Sanyo LCD-32XR10F(B) Service Manual Download Page 1

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LCD TV

SERVICE MANUAL

PRODUCT CODE No.
1 682

350 90

: PAL-BG(TV) DTV

FILE NO.

PRODUCT CODE No.

REFERENCE No.:

SM0915172

CD-32XR10F(B)

Summary of Contents for LCD-32XR10F(B)

Page 1: ...LCD TV SERVICE MANUAL PRODUCT CODE No 1 682 350 90 PAL BG TV DTV FILE NO PRODUCT CODE No REFERENCE No SM0915172 LCD 32XR10F B ...

Page 2: ...ons 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 18 19 26 27 30 Assemble Disassemble the Pedestal Base Wall mounting instructions ...

Page 3: ...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 power off at onc...

Page 4: ... 20 80 Scope for storage 80 2 13 Display of a fixed picture for a long time may result in appearance of picture residue on the screen as commonly called ghost shadow The extent of the residual picture 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 displ...

Page 5: ... voltage of Table 2 Table 2 Voltage of XV03 each pin XV03 Pin1 2 3 4 5 Vol 0 23 8 V 25 2 V Alignment instructions 2 Test equipment VG 848 VGA YPbPr signal generator VG 849 HDMI digital video signal generator CA210 color analyzer 1 Safety Instructions Be sure to switch off the power supply before replacing or welding any components or inserting plugging in connection wire Anti static measures to be...

Page 6: ...arameters control etc Check if the output of earphones and speakers are normal Input high definition component signal mode check YPbPr functions are normal Input VGA signal check if display and other functions are normal analog parameters control H V center etc Input AV signal check if AV functions are normal Setup before shipment Accessories checkup and packing Input HDMI signal check if display ...

Page 7: ...pgrading unit software through VGA port while connecting to ISP device OFF Normal DDC functions of VGA port will recover l Factory menu item EEPROM Init for factory and customer data initialization TV set will reset and initial guiding interface will display after executing the item m Factory menu item Factory ChA for factory channels presetting it is necessary to connect to central signal source ...

Page 8: ...enu 4 Input Y Pb Pr signal VG848 Timing 976 720P Pattern 918 SMPTE Color Bar move cursor to item MODE press keys and to select item YPbPr then move cursor to item AUTO ADC and press key ENTER to begin auto adjustment until completing the calibration prompt SUCCESS displaying below AUTO ADC means successful auto calibration 4 3 White balance adjustment Unless specified by customer default color tem...

Page 9: ... coordinate of X will increase when R gun is adjusted upwards coordinate of X will decrease when R gun is adjusted downwards G Gun adjusting G gun will effect coordinate of Y and value of Lv greatly coordinate of Y will increase when G gun is adjusted upwards coordinate of Y will decrease when G gun is adjusted downwards Note Default color temperature specified by SANYO customer is Normal adjust c...

Page 10: ... select items Picture Screen Auto Adjusting in turn to make calibration automatically Table 4 VGA signal formats No Definition H fre kHz V fre Hz Dot pulse fre MHz Note 1 640 480 31 469 59 94 25 175 IBM 2 720 400 31 469 70 086 28 322 IBM 3 640 480 37 861 72 809 31 5 VESA 4 640 480 37 5 75 31 5 VESA 5 800 600 35 156 56 25 36 VESA 6 800 600 37 879 60 317 40 VESA 7 800 600 48 077 72 188 50 VESA 8 800...

Page 11: ...er the circumstances of power on switching channels or formats etc 5 8 Other functions checkup Check if functions timing on off sleeping off picture sound mode OSD stereo and digital audio ports etc are normal Check if pure audio program RADIO are normal when switching to digital programs Check if functions of LCN and OTA are normal 6 User menu setup before shipment Enter into page LOCK of user me...

Page 12: ...grade connect both VGA ports of ISP burning device and main board enter into factory menu and set item ISP Mode as ON 2 Using Mstar online burning program V4 4 2 0 or higher versions enter into menu Device tick option WP Pin pull to high during ISP to ensure that hardware write protect of Flash is removed and erasing process is normal please refer to Fig 2 Fig 2 Write protect setup Factory softwar...

