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DLP-2622 SERVICE MANUAL

           

 

MODEL NAME 

DOCUMENT NO 

REVISION NO 

REVISION DATE 

PAGE 

DLP-2622 

ELT040605-002 

00 

04/06/05 

35

/71

 

 

10. AVL (Auto Volume Level)   

Function  to  automatically  adjust  varying  sound  levels  from  each  individual  broadcasting  company  to  an 
appropriate volume, in case of watching a television connected to external equipment. This allows to viewer 
to enjoy a comfortable and stable sound level even when changing the channel.

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CIRCUIT OPERATION & WAVEFORM 

 

1. VPC3230D (Video Processor) 

Summary of Contents for DLP-2622

Page 1: ...JUN 2004 Model DLP 2622 DLP2622001 26 LCD LiquidCystalDisplay TV...

Page 2: ...ON 4 SPECIFICATION 5 CONTROL DESCRIPTIONS 7 REMOTE CONTROL BUTTONS 9 TELETEXT FUNCTIONS 10 PIN CONFIGURATION 11 FACTORY MENU 20 WHITE BALANCE ADJUSTMENT 31 DESCRIPTION OF SPECIAL FUNCTIONS 34 CIRCUIT...

Page 3: ...MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 3 71 DISASSEMBLY PROCEDURE 50 TROUBLE SHOOTING 54 REPLACEMENT PARTS LIST 56 RS 232C COMMUNICATION 65 WIRING DIA...

Page 4: ...AME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 4 71 REVISION HISTORY VERSION DATA DESCRIPTION NOTE 00 2004 06 11 Note Specification and others are subject to change...

Page 5: ...nsumption 140W 5 LCD Module LTA260W1 SEC 6 Speaker Impedance 8 7 Sound Output 7W 7W Max 8 Feature AV Input Component1 Input DVD Component2 Input DTV D SUB Analog RGB 15 pin S Video Input Composite Inp...

Page 6: ...p Analog RGB Level 0 6 0 7 0 8 Vpp H V Sync Input Level 3 5 3 7 4 5 Vpp 3 COMPONENT Mode Y Cb Pb Cr Pr RESOLUTION H Freq KHz V Freq Hz Timing Note 720 480 15 73 60 00 480i 720 576 15 63 50 00 576i Com...

Page 7: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 7 71...

Page 8: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 8 71...

Page 9: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 9 71 REMOTE CONTROL BUTTONS...

Page 10: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 10 71 Teletext Function...

Page 11: ...ustment Min 3V Max 0V 10 GND G GND Ground 11 BKL_ON O BACKLIGHT_ON LCD Backlight ON ON high OFF low CON4 12 POWER_ ON OFF O POWER_ON OFF POWER ON_OFF Control ON low OFF high 1 GND G GND Ground 2 LEDG...

Page 12: ...round 19 SDA3 I SDA3 I2C Bus DATA J5 20 SCL3 O SCL3 I2C Bus CLK 1 VCC5 O VCC5 Power Supply 5 0V 2 VCC5 O VCC5 Power Supply 5 0V 3 SCART_R I SCART_R Full Scart Red Input 4 SCART_G I SCART_G Full Scart...

Page 13: ..._DET I AV_CVBS_DET Composite Check Signal Input 10 GND G GND Ground 11 SVIDEO_L_IN I SVIDEO_L_IN SVIDEO_Left Sound Input 12 SVIDEO_R_IN I SVIDEO_R_IN SVIDEO_Right Sound Input 13 GND G GND Ground 14 PC...

Page 14: ...GND Ground 14 ODDCLK O RXCLK Negative LVDS Differential Clock input 15 ODDCLK O RXCLK Positive LVDS Differential Clock input 16 GND G GND Ground 17 ODD3 O RX3 Negative LVDS Differential data input Cha...

Page 15: ...ound 19 F_CVBS_L_OUT O F_CVBS_L_OUT Full Scart Composite Left Sound Output 20 F_CVBS_R_OUT O F_CVBS_R_OUT Full Scart Composite Right Sound Output 21 GND G GND Ground 22 H_CVBS_L_OUT O H_CVBS_L_OUT Hal...

Page 16: ...VCC12 I VCC12 Power Supply 12 0V 3 VCC5A I VCC5A Power Supply 5 0V 4 MSP_L_OUT1 O MSP_L_OUT1 MSP LEFT Sound Output1 5 MSP_R_OUT1 O MSP_R_OUT1 MSP RIGHT Sound Output1 6 GND G GND Ground 7 MSP_L_OUT2 O...

