Related Manuals for Sanyo LCD-22XR9DKH
Summary of Contents for Sanyo LCD-22XR9DKH
- Page 1 FILE NO. SERVICE MANUAL LCD-22XR9DKH PRODUCT CODE No. PRODUCT CODE No. LCD TV 1 682 348 15: PAL-I,NTSC(AV) REFERENCE No.:SM0915065...
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Page 2: Table Of Contents
CONTENTS Safety precautions………………………………………………………………………..… Alignment instructions …………………………….…….………………………………… Block diagram…………………………………..………………………………….………… Working principle analysis of the unit……………………………….………….…………. IC block diagram………………………………………………………………………..…… Trouble shooting…….………………………………………………………………..…… Wiring diagram ……………………………………………………………………………. Schematic diagram………………………………………………………………………… APPENDIX-A: Assembly list APPENDIX-B: Exploded View... -
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 Anti static measures to be taken (throughout the entire production process!): a) Do not touch here and there by hand at will;... - 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.
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Page 5: Alignment Instructions
Alignment instructions 1. Test equipment VG-848 (YPbPr,VGA signal generator) VG-849 (HDMI signal generator) CA210 (white balance equipment) 2. Alignment flow 2.1 Voltage of power supply test 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 to turn on the unit. - Page 6 Input YPbPr signal，check if every function is normal. Input RGB signal，check if the display is normal; check if every function is normal –analog parameter control, horizontal/vertical center, etc. Input HDMI signal，check if the display is normal; check if every function is normal –analog parameter control, horizontal/vertical center, etc.
- Page 7 will be in Standby state after power-on; “ Memory ” means the set will in the last power-off 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;...
- Page 8 prompt “success” for adjustment completion is displayed; e) Input Component signal (VG-848 Timing:972(1080i)，Pattern:918 100% color bar), move cursor to item “MODE”，press keys “▲” and “▼” to select item “YPbPr（HD）”, then move cursor to item “AUTO ADC” and press key “OK” to begin adjustment automatically until a prompt “success”...
- Page 9 Adjustment rules for reference as below: adjust B gun: adjust B gun value downwards , then coordinates of X、Y will rise; adjust B gun value upwards , then coordinates of X、Y will descent; adjust R gun will effect the coordinate of X and the value of Lv a little: adjust R gun value upwards , then coordinate of X will rise;...
- Page 10 4.4 R,G,B port Input RGB D-SUB signal from signal generator VG-848 with the formats as Table 4 respectively, check if the display and the sound are normal under the circumstances of power-on/off, switching channel, switching signal format, etc. if there is any deviation of line or field, enter into main menu and select items “Picture->Screen->Auto Adjusting”...
- Page 11 Mode1 59.826/59.886 720(1440)×240 15.734/15.75 27/27.027 720(1440)×240p@59.94/60Hz,4:3/16:9 Mode2 60.054/60.115 (2880)×480 15.734/15.75 59.94/60 54/54.054 (2880)×480i@59.94/60Hz,4:3/16:9 Mode1 59.826/59.886 (2880)×240 15.734/15.75 54/54.054 (2880)×240p@59.94/60Hz,4:3/16:9 Mode2 60.054/60.115 1440×480 31.469/31.5 59.94/60 54/54.054 1440×480p@59.94/60Hz,4:3/16:9 1920×1080 67.432/67.5 59.94/60 148.352/148.5 1920×1080p@59.94/60Hz 720×576 31.25 720×576p@50Hz,4:3/16:9 1280×720 37.5 74.25 1280×720p@50Hz 1920×1080 28.125 74.25 1920×1080i@50Hz 720(1440)×576...
- Page 12 Table 6 Instruction of factory software burning Instruction Burned Location size Part No. Part type of software before Burning method function Below 26” burned with program Main N103 5271280501 MX25L12805DMI-20G ALL100, write-protect setup, program 26” refer to Note 1 in detail burned with program...
- Page 13 Fig. 2 Write-protect setup 3) Select menu “Connect”, a dialog “Device Type is MX25L12805D” will be displayed as Fig. 3 to show succeeding in connecting. If failing to connecting, select the first menu “Device” and manual select item “MX25L1280D”, then press key “Connect”. Fig.
- Page 14 Fig. 4 Burning file 5) Select menu “Auto”, then select items “All chip”, “program” and other switches as Fig. 5 Fig. 5 Switches 6) Press key “Run” as Fig. 4 to begin burning software, there are two steps for the process: Erase and Program, normal burning processes are as follows: the first course “Erasing…, Flash Status :03”...
- Page 15 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 software for other sets. Note 3: On-line burning and upgrading method from a USB port 1）...
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Page 16: Block Diagram
Block diagram Working principle analysis of the unit 1. PAL signal flow signal from antenna inputted into TUNER FQD1116 which analog-digital-integrative model, the RF signal is demodulated by the TUNER, then CVBS signal and audio difference IF signal SIF are outputted. TUNER FQD1116 is controlled by main chip MSD209 through I2C bus. - Page 17 back-end of main chip MSD209 for acoustic process and volume control, after being inputted into left and right sound tracks of earphone amplifier BH3547F respectively to be amplified, the audio signal is divided into two ways, one is outputted to earphone jack directly, the other is inputted into class AB audio power amplifier TDA7266SA to be amplified and then outputted to speakers.
