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Sanyo LCE-22A100F Service Manual
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Sanyo LCE-22A100F Service Manual

High definition led-lcd tv
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High Definition LED-LCD TV
LCE-22A100F
51 24 NTSC-
TV
INPUT
VIDEO
HDMI
COMP
VGA
PICTURE
AUDIO MTS/SAP
CCD
MENU
EXIT
ENTER
GUIDE
CH-LIST
1
2
3
4
5
6
7
8
9
.
0
RECALL
INFO
CH
VOL
MUTE
ZOOM
SLEEP FAVORITE
A
183

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Summary of Contents for Sanyo LCE-22A100F

  • Page 1 LCE-22A100F 51 24 NTSC- High Definition LED-LCD TV INPUT VIDEO HDMI COMP PICTURE AUDIO MTS/SAP MENU EXIT ENTER GUIDE CH-LIST RECALL INFO MUTE ZOOM SLEEP FAVORITE...

  • Page 2: Table Of Contents

    CONTENTS Safety precautions………………………………………………………………………..… Alignment instructions …………………………….…….………………………………… Software upgrade instructions .................. Working principle analysis……………………………….………….…………....Block diagram…………………………………..………………………………….………… IC block diagram………………………………………………………………………..…… Wiring diagram ……………………………………………………………………………. Troubleshooting flow chart ………………………………………………………………..…… Schematic diagram………………………………………………………………………… APPENDIX-A: Assembly list APPENDIX-B: Exploded View Assembling the Stand WALL MOUNTING INSTRUCTIONS...

  • Page 3: Safety Precautions

    Attention: This service manual is only for service personnel to take reference with. Before servicing please read the following points carefully. Safety precautions 1. Instructions Be sure to switch off the power supply before replacing or welding any components or inserting/plugging in connection wire.
  • Page 4 would be unable to work and no way to get it repaired. If the connection wires, connections or components fixed by the thermotropic glue need to disengage when service, please soak the thermotropic glue into the alcohol and then pull them out in case of dagmage.

  • Page 5: Alignment Instructions

    Alignment instructions 1 Safety instructions 1.1 Power supply must be cut off before replacing / welding any component or inserting / pulling out connective wire. 1.2 Anti-static measures (Note: Anti-static measures must be done during the whole production process !) a）Touching IC at will is forbidden;...
  • Page 6 3.1.2 For model LE-22/32/42MA51 a) Test voltage of socket X301 each pin on main board, please refer to Table 3 for voltage: Table 3 Voltage of socket X301each pin X301 Pin 1 6、7 8、9 10、11 12、13 Min.(V) 4.85 3.25 4.85 4.85 4.85 11.3...
  • Page 7 3.2 Alignment flow chart shown as Fig.1: Check if DDC , FLASH has been written? Produce main board on line General assembly and combination alignment (Check if 120V is normal?) White balance alignment Connect to central signal source, check if functions of TV, such as omitted programs, analog parameter control, etc., are normal? Check if output of earphones and speakers are normal? Input AV signal, check AV functions Input HD signal(mode), check YPbPr functions...
  • Page 8 4 Alignment instructions 4.1 The whole unit alignment 4.1.1 According to wiring diagram “92XXMAXX01JL”, connect main board, power board, key board and IR board correctly; supply with the power ～120 V and turn on the TV, check if the display is normal. 4.1.2 Using method of factory menu a) First press key “INPUT”, then press keys “2、...
  • Page 9 4.2.2.2 DTV channel adjustment（HDMI has the same white balance data with DTV） Set AIR state in TV mode, input signal 26 channel, the picture will be 11 grey-step; enter into factory menu page “Color Temp”, first set “Color Temperature” as “Normal”, fix item “G-Gain”, adjust items “R-Gain、B-Gain”...
  • Page 10 914）, check if the picture displays fully, if not, enter into user menu “Settings→Computer Settings” to make an “Auto Adjust” adjustment to make the picture display fully; then enter into factory menu “ADC Setting” to make an “Auto Color” adjustment; 4.3.2 White balance adjustment Before white balance adjustment, the TV set should be working above 30 minutes to be in a...
  • Page 11 5.4 VGA ports Input VGA signal from VG848 signal generator with VGA formats listed as Table 7 respectively, check if the display and the sound are normal, if not, enter into user menu “Settings→Computer Settings”, perform “Auto Adjust” to make an auto calibration. Table 7 VGA signal formats Dot-Pulse Fre.
  • Page 12 7 Factory software writing instructions are described as Table 8 Table 8 Factory software writing instructions Software Loc. Part No. Part Type Written Method Remarks Function Use writing instrument like ALL11, etc., Main N101 5272532006 EN25Q32 writing-protection is needed, please For all models software refer to the below note...

