Sanyo LCD-24XAZ10F, Service Manual

Page 1: ...SERVICE MANUAL PRODUCT CODE No REFERENCE No SM0915176 1 682 351 06 PAL BG NTSC AV FILE NO PRODUCT CODE No LCD TV LCD 24XAZ10F ...

Page 2: ...d of software upgrading instructions Working principle analysis of the unit Block diagram IC block diagram and instruction Wiring diagram Troubleshooting guide Schematic diagram APPENDIX A Main assembly list APPENDIX B Exploded View 3 5 12 15 16 17 25 26 29 ...

Page 3: ... bad effect will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the module lest it should cause fire or electric shock due to contact with the high voltage or short circuit 2 6 Should there be smoke abnormal smell or sound from the module please shut the powe...

Page 4: ...n range 20 85 Storage range 10 90 2 13 Display of a fixed picture for a long time may cause a permanent after image on the screen as commonly called ghost shadow The degree of the after image varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may remain in the picture for a period of time several minutes But when operating it please avoid displaying sti...

Page 5: ...supply According to wiring diagram 9222KC4201JL connect main board power board IR board and key board correctly switch on power supply then press key power to turn on the TV set a Test voltage of socket X302 each pin in turn please refer to voltage value as Table 3 Table 3 Voltage of X302 each pin X302 Pin1 2 3 4 5 6 7 8 9 10 11 12 13 Vol 3 3 V 5 0 V 1 0 V 3 3 V 0 11 5 V 12 5V 0 31 V 33 V 4 7 V 5 ...

Page 6: ...tput of earphones speakers are normal Input HI definition signal mode check if each function of YPbPr is normal Input VGA signal check if display and each function such as analog parameters control H V center etc are normal Input AV S VIDEO signal check if each function of both channels are normal Insert U disk check if functions of MP3 and JPEG are normal Check accessories and packing Input HDMI ...

Page 7: ...sion is 26 or smaller than 26 only 8000K color temperature that is normal is needed adjustment To guarantee test requirements to be met when color temperature are 9300K and 6500K make sure that chromaticity coordinates of bright scale are X 295 5 Y 305 8 and chromaticity coordinates of dark scale are X 295 8 Y 305 12 4 2 2 White balance adjustment of HDMI channel Input 16 grey scale signal with fo...

Page 8: ...on automatically in order to make window filled with picture ADC calibration Input monochrome signal with format of 800 600 60 Hz VG848 Timing is 854 PAT is 948 enter into submenu ADC adjustment of factory menu and select item AUTO COLOR system will begin calibration automatically please note whether picture and data are abnormal clearly or not main abnormal data phenomena are that several data ar...

Page 9: ...ent auto adjustment will be completed until prompt Adjustment is successful appears 4 2 6 3 White balance adjustment models except LC 19KC72 LC 22KC72 TV set should be working for above 30 minutes to be in stabler state before white balance adjustment connect CA210 to USB port of PC with data line connect VG848 and TV to COM port of PC or virtual COM port respectively default connection VG848 to C...

Page 10: ... 59 94 60 148 50 1080p 59 94 60p 5 4 VGA port Input VGA signal from signal general VG848 with VGA format listed as Table 9 check if picture and sound are normal if not enter into menu to do auto calibration Table 9 VGA signal format NO Definition H Fre kHz V Fre Hz Dot pulse Fre MHz Note 1 720 400 70 Hz 31 47 70 08 28 32 DOS 2 640 480 60 Hz 31 50 60 00 25 18 VESA 3 800 600 60 Hz 37 90 60 00 40 00 ...

Page 11: ...ry Be sure to do the step after completing adjustments in factory 7 Instruction for software burning in factory as Table 10 Table 10 Instruction for software burning in factory Loc Part No Part Type Instruction for software function Burned before SMT Method of burning N104 5272532004 W25X32VSS Main CPU program Yes Burned software with ALL11 ...

Page 12: ...directory of a U disk 2 Insert the U disk into USB port of TV set press key power until TV set is in standby state then power on TV set again 3 Press key program source until menu program source display then press keys 2 5 8 0 by turn to enter into factory menu please refer to the following Fig 1 Fig 1 Program source menu ...

Page 13: ... of remote control to select item ISP press key enter to begin updating progress a prompt Updating Pls Waiting is displaying wait for a while until menu display TV set is unable to accept other operation now please refer to the Fig 3 ...

