Onkyo-TXSR804-avr-sm 电路图 维修手册.pdf

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1、TX-SR804/804E SERVICE MANUALSERVICE MANUAL Ref. No. 3950 102006 120V AC, 60Hz 230-240V AC, 50Hz 120/220-240V AC, 50/60Hz 220-230V AC, 50Hz TX-SR804 Black, Golden and Silver models B MDC, S MDC B MPA, S MPA G MWT G MGK, G MGR, G MGQ TX-SR804E Black and Silver models 230-240V AC, 50HzB MPP, S MPP AV R

2、ECEIVER MODEL TX-SR804E SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT O

3、R RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. MODEL TX-SR804 RC-620M THX 10 -/- 1112 REMOTE MODE HDDRECEIVER TAPE/AMP DVDCD ZONE2 SATTVVCRCABLE MDCDR STEREOSURR DIRECT SUBTITLEAUDIO ALLST PLA

4、Y MODE VIDEO OFF REPEAT RANDOMRECPLAYLIST OPEN/CLOSE Re-EQ + - T V CH T V VOL ENTER S E T U P T O P M E N U M E N U VOL + - CH DISPLAY PREV CH DIMMERSLEEP MUTING LISTENING MODE INPUT SELECTOR 32 MACRO 1 +100CLEAR 123 456 789 INPUTI ONSTANDBY T V CD V1V2V3 MULTI CHDVD TUNER PHONO DISC ALBUM V4 TAPE P

5、URE A TEST TONECH SELLEVELLEVEL L NIGHT R E T U R N RC-620M STANDBY/ON STANDBY MASTER VOLUME PHONO ZONE 2 DISPLAYPURE AUDIOTUNERTAPEVIDEO 4VIDEO 3VIDEO 2VIDEO 1DVDMULTI CHCD OFFON POWER PUSH TO OPEN TX-SR804 RadioFans.CN 收音机爱 好者资料库 TX-SR804/804E SERVICE PROCEDURE 1. Replacing the fuses This symbol l

6、ocated near the fuse indicates that the fuse used is show operating type, For continued protection against fire hazard, replace with same type fuse, For fuse rating, refer to the marking adjacent to the symbol. Ce symbole indique que le fusible utilise est e lent. Pour une protection permanente, nut

7、iliser que des fusibles de meme type. Ce demier est indique la qu le present symbol est apposre. 2. To initialize the unit This model uses a battery-less memory backup system in order to retain radio presets and other settings when its unplugged or in the case of a power failure. Although no batteri

8、es are required, the unit must be plugged into an AC outlet in order to charge the backup system. Once it has been charged, the unit will retain the settings for several weeks, although this depends on the environment and will be shorter in humid climates. 1. Press and hold down VIDEO 1 button, then

9、 press STANDBY/ON button when the unit is Power on. 2. After Clear is displayed, the preset memory and each mode stored in the memory are initialized and will return to the factory settings, and turn to Standby mode. 4. Memory Backup 3. Safety check out REF NO.PART NAMEDESCRIPTIONPART NO.REMARKS F90

10、1FUSE10A-UL/T-233252330GR!, F902FUSE6.3A-SE-EAK252079GR!, F951FUSE6.3A-SE-EAK252079GR! F952FUSE6.3A-SE-EAK252079GR! F6901FUSE12A-TUL-250V252301GR! F6902FUSE12A-TUL-250V252301GR! : TX-SR804 Korean model : TX-SR804 Hong kong model : TX-SR804 Chinese model : TX-SR804 Australian model : TX-SR804 World w

11、ide model : TX-SR804E European model : TX-SR804 Canadian model F901FUSE6.3A-SE-EAK252079GR!, F903FUSE2.5A-SE-EAK252075GR!, F903FUSE5A-UL/T-233252326GR!, F931FUSE1.6A-SE-EAK252073GR! F932FUSE1.6A-SE-EAK252073GR! (U.S.A. model only) After correcting the original service problem, perform the following

12、safety check before releasing the unit to the customer. . Leakage current Check Measure the leakage current to a known earth ground (water pipe or conduct etc.) by connecting a leakage current tester between the earth ground and exposed metal parts of the unit (input/output ground terminals, screw h

13、eads or metal overlays etc.). Plug the power supply cord directly into a 120Vac 60Hz wall socket and turn STANDBY button on. Any current measured must not exceed 0.5mA. RadioFans.CN 收音机爱 好者资料库 OPERATION CHECK-1 SPEAKER PROTECT-1 (DC VOLTAGE DETECTION) 1. Press and hold down CD button, then press STA

