Sanyo LED-46XR123D Service Manual
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Sanyo LED-46XR123D, 5.4 D-SUB port Input D-SUB signal from VG-849 with formats listed as Table 3 separately, check picture and sound; if H./V. of picture displays abnormally, enter into main menu Picture->Screen->Auto Adjust to perform auto calibration. Table 3 D-SUB signal formats No. Definition H.- Freq. (kHz) V.- Freq. (Hz) Dot pulse Freq. (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
Sanyo LED-46XR123D, 4、 D-SUB/YPbPr input signal flow D-SUB、YPbPr video signal is inputted to main chip MSD309PX to be processed by A/D convertor, video decoder, anti-interlacing part, video processor and zoom controller, then a pair of LVDS signals are outputted to chip MST6M30 to be processed by modules of 120HZ, MEMC and 3D effect, then two pairs of LVDS signals are outputted to drive display panel. D-SUB、YPbP audio signal is processed by voltage divider, resistance matcher and AC coupler, then sent to main chip MSD309PX to be processed by acoustic effect processor and volume controller to get two parts of signals: the analog part of signal is s
Sanyo LED-46XR123D, Appendix: Installing the Stand Cautions: Make sure that you handle your TV very carefully when attempting assembly or removal of the stand. If you are not sure of your ability to do this, or of your ability to use the tools necessary to complete this job, refer to a professional installer or service personnel. The manufacturer is not responsible for any damages or injuries that occur due to mishandling or improper assembly. When using a table or bench as an aid to assembly, make sure that you put down a soft cushion or covering to prevent accidental scratching or damage to your TV's finish. The speaker is not intended to support the weight of your TV. Do not move or handle your
6) Press “Run” shown as Fig. 4 to perform upgrading in two steps, “Erase” and “Program”; Normal upgrading process: The first step “Erasing…, Flash Status: 03” will last for some time, or erasing is failed if the step passes over immediately; please confirm procedure 2) to perform upgrading again; The second step is “Programming…,Flash Stat
Sanyo LED-46XR123D, 2. No picture, but backlight is normal: Yes Yes No No Yes TV 有 No No Yes Can control the TV 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 th
Sanyo LED-46XR123D, IC Block Diagram 1、 TUNER IC XC5200C The Single-Chip Multi-Standard Tuner XC5200C supports all analog TV formats transmitted worldwide in the 42-1000 MHz band on either cable or terrestrial broadcast channels. It implements on-chip tuning, and channel filtering without external (SAW) filters and has no manually tunable parts. The broadband tuner converts the selected channel into an Intermediate Frequency (IF), which is then sampled by an internal high-resolution analog-to-digital converter (A/D) for further processing. The
Sanyo LED-46XR123D, Software Upgrading Instruction Software Upgrading Instruction as Table 6 Table 6 Software Upgrading Instruction Location Part No. Part model Software function SMT before upgrading Upgrading method N103 5272532006 EN25Q32A-100HIP FLASH Yes Upgrade with ALL100, etc., need write protection, refer to Note1; N105 5272404005 CAT24C04WI-GT3 HDCP KEY Yes NB03 5272402003 CAT24C02WI VGA EDID Yes Upgrade with ALL100, etc. Note 1 Write protection setting method: enter into ALL-100 upgrading interface “AUTO”, tick off “Config”, press “config Setting”, set option “Protect” as “All Protect” and �
2、 AMP IC TAS5711 The TAS5711 is a 20-W, efficient, digital audio power amplifier for driving stereo bridge-tied speakers. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. The device accepts a wide range of input data and data rates. A fully programmable data path routes these cha
Sanyo LED-46XR123D, 3、 AUDIO IC MAX9820 The MAX9820 Windows Vista®-compliant stereo headphone amplifier is designed for portable Equipment where board space is at a premium. It features Maxim’s DirectDrive® architecture to produce a ground-referenced output from a single supply, eliminating the large output-coupling capacitors required by conventional single-supply headphone amplifiers. The MAX9820 features an undervoltage lockout that prevents over discharging of the battery During brownout conditions, click-and-pop suppression that eliminates audible transients on startup, a low-power shutdown mode, and thermal-overload and short-circuit protection. Additionally, the MAX9820 suppresses R
Sanyo LED-46XR123D, PART LIST OF EXPLODED VIEW REF.No. DESCRIPION 1 Front cabinet assembly 2 Key board assembly 3 Main board assembly 4 Display panel 5 Power board assembly 6 Back cover assembly 7 Standing pole assembly 8 Pedestal assembly 9 Panel pressing block 10 Pedestal connecter 11 Interface baffle (down) 12 Interface baffle (side) 13 3D IE assembly 14 Power cord bracket 15 Sound box assembly 16 IR assembly Note: Design and specification are subject to change without notice.
Sanyo LED-46XR123D, Working Principle of the Unit 1、 ATV PAL signal flow Receive RF PAL analog signal and sent it to XC5200C (D/A silicon Tuner controlled by main chip MSD309PX through I 2 C bus) to be demodulated, then differential IF signal is send out to main chip MSD309PX analog demodulation to be demodulated to get analog CVBS video signal and SIF sound signal. CVBS video signal is processed by back-end video decoder, anti-interlacing part, video processor and zoom controller, then a pair of LVDS signals are outputted to chip MST6M30 to be processed
PART LIST LED-46XR123D ver.1.0 REF.No. PARTS No. DESCRIPION Q'TY REMARK 1 XI6646770040 Front cabinet assembly 1 2 XI635KI01605 Key board assembly 1 3 XI6KI0230110 Main board assembly 1 4 XI5203468510 Display panel 1 V460H1-LS2 C7 5 XI6KI02320A0 Power board assembly 1 6 XI674677H040 Back cover assembly 1 7 XI615611500A Standing pole assembly 1 8 XI6151244000 P
Sanyo LED-46XR123D, 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. 2.11 Special care must be taken in transporting or handling it. Exquisite shock vibration may lead to breakage of screen glass or damage to driving circuit. Therefore it must be packed in a strong case before the transportation or handling. 2.12 For the storage make sure to pu
Sanyo LED-46XR123D, 3.2 Adjustment flow as Fig. 1: Fig. 1 Adjustment flow chart Input HDMI signal, check display and all functions (such as analog parameter), H/V center, etc.. Check if EDID、HDCP KEY、FLASH has been written? General assembly and combined adjustment White balance adjustment 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 function
Sanyo LED-46XR123D, Safety precautions 1. Instructions Be sure to switch off the power supply before replacing or welding any components or inserting/plugging in connection wire. Anti static measures must be taken (throughout the entire production process!): a) Do not touch here and there by hand at will; b) Be sure to use anti static electric iron; c) It’s necessary for the welder to wear anti static gloves. Please refer to the part list before replacing components that have special safety requirements. Do not replace with different components with different specs and type at will. 2. LCD servicing precautions 2.1 Screens are different from
Sanyo LED-46XR123D, Troubleshooting Block Diagram 1.Panel doesn’t light up. Yes Red No Blue No Yes No No Yes Supply with power, check if red indicator lights up in STANDBY state? Check backlight board. Check STANDBY circuits on power board. Press key POWER on remote control or the unit, check indicator. Check if level of X601-PIN1 on main board is high? Check if level of X601-PIN5 on
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