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ERAE Electronics Industry ELT-3020AP, Service Manual

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ELT-3020AP SERVICE MANUAL

      E-RAE ELECTRONICS

 

MODEL NAME 

DOCUMENT NO 

REVISION NO 

REVISION DATE 

PAGE 

ELT-3020AP 

RD(1) 

00 

04/03/31 

32/55

 

 

CIRCUIT OPERATION & WAVEFORM 

■ VPC3230D (Video Processor) 

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 (VPC323OD)_#28_S-LLC1 

U42 (LM2937-3.3V)_#3_V3.3 

 

 

LC18 (STS104B)_#2_VAA3230 

U40 (LM2937-3.3V)_#3_V3.3V-1 

Summary of Contents for ELT-3020AP

Page 1: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 1 55...

Page 2: ...OL DESCRIPTIONS 7 REMOTE CONTROL BUTTONS 9 INSPECTION CRITERIA 11 BLOCK WIRING DIAGRAM 12 MODULE BASIC CONFIGURATION 14 A D BOARD PIN CONFIGURATION 15 OSD MENU FACTORY 19 DESCRIPTION OF A D FUNCTIONS...

Page 3: ...3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 3 55 EXPLODED VIEW PARTS LIST 47 REPLACEMENT PARTS LIST PAL TV 50 EXPLODED VIE...

Page 4: ...SXGA 2 Tuner PAL SECAM 2 Input Voltage AC 100V 240V 50 60Hz 2A 3 Power Consumption 150W Stand by 5W 4 LCD Module V296W1 CHIMEI 5 Speaker Impedance 8 6 Sound Output 7W 7W Max 7 Feature AV Input Compon...

Page 5: ...Video Input Level Y Cb Pb Cr Pr 0 6 0 7 0 8 Vpp Analog RGB H V Input Level 0 6 0 7 0 8 Vpp 2 COMPONENT Mode Y Cb Pb Cr Pr RESOLUTION H Freq KHz V Freq Hz Proposed 720 480 15 73 60 00 SDTV DVD 480i 72...

Page 6: ...NICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 6 55 10 RS 232C Signal Pin No Pin Name Spec Pin No Pin Name Spec 1 DCD NC 6 DSR NC 2 RXD 12 Vpp 7 RTS NC 3 TXD 12...

Page 7: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 7 55 CONTROL DESCRIPTIONS...

Page 8: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 8 55...

Page 9: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 9 55 REMOTE CONTROL BUTTONS...

Page 10: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 10 55 TELETEXT FUNCTION...

Page 11: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 11 55 INSPECTION CRITERIA...

Page 12: ...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 G B F B S V ID E O A U D...

Page 13: ...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 E L T 3 0 2 0 A P 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 0 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...

Page 14: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 14 55 MODULE BASIC CONFIGURATION V296W1...

Page 15: ...1 BKL_ON O BACKLIGHT_ON LCD Backlight ON CON4 12 POWER_ ON OFF O POWER_ON OFF POWER ON_OFF Control 1 GND GND Ground 2 LEDG O LED_GREEN GREEN LED CONTORL OUTPUT PORT High Green LED On 3 LEDR O LED_RED...

Page 16: ...BY 17 HEAD_MUTE I HEAD_MUTE Head Phone Mute 18 GND GND Ground 19 SDA3 SDA3 I2C Protocol J5 20 SCL3 SCL3 I2C Protocol 1 VCC5 VCC5 Power Supply 5 0V 2 VCC5 VCC5 Power Supply 5 0V 3 SCART_R I SCART_R Fu...

Page 17: ..._SC_R_IN I H_SC_R_IN Half Scart Right Sound Input 7 GND 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 GND Ground 11 SVIDEO_...

Page 18: ...put Channel 1 10 GND 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 GND Ground 14 ODDCLK O RXCLK Negative...

Page 19: ...rating 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 w...

Page 20: ...N DATE PAGE ELT 3020AP RD 1 00 04 03 31 20 55 CALIBRATION MENU CALIBRATION MENU n 1 PC Calibration Automatic adjustment as the fittest status of white balance for analogue input PC n 2 DTV Calibration...

Page 21: ...fier 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 col...

Page 22: ...stment 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 Sub...

Page 23: ...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 input p...

Page 24: ...osite 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 color...

Page 25: ...mposite 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 colo...

Page 26: ...ch 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 Range F...

Page 27: ...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 White...

Page 28: ...REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 28 55 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 It i...

Page 29: ...03 31 29 55 SETUP MENU SETUP MENU n 1 TTX Language Installation of initial language of the TTX n 2 Video Video format per country and it is composed of Normal NTSC PAL N M n 3 Protocol Installation of...

Page 30: ...nlarges the picture within the outer perimeter of the screen without expanding the central area PIP Picture In Picture Function to enable the simultaneous viewing of two pictures by displaying a small...

Page 31: ...03 31 31 55 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 t...

Page 32: ...1 32 55 CIRCUIT OPERATION WAVEFORM VPC3230D Video Processor Converts analog pictures including Composite S Video Component 480i or the like to Y UV digital pictures Compatible with various TV formats...

Page 33: ...AE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 33 55 LC16 STS104B _ 2_VAA3230_1 U41 VPC3230D _ 28_VID_CLK U41 VPC3230D _ 53_INTLC U41 VPC3230D _ 57_VI...