Page 13: ...ile such as MERGE bin please refer to Fig 4 Fig 4 Burning file selection 5 Press menu Auto tick options All chip and program please refer option switches to Fig 5 Fig 5 Option switches 6 Press button Run to begin burning process which includes two steps Erase and Program 3 Press menu Connect a dialog box Device Type is MX25L64 will pop up that is connection has been successful please refer to Fig ...

Page 14: ...h USB 1 Make sure that U disk is formatted as FAT32 2 Copy firmware Merge bin to U disk 3 Power on TV set be sure to be in channel of ATV or DTV and have not any OSD interface insert U disk into USB port of TV set a First press key SOURCE then press keys 2 5 8 0 in turn to enter into initial factory menu b Select item software update to begin upgrade 4 Upgrade process A Read data from U disk while...

Page 15: ... demultiplexing then LVDS signal will be outputted to drive display panel Audio route digital audio signal will be sent into main chip MSD209GL for decoding and audio processing after demultiplexing then dual sound track analog audio signal stereo is sent to earphone amplifier BH3547F to be amplified after the processes of preamplification acoustic effect processing and volume control by main chip...

Page 16: ...er to be amplified and then outputted Brief Instruction of the Unit MPEG 2 MP HL H 264 Main and High profile up to Leve4 0 Decoding MPEG Dolby Digital AC 3 Digital audio decoding AAC 3D comb filter Wide range power supply low power consumption in standby mode 1W Audio power amplifier class D HI quality acoustic effect output Hi quality processing of interlaced to progressive scanning Real integrat...

Page 17: ...One group of Video and RCA L R output One group of SPDIF coaxial output One group of USB for upgrading ...

Page 18: ...Block diagram ...

Page 19: ...plications with resolutions up to full HD 1920 x 1080 It is configured with an integrated triple ADC PLL a multi standard TV video and audio decoder amotion adaptive video de interlacer a scaling engine the MStarACE 3 color engine an advanced 2D graphics engine a transport processor a high definition HD MPEG video decoder a high definition HD ...

Page 20: ...d with a VBI processor to decode digital information such as Close Caption V chip teletext WSS CGMS A VPS In addition the MStar advanced LCD TV processor enhances video quality motion adaptive de interlacer picture quality adjustment units and MStarACE 3 color engine With USB 2 0 host controllers UART IR SPI I2C and PWM the MSD209GL fulfills all requirements in advanced DTV sets To reduce system c...

Page 21: ... grayscale picture Operates in scan unit hardware decoder will handle the bit stream after scan header Supports programmable region of interest ROI Supports scaling down ratio 1 2 1 4 1 8 applied to height and width simultaneously NTSC PAL SECAM Video Decoder Supports NTSC M NTSC J NTSC 4 43 PAL B D G H M N I Nc and SECAM Automatic TV standard detection Motion adaptive 3D comb filter for NTSC PAL ...

Page 22: ...bust receiving MACE 4 MStar Advanced Color Engine year 2009 Edition provides superb visual quality for wider gamut FHD panels Fully programmable shrink zoom capabilities Panorama and various scaling supports 3D motion adaptive video de interlacers with de flickering and edge smoothing functions Automatic 3 2 pull down 2 2 pull down detection and recovery Supports sRGB and xvYCC color processing Su...

Page 23: ... CCI and ACI rejection capability Independent ADC controls for IF and RF Configurable parallel serial MPEG 2 transport stream interface Impulse Noise suppression Advanced performance for SFN networks Supports single or dual AGC control Direct 36MHz 44MHz IF sampling scheme from tuner Full digital frequency offset recovery with wide acquisition range 500kHz IQ imbalance compensation for ZIF Integra...

Page 24: ...when the thermal pad is soldered to the printed circuit board directly Recommended Power Condition SE operation mode 15Wx2ch VD 24V 4Ω load THD N 1 BTL operation mode 30Wx1ch VD 21V 8Ω load THD N 10 Highly efficient low noise and low distortion Popless Built in protection Overcurrent overheat and undervoltage Built in Mute and Standby function The gain can be changed to four settings by two termin...

