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Elenberg LTV - 4231, Service Manual

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ELENBERG 

LTV-3231,  LTV-3731,  LTV-4231 

Summary of Contents for LTV - 4231

Page 1: ...ELENBERG LTV 3231 LTV 3731 LTV 4231...

Page 2: ...C210 1uF C210 1uF R226 10K R226 10K R214 33K R214 33K R210 10K R210 10K 1 2 3 Q202 3904 Q202 3904 R270 NC 0 R270 NC 0 R219 10K R219 10K C218 1uF C218 1uF R217 33K R217 33K C206 47uF 16V C206 47uF 16V...

Page 3: ...DR6 2 RXB1 DR5 2 RXB1 DR4 2 RXB2 DR3 2 RXB2 DR2 2 RXBC DR1 2 RXBC DR0 2 RXB3 DG7 2 RXB3 DG6 2 RXB4 DG5 2 RXB4 DG4 2 RXA0 DG3 2 RXA0 DG2 2 RXA1 DG1 2 RXA1 DG0 2 RXA2 DB7 2 RXA2 DB6 2 RXAC DB5 2 RXAC DB...

Page 4: ...113 0 1uF C113 0 1uF C144 100uF 16V C144 100uF 16V C129 10nF C129 10nF R114 NC 180K_1 R114 NC 180K_1 R130 NC 2K R130 NC 2K CA101 470uF 25V CA101 470uF 25V C122 NC 330pF C122 NC 330pF R139 0 R139 0 R11...

Page 5: ...8A 10 C639 NC 330pF C639 NC 330pF 3 1 2 D637 BAV99 D637 BAV99 R600A 75 R600A 75 C672 47nF C672 47nF R681 NC 47K R681 NC 47K C699 47nF C699 47nF 1 2 L627 330_Ohm_200mA L627 330_Ohm_200mA R697 NC 0 R697...

Page 6: ...0 NC 3 1 2 D609 BAV99 D609 BAV99 R681A NC 0 R681A NC 0 L602 0 L602 0 L608 0 L608 0 R636 47 R636 47 C633 0 1uF C633 0 1uF R682A NC 0 R682A NC 0 R639 47 R639 47 R646 NC R646 NC R684A 100 R684A 100 C624...

Page 7: ...1 BAT54C R617 4 7K R617 4 7K 1 2 JP8 JP8 R606 1K R606 1K S1A 2 S1B 5 S1C 11 S1D 14 S2A 3 S2B 6 S2C 10 S2D 13 GND 8 EN 15 VCC 16 IN 1 DA 4 DB 7 DC 9 DD 12 N604 FSAV330 N604 FSAV330 R623 0 R623 0 R615 1...

Page 8: ...7KX4 7 5 3 1 8 6 4 2 RP314 RP4 7KX4 1 3 5 7 2 4 6 8 RP311 100Ohm RP311 100Ohm 1 3 2 Q301 3906 Q301 3906 R305 4 7K R305 4 7K C372 10nF C372 10nF R331 10 R331 10 C338 10nF C338 10nF R306 4 7K R306 4 7K...

Page 9: ...22uF 16V 1 2 L829 NC FB L829 NC FB 1 2 L830 FB L830 FB R810 10K R810 10K C806 0 1uF C806 0 1uF 1 1 2 2 3 3 4 4 XS801 NC XS801 NC R812 100 R812 100 R807 470 R807 470 C885 0 1uF C885 0 1uF 1 2 L826 NC F...

Page 10: ...91 IR REMOTE CONTROL RECEIVER 7 29000961 SPEAKER YDQ50F 1 8 10W 8 29001211 SPEAKER YDT816 R1AP 8 10W 9 27001227 FUSE 20N 020H L 2A A 10 11 35010636 MAIN BOARD ASS Y 35010636 12 35010956 KEY BOARD ASS...

Page 11: ...POWER SWITCH 6 21000391 IR REMOTE CONTROL RECEIVER 7 29001111 SPEAKER 8 27001227 FUSE 20N 020H L 2A A 9 10 35010636 MAIN BOARD ASS Y 35010636 11 35010956 KEY BOARD ASS Y 35010956 12 35010959 REMOTE C...

Page 12: ...The method to enter the factory mode of our LCD and CRT is Press buttom MENU and then press quickly the buttom RECALL DISPLAY 5 times...

Page 13: ...al 350 Lux viewing angle 90 45 45 display pattern Pure R G B Black and White inspection area active area Defect Type Accept Bright dot a random b two adjacent c three adjacent a N 1 b N 0 c N 0 Dark d...

Page 14: ...20 8 15 mm 5 mm...

Page 15: ...tance 30 50 cm ambient illumination 300 700 Lux nominal 500 Lux viewing angle 25 40 Vertical viewing angle 25o horizontal viewing angle 40o display pattern Pure R G B Black and White inspection area a...

Page 16: ...20 8 15 mm 5 mm...

Page 17: ...t steps and choose the proper test equipment to conduct adjustment otherwise good effect of TV set could not be obtained Pointed bias voltage value should be ensured during test to get satisfied test...

Page 18: ...set 4 Color Analyzer Chroma Model 7120 1 set 5 TV Video Signal Generator FLUKE PM54200 1 set 6 Remote controller with factory keys 1 set 7 AV VGA SCART HDMI Signal line etc 1 set 8 ALL 11C2 1 set 4 S...

Page 19: ...M5418 YPbPr YPbPr l SOURCE YPbPr ADC ADJ VOL AUTO TUNE OK NG 8 l Auto Color a AV TV l COLOR TEMP COLOR TEMP NOMAL R G B OFF R G B GAIN 9300 b Y Pb Pr l COLOR TEMP COLOR TEMP NOMAL R G B OFF R G B GAIN...