Page 14: ...Fig 3 Updating prompt 5 TV set will auto reset after completing update according to step1 and step 2 enter into factory menu again to confirm updating completion by checking the time of update file ...

Page 15: ...674S directly Main chip N101 RTD2674S is a special large scale IC with full functions such as HDMI interface process video decoding video switch selection A D and D A transformation interleaved successive scans mode transformation OSD and low voltage difference output process etc furthermore it also has functions of audio selection and process MCU etc external video signal is processed by main chi...

Page 16: ...Block Diagram IC RTD2674S TUNER SCART YPbPr HDMI DDR EM6AA160TS 4G PANEL AUDIO AMP TDA7266SA VIDEO HP VGA AUDIO VGA USB SPEAKER SPI FLASH W25X32VSSIG E IF CVBS YPbPR RGB L R TMDS D D LVDS ...

Page 17: ...P1_RX3P HDMI_CLKP_1 166 P1_RX2N HDMI_0N_1 167 P1_RX2P HDMI_0P_1 168 P1_RX1N HDMI_1N_1 169 P1_RX1P HDMI_1P_1 170 P1_RX0N HDMI_2N_1 171 P1_RX0P HDMI_2P_1 172 P0_RX3N HDMI_CLKN_0 173 P0_RX3P HDMI_CLKP_0 174 P0_RX2N HDMI_0N_0 175 P0_RX2P HDMI_0P_0 176 P0_RX1N HDMI_1N_0 177 P0_RX1P HDMI_1P_0 178 P0_RX0N HDMI_2N_0 179 P0_RX0P HDMI_2P_0 180 TMDS_REXT 181 TMDS_1 2V 182 APLL_VDD_3 3V 183 APLL_GND 184 HSYNC...

Page 18: ...Channel 16 AOUT_R AO Analog Baseband Audio Out Right Channel 17 AOUT_L AO Analog Baseband Audio Out Left Channel 18 HPOUT_R AO Head Phone DAC output Right Channel 19 HPOUT_L AO Head Phone DAC output Left Channel 20 Scart_FSW_0 AIO SCART RGB Fast Switch Input 0 21 Scart_FSW_1 AIO SCART RGB Fast Switch Input 1 22 DAC_VDD_0 AP Video DAC Power 3 3V Analog 3 3V 23 AVOUT_1 AP CVBS DAC output1 24 AVOUT_2...

Page 19: ...A_F_Pair_N 60 A_EP AO LVDS_Port_A_E_Pair_P 61 A_EN AO LVDS_Port_A_E_Pair_N 62 A_DP AO LVDS_Port_A_D_Pair_P 63 A_DN AO LVDS_Port_A_D_Pair_N 64 A_CP AO LVDS_Port_A_C_Pair_P 65 A_CN AO LVDS_Port_A_C_Pair_N 66 A_BP AO LVDS_Port_A_B_Pair_P 67 A_BN AO LVDS_Port_A_B_Pair_N 68 A_AP AO LVDS_Port_A_A_Pair_P 69 A_AN AO LVDS_Port_A_A_Pair_N 70 Core_1 2V P Core Power 1 2V Digital 1 2V Power Down Power saving 7...

Page 20: ...e 98 RAS DO DDR RAS Low Enable 99 Core_1 2V P Core Power 1 2V Digital 1 2V Power Down Power saving 100 BA0 DO DDR Bank Address0 101 BA1 DO DDR Bank Address1 102 ADDR10 DO DDR Address10 103 ADDR0 DO DDR Address0 104 ADDR1 DO DDR Address1 105 ADDR2 DO DDR Address2 106 ADDR3 DO DDR Address3 107 SVCC25 P DDR I O Power 2 5V 108 ADDR4 DO DDR Address4 109 ADDR5 DO DDR Address5 110 ADDR6 DO DDR Address6 1...

Page 21: ...O_C2 5V tolerance even when power off 144 GPIO_C3 DIO GPIO_C3 5V tolerance even when power off 145 GPIO_C4 DIO GPIO_C4 5V tolerance even when power off 146 RSTI DI Chip Reset Input Low Active 147 SPI_CSn DO SPI Flash CS Output 148 SPI_SCLK DO SPI Flash Clock Output 149 SPI_SDO DO SPI Flash Data Output 150 SPI_SDI DI SPI Flash Data Input 151 STBY_Core_1 2V P Standby ON Core Power 1 2V Digital 1 2V ...