- Page 18 - build integration - integrative TUNER（integrating analog with digital） - integrative searching-program function - integrative OSD interface Main parts of the unit： 22寸CPT LCD panel（1920X1080） Main chip：MStar MSD209FG-LF Demodulating chip：LS LGS-8G42-A1 TUNER：NXP FQD1116ME/IV DDR：SAMSUNG K4T51163QC-HCF7 Audio power amplifier (AB type)：ST TDA7266SA FLASH ：MX25L6405DMI-12G External ports of the unit: ...
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Page 19: Ic Block Diagram
IC block diagram 1. MSD209FG-LF: GENERAL DESCRIPTION The MSD209FG is a highly integrated controller IC for LCD/PDP DTV applications 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, a motion 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 24-bit DSP for MPEG audio decoding, a DVI/HDCP/HDMI receiver, and a peripheral control unit providing a variety of HDTV... - Page 20 High-bandwidth Digital Content Protection (HDCP) 1.1 compliant receiver High Definition Multimedia Interface (HDMI) 1.3 compliant receiver with CEC (Consumer Electronics Control) support Long-cable tolerant robust receiving H igh -Performance Scaling Engine Fully Programmable shrink/zoom capabilities Nonlinear video scaling supports various modes including Panorama ...
- Page 21 M iscellaneous DRAM controller to support up to 32-bit DDR2 interface Supports Common Interface for conditional access SPI bus for external 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.
- Page 22 STAND-BY & MUTE FUNCTIONS ■ SHORT CIRCUIT PROTECTION ■ THERMAL OVERLOAD PROTECTION ■ 4.Tuner：FQD1116ME/IV The FQD1116 belongs to the new family of highly-featured hybrid frontends, which are designed to meet a wide range of RF applications. The FQD1116 combines the functions of a DVB-T digital tuner and a multi-standard TV IF demodulation unit for both positive and negative modulated TV systems.
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Page 23: Trouble Shooting
Trouble shooting 1. Fault clearance Before servicing please check to find the possible causes of the troubles according to the table below. 1.1 Antenna (signal): Picture is out of focus or jumping Bad status in signal receiving Poor signal Check if there are failures with the electrical connector or the antenna. - Page 24 signal types. Picture too bright and there is Check if the contrast setting is too high. distortion in the brightest area Possibly the output quality of DVD broadcaster is set too high. It maybe also due to improper terminal connection of the video frequency signal in a certain position of the system.
- Page 25 2. Troubleshooting guide 2.1 Panel is dark. Power on main power, check if the red indicator light in STANDBY mode is bright ? Press key “POWER” of remote control or the unit to power on，check what Check if the voltage color of indicator light is? X601-11# Blue...
- Page 26 2.2 Backlight is normal, but there is no picture Check if operations Check if OSD menu is of remote control or displayed normally keys on the unit are after pressing normal ? “menu”? Check if there is no picture of all channels ? Enter into factory menu ，...
- Page 27 2.3 There is picture but no sound. No sound Check if the voltage Check if the wave Change another of NV01-6/7# is high of NV01-4/12# is level ? normal ? NV01 Check the voltage of Check if the wave Check if the wave of VV01-b# of NV02-3/5# is CV15’s or CV17’s pin...
- Page 39 APPENDIX-A: Main assembly LCD-22XR9DKH MAIN COMPONENT AND IT'S NO. NAME NS01 MSD209FG-LF (5270209001) NV01 TDA7266SA (5267266001) NS02 K4T51163QG (5275116301) Data processing board XI6KE00669K0 NS03 K4T51163QG (5275116301) N201 LGS-8G42-A1 (5270842001) TUN201 FQD1116ME/I V (5524000029) IR board XI6HE0350910 Key board XI6HE0330510 Power/Inverter board...
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Page 40: Appendix-B: Exploded View
APPENDIX-B: Exploded view (LCD-22XR9DKH) - Page 41 PART LIST OF EXPLODED VIEW DESCRIPTION front cabinet panel main frame data processing board power/inverter board wall mounting fixed bracket back cabinet stand power switch AV baffle AC cord AV baffle key board speaker IR board light conducting column User manual Remote control Note: design and specifications are subject to change without notice.
- Page 42 PART LIST LCD-22XR9DKH ver.1.0 REF.No. PARTS No. DESCRIPION Q'TY REMARK XI5Q2242001A front cabinet XI5203228201 panel XI574022801B main frame XI6KE00669K0 data processing board XI6KE00620K0 power/inverter board XI581A066300 wall mounting fixed bracket XI5H2246J01B back cabinet XI6151201000 stand XI5293000042 power switch XI5810D6870A AV baffle...
- Page 43 Assemble & Disassemble the Pedestal Base (Optional) If the stand is provided, please read these instructions thoroughly before attempting this installation. afety Precautions: 1.Please read these instructions thoroughly prior to attempting this installation. 2.Be sure to handle this product very carefully when attempting assembly. If you are unsure of your capability, or the use of tools necessary to complete this activity, refer to a professional installer or service personnel.
- Page 44 Assemble & Disassemble the Pedestal Base (Optional) Detaching the Stand 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 ≤...
- Page 46 July/2009...