Page 20: ...l 12 Y Pb Pr SDTV 576P 480P HDTV 720p 1080i HDTV Receiver ATSC HDTV Tuner Component cable YPbPr SCART2 SDTV HDTV Y Pb Pr l 13 VGA INPUT PCVGA Cable TV BOX D SUB cable PC Mode 5 5 l Mode l PC l 14 HDM...

Page 21: ...bnormal phenomenon 2 Update NVRAM PC Debug Tool 1 Please refer to appendix 5 5 if there is abnormal phenomenon 3 Update HDMI EEPROM PC ALL 11 Debug Tool HDMI Cable 1 Please refer to appendix 5 5 if th...

Page 22: ...lor Signal Generator Enter black and white signal 1 Enter factory menu Select COLOR TEMP select COLOR TEMP NORMAL Adjustment R G B OFF to get black calibration Adjustment R G B GAIN chromaticity coord...

Page 23: ...DMI check SAMSUNG DVD HD948 Gdbbk DVD or HDMI of DVD HDMI cable HDMI Mode Please refer to appendix 5 6 1 Select SOURC Eand Select HDMI 2 Apiece Mode Screen is clear and fluent Audio checks if the outp...

Page 24: ...t and output to find whether short circuit or not 4 2 M B 1 2 V24 V24 CON3 3 V12 V12 CON3 M B 1 24V XS800 2 12V F801 3 5V F802 4 3 3V N807 5 3 3V N804 N808 6 2 5V N805 7 1 8V N806 PANEL 12V L823 8 PAN...

Page 25: ...4 The resistor of 3 3V output 3 3V output of connector N807 No short circuit 5 The resistor of 3 3V output 3 3V output of connector N804 N808 No short circuit 6 The resistor of 2 5V output 2 5V outpu...

Page 26: ...N803 12V 32 N833 5V 26 40 N808 VCC_5V L828 Tuner_5V N103 L827 5VA 12V N611 74HC4052 N604 N808 3 3V for HDMI SWITCH N201 5VA for TDA1308 N605 N606 IP4776CZ38 N601 N603 N608 24C02 L111 R253 MUTE 5VSTB_...

Page 27: ...f the color of LED is green the power supply for signal board N808 and N833 supply 5V N804 N807 N808 supply 3 3V power Test the PIN 2 N805 supply 2 5V Test the PIN 2 N806 supply 1 8V All these are for...

Page 28: ...as high level above 3V or not if not check whether fault soldered or short circuit happened 4 4 4 4 1 AV PC 5 90 4 4 2 User RGB B R 0 63 32 B G 0 63 32 B B 0 63 32 C R 0 205 128 C G 0 205 128 C B 0 20...

Page 29: ...3 Adjusting chromaticity coordinates of black and white to fit the requirement X 0 285 Y 0 293 or plug automatic calibration system to adjust white calibration automatically A FLASH 1 ALL 11 V3 10 FL...

Page 30: ...KLXXCSXXQ TS 14 3 Device PMC...

Page 31: ...KLXXCSXXQ TS 15 4 Serial EPROM PM25LV040 5 File Load File To Programmer Buffer...

Page 32: ...KLXXCSXXQ TS 16 6 File Formats Binary Unused Bytes FF OK...

Page 33: ...KLXXCSXXQ TS 17 7 Auto Run error IC...

Page 34: ...KLXXCSXXQ TS 18 B EDID 1 ALL 11 Device ATMEL 2 Serial EPROM AT24C02...

Page 35: ...KLXXCSXXQ TS 19 3 File Load File To Programmer Buffer 4 File Formats Binary Unused Bytes FF OK...

Page 36: ...KLXXCSXXQ TS 20 5 Auto Run error IC...

Page 37: ...KLXXCSXXQ TS 21 C HDCP KEY 1 ALL 11 Device ATMEL...

Page 38: ...KLXXCSXXQ TS 22 2 Serial EPROM AT24C04 3 File Load File To Programmer Buffer...

Page 39: ...KLXXCSXXQ TS 23 4 File Formats Binary Unused Bytes FF OK...

Page 40: ...KLXXCSXXQ TS 24 5 Auto Run error IC...

Page 41: ...KLXXCSXXQ TS 25 A 1 2 ISP_Tool V3 7 7 exe Config Connect...

Page 42: ...KLXXCSXXQ TS 26 Read bin Auto Run Checksum Error Run...

Page 43: ...KLXXCSXXQ TS 27 B 1 2 3 HDMI2 4 EDID N603 N601 N603...

Page 44: ...KLXXCSXXQ TS 28 MsEEPROM exe EEPROM 24C02 Setting I2C...

Page 45: ...KLXXCSXXQ TS 29 File Load File to Table EDID...

Page 46: ...KLXXCSXXQ TS 30 Write All...

Page 47: ...KLXXCSXXQ TS 31 EDID Regs Table Read All C 1 2 3 MsEEPROM exe EEPROM 24C04 Setting I2C...

Page 48: ...KLXXCSXXQ TS 32 File Load File to Table HDCP Key...

Page 49: ...KLXXCSXXQ TS 33...

Page 50: ...KLXXCSXXQ TS 34 Write All HDCP Key Regs Table Read All...

Page 51: ...KLXXCSXXQ TS 35 HDCP XS305 HdmiEDID XS610 XS304...

Page 52: ...KLXXCSXXQ TS 36...

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