Page 17: ...6 VOL O 3 3V 0V SOUND CONTROL VOLUME UP 7 VOL O 3 3V 0V SOUND CONTROL VOLUME DOWN CON1 8 GND G GND Ground 5 IR LED BOARD PIN CONFIGURATION I Input Port O Out Port G Ground I O Input Output Port NC Not...

Page 18: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 18 71...

Page 19: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 19 71 7 MODULE BASIC CONFIGURATION LTA260W1 SEC...

Page 20: ...PW565 Adjustment of contrast and brightness for scaler input port CH1 or CH2 n 5 VPC3230 MAIN Value adjustment for video decoder s brightness and contrast color tickness in the main window n 6 VPC3230...

Page 21: ...2622 ELT040605 002 00 04 06 05 21 71 CALIBRATION MENU n 1 PC Calibration Automatic adjustment as the fittest status of white balance for analogue input PC n 2 DTV Calibration Automatic adjustment as...

Page 22: ...f screen quality improvement fuction when TV input signal is weak n Blue Screen When there are no input signal of the TV and external equipment you can install the screen color as blue n Melody Volume...

Page 23: ...n Blue for scaler generating power n Brightness The brightness adjustment of current screen Adjustment value of brightness for User Menu n TTX Bright It is not useful mode n Sub Contrast Contrast adju...

Page 24: ...The contrast value adjustment of each Red Green Blue for scaler input port CH1 OR CH2 n Red Green Blue Offset The brightness adjustment of each Red Green Blue for scaler input port CH1 OR CH2 n APL n...

Page 25: ...al n ACC_SAT n TINT The color sense adjustment of Composite S Video form s signal n SATCb The blue color sense adjustment of Component RGB form s signal n SATCr The red color sense adjustment of Compo...

Page 26: ...s signal n ACC_SAT n TINT The color sense adjustment of Composite S Video form s signal n SATCb The blue color sense adjustment of Component RGB form s signal n SATCr The red color sense adjustment o...

Page 27: ...el n Red Green Blue Offset Control dc offset Brightness of each respective channel n Current Installation of PLL Part VCO Current For test n VCO Installation of PLL Part VCO Range For test n Pr Y Pb G...

Page 28: ...e mode to change the heatrun pattern as a certain time interval n 2 Luma Ramp 16 Step It is gray pattern of 16 Step n 3 Luma Ramp 128 Step It is gray pattern of 128 Step n 4 White 16 It is low Gray pa...

Page 29: ...PAGE DLP 2622 ELT040605 002 00 04 06 05 29 71 VERSION MENU n Version It is to show the Firmware Version n Release It is to show the date of Firmware revision n Panel Used Time It is to show the used t...

Page 30: ...TX Language Installation of initial language of the TTX 2 Video Video format per country and it is composed of Normal PAL N PAL M n 3 Protocol Installation of communication protocol for remote control...

Page 31: ...HF 625 VF 50 Resolution 768 576 Pattem 10 Window ON OFF R_Level 50 G_Level 50 B_Level 50 2 After movement to 3 color control on Factory Mode move to sub menu as choice of volume button 3 After check...

Page 32: ...upply the pattern of above picture Timing 395 Name HD 720P 60Hz HF 45 VF 60 Resolution 1280 720 Pattem 251 Color Bar 16 2 After movement to 1 calibration on Factory Mode move to sub menu as choice of...

Page 33: ...004 Resolution 1024 768 Pattem 609 Toshiba 2 After movement to 1 calibration on Factory Mode move to sub menu as choice of volume button 3 After movement to 1 PC Calibration choose it with volume butt...

Page 34: ...erimeter of the screen without expanding the central area 5 PIP Picture In Picture Function to enable the simultaneous viewing of two pictures by displaying a small sub frame within the main picture T...

Page 35: ...el Function to automatically adjust varying sound levels from each individual broadcasting company to an appropriate volume in case of watching a television connected to external equipment This allows...

Page 36: ...0605 002 00 04 06 05 36 71 Converts analog pictures including Composite S Video Component 480i or the like to Y UV digital pictures Compatible with various TV formats of NTSC PAL SECAM etc U41 VPC323O...

