Sanyo LCD-22XR9DZ Service Manual Download Page 25 | Manualshive

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background image

2

．

Backlight is normal, but there is no picture

Yes Yes

No

No

Yes

TV

有

No

No

Yes

Check if operations
of remote control or
keys on the unit are
normal ?

Check if there
is no picture of
all channels ?

Enter into factory menu

，

initialize EEPROM, then
power off and power on
again, check if there is
picture ?

Change another
main board

Adjust main board again

Check if OSD menu is
displayed normally
after pressing key
“menu”?

«
...
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24
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»

Summary of Contents for LCD-22XR9DZ

Page 1: ...SERVICE MANUAL FILE NO PRODUCT CODE No REFERENCE No SM0915055 1 682 346 40 PRODUCT CODE No LCD TV LCD 22XR9DZ ...

Page 2: ...s Method of software upgrading 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 11 15 18 19 23 24 27 ...

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: ...801 Pin1 2 3 4 5 6 7 8 9 10 11 12 13 Voltage Note 1 Note 2 0 12 V 5 0 NC 5 V 5 0 5 V 5 0 Note 3 Note 1 Control of backlight switch BLK_ON high level 4 7 0 2V on low level 0 5V off 2 Adjustment of backlight brightness ADJ_PWM continuous adjustment in factory menu within 2 3 6V 3 Control of power switch PWR_ON OFF high level 3 3 0 2V on low level 0 5V off Alignment instructions Test equipment PM5518...

Page 6: ... is normal analog parameter control horizontal vertical center etc Fig 1 Adjustment flow chart 2 Alignment instruction 2 1 Unit adjustment 2 1 1 According to the wiring diagram specified by product specification connect power board digital board IR key board and backlight board correctly then power on and press key check if the display is normal 2 1 2 Using method of factory menu a First press key...

Page 7: ...de Standby means the set will be in Standby state after power on ForceOn means the set will be working automatically after power on the mode is also used for factory machine aging default setting should be Standby mode unless specified by customer requirement o Factory menu item BACKLIGHT is used to adjust backlight brightness test voltage of X801 2 PWM and adjust the item to meet the requirement ...

Page 8: ...m MODE press keys and to select item HDMI then move cursor to item TEMPERTURE press keys and to select item Normal e Fix item G GAIN adjust item R GAIN B GAIN to set chromaticity coordinates of the 13th step is 285 293 f Fix item G OFFSET adjust item R OFFSET B OFFSET to set chromaticity coordinates of the 4th step is 285 293 g During adjustment make sure that color temperature of bright step is X...

Page 9: ...ound and other functions are normal Switch to TV or AV channel connect AV OUT port to another TV set check if the picture the sound and other functions of AV OUT channel are normal 3 3 SCART port Input signal to SCART port check if the picture the sound and other functions are normal Switch to TV channel check if the picture the sound and other functions of SCART OUT channel are normal 3 4 Compone...

Page 10: ... 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 8 800 600 46 875 75 49 5 VESA 9 1024 768 48 363 60 004 65 VESA 10 1024 768 56 476 70 069 75 VESA 11 1024 768 60 023 75 029 78 75 VESA 12 1152 864 67 5 75 108 VESA 13 1280 960 60 60 108 VESA ...

Page 11: ...th program ALL100 write protect setup refer to Note 1 in detail N108 5272404002 AT24C04 HDCP KEY Yes burned with program ALL100 NA05 5272402002 AT24C02 HDMI EDID Yes burned with program ALL100 N106 5272402002 AT24C02 VGA EDID Yes burned with program ALL100 Note 1 Write protect setup method Enter into interface AUTO of burning program ALL 100 select item Config press item config Setting set item Pr...

Page 12: ...displayed as Fig 3 to show succeeding in connecting Fig 3 Device MX25L64 successful connection If failing to connecting select the first menu Device and manual select item MX25L64 then press key Connect 4 Press key Read select burning file for example MERGE bin as Fig 4 Fig 4 Burning file ...

Page 13: ... please confirm process 2 and then burn software again the following course Programming Flash Status 00 will be done until a prompt Pass is displayed 7 A prompt Pass will be displayed beside the key Run for successful burning as Fig 6 Fig 6 A prompt Pass beside the key Run for successful burning 8 Need not exit from ISP burning interface and only repeat the process 3 and 5 to go on burning softwar...

