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HOME AV NETWORK BUSINESS UNIT 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan

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Содержание AV-28BK5ECB

Страница 1: ... CENELEC Standard with S inputs Front AV terminals AV3 RCA Terminal Video and Audio L R Input Sound output watts Rated Power output 5 0 x 2 Picture tubes cm 66 measured diagonally Headphone jack Stereo mini jack 3 5 mm in diameter Speakers cm 5 x 9 oval x 2 Dimensions WxHxD mm 736 x 595 5 x 500 Weight kg 32 5 Accessories Remote control handset x 1 AAA R03 dry cell battery x 2 Specifications subjec...

Страница 2: ...azardous X RADIATION To avoid such hazards the high voltage must be maintained within specified limit Refer to this service manual high voltage adjustment for specific high voltage limit If high voltage exceeds specified limits take necessary corrective action Carefully follow the instructions for B1 volt power supply adjustment and high voltage adjustment to maintain the high voltage within the s...

Страница 3: ...1 70 100 98 6 IC7201 TC90A36FM SCAN CONVERTER Y U V HD VD FIELD MEMORY IC7202 MSM518221 FIELD MEMORY IC7203 MSM518221 6 8 9 11 14 16 17 19 2Y OUT 2U OUT 2V OUT IC241 TDA9178 IC351 TDA9330H MATRIX DEFLECTION 28 27 26 23 24 8 44 40 41 42 38 37 36 35 3 10 11 SDA SCL SCL SDA IC801 ST92R195 CPU R G B BLK OSD B G R BLK IC711 TDA6101 IC721 TDA6101 IC731 TDA6101 B VIDEO OUT G VIDEO OUT R VIDEO OUT 3 5 8 3...

Страница 4: ...K RGB OSD DISPLAY from CPU Picture Tube Video signal rooting SCART1 AV1 SCART2 AV2 SCART2 AV3 FRONT AV4 L R SC3 IN IC1201 MM1313 42 41 2 4 8 10 14 16 33 32 IC3501 MM1369 3D SURROUND PROCESSOR 3D SUPPER L SPEAKER R SPEAKER HEADPHONE JACK Q001 IC3451 TDA9875 Q3472 Q3471 L R 23 1 10 9 13 11 6 40 39 12 1 25 26 IC001 TDA7263M AUDIO AMP 8 3 10 1 5 MUTE 4 21 43 44 60 61 23 24 52 53 IC101 TDA9321 SCL SDA ...

Страница 5: ...0 21 23 24 Key SW Input 38 Power Failuer Detect Power ON OFF DIGITAL SCAN CONVERTER H Drive Q401 Q402 T401 Drive Trans Q411 H Output IC501 V Output LA78476N 5 6 3 V Drive V Drive 3 8 2 1 23 24 EW Out Q471 Q461 Vert Coil Horiz Coil Deflection Yoke T402 FlyBack Trans L461 L462 Pcc Control IC351 MATRIX DEFLECTION TDA9330H 2H Sync 2V Sync L421 C421 C422 System control Deflection circuit Fig 4 Fig 5 CH...

Страница 6: ... is sent to pin 85 of IC7201 TC90A36F field progressive converter after controlling the amplitude level and band pass limiting by the circuit consist of Q7301 Q7302 Q7303 Q7304 and 8MHz LPF The U V signal are also controlling the amplitude level and band pass limiting by the circuit consist of Q7311 Q7312 Q7313 Q7314 Q7321 Q7322 Q7323 Q7324 and 4MHz LPF respectively The U signal is sent to pin 90 ...

Страница 7: ... clock signal generated here is output from pin 3 of IC7205 and sent to pins 56 of IC7201 and IC7203 The Y U V signals are converted in progressive as the writing for 16MHz and reading for 32MHz The progressive V signal output from pins 10 to 13 and 15 to 18 of IC7202 is supplied to pins 9 to 16 Also the progressive U V signals output from pins 10 to 13 and 15 to 18 of IC7203 are supplied to pins ...