  • Page 13: Software Upgrade Instructions

    Software upgrade instruction Software upgrade instructions (USB) Method 1: 1. Cut off the power supply. 2. Insert a U disk to the USB port of the TV set, copy upgrade file “fw.spi” to the U disk, the file “fw.spi” must be saved in the root directory of the U disk and make sure the file “fw.spi”...
  • Page 14 Method 2: 1. Copy upgrade file “fw.spi” to a U disk, the file “fw.spi” must be saved in the root directory of the U disk and make sure the file “fw.spi” is the only one in the U disk. 2. Plug in firmly to be sure to power on the TV set normally, then insert the U disk into USB port of the TV set.
  • Page 15 5. Switch to option ”OK”, press key “ENTER” to begin upgrade process 6. After upgrade has been completed, press key “ENTER” first until the TV set restarts and a prompt “SANYO LOGO” appears, now pull out the U disk and upgrade succeed! 7.
  • Page 16 8. Select item “Shipment”, press key “Enter”, a dialog will be shown as below: 9. Select button “Yes”, press key “Enter”, a dialog will be shown as below, then press key “power” to power off the TV set. Method 3: 1.
  • Page 17 6. After upgrade has been completed, press key “ENTER” first until the TV set restarts and a prompt “SANYO LOGO” appears, now pull out the U disk and upgrade succeed! 7. After successful upgrade, press key “input,2,5,8,0” to enter into factory menu shown...
  • Page 18 8. Select item “Shipment”, press key “Enter”, a dialog will be shown as below: 9. Select button “Yes”, press key “Enter”, a dialog will be shown as below, then press key “power” to power off the TV set.
  • Page 19 Software upgrade instructions (super interface) 1． Copy upgrade file “fw.spi” to a U disk, the file “fw.spi” must be saved in the root directory of the U disk and make sure the file “fw.spi” is the only one in the U disk. 2.
  • Page 20 5. Software will begin upgrade automatically after the file has been found, writing process will be completed when a prompt “REALTEK” appears again. 6. Cut off power supply and then power on the TV set again, check if upgrade process has been completed, if not, repeat above procedures until upgrade succeeds.
  • Page 21 Writing method for boot （1）Put file “boot.img” to the desktop of PC （2）Connect one port of upgrade device to serial port of PC with cable RS232 and the other port to port VGA of the TV set with cable VGA, then build a new super interface on PC and set port COM and Baud rate as “115200”, open the super interface.
  • Page 22 （4）After sending file, input command “fl loader”, press key “ENTER” to be at writing state, writing process will be completed when a prompt “REALTEK” appears again. (5) Cut off power supply and then power on the TV set again, check if upgrade process has been completed, if not, repeat above procedures until upgrade succeeds.

  • Page 23: Working Principle Analysis

    Working principle analysis RF signal is inputted to TUNER201 from antenna, after processed by Hi-amplifier and mixer, DIF signal is created and then sent to main chip N102 (RTD2933H). Video & audio signals of AV, YPbPr, VGA, HDMI and USB are sent to main chip N102 (RTD2933H) directly.