Page 14: ...U disk indicator light twinkling C Updating Please don t power off Now an indicator light of the set is twinkling and changing colors by turn an OSD indicating bar is prompting upgrading schedule until 100 burning process is completed then the set will be in standby state after the burning process completed 5 Start up the set again enter into factory menu to confirm software version and time param...

Page 15: ...ideo signal is decoded by main chip MSD209 and then digital video signal is outputted in the end LVDS signal is outputted to drive LCD panel after a series of digital processes and OSD addition within main chip MSD209 Audio route de double using audio signal is decoded into Dolby AC 3 signal or MPEG multi sound track digital audio signal by inner decoder of main chip MSD209 then one is outputted t...

Page 16: ...through SPDIF directly after the process of sub transform and DAC the other is outputted as analog audio signal with double sound track stereo the analog audio signal is inputted into the rear part of main chip MSD209 for acoustic process and volume control then inputted into left and right sound tracks of earphone amplifier BH3547F respectively to be amplified now the audio signal is divided into...

Page 17: ... group of VGA input One group of audio input for VGA and DVI Mini Phone Jack One group of YPBPR input and RCA L R input One group of RF One group of RS232 Mini Phone Jack One group of audio output Mini Phone Jack One group of Video output and RCA L R output One group of SPDIF coaxial output One group of USB for upgrading ...

Page 18: ...Block diagram ...

Page 19: ...er comprising a 3 D motion adaptive comb filter and time based correction and a NICAM A2 audio decoder to support worldwide television standards The MSD209FG is also configured 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 ad...

Page 20: ...ction Auto tuning function including phasing positioning offset gain and jitter detection Sync Detection for H V Sync Video Processing Conversion 3 D motion adaptive video de interlacers with edge oriented adaptive algorithm for smooth low angle edges Automatic 3 2 pull down 2 2 pull down detection and recovery MStar 3rd Generation Advanced Color Engine MStarACE 3 automatic picture enhancement giv...

Page 21: ...ernal flash Two ports of USB 2 0 host controller with the flexibility for connecting external storage devices 375 ball LFBGA package Operating at 1 26V core 1 9V DDR2 and 3 3V I O and analog 2 Digital demodulating chip CE6353 The chip comprises 8MHz bandwidth SAW and supports demodulation of 6MHz 7MHz and 8MHz 2K 8K carrier and supports both serial and parallel TS stream output 3 Audio power ampli...

Page 22: ...n unit for both positive and negative modulated TV systems The unit includes a 7 MHz digital SAW filter with an IF AGC amplifier for connection to the DVB T channel decoder The FQD1116 is intended for CCIR L L France B G I and D K systems and DVB T broadcast The frontends have a built in digital I2C PLL tuning system A DC DC converter circuit is built into the FQD1116 to synthesize the tuning volt...

Page 23: ...Wiring diagram ...

Page 24: ...board is normal Press key POWER of remote control or the unit to power on check what color of indicator light is Check if the voltage of X801 13 on main board is high level Check if the voltage of X801 1 on main board is high level Check if STANDBY circuits on power board are normal Check if circuits about power control on main board are normal Check if circuits about power control on main board a...

Page 25: ...emote control or keys on the unit are normal Check if there is no picture of all channels Enter into factory menu initialize EEPROM then power off and power on again check if there is picture Change another main board Adjust main board again Check if OSD menu is displayed normally after pressing key menu ...

Page 26: ...NV01 4 12 is normal No Yes No Yes Yes Yes No No Check the voltage of VV01 b is low level Check if the wave of NV02 3 5 is normal Check if the voltage of VV02 b is low level Change another NV02 Change another NS01 Check if the wave of CV10 s or CV12 s pin beside NS01 is normal Change another VV01 Change another CV10 or CV12 Change another VV02 ...

Page 27: ... CVdd 60 Vss 61 MOCLK 62 BKERR 63 MICLK 64 CVdd GJ01 20 48MHz 1 RF 2 Ant_Pwr 3 GND3 9 GND9 10 NC10 11 As 4 NC4 12 SCL 13 SDA 14 REF 5 RF_AGC 6 GND6 7 VP TUN 19 5V_IF 20 2ndIF Low_DIF1 21 2ndIF Low_DIF2 22 NC 15 IF_AGC 16 DIF1 17 DIF2 18 Wout 8 VT 23 AS_IF 24 CVBS GND D R101 10K GND D R103 10K XM01 PCMCIA 0070210PA8C 22 A7 1 GND 21 A12 4 D5 5 D6 15 WE 11 A9 6 D7 20 MCLK A15 8 A10 13 A13 9 OE 14 A14...