14、NDBY/ON button while the unit is Power ON. Test - _ is displayed only for 5 seconds. 2. Press VIDEO 3 button, while the characters of Test - _ are displayed. The unit will be in the state of Test-4-00 . 3. Repeatedly press TONE+ button until the characters of Test-4-21 are displayed. Procedure No lo

15、ad. No input signal. Test - _ Test - 4-00 When 1. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066). 2. Exchange amplifier PC board assy (NAAF-8678, NAAF-8682). Test - 4-21 Check whether the operation starts and continues automatically as follows. Test - 4-21 Test - 4-22 Test - 4-25 Test - 4

16、-23 Test - 4-24 Protect OK Protect OK Protect Protect OK Protect OK Protect OK Test - 4-35 Clear Turn off Front L ch Check If all channels are OK, the characters of Test - 4 - 35 are finally displayed. 4. Press STANDBY/ON button. Front R ch Check Center ch Check Surround L ch Check Surround R ch Che

17、ck Blinks Test - 4-26 Protect OK Surround Back L ch Check Test - 4-27 Protect OK Surround Back R ch Check TX-SR804/804E RadioFans.CN 收音机爱 好者资料库 TX-SR804/804E OPERATION CHECK-2 SPEAKER PROTECT-2 (CURRENT DETECTION) 1. Press and hold down CD button, then press STANDBY/ON button while the unit is Power

18、 ON. Test - _ is displayed only for 5 seconds. 2. Press VIDEO 3 button, while Test - _ is displayed. The unit will be in the state of Test-4-00 . 3. Repeatedly press TONE + button until Test-4-35 is displayed. 4. Connect a dummy load of 3 ohms to the Front L ch speaker terminals. At this time, confi

19、rm that the speaker relay is not turned off. 5. Connect a dummy load of 1 ohm to the Front L ch speaker terminals. At this time, confirm that the speaker relay is turned off and Protect will bev displayed. Disconnect the dummy load immediately after checking the display of Protect . 6. Check other c

20、hannels according to the same procedure as 4 and 5. Procedure No input signal. Do not check two or more channels at the same time. Do not connect a dummy load to speaker terminals longer than 2 seconds. Test - _ Test - 4-00 When 1. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066). 2. Exchan

21、ge amplifier PC board assy (NAAF-8678, NAAF-8682). Test - 4-35 Clear Turn off 7. Press STANDBY/ON button. Test - 4-35 Protect Test - 4-35 Blinks FL FR C SL SR SBL SBR TX-SR804/804E OPERATION CHECK-3 CONTROL OF POWER SUPPLY (SPEAKER OUTPUT SENSOR AND THERMAL DETECTOR) Test - _ Test - 4-00 Test - 4-36

22、 Clear Turn off Test - 4-36 FM STEREO Blinks Ver. 1.01/06920a T: 25 C/ 77 F Clear Turn off Output Sensor 1. Press and hold down CD button, then press STANDBY/ON button while the unit is Power ON. Test - _ will be displayed only for 5 seconds. 2. Press VIDEO 3 button while Test - _ is displayed. The

23、unit will be in the state of Test-4-00 . 3. Repeatedly press TONE+ button until Test-4-36 is displayed. 4. At this time, confirm that the red characters of FM STEREO is displayed. And, confirm that the relays (RL6901 and RL6902) are turned off in 2 or 3 seconds. (FL+FR+C+SL check) 6. Press STANDBY/O

24、N button. Procedure No output. No input. When 1. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066). 2. Exchange power amplifier PC board assy (NAAF-8678, NAAF-8682). 3. Exchange thermal sensor PC board assy (NAETC-8680). Thermal Detector 1. Press and hold down DISPLAY button, then press STAN

25、DBY button when the unit is power ON. The main microprocessor version will be displayed only for 3 seconds. 2. Press TONE button while the version is displayed, then the temperature will be displayed. 3. Confirm that the displayed temperature is within +/-20 C from the ambient temperatures. 4. Press

26、 STANDBY/ON button. Test - 4-37 5. Press TONE+ button and confirm that the red characters of FM STEREO is displayed and the relays (RL6901 and RL6902) are turned off in 2 or 3 seconds as well as 4. (C+SR+SBL+SBR check) FM STEREO TX-SR804/804E OPERATION CHECK-4 CONTROL OF COOLING FAN Procedure When 1