  • Page 24: Block Diagram

    Block diagram DDR2 SPI FLASH Panel LVDS TUNER SPEAKER YPbPr RTD2933H HDMI 1 HDMI 2 HDMI 3 Audio out SPDIF...

  • Page 25: Ic Block Diagram

    IC block diagram RTD2933H AIN_2R RX_1.2V AIN_2L P2_RX3N VIN5P P2_RX3P VIN1N P2_RX2N VIN4P P2_RX2P AIN_1R P2_RX1N AIN_1L P2_RX1P VIN3P/AIN_4R P2_RX0N VIN2P/AIN_4L P2_RX0P VIN1P P1_RX3N VIN0N P1_RX3P VIN0P P1_RX2N VD_GND P1_RX2P VD_REXT P1_RX1N VDAC_GND P1_RX1P AVOUT_1 P1_RX0N AVOUT_2/LSADC2 P1_RX0P VDAC_VDD_3.3V TMDS_REXT ADC2X_VDD_3.3V RX_3.3V ADC2X_GND...
  • Page 26 RTD2933H whole chip function block diagram...
  • Page 27 RTD2933H Pin Description Name Type Pin No. Description AIN_2R Analog Audio input 2 (Right Channel) AIN_2L Analog Audio input 2 (Left Channel) VIN5P Analog Video input 5 VIN1N Analog Video common GND 2 VIN4P Analog Video input 4 AIN_1R Analog Audio input 1 (Right Channel) AIN_1L Analog Audio input 1 (Left Channel) VIN3P...
  • Page 28 RTD2933H Pin Description Name Type Pin No. Description Core_1.2V Core Power 1.2V IFAGC IF demod IF AGC Control output I/O_3.3V PAD I/O Power 3.3V I2C1_SCL Tuner I2C clock I2C1_SDA Tuner I2C data CA_EN Smart Card Power Enable (GPIO) CR_EN Card Reader Power Enable (GPIO) USB1_PWR_CTL USB Port 1 Power Enable Control (GPIO) USB1_PWR_FLAG...
  • Page 29 RTD2933H Pin Description Name Type Pin No. Description LVDSA_FP LVDS LVDS_Port_A_F_Pair_P LVDSA_FN LVDS LVDS_Port_A_F_Pair_N LVDSA_EP LVDS LVDS_Port_A_E_Pair_P LVDSA_EN LVDS LVDS_Port_A_E_Pair_N LVDSA_DP LVDS LVDS_Port_A_D_Pair_P LVDSA_DN LVDS LVDS_Port_A_D_Pair_N LVDSA_CP LVDS LVDS_Port_A_C_Pair_P LVDSA_CN LVDS LVDS_Port_A_C_Pair_N LVDSA_BP LVDS LVDS_Port_A_B_Pair_P LVDSA_BN LVDS LVDS_Port_A_B_Pair_N LVDSA_AP LVDS LVDS_Port_A_A_Pair_P LVDSA_AN LVDS...
  • Page 30 RTD2933H Pin Description Name Type Pin No. Description DDR Data Mask 2 DDRVCC18IO_1 DDR I/O Power 1.8V DDR Data 9 DQ11 DDR Data 11 DQ12 DDR Data 12 DDR Data 6 DDRVCC18IO_2 DDR I/O Power 1.8V DDR Data Mask 1 DDR Data 2 DDR Data 4 DDR Data 3...
  • Page 31 RTD2933H Pin Description Name Type Pin No. Description CASn DDR Column Address DDR Address 1 DDRVCC18IO_7 DDR I/O Power 1.8V DDR Address 2 DDR Address 4 DDR Address 6 DDR Address 8 DA11 DDR Address 11 DDR write Enable DDR Clock Enable DDRVCC18IO_8 DDR I/O Power 1.8V DBA1...