Page 22: ...MI_0_1N AI HDMI_RX_Port0_Pair1_Negative 178 HDMI_0_1P AI HDMI_RX_Port0_Pair1_Positive 179 HDMI_0_2N AI HDMI_RX_Port0_Pair2_Negative 180 HDMI_0_2P AI HDMI_RX_Port0_Pair2_Positive 181 TMDS_REXT AI TMDS External Resistor Input Connect 6 2K to GND 182 RX_V12 AP HDMI GDI Power 1 2V 183 APLL_VDD AP APLL Power 3 3V 184 APLL_GND AP APLL GND 185 HSYNC AI Hsync input 186 VSYNC AI Vsync input 187 ADC_VDD33 A...

Page 23: ...A1N AI Common GND for SV 211 VIN_10P AI S Video Y Input 212 VIN_13P AI CVBS Input 213 VIN_A2N AI Common GND for CVBS 214 VIN_14P AI CVBS Input 215 AVDD_BB1 AP Analog Baseband Power 3 3V 216 AGND_BB1 AP Analog Baseband GND Note 1 AP Analog Power Ground 2 AI Analog Input 3 AO Analog Output 4 AIO Analog Input Output 5 DP Digital Power Ground 6 I Digital Input 7 O Digital Output 8 IO Digital Input Out...

Page 24: ...TDA7266SA Sound Power Amplifier ...

Page 25: ...Wiring diagram ...

Page 26: ...Troubleshooting flow 1 No raster ...

Page 27: ...2 No picture but sound is normal ...

Page 28: ...3 No sound but picture is normal ...

Page 29: ......

Page 30: ......

Page 31: ......

Page 32: ...Power board ...

Page 33: ......

Page 34: ...D1 24 ADD0 25 SCLK 26 SDA 27 INT 28 GPIIO7 29 GPIO6 30 GPIO5 31 GPIO4 32 DVSS 33 GPIO3 34 GPIO2 35 GPIO1 36 GPIO0 37 NC 38 THD1 39 THD0 40 CIN0 GND V33 C4 1u V33 D 0 7 C5 100p C8 100n R12 0 R9 20K PAD7 LED3 LED6 R4 100 LED8 R13 5 6K X1 1 2 3 4 5 6 R6 10K C7 100n 5V LED1 TP2 KEY PAD2 V33 R914 3K R912 3K GND R913 47 GND GND R904 2 7K R903 100 N902 HRM138CB5400 Vout GND Vcc GND N901 ISL29001 1 VDD 2 ...

Page 35: ... 4G N101 5272674001 RTD2674S N104 5273206001 MX25L3206E N308 5267266001 TDA7266SA Power board XI6KC01320A0 Remote control XI6010J03505 RC J35 0A Touching key board XI635KC01103 IR board XI635KC01105 Display panel XI5203248501 V236H1 L01 APPENDIX A Main assembly 9224KC5211 LCD 24XAZ10F ...

Page 36: ...APPENDIX B Exploded view LCD 24XAZ10F ...

Page 37: ...embly 4 Speaker bracket 5 Speaker assembly 6 Display panel 7 Interface baffle side 8 Main board assembly 9 Interface baffle down 10 Back cover assembly 11 Pedestal assembly 12 Standing pole 13 Power assembly 14 Touching key assembly Note design and specification are subject to change without notice ...

Page 38: ... V236H1 L01 7 XI5810D72610 Interface baffle side 1 8 XI6KC01301D0 Main board assembly 1 9 XI5810I73000 Interface baffle down 1 10 XI672452H030 Back cover assembly 1 11 XI6151229000 Pedestal assembly 1 12 XI58D0029800 Standing pole 1 13 XI6KC01320A0 Power assembly 1 14 XI635KC01103 Touching key assembly 1 15 XI6010J03505 Remote control 1 16 XI5944039030 User manual 1 Only the parts in above list ar...

Page 39: ......

Page 40: ...e sure to ask an authorized service personnel to carry out setup 2 Thoroughly read this instruction before setup and follow the steps below precisely 3 The wall to be mounted should be made from solid materials Only use accessories supplied by the manufacturer 4 Very carefully handle the unit during setup We are not liable for any damage or injury caused by mishandling or improper installation 5 B...

Page 41: ...April 2011 ...