27、. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066). 2. Exchange power amplifier PC board assy (NAAF-8678, NAAF-8682). 3. Exchange thermal sensor PC board assy (NAETC-8680). 1. Confirm that the cooling fan doses not rotate at no audio input signals. Test - _ Test - 4-00 Test - 4-36 Clear Tur

28、n off Blinks 2. Press and hold down CD button, then press STANDBY/ON button while the unit is Power ON. Test - _ will be displayed. 3. Press VIDEO 3 button while Test - _ is displayed. The unit will be in the state of Test-4-00 . 4. Repeatedly press TONE+ button until Test-4-36 is displayed. Then co

29、nfirm that the 7. Press the STANDBY/ON button. Test - 4-37 5. Press TONE+ button and confirm that the cooling fan rotates in low speed. cooling fan rotates in low speed. Test - 4-39 6. Press TONE+ button two times and confirm that the cooling fan rotates in fast speed. 4. Exchange cooling fan. DEBUG

30、 MODE -1 TX-SR804/804E E6A48K017FF00 x0 How to Set in Debug Mode 1. Press and hold down DISPLAY button, then press STANDBY button while the unit is power ON. The version number of microprocessor is displayed only for 3 seconds. 2. Press DISPLAY button while the version is displayed, then the status

31、of DSP and DIR etc will be displayed. 3. To exit, press STANDBY/ON button. How to Check Versions of Main, DSP and Video(HDMI) Microprocessor 1. Press and hold down DISPLAY button, then press STANDBY/ON button when the unit is power ON. The main microprocessor version will be displayed on FL for 3 se

32、conds. 2. Press SETUP button while the version is displayed, then DSP Ver: will be displayed. 3. Press ENTER button while DSP Ver: is displayed, then DSP F/W Update will be displayed. 4. Again, press and hold down DISPLAY button, then press STANDBY/ON button in order to get DSP version. 5. Press SET

33、UP button a few times. The versions of DSP ROM - Video(HDMI) microprocessor - Main microprocessor will be displayed in turn. DSP Ver: DSP F/W Update 6. To check DSP version next time, the procedures of 2-4 are not necessary until the power cord is off. Ver.1.01/06920a HDM.Ver:06607A DSP Ver:05Y28A V

34、er.1.01/06920a Ver.1.01/06920a Refer to next page to see the information displayed for detail. TX-SR804/804E DEBUG MODE -2 14256871039 1UNLOCK E = UNLOCK _ = LOCK Digital Selector D = DIGITAL A = ANALOG 1 = Coax 1 2 = Coax 2 3 = Opt 1 4 = Opt 2 5 = Opt 3 7 = Front Opt Sampling Frequency 96 = 96kHz 4

35、8 = 48kHz 44 = 44.1kHz 32 = 32kHz - = Not Detected 2 4 5 - DIR - 3 - DSP - Content of Display 11 DIR STATUS 0 = ANALOG 1 = PCM 2 = NOT_PCM 3 = DATA 4 = DTS CD 5 = MCH 6 = NOT DECIDED PreEmphasis K = OFF e = ON - MEMORY / DOWNLOAD - AUTOBOOT DSP AB CODE 0 = FLASH 1 = AB_AC3_PL2 2 = AB_dts_PL2 3 = AB_

36、NEO6 4 = sgen_AB 5 = AB_PL2fs 6 = AB_dts_6dol 7 = AB_dts9624 8 = AAC AUTOBOOT DSP C CODE 0 = C_dts9624 1 = C_neo6 2 = C_OOS_no_sd 3 = C_OOS 4 = C_oob 5 = C_PL2 6 = C_PL2xTHX 7 = C_THX 8 = c_spsetup 9 = vers 67 00 = POWER OFF 01 = POWER ON WAIT 10 = DSP RESET 11 = DSP RESET WAIT 12 = DSP AB BOOT Read

37、y 13 = DSP AB BOOT start 14 = DSP AB BOOT 15 = DSP C BOOT Ready 16 = DSP C BOOT start 17 = DSP C BOOT 18 = DSP SOFT RESET 20 = DSP C APP_START 21 = DSP C HW CONFIG SET 22 = DSP C SW CONFIG SET 23 = DSP C SW CONFIG SET 24 = DSP C SW CONFIG SET 25 = DSP C SW CONFIG SET 26 = DSP C SW CONFIG SET 27 = DS

