E-RAE Electronics DLP-2622 Service Manual Download Page 54

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DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME

DOCUMENT NO

REVISION NO

REVISION DATE

PAGE

DLP-2622

ELT040605-002

04/06/05

54/71

TROUBLE SHOOTING

1. No Power

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.

Connect plug with the set.

Check AC Line Fuse

Abnormal

Normal

Summary of Contents for DLP-2622

Page 1: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 1 71 Service Manual 26inch LCD TV Liquid Crystal Display...

Page 2: ...S REVISION 4 SPECIFICATION 5 CONTROL DESCRIPTIONS 7 REMOTE CONTROL BUTTONS 9 TELETEXT FUNCTIONS 10 PIN CONFIGURATION 1 1 FACTORY MENU 20 WHITE BALANCE ADJUSTMENT 31 DESCRIPTION OF SPECIAL FUNCTIONS 34...

Page 3: ...TRONICS 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 5 6 RS 232C COMMUNICATION 65 W...

Page 4: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 4 71 REVISION HISTORY VERSION DATA DESCRIPTION NOTE...

Page 5: ...VGA SXGA 2 Tuner PAL SECAM 3 Input Voltage AC 100V 240V 50 60Hz 2A 4 Power Consumption 140W 5 LCD Module LTA260W1 SEC 6 Speaker Impedance 8 7 Sound Output 7W 7W Max 8 Feature AV Input Component1 Input...

Page 6: ...Video Input Level Y Cb Pb Cr Pr 0 6 0 7 0 8 Vpp 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...

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

Page 8: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS 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 E RAE ELECTRONICS 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 E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 11 10 71 Teletext Function...

Page 11: ...tness Adjustment 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 Groun...

Page 12: ...nd by 17 HEAD_MUTE I HEAD_MUTE Not used 18 GND G GND Ground 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_...

Page 13: ..._SC_R_IN I H_SC_R_IN Half Scart Right Sound Input 7 GND G GND Ground 8 AV_CVBS_IN I AV_CVBS_IN Composite Video Input 9 AV_CVBS_DET I AV_CVBS_DET Composite Check Signal Input 10 GND G GND Ground 11 SVI...

Page 14: ...GND Ground 11 ODD2 O RX2 Negative LVDS Differential data input Channel 2 12 ODD2 O RX2 Positive LVDS Differential data input Channel 2 13 GND G GND Ground 14 ODDCLK O RXCLK Negative LVDS Differential...

Page 15: ...Half Scart Check Signal Output 14 GND G GND Ground 15 F_CVBS_OUT O F_CVBS_OUT Full Scart Composite Output 16 GND G GND Ground 17 H_CVBS_OUT O H_CVBS_OUT Half Scart Composite Output 18 GND G GND Groun...

Page 16: ...Right Sound Output 3 TUNER BOARD PIN CONFIGURATION I Input Port O Out Port G Ground I O Input Output Port NC Not Connected Pin No I O Specification Description 1 VCC12 I VCC12 Power Supply 12 0V 2 VC...

Page 17: ...V OSD MENU Display 4 CH O 3 3V 0V TV CHANNEL CONTROL UP 5 CH O 3 3V 0V TV CHANNEL CONTROL DOWN 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...

Page 18: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 18 71 6 POWER BOARD PIN CONFIGURATION...

Page 19: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS 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: ...erating power n 4 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...

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

Page 22: ...mplifier On Off Installation of 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...

Page 23: ...djustment of each Red Green 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...

Page 24: ...MENU n Red Green Blue Gain 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 inp...

Page 25: ...Composite S Video form 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 co...

Page 26: ...f Composite S Video form 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...

Page 27: ...each respective channel 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 Rang...

Page 28: ...ENU n 1 Auto Run It is the 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 W...

Page 29: ...ON DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 29 71 10 VERSION MENU 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...

Page 30: ...SETUP MENU SETUP MENU n 1 TTX 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...

Page 31: ...10 Timing 386 Name PAL B D G H I 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...

