Sanyo 1 682 351 01, Service Manual

Page 1: ...SERVICE MANUAL PRODUCT CODE No 1 682 351 01 PAL B G CCIR FILE NO PRODUCT CODE No REFERENCE No SM0915191 LED 22XR11F LED LCD TV NTSC AV INPUT ...

Page 2: ...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 3 5 12 15 17 18 21 22 25 Assembling the Stand WALL MOUNTING INSTRUCTIONS ...

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: ... Equipments Multimeter or oscilloscope VG 849 CA 210 USB DVD support HDMI 1 4 or equipments with the same functions 3 Adjustment Processes 3 1 Power voltage checking According to the wiring diagram specified by Product Specification connect power board assembly data processing assembly IR Key board assembly backlight board assembly correctly supply with power press button to power on the TV set Ma...

Page 6: ...justment Input central signal check TV function omitted channel analog parameters control etc check earphone speakers output Input Component signal check YPbPr functions Input D SUB signal check display and all functions such as analog parameter H V center etc Check AV input output and relevant functions Default settings before ex factory Check USB multimedia port and Check accessory and packing C...

Page 7: ...setting could not change if central signal setting has any modification so please search for digital program manually by perform item DTV of menu Channel k Factory menu item Color Temp to be used for white balance adjustment l Factory menu item Store Setting Init m Factory menu item USB SW Update to be used for software updating from USB port when U disk containing updating software is inserted in...

Page 8: ...n 914 Chess Pattern move cursor to item MODE press keys and to choose item HDMI then move cursor to item TEMPERTURE and press keys and to choose COOL e Fix G GAIN adjust R GAIN B GAIN to set 14th chromatic coordinates as 272 278 f Fix G OFFSET adjust R OFFSET B OFFSET to set 4th chromatic coordinates as 272 278 g To make sure chromatic coordinates of bright scale are X 280 10 Y 290 10 and chromati...

Page 9: ...isplay 5 2 AV port Input AV signal with formats listed as Table 1 separately check picture sound and other functions Table 1 AV video signal formats No Lines per frame H Freq kHz V Freq Hz Note 1 525 15 734 15 75 59 94 60 NTSC NTSC4 43 PAL60 PAL M 2 625 15 625 50 PAL PAL N SECAM 5 3 Component port Input Component signal from VG 849 with formats listed as Table 2 separately check picture and sound ...

Page 10: ...768 60 023 75 029 78 75 VESA 12 1152 864 67 5 75 108 VESA 13 1280 960 60 60 108 VESA 14 1280 1024 63 98 60 02 108 VESA 15 1280 1024 80 75 135 SXGA 16 1360 768 47 7 60 85 5 WXGA 17 1440 900 55 9 60 106 5 WXGA Panel National only 18 1680 1050 65 3 60 146 25 WSXGA Panel National only 19 1920 1080 67 5 60 148 5 5 5 HDMI port HDMI port supports all signal formats supported by Component port Table 2 and...

Page 11: ...ts as below Photo JPEG BMP PNG Video H 264 MPEG 1 MPEG 2 VC 1 FLV Audio WMA MP3 M4A AAC 5 7 Music port depending on different models whether contain the port or not Input audio signal to side music port analog audio input from audio output equipment check audio output 5 8 Other functions check a Check timing on off sleeping time off picture sound mode OSD stereo digital audio port etc b Check pure...

Page 12: ...lease make sure option Config is ticked off during software upgrading and reset write protection after ALL 100 upgrading software is opened each time Note 2 Upgrading method with ISP upgrading instrument 1 Main board upgrading connect 4 core line of ISP to Debug port X103 on main board The Unit upgrading connect both VGA ports of ISP and main board enter into factory menu and set ISP Mode as ON 2 ...

Page 13: ...he first menu Device and choose MX25L64 manually then press Connect 4 Press Read choose upgrading file such as MERGE bin please refer to Fig 4 Fig 4 Choosing upgrading file 5 Press Auto tick off All chip program and other necessary options please refer to Fig 5 Fig 5 Options ...

Page 14: ...epeat Note 3 Upgrading with USB 1 Make sure the U disk is formatted as FAT32 2 Copy software file named as Merge bin to the U disk 3 Turn on the TV set then insert the U disk in USB port of the unit a First press key INPUT then press keys 2 5 8 0 in turn to enter into primary factory menu b Choose USB SW Update to begin upgrading 4 Upgrading processes A Read data from the U disk while data indicat...