Page 25: ... standard ETS 300 744 and cable standard ETS 300 429 for digital It consists of a 3 band RF tuner which receives RF signal and down converts it to an IF frequency of 36MHz for digital and 38 9MHz for analog IF The analogue IF output can directly drive a SAW filter A digital IF Stage which consists of one SAW filter gaincontrollable IF that offers a sufficient output level to be connected directly ...

Page 26: ...WIRING DIAGRAM PANEL Main Board P Power Board BACKLIGHT SPEAKER IR Board Key Board Power Switch ...

Page 27: ...wer board and backlight board Press key POWER of remote control or the unit to turn on TV set check indicator light Check if voltage of X108 13 on main board is high level Check if voltage of X108 3 STB on main board is 5V Check STANDBY circuits on power board Yes Check backlight control circuits N101 on main board Check if voltage of X108 1 on main board is high level Check power board ...

Page 28: ...operated by remote control or keys of the unit Aren t there pictures of all channels Change main board Enter into factory menu initialize EEPROM power off and then power on TV set again check if there is picture Press key menu check if OSD display normally Change main board Readjust main board ...

Page 29: ...m XV03 to NV02 on main board Check if voltage of NV02 10 27 is high level Check if voltage of N802 143 227 is low level Are there sound from earphones Change NV02 Check amplified circuits of earphone Touch CV04 and CV05 with probe to check if there are sounds from earphones Check audio output circuits on main board Check circuits from N802 143 227 to NV02 10 27 Change N802 ...

Page 30: ...3 TS_DATA 3 44 TS_DATA 2 45 TS_DATA 1 46 TS_DATA 0 47 VDDC_47 48 RF_AGC GJ01 24MHz 2 B1 3 RF_AGC 11 DIF1 4 SCL 12 AIF 5 SDA 6 B2 1 Ant_Power 7 Vtu_T P 8 AS 9 IF_AGC 10 DIF2 C112 470u 16V C190 100p L101 STBH3216 301PT GND D GND D L107 0 68uH V101 2SC4215 C104 220u 25V LJ02 RJ28 10K R102 10K RJ21 10K RJ31 10K RJ05 10K RJ29 10K R238 10K RJ27 10K R101 10K RJ09 10K R239 0 R234 0 R187 0 R236 0 R105 0 R1...

Page 31: ...C131 47p C165 47p C134 47p C169 47p C168 47p C130 47p C123 47p C143 47n C152 47n C137 47n C140 47n C139 47n C174 47n C149 47n C144 47n C172 47n C141 47n C151 47n R117 10K R118 10K R189 10K R252 10K R163 10K R164 10K R188 10K R165 10K R123 10K R121 10K R124 10K R181 10K R167 10K R168 10K R122 10K R184 10K R131 0 R119 0 R166 0 R128 0 R130 0 R129 0 R179 75 R140 75 R142 75 R138 75 R139 75 R180 75 R137...

Page 32: ... 10K R850 10K R846 10K C831 100n R805 13K R809 13K R810 13K R807 13K R828 1K R826 1K R835 100K R851 330 R845 0 N806 EN25B32 100HIP 1 CS 2 SO 3 WP 4 GND 5 SI 6 SCLK 7 HOLD 8 VCC 3 3AVDD GND D C824 20p C825 20p C837 20p C811 1u X804 TJC10S 07A 1 2 3 4 5 6 7 N801 APX810 29SAG 7 Vcc GND RESET R837 22 C821 2 2n C819 2 2n C822 2 2n C812 2 2n C820 1n C828 1n X805 RCA 103A OR OR R852 1K C832 100n C834 100...

Page 33: ... 40 TXOUT40 5V_USB0 TXOUT2O TXOUT3O TXOUT4O GND D TXOUT0O 5V 5V TXOUT0O L402 STPB3216 380PT TXOUT2E GND D GND D GND D USB_SW 12V TXOUT1E SDA V403 BC847AW TXOUT2E TXCLKOUTE TXOUT1O TXOUT4E GND D TXCLKOUTE PANEL_POWER L401 STPB3216 380PT SCL GND D TXOUT1E PANEL_ON OFF N401 AO4803A 1 S2 2 G2 3 S1 4 G1 5 D1_5 6 D1_6 7 D2_7 8 D2_8 TXOUT2O TXOUT3O GND D GND D 5V_USB V402 BC847AW V401 BC847AW TXOUT1O TXO...

