panasonic TI EX768-78-88 Block Noise rev1 1 free download

File name TI_EX768-78-88_Block_Noise_rev1_1.pdf

Confidential - For Authorised Personnel Only Ref No: QA0002GM110908REV1.1 TECHNICAL INFORMATION A BY D EST H IS N PL SK UA Date 10/09/2008 AL CH DK F I L NL RO SLO FIN Country Reported B CZ E GB IRL LT P S TR UK Product Category: DVD Recorder Subject: Block noise appears when recording a Digital Channel received from Winter Hill - MUX2 Picture Breaks up Model(s) Affected:- DMR-EX768EB-K DMR-EX768EB-S DMR-EX78EB-K DMR-EX88EB-K Symptom Recording from digital tuner, block noise appears Cause: The problem is caused by noise picked up on the IIC data bus line. The block noise on the screen varies with the condition of the data bus line signals. Remedy The block noise can be remedied by changing both R7804 and R7805 to 10k ohm. (Current resistor is 470 ohm.) Part number: ERJ3GEYJ103 = 1 pc, (order 2pcs) Objective Serial Numbers The following models were changed from 2nd week of July/2008 VW8GA001001 and higher (model was produced on two DMR-EX768EB-K VQ8G7001501 and higher production lines at the same time) DMR-EX768EB-S VW8FA001305 and higher DMR-EX78EB-K VQ8GB001343 and higher DMR-EX88EB-K VQ8GB001301 and higher Schematic R7804/R7805 Location on PCB R7804/R7805 (470 to 10k) R7804 R7805 Warranty Claims - Please use the following IRIS and Activity codes Condition Code Symptom Code Section Code Defect Code Repair Code IRIS Codes: 1 34B TUN Y I Activity Guarantee Repair status Source SAP Activity Codes: R A W D Note: Failure to use the correct IRIS and Activity codes may result in the claim being rejected Panasonic 1 of 1 Document No: PUK-QA_TI Issue: 1.