Page 37: ...7 71 LC16 STS104B _ 2_VAA3230_1 U41 VPC3230D _ 28_VID_CLK U41 VPC3230D _ 53_INTLC U41 VPC3230D _ 57_VID VS U41 VPC3230D _ 56_VID HS 2 AD9883 A D Converter Converts an analog RGB signal to a process ab...

Page 38: ...MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 38 71 U2 AD9883 _ 30_ Hsync0 U2 AD9883 _ 31_Vsync0 U2 AD9883 _ 67_DATACK U2 AD9883 _ 64_VSOUT U2 AD9883 _ 65_S...

Page 39: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 39 71 U1 LM2937 _ 3_ VO 3 PW565 Scaler...

Page 40: ...og Digital RGB signal and a Component signal which are converted at AD9883 and THC63DV151 adjusted to a LCD display and transmitted to a LCD module In particular it receives any PC signal input at var...

Page 41: ...gnal from a TV Tuner to a general audio signal LCD TV Also outputs the desired input signal out of many audio input signal options and produces a woofer signal or Headphone signal as well as a general...

Page 42: ...OCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 42 71 LC20 STS104B _ 2_C344_5VST LC21 STS104B _ 2_C353_5VDD U15 RC1117_3 3V _ 2_VCC3 L10 33uH _ 2_R410_VCC12 Q33 MMBT3904 _...

Page 43: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 43 71 MODULE POWER SEQUENCE LTA260W1 SEC 1 Power ON OFF Sequence Power for LAMP 10...

Page 44: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 44 71 LTA260W1 SEC 1 Power ON OFF Sequence MODULE PRECAUTIONS...

Page 45: ...e It might permanent damage to the polarizer due to chemical reaction g If the liquid crystal material leaks from the panel it should be kept away from the eyes or mouth In case of contact with hands...

Page 46: ...onnected directly The longer cable between the back light and the inverter may cause lower luminance of lamp CCFT and may require higher startup voltage Vs 1 4 Others a Ultra violet ray filter is nece...

Page 47: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 47 71 2 Replacement Parts List Item Code Description...

Page 48: ..._DECO_FRAME 17 70UELM506 LED_DECO_SENSOR 18 S110236011 IR LED BOARD ASSY 19 S110237003 OSD BOARD ASSY 20 70AELM4311 FUNCTION KNOB 21 S110235003 POWER S W ASSY 22 70AELM4341 POWER KNOB 23 70CELM4941 KN...

Page 49: ...010FB T SCREW BH T 3X10 2S ZB 43 74C2FN3008FW T SCREW FH TT 3X8 2S ZW 44 74J2FN5010FW M SCREW FH M 5X10 ZW NYLON PATCH LOCK 45 74A9BZ5012FB M SCREW BH M 5X12 ZB 46 74C2BN4010FB T SCREW BH TT 4X10 ZB 4...

Page 50: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 50 71 3 BH M 4 X 6 ZN SCREW FRAME SUPPORT 4 BH M 3 X 6 ZN SCREW SHIELD MAIN SHIELD A...

Page 51: ...2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 51 71 5 1 8 WIRE 6 BH M 4 X 6 ZN SCREW AC INLET BH M 4X 6 SCREW KNOB GUIDE 7 BH M 3 X 6 BO...

Page 52: ...MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 52 71 8 BH M 4 X 6 PCB BRKT BH T 3X10 ZB SPEAKER ASSY PCB Bracket SPEAKER ASSY 8 BH T 4 X 10 ZB FRONT 9 BH M 4...

Page 53: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 53 71 10 WIRE TROUBLE SHOOTING 1 No Power...

Page 54: ...002 00 04 06 05 54 71 2 No Video Nothing output of image Check Input of AC 90V 225V Check St by LED ON Red Main S W ON Check LED Green Sub S W ON Check a connective condition and various connector Con...

Page 55: ...CVBS CVBS F H SCART S Video Signal Input F SCART RGB Signal Check BA7657 U8 Check AD9883 U2 Check THC63LVDM83R U46 Abnormal Normal Normal Check connector Speaker to set Check MSP3450G U45 Check TDA72...

Page 56: ...31002 A D BOARD ASSY ELT 2600AP S110438002 WIRE ASSY ELT 2600AP S110410011 MAIN ASSY DLP 2622 97EW13 FILAMENT TAPE 10X30 54 0011 SOCKET ID 064C S NOISE FILTER 60 0069 26 PSU PMR 2093DW DEAWOO ELECTRON...