38、P C SW CONFIG SET 28 = DSP C SW CONFIG SET 29 = DSP C SW CONFIG SET 2A = DSP C SW CONFIG SET 3F = DSP C KICK START 40 = DSP AB APP_START FF = FREE 41 = DSP AB HW CONFIG SET 42 = DSP AB SW CONFIG SET 43 = DSP AB SW CONFIG SET 44 = DSP AB SW CONFIG SET 45 = DSP AB SW CONFIG SET 46 = DSP AB SW CONFIG S

39、ET 47 = DSP AB SW CONFIG SET 48 = DSP AB SW CONFIG SET 49 = DSP AB SW CONFIG SET 4A = DSP AB SW CONFIG SET 4B = DSP AB SW CONFIG SET 4F = DSP AB KICK START DSP Detect Format IEC61937 Format 00 = Null 08 = MPEG2 L1 01 = Dolby Digital 09 = MPEG2 L2/3 03 = Pause 0B = DTS1 20 = Silent 21 = DTS LD 22 = D

40、TS CD 23 = PCM 04 = MPEG1 L1 0C = DTS2 05 = MPEG1 L23 / MPEG2 w/o 0D = DTS3 06 = MPEG2 w/e 1B = MPEG2 AAC1 07 = MPEG2 AAC 1C = MPEG2 AAC2 DSP Decode O = Decode OK X = Decode NG - = ANALOG In 8 9 10 Mute Condition 0 = mute off 1 = mute during input selectors switching 2 = mute during parameters switc

41、hing 4 = DSP Mute 8 = DIR Mute 3 = 1 + 2 5 = 1 + 4 6 = 2 + 4 7 = 1 + 2 + 4 9 = 1 + 8 A = 2 + 8 B = 1 + 2 + 8 C = 4 + 8 D = 1 + 4 + 8 E = 2 + 4 + 8 F = 1 + 2 + 4 + 8 11 - Main Microprocessor - FL Display DSP Status NOT IEC61937 Format TX-SR804/804E DEBUG MODE -3 This debug mode will help in analysing

42、 digital audio no sound trouble. Check information on FL display and the related devices or circuits below. Trouble Cause Analysis by Debug Mode Symptom on DisplayCauseCheck E is displayedNo input signal to DIRRelated devices and circuits from digital input to Q361 Displayed freq. is different from

43、input signal freq. No input signal to DIRRelated devices and circuits from digital input to Q361 Displayed format is different from input signal format No input signal to DIRRelated devices and circuits from digital input to Q361 Displayed format is different from input signal format Input signal to

44、 DSP is no goodRelated devices and circuits from Q361 to Q201 x is displayedInterface between DSP and main micro processor is no good Related devices and circuits from Q701 to Q201 DSP outputs error to main micro processor, which outputs mute Q701, Q201, Q301 CDIN is the input data line for control

45、port interface in SPI mode. 2 3 4 51 5 52 6 7 8 9 22 AD0/CS10Address Bit 0 (I C)/Control Port Chip Select (SPI) (Input) - AD0 is a chip address pin in I C mode; CS is the chip select signal in SPI mode. INT11Interrupt (Output) - The CS42528 will generate an interrupt condition as per the Interrupt M

46、ask register. RST12Reset (Input) - The device enters a low power mode and all internal registers are reset to their default settings when low. AINR- AINR+ 13 14 Differential right Channel Analog Input (Input) - Signals are presented differentially to the delta-sigma modulators via the AINR+/- pins.

47、AINL- AINL+ 15 16 Differential right Channel Analog Input (Input) - Signals are presented differentially to the delta-sigma modulators via the AINR+/- pins. VQ17Quiescent Voltage (Output) - Filter connection for internal quiescent reference voltage. FILT+18Positive Voltage Reference (Output) - Posit

48、ive reference voltage for the internal sampling circuits. REFGND19Reference Ground (Input) - Ground reference for the internal sampling circuits. AOUTA1 +, - AOUTB1 +, - AOUTA2 +, - AOUTB2 +, - AOUTA3 +, - AOUTB3 +, - AOUTA4 +, - AOUTB4 +, - 36, 37 35, 34 32, 33 31, 30 28, 29 27, 26 22, 23 21, 20 Differential Analog Output (Output) - The full-scale differential analog output level is specified in the Analog Characteristics specification table. 2 2 VA VARX 24 41 Anal