Страница 8: ... Y1 R Y2 B Y3 R Y4 Write Time divided multiplex Y0 Y1 Y2 Y3 Y4 R Y0 B Y1 R Y2 B Y3 R Y4 Y5 Y6 Y7 Y8 Y9 B Y5 R Y6 B Y7 R Y8 R Y0 B Y1 R Y2 B Y3 R Y4 R Y4 B Y5 R Y6 B Y7 R Y8 R Y0 B Y1 B Y3 R Y2 B Y7 R Y6 B Y9 R Y8 B Y5 B Y9 1H 2048 sampling 2048 sampling Double Scan Converting sampling clock 32MHz 2048 1 horiz Read out in double clock a Write b Read c Fig 8 CHASSIS DESCRIPTION ...

Страница 9: ...er D100 D7381 D651 D652 D1200 D856 D857 POWER ON OFF ON HI POWER ON D459 1 9 10 2 4 D491 Video Out Q411 Q853 Q851 Q852 2 3 1 8V Reg 18 17 16 15 14 13 11 10 3 2 8 5 T611 CPU IC801 43 28 29 H OUTPUT 130V Reg 35V 130V 15V IC652 12V 12V Reg IC100 5V IC3450 5V IC7381 5V 9V 15V Power Supply Lines Power Failuer Detection Lines 12V Reg IC681 IC1201 9V Reg D456 D457 D458 7 9V High Voltage Detection Power F...

Страница 10: ...10 No 51758 AV 28BK5ECB AV 28BK5ECS CABINET BACK DISASSEMBLY 1 Remove 8 screws A and 2 screws B 2 Pull out the cabinet back A A A A B DISASSEMBLY ...

Страница 11: ...ING PROCEDURE 1 Enter the option setting mode Press and hold the button on the remote control handset and then press the P button on the TV set Following option setting window will appear on the screen 2 Use the P or P button to highlight the desired function item from the menu and to select the mode by pressing the or button 3 To return to the normal TV mode press the button When setting the maxi...

Страница 12: ... On timer available default ON SORT MODE ATS EURO PLUS Tuning mode default ATS EURO PLUS or AUTO TUNE or AUTO TUNE SORT PLUG PLAY ON or OFF Plug Play mode default ON WELCOME TEXT ON or OFF Display message when first set up default ON CODE TEST OFF or ON For factory use default OFF WSS OFF or ON Wide Screen Signaling available default OFF Y SEP OFF or ON Y Separation function available default OFF ...

Страница 13: ...e or button The data which is set in the service mode is stored into the memory IC automatically REGULAR SHAPE FEATURE OTHERS TDA9320 TDA9330 TDA9178 TC90A36 ADJUST OK SELECT EXIT DISPLAY Ver 1 0 i Note Some items of the service adjustments for this chassis are controlled by the CPU IC801 and the adjustments are carried out by using the RC handset IMPORTANT NOTICE Do not attempt to adjust service ...

Страница 14: ...OK button and then press the P button on the front control panel and then turn the Mains switch Off and On Now the initialization is completed When initialized the memory IC all of the setting data feature setting data option data and service adjustment data stored in the IC are reset to the default value So it is necessary to set the feature setting option setting and readjust the service adjustm...

Страница 15: ...TMENT 1 Select AV1 mode and no signal input 2 Enter to the service mode and select mode REGULAR item REGULAR 4SCR 3 Check that mode is switched to AV and no signal inputs 4 Turn the SCREEN VR to set data value to be 11 GREY SCALE ADJUSTMENT 5 Enter to the service mode and select mode REGULAR item REGULAR 5GRY 6 Adjust R Drive and B Drive control to obtain proper white balance by using or button a ...

Страница 16: ...ce mode and select mode SHAPE item SHAPE 3 EWW 3 Press the or button to adjust the horizontal width 1 Receive circle or cross hatch pattern 2 Enter to the service mode and select mode SHAPE item SHAPE 4 EWP 3 Press the or button to adjust the vertical line to be straight 1 Receive circle or cross hatch pattern 2 Connect digital volt meter to both terminals of R442 and high voltage meter to CRT ano...