  • Page 32 RTD2933H Pin Description Name Type Pin No. Description HDMI HDMI_RX_Port0_Pair2_Positive P0_RX2P HDMI HDMI_RX_Port0_Pair2_Negative P0_RX2N HDMI HDMI_RX_Port0_Pair3_Positive P0_RX3P HDMI HDMI_RX_Port0_Pair3_Negative P0_RX3N P0_RX4P HDMI HDMI_RX_Port0_Pair4_Positive P0_RX4N HDMI HDMI_RX_Port0_Pair4_Negative RX_V33 HDMI HDMI GDI Power 3.3V TMDS_REXT REXT TMDS External Resistor Input P1_RX1P HDMI HDMI_RX_Port1_Pair1_Positive P1_RX1N HDMI...
  • Page 33 RTD2933H Pin Description Name Type Pin No. Description DDC_VGA_SDA VGA DDC Data DDC_VGA_SCL Irda Input MUX_CTRL2 GPIO PWR_ON_KEY GPIO IRRX Irda Input Core_1.2V Core Power 1.2V VD33 PAD I/O Power 3.3V LSADC_REF LSADC reference LSADC0 LSADC0 LSADC1 LSADC1 LSADC4 LSADC4 HSYNCVIN Hsync input VSYNCVIN...
  • Page 34 RTD2933H Pin Description Name Type Pin No. Description AVDD_BB1 Analog Baseband Power 3.3V AGND_BB1_DACGND Analog BaseBand GND 0 AVDD_BB2_DACVREF PWR Analog Baseband Power 3.3V AVDD_BB0 Analog Baseband Power 3.3V VCM_BB Analog Audio Common Voltage Reference AOUT_MONO Analog Audio Mono Output AIN_MONO Analog Audio Mono Input BB_AOUT_R...
  • Page 35 EN25Q32A CONNECTION DIAGRAMS DO (DQ NC (DQ WP# (DQ DI (DQ 8 - LEAD SOP / PDIP DO (DQ NC (DQ WP# (DQ DI (DQ 8 - LEAD VDFN...
  • Page 36 EN25Q32A Note: 1. DQ and DQ are used for Dual and Quad instructions. 2. DQ ~ DQ are used for Quad instructions.
  • Page 37 EN25Q32A Pin Names Symbol Pin Name Serial Clock Input DI (DQ Serial Data Input (Data Input Output 0) DO (DQ Serial Data Output (Data Input Output 1) Chip Enable WP# (DQ Write Protect (Data Input Output 2) NC(DQ Not Connect (Data Input Output 3) Supply Voltage (2.7-3.6V) Ground No Connect...
  • Page 38 TAS5711 PIN ASSIGNMENT PHP Package (Top View) 48 47 46 45 44 43 42 41 40 39 38 37 OUT_A OUT_D PVDD_A PVDD_D PVDD_A PVDD_D BST_A BST_D GVDD_OUT GVDD_OUT VREG SSTIMER TAS5711 OC_ADJ AGND PBTL AVSS DVSS PLL_FLTM DVDD PLL_FLTP STEST VR_ANA RESET...
  • Page 39 TAS5711 PIN FUNCTIONS (continued) TYPE TERMINATION DESCRIPTION TOLERANT NAME DVSS Digital ground Analog ground for power stage GVDD_OUT 5, 32 Gate drive internal regulator output. This pin must not be used to drive external devices. LRCLK Pulldown Input serial audio data left/right clock (sample rate clock) MCLK Pulldown Master clock input...