Page 32: ...djustment 1 Signal Generator supply 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...

Page 33: ...g 313 Name 1024 768 HF 48 363 VF 60 004 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 Ca...

Page 34: ...ted on the center it naturally enlarges the picture within the outer perimeter of the screen without expanding the central area 5 PIP Picture In Picture Function to enable the simultaneous viewing of...

Page 35: ...sound according to frequency 100Hz 300Hz 1KHz 3KHz 10KHz 10 AVL Auto Volume Level Function to automatically adjust varying sound levels from each individual broadcasting company to an appropriate vol...

Page 36: ...05 36 71 CIRCUIT OPERATION WAVEFORM 1 VPC3230D Video Processor Converts analog pictures including Composite S Video Component 480i or the like to Y UV digital pictures Compatible with various TV forma...

Page 37: ...ECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 37 71 LC16 STS104B _ 2_VAA3230_1 U41 VPC3230D _ 28_VID_CLK U41 VPC3230D _ 53_INTLC U41 VPC3230D _ 57_...

Page 38: ...06 05 38 71 2 AD9883 A D Converter Converts an analog RGB signal to a process able digital signal Converts a component signal 480p 720p 1080i to a digital signal and transmits it to PW565 Scaler U2 A...

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

Page 40: ...eo signal from VPC3230 an Analog 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 recei...

Page 41: ...ives and converts any Sound IF signal 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 Head...

Page 42: ...UMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 42 71 5 Power MISC Waveform LC20 STS104B _ 2_C344_5VST LC21 STS104B _ 2_C353_5VDD U15 RC1117_3 3V _ 2_VCC3 L10 33uH _ 2_R410_...

Page 43: ...2 SERVICE MANUAL E RAE ELECTRONICS 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 L...

Page 44: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS 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...

Page 45: ...e type materials ex Acetone Ethyl alcohol Toluene Ethyl acid or Methyl chloride It might permanent damage to the polarizer due to chemical reaction g If the liquid crystal material leaks from the pane...

Page 46: ...t connector and its inverter power supply shall be a minimized length and be connected directly The longer cable between the back light and the inverter may cause lower luminance of lamp CCFT and may...

Page 47: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 47 71 1 Exploded overview...

Page 48: ...42 FRAME_SUPPORT 14 70AELM493 BACK_COVER 15 71BELP273 BRKT IN LET 16 70AELM505 LED_DECO_FRAME 17 70UELM506 LED_DECO_SENSOR 18 S110236011 IR LED BOARD ASSY 19 S110237003 OSD BOARD ASSY 20 70AELM4311 FU...

Page 49: ...PH M 4X6 SPECIAL 40 74B2BN3008FB T SCREW BH T 3X8 2S ZB 41 74B2CN3006FB T SCREW BH TT 3X6 2S ZB 42 74B2BN3010FB T SCREW BH T 3X10 2S ZB 43 74C2FN3008FW T SCREW FH TT 3X8 2S ZW 44 74J2FN5010FW M SCREW...

Page 50: ...ONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 50 71 3 Disassembly Procedure 1 BH M 5X12 ZB 6 STAND ASSY 2 BH TT 4X8 BH M 4X10 ZB BH TT 4X10 BACK COVER...

Page 51: ...E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 51 71 4 BH M 3 X 6 ZN SCREW SHIELD MAIN SHIELD A 5 1 8 WIRE 6 BH M 4 X 6 ZN SCREW AC INLET BH...

Page 52: ...CE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 52 71 7 BH M 3 X 6 BOARD 8 BH M 4 X 6 PCB BRKT BH T 3X10 ZB SPEAKER ASSY PCB Bracke...

Page 53: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 2622 ELT040605 002 00 04 06 05 53 71 8 BH T 4 X 10 ZB FRONT 9 BH M 4 X 6 ZN FRAME X FRAME Y 10 WIRE...

Page 54: ...LT040605 002 00 04 06 05 54 71 TROUBLE SHOOTING 1 No Power 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...

