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  Service Manual

15

Pin number

 

Signal name

Description

1 NC 

NC 

                      NC 

                                        NC 

3 NC 

NC 

4 NC 

NC 

LVDS_D0E_N 

LVDS EVEN 0 - Signal 

LVDS_D0E_P 

LVDS EVEN 0 + Signal 

7 GND 

Ground 

LVDS_D1E_N 

LVDS EVEN 1 - Signal 

LVDS_D1E_P 

LVDS EVEN 1 + Signal 

10 GND 

Ground 

11 

LVDS_D2E_N 

LVDS EVEN 2 - Signal 

12 

LVDS_D2E_P 

LVDS EVEN 2 + Signal 

13 GND 

Ground 

14 

LVDS_CE_N 

LVDS EVEN Clock - Signal 

15 

LVDS_CE_P 

LVDS EVEN Clock + Signal 

16 GND 

Ground 

17 

LVDS_D3E_N 

LVDS EVEN 3 - Signal 

18 

LVDS_D3E_P 

LVDS EVEN 3 + Signal 

19 GND 

Ground 

20 NC 

NC 

21 NC 

NC 

22 NC 

NC 

23 GND 

Ground

24 GND 

Ground

25 GND 

Ground

26 

Panel_power 

Power for panel 

27 

Panel_power 

Power for panel 

28 

Panel_power 

Power for panel 

29 

Panel_power 

Power for panel 

30 

Panel_power 

Power for panel 

LVDS Connector (CN5)

DVD Power Connector (CN7) 

Pin 

numb

er

Signal 

name

Description

1 STB 

stand 

by 

2 5V 

5V 

Power 

3 GND 

                                   
Ground 

4 GND 

Ground 

5 12V 

12V 

Power 

DVD Video Connector (CN6) 

Pin 

num

ber

Signal 

name

Description

1 DVD_SW

 

2 DVD_PB 

Pb 

Signal 

3 DVD_Y 

Signal 

4 GND 

Ground 

5 DVD_PR 

Pr 

Signal 

6 GND 

Ground 

7 DVD_IR 

IR 

control 

DVDSKIP

  Model No.: HLC22XSLW2

Summary of Contents for HLC22XSLW2

Page 1: ...ct Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service infor...

Page 2: ...sed in this manual 6 1 4 How to Read this Service Manual 6 1 4 1 Using icons 6 KDSWHU 6SHFL FDWLRQ 6SHFL FDWLRQ OLVW 8 2 2 External pictures four faces 9 Chapter 3 Disassemble and Assemble 11 11 11 12...

Page 3: ...m 25 7 3 Circuit Diagram 27 7 2 Wiring Connection Diagram Chapter 8 Measurements and Adjustments 8 1 Service Mode 40 8 1 1 How to enter into Service Mode 40 8 1 2 How to exit 40 8 2 Measurements and A...

Page 4: ...tant thing is to list up the potential hazard or risk for the service personnel to open the units and disassemble the units For example we need to describe properly how to avoid the possibility to get...

Page 5: ...YLQJ DQ HOHFWULFDO DVVHPEO HTXLSSHG ZLWK 6 GHYLFHV SODFH WKH DVVHPEO RQ D conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 1 3 4 About lead...

Page 6: ...th CAUTION 7KLV LV D DPPDEOH PL WXUH 8QOHVV VSHFL HG RWKHUZLVH LQ WKLV VHUYLFH PDQXDO OXEULFDWLRQ RI FRQWDFWV LV QRW UHTXLUHG Capacitors may result in an explosion hazard 5 Do not defeat any plug sock...

Page 7: ...Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot IURP D FDUSHWHG RRU...

Page 8: ...HTXLSPHQW ORRVH GDWD JHW DQ XQH SHFWHG UHVXOW RU KDV WR restart part of a procedure Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other p...

Page 9: ...No of Preset Channels 181 OSD Language English French Spanish Color System NTSC Audio System M BG I L L Audio Output Power Built in W 3W 2 YES Total Power Input W 40W Voltage Range V AC100V 240V 3RZHU...

Page 10: ...Service Manual 9 2 2 External pictures four faces Front Side Left Side Model No HLC22XSLW2...

Page 11: ...Service Manual Model No HLC22XSLW2 10 Right Side Back Side...

Page 12: ...Remove the LCD Panel 3 3 Remove the Main Board Service Manual Model No HLC22SLW2 11 Lay down the unit so that rear cover downward Remove the one screw from the pedestal indicated with Then remove the...

Page 13: ...ntrol Board 3 4 Remove the Speaker 3 5 Remove the Keypad Assembly 3 6 Remove the Remote Control Board Service Manual Model No HLC22SLW2 12 Remove the DVD label indicated with Remove the two screw indi...

Page 14: ...Chapter 4 Location of Controls and Components 4 1 Board Location 4 2 Main Board Service Manual 13 No Description A Board Main Board B Board C DVD LED Driver Board Model No HLC22XSLW2...

Page 15: ...ply unit path System board will use this pin to control system power CN1 Pin 4 Control the luminance of backlight The system can generate the PWN signal to control the strength of TFT LCD Panel s back...

Page 16: ...3 Signal 18 LVDS_D3E_P LVDS EVEN 3 Signal 19 GND Ground 20 NC NC 21 NC NC 22 NC NC 23 GND Ground 24 GND Ground 25 GND Ground 26 Panel_power Power for panel 27 Panel_power Power for panel 28 Panel_pow...

Page 17: ...CTOR CNC1 Service Manual Model No HLC22XSLW2 16 Power supply and Inverter Connector CNC1 Pin number Signal name Description 1 1 Ground 1 Ground 867 19 57 5 LJKWQHVV GMXVW 21 2 19 57 5 6ZLWFK RQWURO 9...

Page 18: ...Service Manual 17 Panle LVDS Connector CNC4 Model No HLC22XSLW2...

Page 19: ...picture quality in a poor signal area please purchase a signal amplifier and install properly If the antenna needs to be split for two TV s install a 2 Way Signal Splitter in the connections To instal...

Page 20: ...ment B Refer to external equipment operating guide Component Setup How to connect Connect the DVD video outputs COMPONENT to A the Y Pb Pr jacks on the TV and connect the DVD audio outputs to the YPbP...

Page 21: ...rovider you can watch cable TV programming The TV cannot display TV programming unless a TV tuner device or cable TV converter box is connected to the TV For further information regarding cable TV ser...

Page 22: ...oduct 2 A separated audio connection is necessary 3 If the source device has an analog audio output connector connect the source device audio output to DVI Audio In port located on the left side of HD...

Page 23: ...f headphones at a high volume may damage your hearing You will not receive sound from the speakers when you connect headphones to the system Analog Audio Cable Stereo to RCA type not supplied with the...

Page 24: ...to MP3 songs 4 Digital Out Connect various types of digital audio equipment 5 HDMI In Connect a HDMI device to receive digital audio and uncompressed digital video 6 VIDEO In Connect the video signal...

Page 25: ...Press to open the on screen menu A Thumbstick Up Down Left Right Allows you to navigate the on screen menus and adjust the system settings to your preference B SLEEP button Press to display the sleep...

Page 26: ...Electrical Parts 7 1 Block Diagram 25 HDMI1 VGA YPbPr tuner Composite MT5305 Main IC YPbPr Composite L R VGA P11 L R DDR Flash TDA1517 P A N E L USB LVDS EEPROM I2C Bus Service Manual DDR Model No HL...

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