Страница 17: ...1101 K1121 T681 SW1903 SW1904 SW1902 SW1901 A1901 IC651H IC651 IC001 Q613 T611 Q461 KB SCAN CONVERTER KK HOP SHARPNESS IC501 D413 D412 Q411 T401 KJ KA R442 POWER DEF BOARD F601 FUSE SW601 AUDIO OUT SWITCHING POWER T402 FLYBACK TRANS H OUT V OUT CONVERTER TRANSFORMER ...

Страница 18: ...IONS TPAGC TPVIDEO T131 IC3451 IC3501 IC3601 T132 IC1211 IC101 IC301 IC891 IC802 IC801 IC871 VR221 K12A K1F K2B K1G K2A K1P K1N K1M TU SIGNAL BOARD TUNER A101 VR7351 IC7202 IC7203 IC7201 K73B K73A IC7341 SCAN CONV BOARD IC241 K2K IC351 K2J K2D HOP BOARD ...

Страница 19: ...emote Control Signal Input IN 26 SERVICE IN Service Switch Input On L IN 27 SERVICE ACK External Bus Switch Output ACK L OUT 28 PROTECT Power Failure Detection Input L Failure IN 29 Hold Down Hold Down High Voltage Detection Input L Hold Down On IN 30 50 60 50 60Hz Switch Output 50 H 60 L OUT 31 MUTE Sound Mute Output On H OUT 32 SUPER 3D Super 3D Switch Output On L OUT 33 Phone Mute Phone Mute OU...

Страница 20: ...AT4 Data bus 4 IN 65 DAT5 Data bus 5 IN 66 DAT6 Data bus 6 IN 67 DAT7 Data bus 7 IN 68 DAT2 Data bus 2 IN 69 DAT1 Data bus 1 IN 70 DAT0 Data bus 0 IN 71 ADDR0 Address bus 0 OUT 72 ADDR1 Address bus 1 OUT 73 ADDR2 Address bus 2 OUT 74 ADDR3 Address bus 3 OUT 75 ADDR4 Address bus 4 OUT 76 ADDR5 Address bus 5 OUT 77 ADDR6 Address bus 6 OUT 78 ADDR7 Address bus 7 OUT 79 ADDR12 Address bus 12 OUT 80 AD...

Страница 21: ...263M Audio Output GND 6 4 5 8 OUT R OUT L RF1 RF2 RF3 RF4 RF1 27K CF COUPL IN R IN R SUPPLY VOLTAGE TURN ON AND OFF MUTE REFERENCES IN L IN L L Tj TH PROTECTION SC PROTECTION RF1 27K CF COUPL 9 3 1 2 R 10 TDA7263M IC101 TDA9321H IIC bus controlled TV input processor ...

Страница 22: ...22 No 51758 AV 28BK5ECB AV 28BK5ECS IC241 TDA9178T YUV Picture Improvement IC351 TDA9330H IIC bus controlled TV display processor IC BLOCK DIAGRAMS ...

Страница 23: ...No 51758 23 AV 28BK5ECB AV 28BK5ECS IC801 ST92R195 CPU IC711 IC721 IC731 TDA6101Q Video Output IC BLOCK DIAGRAMS ...

Страница 24: ...24 No 51758 AV 28BK5ECB AV 28BK5ECS IC1211 MM1313BD AV Selector IC3451 TDA9870A Digital TV Sound Processor IC BLOCK DIAGRAMS ...

Страница 25: ... STEREO SIMULATED STEREO VIRTUAL AUDIO QXPANDER PROCESSOR gm 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 Vcc Lin Gl1 Gl2 Gl3 Gl4 Fc Qf1 Qf2 Qf3 Qf4 Lout Rin Gr1 Gr2 Gr3 Gr4 M g Ref SPC Qi S Q Rout Gnd MM1369AD IC7201 TC90A36F Digital Scan Converter IC BLOCK DIAGRAMS ...

Страница 26: ...26 No 51758 AV 28BK5ECB AV 28BK5ECS IC7202 IC7203 MSM518221A Field Memory IC7204 IC7205 TLC2932 PLL IC BLOCK DIAGRAMS ...

Страница 27: ...HOME AV NETWORK BUSINESS UNIT 1106 Heta Iwai city Ibaraki prefecture 306 0698 Japan 0010 ...

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