Marantz-SR8200-avr-sb1 维修电路原理图.pdf

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1、Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)Date:15-May-2003Model SR9200/SR8200Page:1/1REF.NBR:MZ03-010Circulation:Application:Subject:Int.ref: PHENOMENON1. Sound cut a little at the beginning of the track with digital connection and with CD or DVD playback

2、. It will happenwith first playback and after track skip.2. Volume level will decrease a little when changed from Digital input (as CD input) to Analog input (as Tape input) ,and vice versa.It happens only the Bass/Treble control is set to other than default “0” setting.SOLUTIONUpdate the firmware f

3、or CPU and DSP.Firmware for CPU : SR9200UP_NEW_DSP_030124Firmware for DSP : SR9200UP_NEW_H8_0130_1(Unzip the file distributed before update.)Please refer to the SR9200/SR8200 Service manual page 87 “9.UPDATE FIRMWARE” about details of updating thefirmware.REMARKSAfter update the unit, following surr

4、ound mode will be changed. (Caused by new DSP firmware.)So, please explain to your customer this change.* SR92001. THX Ultra mode = THX Ultra2 mode2. SRS CS = SRS CS II* SR82001. SRS CS = SRS CS IIThis countermeasure only applies to this claim.SERVICE BULLETINSound cut a little at the beginning of t

5、he trackVolume level will decrease when changed Digital andAnalog inputx for informationcustomer complaintin case of servicemandatory.ALLRadioFans.CN 收音机爱 好者资料库Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)Date:15-May-2003Model SR8200,SR9200Page:1/1REF.NBR:MZ

6、02-040Circulation:Application:Subject:Int.ref: PHENOMENONWhen Push the power switch On/Off, VOL Level and Tune preset memory arent Back up.The leakage current of the condenser occurs at low temperature, and it isnt suitable for the timing in Power off.SOLUTIONReplace C801(0.01uF) to 0.0047uF (Parts

7、No. DK17472910) on the P824 POWER SW CIRCUIT BOARD.REMARKS This improvement has been done in the production after the Lot number below. SR8200 Lot number “ 08 “ and after. SR9200 Lot number “ 09 “ and after. The Lot number is mentioned the serial number label on the rear panel. (ex.MZxxxxxx08xxxx)SE

8、RVICE BULLETIN VOL Level and Tune preset memory arent Back up.x for informationcustomer complaintin case of servicemandatory.BeforeRadioFans.CN 收音机爱 好者资料库Approved by S.NAGAO Written by WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)Date:22-Apr.-2004Model: SR8200, SR9200Page:1 / 1REF.NBR:MZ04-03

9、4Circulation:Application:Subject:Int.ref:PHENOMENON 1. By SETUP MENU, Set the Speaker level of SURROUND to +1dB or more. Then, escaping from MENU. 2. The Sound level is set to negative infinity from other than negative infinity by VOL Knob 3. Press the POWER switch to turn off and turn on, 4. “Clear

10、 memory” is displayed and SETUP sometimes returns to initial setting.SOLUTION 1) Update the CPUs software version to V0404051 2) Update the DSPs software. Please refer to the service manual page97 to 98 about details of “ 9.UPDATE FIRMWARE ”. First of all, please check the CPU(QU01) version. It can

11、be confirmed on the Service Manual page 95 “SERVICE PROGRAM”, NECESSARY PARTUpdate of the firmware disc *SR9200CD3 (CPU: SR9200UPG_CPU_V0404051) (DSP: SR9200UPG_DSP_030124)REMARKSThe countermeasure applies to this claim only.After update the unit, following surround modewill be changed. (Caused by n

12、ew DSP firmware.)So, please explain to your customer this change.* SR92001. THX Ultra mode = THX Ultra2 mode2. SRS CS = SRS CS II* SR82001. SRS CS = SRS CS IISERVICE BULLETIN After specific operation, SETUP sometimes returns to initial setting.x for information customercomplaint in case of servicema

13、ndatory.ALLV040405 1File name of *SR9200CD3Approved by S.NAGAO Written by WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)Date:15-May.-2003Model: SR8200,SR9200Page:1 / 1REF.NBR:MZ02-030Circulation:Application:Subject:Int.ref:PHENOMENONWhen Playback DVD of USA edition, the sound of Dolby Digital

14、is interrupted.Specially, it occurs in Pearl Harbor, Jurassic Park 3, Beast Monster and Stuntman DVD.SOLUTIONThe version of the Dolby encorder was changed to cope with Dolby EX.Update the firmware of the CPU(QU01) and DSP(Q671) to the following version or the latest version.1. The version of the CPU

15、(QU01): 011225 012. The version of the DSP(Q671) : CD 07 01030102: CD 03 01010302Refer to 97 and 98 pages for the procedure of update firmware.NECESSARY PARTFirmware update Disc *SR9200CDRREMARKSThis improvement has been done in the production line afterthe Lot number MZxxxxxx06xxxx and later.(SR920

16、0/U1B/S1G)the Lot number MZxxxxxx04xxxx and later.(SR8200/U1B/S1G) The Lot number is mentioned the serial number label on the rear panel. (ex.MZxxxxxx06xxxx)SERVICE BULLETINThe problem that the sound of Dolby Digital isInterrupted.x for information customercomplaint in case of servicemandatory. See Below