Page 28: ...2 SIF_INP T6 LINE_IN_5R Y3 LINE_IN_2L W3 LINE_OUT_2R Y5 LINE_OUT_2L F15 SPDIF_IN GPIO47 E11 I2S_OUT_SD GPIO52 G16 I2S_IN_BCK GPIO45 H16 I2S_IN_WS GPIO44 G15 I2S_IN_SD GPIO46 E10 I2S_OUT_MUTE LHSYNC2 GPIO13 E16 I2S_OUT_MCK GPIO50 F16 I2S_OUT_WS GPIO49 E12 I2S_OUT_BCK GPIO51 V2 AU_COM VIM0 N5 AUVRM N4 AUVRP U3 AUVAG External_CVBS 002 D6 003 C4 C137 2 2u C143 2 2u C142 2 2u C132 2 2u C139 2 2u C133 2...

Page 29: ...XCN2 T14 DDCDC_DA J1 RX1P0 Y8 RXCP2 W11 RX2N2 F4 HOTPLUGA Y11 RX2P2 K6 VSYNC2 M7 VSYNC0 L1 RIN0M K5 CVBS_OUT2 L7 HSYNC0 L2 RIN0P H6 RIN1P J4 C0 CVBS6P F5 REXT M1 GIN0M H5 GIN1P L6 RIN2P M2 GIN0P H3 BIN1P L4 GIN2P N1 BIN0M H4 SOGIN1 L3 BIN2P N2 BIN0P G8 VSYNC1 L5 SOGIN2 J5 SOGIN0 G7 HSYNC1 N15 HOTPLUGC G4 VCLP G5 REFP G6 REFM J3 Y0 CVBS4P K3 Y1 CVBS5P K4 C1 CVBS7P M4 CVBS1P P1 CVBS2P M3 CVBS3P R1 V...

Page 30: ...R2_A WEZ D9 SDR_AD11 DDR2_A BA0 D10 SDR_AD10 DDR2_A BA1 B4 SDR_AD0 DDR2_A RASZ A4 SDR_AD1 DDR2_A CASZ C3 SDR_AD2 DDR2_ADR0 A15 SDR_AD12 DDR2_A ADR1 B3 SDR_AD3 DDR2_A ADR2 A13 A ODT DDR2_A ADR3 A3 SDR_AD4 DDR2_A ADR4 B14 SDR_BA0 DDR2_A ADR5 D6 SDR_AD5 DDR2_A ADR6 B13 SDR_CASN DDR2_A ADR7 D5 SDR_AD6 DDR2_A ADR8 A14 SDR_WEN DDR2_A ADR9 E20 B DQM0 DDR2_B DQM0 B19 SDR_DQ18 DDR2_B DQ0 H18 SDR_DQ29 DDR2_...

Page 31: ...9 10 11 12 13 GND D V807 BC847AW R830 4 7K R839 0 R833 1K R828 100 5V GND D ADJ_PWM 007 C3 R867 10K BLK_ON 007 C3 5V C883 4 7u V806 BC847AW R838 4 7K R829 10K R868 10K GND D GND D R826 20K R827 10K V801 BC847AW GND D R804 47K C848 100n R802 10K 12V_IN PWR_ON OFF 005 B2 007 C3 V802 AO3401 S D G R803 100 GND D 12V_IN 12V_IN N805 MP2309 1 BS 2 IN 3 SW 4 GND 5 FB 6 COMP 7 EN 8 SS N804 MP1482 1 BS 2 IN...

Page 32: ...2 DP0 007 B2 DM0 007 D1 DP0 007 D1 R834 22 R835 22 GND D USB0_OC 007 C1 F7 TESTPIN V19 G2_RXE0 U14 HWreset V20 G3_RXE0 V11 INT PM_CTRL GPIO4 U19 G4_RXO4 L18 INT2 GPIO10 U20 G5_RXO4 V1 XTAL_2I U1 XTAL_2O Y13 SPI_CK1 W14 SPI_CZ1 W13 SPI_DI1 Y14 SPI_DO1 T19 G6_RXO3 V10 IRIN M18 IRIN2 GPIO9 T20 G6_RXO3 A1 USB2 0 P0_DP A2 USB2 0 P0_DM W16 B0_RXE4 E8 USB2 0 P1_VBUS E7 USB2 0 P1_CID B1 USB2 0 P1_DP B2 US...