Page 57: ...45 WIRE ASSY INVERTER WIRE 15P 150MM Rev 01 ELT 2600AP 50 0141 WIRE ASSY AC POWER WIRE 2P 220MM ELT 2600AP 50 0138 WIRE ASSY LVDS WIRE 31P 150MM ELT 2600AP S110421002 PANEL ASSY ELT 2600AP 65 0044 LCD...

Page 58: ...M2937IMP 3 3 SOT 223 01 0020 IC REG LM317EMP SOT 223 01 0034 IC THC63LVDM83R TSOP 56 01 0040 IC EEPROM 24LC16B SOP 08 01 0041 IC EEPROM 24LC21A SOP 08 01 0053 IC TTL 74LCX14M SOP 14 01 0055 IC TTL SN7...

Page 59: ...608 TP 10 0029 CC CHIP 25V 473K 1608 TP 10 0053 CC CHIP 25V 392K 1608 TP 10 0057 CC CHIP 10V 684Z 1608 TP 10 0058 CC CHIP 25V 200J 1608 TP 10 0059 CC CHIP 25V 471J 1608 TP 10 0060 CC CHIP 25V 334Z 160...

Page 60: ...21P LD 52 0266 WAFER 10022HS 24A00 52 0271 WAFER GT121 31P LD 74GELC0016 4 8mm M3 74GELC0017 5 8mm M3 S110451002 A D BOARD ASSY BOTTOM SMD ELT 2600AP 01 0068 IC QS3257 SOP 16 02 0012 TR MMBT3904 SOT...

Page 61: ...CHIP 1608 391F TP 14 0470 R CHIP 1608 132F TP 14 0476 R CHIP 1608 474F TP 14 0477 R CHIP 1608 181F TP 14 0507 R CHIP 1608 362F TP 17 0023 BEAD HCB 4516K 600T60 20 0001 FILTER NOISE STS104B 2012 5 TP...

Page 62: ...S110246003 TUNER BOARD ASSY SMD ELT 3000P 01 0234 IC TS482 IDT SO 8 01 0267 IC BA6161F SOP8 02 0012 TR MMBT3904 SOT 23 04 0005 DIODE BAV99 SOT 23 04 0125 DIODE MMBD4148 SOT 23 04 0126 DIODE RB160L 60...

Page 63: ...SPACER D H 3MM S110235003 POWER S W BOARD ASSY ELT 2600P 3000P 3020P 22 0013 S W AC POWER SDDFC30300 31 0220 PCB E81 U004 08 PB00 REV 03 POWER S W 52 0268 WAFER YAW396 03 S110411011 PACKING ASSY DLP...

Page 64: ...ODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 3022 ELT040607 001 00 04 06 07 64 71 90 2622D L02P EXP 00 MANUAL ART 26 DLP 2622 RS 232C Communication 1 Type of connector D Sub 9 pin male Use...

Page 65: ...at each pair of data lines cross between the two devices These data Line pairs are RXD Receive to send and TXD Transmit data DTR DTE side ready and DSR DCE side ready and RTS Ready to send and CTS Cle...

Page 66: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 3022 ELT040607 001 00 04 06 07 66 71 5 Transmission Receiving Protocol List 6 Commands...

Page 67: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 3022 ELT040607 001 00 04 06 07 67 71...

Page 68: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 3022 ELT040607 001 00 04 06 07 68 71...

Page 69: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 3022 ELT040607 001 00 04 06 07 69 71...

Page 70: ...I N V E R T E R I N V E R T E R C N 3 C N 4 C N 2 D L P 2 6 2 2 L C D T V W I R I N G D I A G R A M 2 4 P L C D P A N E L 2 0 P 1 5 P 1 5 P A C I N N E T J 1 J 2 6 P 1 2 P 8 P 2 4 P 2 1 P P 3 S P E A...

Page 71: ...B A 76 5 7 U 2 8 S W IT C H T U N E R C V B S C O M P O S IT E IN F U L L S C A R T V ID E O IN O U T F U L L S C A R T R G B S C A R T R G B R G B F B Y P b P r S D A 5 5 5 0 U 2 6 T T X T T X R G B...

Page 72: ...DLP 2622 SERVICE MANUAL MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 3022 ELT040607 001 00 04 06 07 72 71...

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