Page 34: ...03 31 34 55 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 AD98...

Page 35: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 35 55 U1 LM2937 _ 3_ VO...

Page 36: ...ignal 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 receives...

Page 37: ...s 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 Headpho...

Page 38: ...ME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 38 55 Power MISC Waveform LC20 STS104B _ 2_C344_5VST LC21 STS104B _ 2_C353_5VDD U15 RC1117_3 3V _ 2_VCC3 L10 33uH _ 2_R410_VCC...

Page 39: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 39 55 MODULE POWER SEQUENCE V296W1 Power for LAMP 10...

Page 40: ...supply the pattern of above picture Timing 386 Pattem 10 2 After movement to 2 color control on Factory Mode2 move to sub menu as choice of volume button 3 After check the Brightness 50 Contrast 85 ch...

Page 41: ...41 55 3 For DTV adjustment 1 Signal Generator supply the pattern of above picture Timing 395 Pattem 251 Reverse 720P 60Hz 2 After movement to 1 calibration on Factory Mode move to sub menu as choice...

Page 42: ...ove picture Timing 313 Pattem 609 1024 x 768 60Hz 2 After movement to 1 calibration on Factory Mode move to sub menu as choice of volume button 3 After movement to 2 PC Calibration choose it with volu...

Page 43: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 43 55 POWER BOARD PIN CONFIGURATION...

Page 44: ...chemicals for cleaning because the surface of polarizer is very soft and easily scratched 8 Moisture can easily penetrate into LCD module and may cause the damage during operation 9 High temperature...

Page 45: ...3020AP RD 1 00 04 03 31 45 55 TROUBLE SHOOTING 1 No Power Nothing output of image Check Input of AC 90V 225V Check ST BY LED ON Main S W ON Check LED YELLOW Sub S W ON Check a connective condition and...

Page 46: ...nal Input DVD Signal Input Tuner CVBS CVBS F H SCART S Video Signal Input F SCART RGB Signal Check BA7657 U8 Check AD9883 U2 Check Cable Abnormal Normal Normal Check connector Speaker to set Check MSP...

Page 47: ...135 WIRE ASSY SPK WIRE 4P 600 800MM REV 02 14 50 0142 WIRE ASSY LVDS WIRE 30P 200MM 15 50 0147 WIRE ASSY AC POWER WIRE 2P 330MM 16 50 0148 WIRE ASSY IR WIRE 6P 450MM 17 50 0149 WIRE ASSY INVERTER WIRE...

Page 48: ...D SUPPROT ZNDC SPRAY 53 72AECR023 RUBBER FOOT NBR 1 5 X 9 5 54 72AELR131 RUBBER FOOT RUBBER 2TX50X15 55 72HELI084 GASKET PM 15TX400X17 56 72HELI085 GASKET PT 15TX200X17 57 72HELI087 GASKET PY 15TX130X...

Page 49: ...TT 3X10 2S ZW 86 74C2BN4010FB T SCREW BH TT 4X10 ZB 87 74C2FN3008FW T SCREW FH TT 3X8 2S ZW 88 74GELC0016 4 8mm M3 89 74GELC0017 5 8mm M3 90 74GELM014 GRAOUND SCREW PH M 4X6 SPECIAL 91 89AELB2082 BOX...

Page 50: ...AF D PAK 12 01 0073 IC K4S643232E TSSOP II 13 01 0088 IC REG KIA7805AF D PAK 14 01 0089 IC REG KIA7808AF D PAK 15 01 0098 IC TDA7266 MULTI WATT15V 16 01 0108 IC DS232AS SO 16 17 01 0225 IC MCU HMS87C1...

Page 51: ...60 SOD 106 8 04 0127 DIODE 1SR154 400 9 04 0128 DIODE KDZ8 2EV RTK 10 04 0129 LED SRM3671 11 33 0002 IR RECE IVER KSM 603TM2 CAPACITOR 1 10 0004 CC CHIP 25V 101J 1608 TP 2 10 0009 CC CHIP 25V 330J 160...

Page 52: ...TP 32 11 0055 EC SMD MV 50V 1UF 4X5 3 TP 33 11 0117 EC SHL 25V 680UF 10X16 34 11 0122 EC SMD MV 50V 100UF 8X10 TP 35 11 0123 EC SMD MV 16V 33UF 6 3X5 TP 36 11 0143 EC SMD MV 25V 470UF 10X10 TP 37 11...

Page 53: ...392F TP 33 14 0462 R ARRAY 164P 750J TP 34 14 0467 R CHIP 1608 4R7F TP 35 14 0476 R CHIP 1608 474F TP 36 14 0477 R CHIP 1608 181F TP 37 14 0479 R CHIP 1608 105F TP 38 14 0485 R CHIP 1608 224F TP 39 1...

Page 54: ...2 0254 WAFER GT121 21P LD 8 52 0265 WAFER SMAW200 06 9 52 0266 WAFER 10022HS 24A00 10 52 0268 WAFER YAW396 03 11 52 0269 WAFER 53014 0310 12 52 0271 WAFER GT121 31P LD 13 53 0059 JACK PJ6046B 04 S VID...

Page 55: ...ELT 3020AP SERVICE MANUAL E RAE ELECTRONICS MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE ELT 3020AP RD 1 00 04 03 31 55 55 EXPLODED VIEW...

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