Page 15: ...r then LVDS signal is outputted to drive display panel Audio channel demultiplexing digital audio signal is processed by MSD309PX decoder and audio processor then double sound track analog audio signal stereo is outputted to MSD309PX to be processed by preamplifier acoustic effect processor and volume controller to get two parts of signals the analog part of signal is sent to earphone amplifier BH...

Page 16: ...w HDMI video signal is inputted to main chip MSD309PX to be processed by video decoder video processor and zoom controller then LVDS signal is outputted to drive display panel HDMI audio signal is sent to main chip MSD309PX to be processed by audio decoder pre amplifier acoustic effect processor and volume controller to get two parts of signals the analog part of signal is sent to earphone power a...

Page 17: ...Speakers Block Diagram N204 NB08 BH3547F NV01 1 ...

Page 18: ...Intermediate Frequency IF which is then sampled by an internal high resolution analog to digital converter A D for further processing The IF signals are filtered using a standard dependent high rejection channel filter and converted to a user programmable output frequency At the output of the D A converter the TV signal is low pass filtered using a high performance smoothing filter and input to a ...

Page 19: ... accepts a wide range of input data and data rates A fully programmable data path routes these channels to the internal speaker drivers The TAS5711 is an I2S slave only device receiving all clocks from external sources The TAS5711 operates with a PWM carrier between 384 kHz switching rate and 352 KHz switching rate depending on the input sample rate Over sampling combined with a fourth order noise...

Page 20: ...o prevent pop noise when power supply turns on off Moreover thermal shutdown function is built in BH3547F can drive 16 32Ω load receiver Features 1 Built in mute function for preventing pop noise when power supply turns on off 2 Built in thermal shutdown function 3 BH3541F BH3544F BH3547F BH3548F are pin to pin compatible 4 SOP8 small package Applications TV Desktop PC Notebook PC Camcorder and ot...

Page 21: ...01JL XIAMEN OVERSEAS CHINESE ELECTRONIC CO LTD TITLE DWG NO REV APPROVED BY XOCECO X1 KEY BOARD XV01 INVERTER X401 X101 IR BOARD X703 X501 LVDS X903 X102 X504 POWER SWITCH X104 MAIN BOARD PANEL POWER BOARD A B C D E F G H 1 2 3 4 5 6 Wiring Diagram ...

Page 22: ...eck backlight board Check STANDBY circuits on power board Press key POWER on remote control or the unit check indicator Check if level of X101 PIN1 on main board is high Check if level of X101 PIN5 on main board is high Check power board Check if 5V is supplied to X101 PIN3 Check power control circuits on main board Check power control circuits on main board ...

Page 23: ...set by keys on remote control or the unit Do no channel have picture at all Enter into factory menu to initialize EEPROM then cut off main power and then turn on the TV set again check if there is picture Replace the main board Readjust the main board Press key MENU can OSD display normally ...

Page 24: ...19 25 are all high Check if level of VV02 b is low Check if there is signal inputted to NV01 PIN15 20 21 22 Check power voltage of NV01 Check IIS signal input circuits on main board Check Reset Mute circuits of power amplifier Replace VV02 Check 24V on power board Check IIC signal of NV01 PIN23 24 ...

Page 25: ... F7 LDQS K7 RAS B7 UDQS L7 CAS F3 LDM B3 UDM A2 NC A2 J2 VREF A8 UDQS R8 NC R8 G9 VDDQ10 G7 VDDQ9 G3 VDDQ8 G1 VDDQ7 E9 VDDQ6 C9 VDDQ5 C7 VDDQ4 C3 VDDQ3 C1 VDDQ2 A9 VDDQ1 G8 DQ0 G2 DQ1 H7 DQ2 R1 VDD5 M9 VDD4 J9 VDD3 E1 VDD2 A1 VDD1 J7 VSSDL J1 VDDL H8 VSSQ10 H2 VSSQ9 F8 VSSQ8 F2 VSSQ7 E7 VSSQ6 D8 VSSQ5 D2 VSSQ4 B8 VSSQ3 B2 VSSQ2 A7 VSSQ1 P9 VSS5 N1 VSS4 J3 VSS3 E3 VSS2 A3 VSS1 H9 DQ5 L2 BA0 N8 A4 B...

Page 26: ...ESTIO16 31 TESTIO15 32 VDD33 33 TESTIO14 34 TESTIO13 35 TESTIO12 36 TESTIO11 37 TESTIO10 38 I2CINT 39 SCLM 40 SDAM 41 VDD12_41 42 SCLS 43 SDAS 44 DBGBUS17 45 VDD33_45 46 DBGBUS16 47 DBGBUS15 48 TESTIO17 49 TESTIO18 50 TESTIO19 51 VDD33_51 52 VDD12_52 53 DBGBUS14 54 DBGBUS13 55 NC_55 56 NC_56 57 VDD12_57 58 NC_58 59 VDD33_59 60 VDD33_60 61 DBGBUS12 62 DBGBUS11 63 VDD33_63 64 DBGBUS10 65 VDD33_65 66...