  • Page 40: Wiring Diagram

    Wiring diagram...

  • Page 41: Troubleshooting Flow Chart

    Troubleshooting flow chart 1. No raster...
  • Page 42 2. No picture, but the sound is normal.
  • Page 43 3. No sound, but the picture is normal.

  • Page 44: Schematic Diagram

    D1V2 CORE_1_2V A3V3 VD_3_3V L101 L111 C144 STPB3216-310PT BG1608B121 100n C145 D_3_3V AVDD_BB0 AVDD_BB1 VD_3_3V AVDD_BB2 Y_3_3V D_3_3V RESET# 001:F1 A3V3 VDAC_3_3V A3V3 VADC_3_3V L102 L109 BG1608B121 SGMI2012-2R2KT A3V3 Y_3_3V A3V3 AVDD_BB0 A3V3 AVDD_BB1 A3V3 AVDD_BB2 L114 L115 L117 L119 53912B33K0 BG1608B121 BG1608B121...
  • Page 45 C226 R237 6.8K AV_R 001:C2 C227 R238 6.8K AV_L 001:C2 HDMI-BSB-2 X201 L201 C228 R235 SGMI2012M1R0KT HDMI_RX2+ 001:G2 AV_V 001:C2 HDMI_RX2- 001:G2 HDMI_RX1+ 001:G2 HDMI_RX1- 001:G2 HDMI_RX0+ 001:G2 RCA-389B-01 X204 HDMI_RX0- 001:G2 HDMI_CLK+ 001:G2 HDMI_CLK- 001:G2 001:F1 HDMI_CEC 5V_TUN R209 HDMI_SCL 001:F1 R210...
  • Page 46 D3V3 N301 MP1482-18V R325 C312 R332 V304 BL_ON 001:C4 BC847AW R376 R344 R387 4.7K D_3_3V PANEL_ON 001:C4 D3V3 D3V3_AMP 12V_AMP VCC_AMP COMP R310 AO3401A AO3401A BL_ON R326 V311 V313 4.7K R374 V305 R384 001:D5 BC847AW 5V_STB R360 R382 V309 5V_STB 001:C4;003:B2;003:H2 POWER_ON V312...
  • Page 47 Power Board 1/2...
  • Page 48 Power Board 2/2...
  • Page 49 +3.3V +3.3V N901 ISL29001 R906 R907 +3.3V REXT X902 N902 HRM538BB5117 Vout R903 LED901 HFT503MPBR-1 R902 3.3K V901 X901 BC847AW R904 Touching key...
  • Page 50 APPENDIX-A: Main assembly 9222MA5110 LCE-22A100F MAIN COMPONENT AND IT'S NO. NAME N102 RTD2933H (5272933002) N101 EN25Q32A-100HIP (5272532006) Main board XI6MA0070110 N306 TAS5711 (5275711001) N103 EM68B16CWQD-25H (5276816001) TUNER201 DA88WT-6-E (5524140009) IR board XI635KH00800 Touching key board XI635KH00801 Power board XI6MA0072010 Remote control...

  • Page 51: Appendix-B: Exploded View

    APPENDIX-B: Exploded view (LCE-22A100F)
  • Page 52 PART LIST OF EXPLODED VIEW REF.No. DESCRIPION Front cabinet assembly Display panel Main board assembly GND reed Main frame assembly Power board assembly Back cover assembly Adjustable clasp Power cord Power cord clip Pedestal assembly Standing pole assembly Bracket for power cord clip Touching key board assembly Rotor assembly Speaker assembly...
  • Page 53 PART LIST LCE-22A100F ver. REF.No. PARTS No. DESCRIPION Q'TY REMARK XI6622510070 Front cabinet assembly XI5203228206 Display panel 1 LB_CLAA215FA04 V4 XI6MA0070110 Main board assembly GND reed XI592302860B Main frame assembly XI615328301C XI6MA0072010 Power board assembly XI672272P010 Back cover assembly Adjustable clasp...

  • Page 54: Assembling The Stand

    Assembling the Stand If the stand is provided, please read these instructions thoroughly before attempting this installation. You must install your TV into the stand in order for it to stand upright on a cabinet or other flat surface. If you intend to mount your TV on a wall or other vertical surface, you must remove the stand column.
  • Page 56 May 2011...

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