Page 33: ... RV06 1K GND D RV13 4 7K GND D RV16 10K RV25 0 12V CV05 100n MUTE_AMP 002 D4 002 D5 GND S CV16 100n GND D GND S RV23 0 CV20 100n GND D CV15 2 2n GND D RV11 1K AMP_L 008 C3 RV07 470 RV26 0 XV01 1 2 3 4 RV22 1K CV10 1u SRP1 CV02 100n 5V RV18 2 4K GND S DV03 LL4148 VV03 BC857AW 3 3AVDD 3 3AVDD CV14 47uF 10V CV11 100uF 10V CV23 47uF 10V CV21 470uF 16V RV28 10K 3 3AVDD LV08 STBH2012 501PT LV03 500 STBH...

Page 34: ...6 1n C530 R512 10 7 5V R503 100 RT501 5 1 Startup 2 S GND 3 Vcc 4 FB 5 BD 6 OCP 7 ADJ C502 275VAC D505 TRU1P D508 C511 2 2u C528 1000u 25V C531 1000u 25V C524 1000u 25V C522 1000u C529 1000u 25V C525 1000u 25V R506 22K D524 HZ20 2 R559 C518 470p 500V R561 100K R513 3 3K R515 12K R514 1 2K R563 1K R564 R562 N505 BA50BC0T 1 Vcc 2 GND 3 OUT D501 T2SB60 1 2 3 AC 4 C523 C506 0 1uF 275VAC C512 100u C509...

Page 35: ... 0 R538 0 D517 CD4148WP R533 5 1K R548 0 R549 0 R522 10K V503 2N7002 T1 S D G V504 2N7002 T1 S D G 1 NDRV4 2 PGND 3 NDRV2 4 GNDA 5 CT 6 LCT 7 ADJ 8 ENA 9 VSEN 10 CMP_SST 11 ISEN 12 VREF 13 VIN 14 HSB 15 PDRV3 16 PDRV1 D513 BAT54D D514 BAT54D D518 BAT54D C547 1000u 25V C546 1000u 25V D512 HZ9A3 R519 10K R524 0 R525 120K C533 150p R535 22K R567 18K R540 47K R541 47K R544 47K R545 47K R542 47K R546 4...

Page 36: ...processing board 6KE0036910 NS01 NJ01 NV01 TUNER1 MSD209FG LF 5270209001 CE6353 5276353001 TDA 7266SA 5267266001 FQD1116ME IV 5524000029 IR board 6HE0350910 Key board 6HE0330510 Power Inverter board 6KE0022010 Remote control 6010J01701 RC J17 Panel 5203225201 CLAA216WA01 ...

Page 37: ...APPENDIX B Exploded view LC 22KE42 ...

Page 38: ... assembly 5 power backlight assembly 6 wall mounting fixed board 7 back cover 8 stand assembly 9 power switch 10 interface baffle down 11 clamp for power cord 12 interface baffle 13 key assembly 14 speaker assembly 15 IR assembly 16 light guided pole Note design and specifications are subject to change without notice ...

Page 39: ...all mounting fixed board 2 7 5H2246J010 back cover 1 8 6151197000 stand assembly 1 9 5293000042 power switch 1 10 5810D68700 interface baffle down 1 11 572011201C clamp for power cord 1 12 5810C68610 interface baffle 1 13 6HE0330510 key assembly 1 14 6170809000 speaker assembly 1 15 6HE0350910 IR assembly 1 16 5700315010 light guided pole 1 Only the parts in above list are used for repaired Other ...

Page 40: ...ssembly be sure to put a soft cushion or covering to prevent accidental scratching or damage to the unit s finish 4 The speaker is not intended to support the weight of this display Do not move or handle this product from the speaker which can cause damage to the display not covered under the manufacturer s warranty Place the stand on the table hold the display upright and aim the bottom stand col...

Page 41: ...cts are subject to change without notice Detaching the stand column 1 Place carefully the display on its front side with a soft cushion below shake the stand forward or backward to adjust angle between the stand and the display let the angle 90 If wall mounting please detach the stand column Place carefully the display on its front side with a soft cushion below loosen and remove 4 pcs screws deta...

Page 42: ...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 43: ...April 2009 ...

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