Page 27: ... PB_IN 001 H5 RB70 68 RB69 68 VGA B_IN 001 H4 VGA G_IN 001 H4 VGA R_IN 001 H4 RB68 68 GND D CB57 47n CB58 47n CB56 47n RA14 4 7K HDMI3 SDA 001 E5 5V HDMI3 HDMI3 RX0 001 E5 RA02 33 3 3V 5V HDMI3 HDMI CEC 001 E5 003 A2 003 A4 RA19 1K HDMI3 SCL 001 E5 5V HDMI3 VA03 BC847AW CA01 100n RA01 10K RA10 10 RA09 10 XA01 HDMI 18 11 4 17 7 14 3 2 10 13 6 19 9 1 16 5 12 15 8 HDMI3 HP 001 E5 HDMI3 RX1 001 E5 HDM...

Page 28: ...SW 4 GND 5 FB 6 COMP 7 EN 8 SS 5V R193 1K LOGO_BL R209 1K 3 3V S C144 33p C143 100n L102 NR6045T150M GND D GND D 5V 5V S USB_SW R615 100K 5V_USB N604 MP2307 1 BS 2 IN 3 SW 4 GND4 5 FB 6 COMP 7 EN 8 SS L608 10uH NR8040T100M L605 STPB3216 380PT L604 STPB3216 380PT 5V_USB R602 1K 3 3V R604 10K V602 BC847AW GND D R606 1K 3 3V R608 10K R611 8 2K C607 10u C608 10u V604 BC847AW GND D R614 47K 5V_USB C626...

Page 29: ... 2 CIN2 3 CIN3 4 CIN4 5 CIN5 6 CIN6 7 CIN7 8 CIN8 9 CIN9 10 CIN10 11 CIN11 12 CIN12 13 VSHILD 14 VBIAS 15 AVSS 16 AVCC 17 GPIO12 18 GPIO11 19 GPIO10 20 DVCC 21 GPIO9 22 GPIO8 23 ADD1 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 R10 2K LED2 LED3 V901 BC847AW GND D LED901 HFT503MPBR 1 R B GND D N902 H...

Page 30: ...Power board ...

Page 31: ...Backlight board ...

Page 32: ...9PX LF SV 5270309003 N102 N103 NT5TU32M16DG_AC 5273216001 NB08 BH3547F 5273547001 N204 XC5200C 5275200002 Main board XI6KI0050110 NV01 TAS5711 5275711001 IR board XI635KH00800 Key board XI635KH00801 Power board XI6KI00520A0 Remote control XI6010900802 RC 908 0A Panel XI5203228206 CLAA215FA04 V4 ...

Page 33: ...APPENDIX B Explodedview LED 22XR11F ...

Page 34: ... assembly 7 Back cover assembly 8 Adjusting clasp 9 Power cord 10 Power cord clip 11 Pedestal assembly 12 Standing pole assembly 13 Bracket for power cord clp 14 Touching key board assembly 15 Rotor assembly 16 Speaker assembly 17 IR assembly 18 Light guided pole 19 Interface baffle side Note Design and specification are subject to change without notice ...

Page 35: ...XI5602510001 Power cord 1 10 XI572011201C Power cord clip 1 11 XI6151204020 Pedestal assembly 1 12 XI6156103020 Standing pole assembly 1 13 XI58B0A4231A Bracket for power cord clp 1 14 XI635KH00801 Touching key board assembly 1 15 XI615811500A Rotor assembly 1 16 XI617081500B Speaker assembly 1 17 XI635KH00800 IR assembly 1 18 XI570031901D Light guided pole 1 19 XI5810F72410 Interface baffle side ...

Page 36: ...ce your TV screen face down on a cushioned clean surface to protect the screen from damages and scratches 2 Secure the stand to the TV with the three provided screws If the stand is provided please read these instructions thoroughly before attempting this installation NOTE The appearance of this product in these illustrations may differ from your actual product and is for comparative purposes only...

Page 37: ...ctor to the rear of the display unit Caution the direction of the connectors should be strictly confirm to the diagram illustrated above 5 Put the back of the display unit close to the wall mounting holder insert the four wall mounting connectors into the four calabash shaped holes on the wall mounting holder Fig 5 Take out these parts from the box Wall Mounting Holder Expansion Bolt Wood Screw Co...

Page 38: ...June 2011 ...