创维机芯故障总线大汇总（A large summary of the failure bus of the chip）.docVIP

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创维机芯故障总线大汇总（A large summary of the failure bus of the chip）.doc

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创维机芯故障总线大汇总（A large summary of the failure bus of the chip）

创维机芯故障总线大汇总（A large summary of the failure bus of the chip） The main failure bus of the skyworth machine has been reprinted to the series of the next 2010-06-3022:553 series 4.7.1 color TV configuration list machine core 3T01, 3T20, 3T30, 3T30, 4T20, 4T20, 4T30, 4T36, 5T03, 5T10, 5T20, 5T21, 5T30, 5T30, 5T36, 6T18, 6T30 main iccpus: TMP87C38; Small signal processing: TB1238 or TB1240CPU + TV: TMPA8803, TMPA8807, TMPA8809 or TMPA8829 machine series 6000, 8000-2199, 8000-2199 - a, STV2140, 21 tr9000, 21 NFMK TMMS, 21, 8000 t series, 8000 series, 8000 series a and 25 f tm - 9000, 25 ti9000 i9000, 25, 29 t66aa, 29 sp - 9000, 2140, nk, 2528, 2582, 2599, 2522, mk, 2928, 2929, 2981, 25 ta series, the series of 25 nd, 25 nf series, 29 ta, 29 tf series, 25 t66aa, 29 tm9000, 29 s19000, 34 t68aa sp9000, 29 nl9000, 29 4.7.2 the bus adjustment method will close the volume to the minimum (00), press the VOL - button on the machine panel, and enter the S mode by pressing the screen key on the remote control. At this point, the S character appears in the upper right corner of the screen. Repeat the above steps into the D mode, where the D character appears in the upper right corner of the screen. Press channel + / - select project, change parameters according to volume + / - key, select debug project according to digital key. Press standby to exit D mode. key 4.7.3 bus fault phenomenon 1: normal when viewed, the line will appear when the blue screen appears. Maintenance tip: enter the maintenance state of S, then repeat the above operation to enter the factory D status to set up the project data for viewing. Change the data of VM1 to the normal value 00. Exit maintenance D mode, the blue screen return line disappears, troubleshooting. Glitch 2:8, 000-2199 color TV set, no picture silent, but character display. Maintenance tip: enter service s mode, and check the program data according to program + / - key to see if the data is normal; Re-enter D mode, check and adjust the data of t