Page 55: ...DVD Signal Input Tuner 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 M...

Page 56: ...600AP S110423011 ACCESSORY ASSY DLP 2622 S110431002 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 FI...

Page 57: ...E ASSY OSD WIRE 8P 800MM ELT 2600AP 50 0146 WIRE ASSY IR WIRE 6P 410MM ELT 2600AP 50 0152 WIRE ASSY FFC 24PX150mm 50 0145 WIRE ASSY INVERTER WIRE 15P 150MM Rev 01 ELT 2600AP 50 0141 WIRE ASSY AC POWER...

Page 58: ...14 0310 53 0059 JACK PJ6046B 04 S VIDEO 53 0060 JACK PPJ122A 11 71BELP315 HEAT SHINK AL 28X28X13 S110441002 A D BOARD ASSY TOP SMD ELT 2600AP 01 0019 IC REG LM2937IMP 3 3 SOT 223 01 0020 IC REG LM317E...

Page 59: ...18V Y 10 0009 CC CHIP 25V 330J 1608 TP 10 0016 CC CHIP 16V 224Z 1608 TP 10 0017 CC CHIP 16V 474Z 1608 TP 10 0021 CC CHIP 25V 102K 1608 TP 10 0023 CC CHIP 25V 104Z 1608 TP 10 0028 CC CHIP 25V 393K 1608...

Page 60: ...016 COIL 10UH 10X10 SMD 1 15A 16 0017 COIL 33UH 12X12 SMD 2 8A 17 0003 BEAD HB 1M2012 221JT 17 0004 BEAD HH 1M3216 121JT 17 0023 BEAD HCB 4516K 600T60 17 0037 BEAD HH 1M1608 600JT 20 0001 FILTER NOISE...

Page 61: ...14 0050 R CHIP 1608 470F TP 14 0052 R CHIP 1608 472F TP 14 0055 R CHIP 1608 473J TP 14 0067 R CHIP 1608 681F TP 14 0069 R CHIP 1608 750F TP 14 0107 R CHIP 1608 471F TP 14 0169 R CHIP 1608 131F TP 14...

Page 62: ...66 WAFER 10022HS 24A00 S110237003 OSD BOARD ASSY ELT 2600P 3000P 3020P 22 0002 S W TACT KLT 1105 4 3MM 31 0160 PCB E81 U004 02 PB00 REV 00 52 0218 WAFER SMW200 08 S110233003 TUNER BOARD ASSY ELT 2600P...

Page 63: ...F TP 14 0319 R CHIP 1608 363F TP 14 0322 R CHIP 1608 392F TP 14 0467 R CHIP 1608 4R7F TP 16 0052 COIL 4 7mH 3DM TYPE 17 0023 BEAD HCB 4516K 600T60 31 0173 PCB E81 U004 11 PB00 REV 02 52 0266 WAFER 100...

Page 64: ...2622 92CELB1021 PE BAG PE 1X1200X900 EPM 420 set 92FELV0351 AIR POLY BAG 145X200 SKD S110423011 ACCESSORY ASSY DLP 2622 27 0004 BATTERY AAA Type 55 0023 CABLE Scart Cable 1 2M 55 0027 CABLE RF CABLE...

Page 65: ...232C Communication 1 Type of connector D Sub 9 pin male Use a crossed reverse cable Wire the cable so that each pair of data lines cross between the two devices These data Line pairs are RXD Receive t...

Page 66: ...EL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 3022 ELT040607 001 00 04 06 07 66 71 3 Commuication Parameters BAUD RATE 9600bps Data Length 8bits Parity None Stop bit 1bit 4 Command List 5 Tra...

Page 67: ...DLP 2622 SERVICE MANUAL E RAE ELECTRONICS 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 E RAE ELECTRONICS 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 E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE DLP 3022 ELT040607 001 00 04 06 07 69 71...

Page 70: ...S U C N 1 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...

Page 71: ...5 B A 76 57 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 50 U 26 T T X T T X R G B R...

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