCD3233EU/LCD2633EU Explode View And Bom.............................. - 29 -
8. Spare Parts List ...................................................... - 32 -
9. Troubleshooting ....................................................... - 32 -
10. Ciruit Diagram ....................................................... - 32 -
○CCopyright LCD Institute R&D Center Hisense Electric Co.，Ltd.,
Jun, 2006 All Rights Reserved.
No Reproduction and Redistribution Allowed！
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LCD TV Service Manual
Service Manual
1. Product Safety Servicing Guidelines
WARNING:
Service should not be attempted by anyone unfamiliar with the
necessary precaution on this receiver.The following are the necessary
precaution to be observed before serving this chassis.
1.Since the power supply circuit of this receiver is directly connected
to the AC power line ,an Isolation transformer should be used during any
dynamic service to avoid possible shock hazard.
2.When replacing a chassis in the cabinet, always be certain that all
the protective devices are put back in place, such as : non-metallic
control knobs, insulating cover,shields,isolation resistor-
capacitor network etc.
3.When replacing parts or circuit boards, disconnect the power cord.
4.When replacing a high wattage resistor (oxide metal film resistor )
on the circuit board, keep the resistor(1/2in) away from circuit
board.
6.Connection wires must be kept away from components with high voltage
or high temperature.
7.If any fuse in this LCD TV receiver is blown , replace it with the FUSE
specified in the chassis part list.
The lightning flash with arrowhead symbol, within an
equilateral triangle is intended to alert the user to the
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presence of uninsulated dangerous voltage within the products
enclosure that may be of sufficient magnitude to constitute a risk of
electric shock.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance( servicing ) instructions in the literature
accompanying the set.
Many electrical and mechanical parts in the chassis have special
safety-related characteristics.These characteristics are often passed
LCD TV Service Manual
unnoticed by a visual inspe-ction.When replacement parts are required ,
be sure the service technician uses replacement parts specified by us
that have the same characteristics as the original part. Unauthorized
substitutions may result in fire , electric shock , injury to persons
or other hazards.This LCD TV product should be situated away from heat
source such as radiation,stoves,or other product that produce heat.
2. Product Function Specifications
2-1 LCD3233EU/LCD2633EU Product Function
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LCD TV Service Manual
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LCD TV Service Manual
z Multimedia - TV receiver, Video monitor and PC display, all in one.
z Wider viewing angle, 16:9 display – 176°viewing angle.
z Digital display device - truthfully reproducing the images, without
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distortion or blurring, irrespective of magnetic or geomagnetic
effect.
z 200 channels memory
z Sleep timer
z Teletext with 252 pages memory
z Stereo
z Dual SCART interface
z Multi-language OSD
LCD TV Service Manual
2-2 LCD3233EU/LCD2633EU Specifications
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LCD TV Service Manual
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LCD TV Service Manual
3. Lcd Panel Spec
3-1 General Description
LCD3233EU’S Lcd Panel is a 32” TFT Liquid Crystal Display module
with 16-CCFL Backlight unit and 1ch-LVDS interface. This module supports
1366 x 768 WXGA format and can display true 16.7M colors ( 8-bit colors).
The inverter module for backlight is built-in.
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FEATURES
- High brightness (400 nits)
- Ultra-high contrast ratio (1200:1)
- Faster response time (gray to gray average 6.5ms)
- High color saturation NTSC 75%
- Ultra wide viewing angle : 176(H)/176(V) (CR>20) with Super MVA
technology
- DE (Data Enable) only mode
- LVDS (Low Voltage Differential Signaling) interface
LCD TV Service Manual
- 180 degree rotation display (option)
- Color reproduction (nature color)
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LCD2633EU’S Lcd Panel is a 26.0 inch Color TFT-LCD Module T260XW02.
This LCD module has a TFT active matrix type liquid crystal panel 1366x768
pixels, and diagonal size of 26.0 inch. This module supports 1366x768
XGA-WIDE mode (Non-interlace).
Each pixel is divided into Red, Green and Blue sub-pixels or dots which
are arranged in vertical stripes. Gray scale or the brightness of the
sub-pixel color is determined with a 8-bit gray scale signal for each
dot.
The T260XW02 has been designed to apply the 8-bit 1 channel LVDS
LCD TV Service Manual
interface method. It is intended to support displays where high
brightness, wide viewing angle, high color saturation, and high color
depth are very important.
3-2 General Features
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LCD TV Service Manual
4. Block Diagram
4-1 Chassis Block Diagram
POWER BOARDMAIN BOARD
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MAIN BOARD
LCD TV Service Manual
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