Page 34: ...IN OUT AVDD_VIF GND D C254 2 2u L122 STBH2012 221PT AVDD_VIF C188 220u 25V C244 100u 16V C211 100u 16V C203 100u 16V C183 220u 16V C187 220u 16V C204 220u 16V C192 220u 16V C196 100u 16V C202 220u 16V L103 STPB3216 380PT N112 AZ1084S 3 3 Vin ADJ GND Vout C215 100p C216 100p R217 0 R206 0 R209 100 R865 10K R225 10K R218 10K R212 10K R222 10K R240 10K R226 10K R214 4 7K R241 4 7K R219 4 7K R221 4 7K...

Page 35: ...RX2 HDMI 3_RX0 HOTPLUG_HDMI 1 VA03 BC847AW HOTPLUG_HDMI 1 HOTPLUG_HDMI 2_OUT 5V_HDMI 2_IN 5V_HDMI 3_IN HOTPLUG_HDMI 3_OUT HOTPLUG_HDMI 2 5V_HDMI 1_IN HOTPLUG_HDMI 3 VA01 BC847AW HOTPLUG_HDMI 1_OUT VA02 BC847AW 3 3VDD 5V_HDMI 3_IN 5V_HDMI 2_IN 5V_HDMI 1_IN 3 3AVDD 3 3AVDD 3 3AVDD XA03 HDMI 18 11 4 17 7 14 3 2 10 13 6 19 9 1 16 5 12 15 8 XA01 HDMI 18 11 4 17 7 14 3 2 10 13 6 19 9 1 16 5 12 15 8 XA02...

Page 36: ...18 100n RV16 0 DV04 LL4148 LV04 LSDL 035 GND D PRIM_AUD_OUT_R CV30 1000u 35V GND D 24V AMP CV13 47u 16V GND S CV25 470n VV03 BC847AW STANDBY_AMP GND S 5V GND S MUTE_AMP PRIM_AUD_OUT_L PH_DECT GND S LV03 A7503AY 150M 24V AMP CV17 100n VV02 BC847AW AMP_R DV01 LL4148 CV16 100n 5V 24V AMP GND D 12V GND D GND D GND D CV29 100n GND S 5V GND D LV01 MUTE_PH LV02 A7503AY 150M AMP_L CV28 1000u 35V GND D 3 3...

Page 37: ...G1608B121 D 0 7 KEY LED1 R13 5 6K V33 AVCC R2 0 R4 100 LED8 C6 100n 1 CIN1 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 GN...

Page 38: ...Power ...

Page 39: ... XI6KH00501C0 N802 N301 NJ01 TUNER1 NV02 MSD209GL 5270209002 K4T1G164QE HCF7 5270164002 MSB1210 LF 5271210001 FT2119 5524050026 R2A15112FP 5271511201 IR board XI635KH00302 Touching key board XI635KH00301 Power board XI6KH0012010 Remote control XI6010900501 RC 905 0A Panel XI5203328308 T315HW04 VD ...

Page 40: ...APPENDIX B Exploded view LCD 32XR10F B ...

Page 41: ...oard assembly 7 Back cover assembly 8 Light guided pole 9 IR assembly 10 Sound box assembly 11 Touch key board 12 Main board assembly 13 Interface baffle right 14 Interface baffle below 15 Wall mounting connector 16 Clip 17 Standing pole assembly 18 Pedestal assembly Note design and specification are subject to change without notice ...

Page 42: ...0302 IR assembly 1 10 XI6170836000 Sound box assembly 1 11 XI635KH00301 Touch key board 1 12 XI6KH00501C0 Main board assembly 1 13 XI5810C72110 Interface baffle right 1 14 XI5810D72200 Interface baffle below 1 15 XI58B0042900 Wall mounting connector 4 16 XI5720124000 Clip 1 17 XI615610900A Standing pole assembly 1 18 XI6151222000 Pedestal assembly 1 19 XI6010900501 Remote control 1 20 XI594403700B...

Page 43: ...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 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 To remove the stand from the TV j...

Page 44: ...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 45: ...March 2011 ...

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