Onkyo-TXDS898-avr-sm 电路图 维修手册.pdf

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1、TX-DS898 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 OR RESISTANCE ME

2、ASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. SERVICE MANUALSERVICE MANUAL AV RECEIVER Black, Golden and Silver models MODEL TX-DS898 092001 BMDD BMPP,SMPP,BMPA,GMPA BMWT,GMWT,GMWR GMGT 120V AC, 60Hz 230-24

3、0V AC, 50Hz 120/220-230V AC, 50/60Hz 220V AC, 50Hz STANDBY/ON OFFON POWER STANDBY MASTER VOLUME FMAMPHONOC DTAPEDVDVIDEO 3VIDEO 5VIDEO 4VIDEO 2VIDEO 1 ZONE 2()GRN REC()RED AUDIO SELECTORDISPL AY PURE AUDIOUPSAMPLING TX-DS898 PUSH TO OPEN RadioFans.CN 收音机爱 好者资料库 TX-DS898 BLOCK DIAGRAM A 1 2 3 4 5 BCD

4、EFGH S U R R O U N D S P E A K E R S L E F T R I G H T S U R R O U N D B A C K S P E A K E R S / Z O N E 2 S P E A K E R S R I G H T / B A C K L E F T D C 2 4 V 4 A I N M U L T I C H A N N E L I N P U T LRCS WS LS RS B LS B R 1 48 7 1 D 4 V I D E O O U T P U T 1 48 7 1 D 4 V I D E O I N P U T 2 1 48

5、 7 1 D 4 V I D E O I N P U T 1 F R O N T S P E A K E R S R I G H T L E F T C E N T E R C O M P R E C / Z 2 C O M P I N P C R E C / Z 2 C I N P Y R E C / Z 2 R I G H T R E C / Z 2 A C O U T L E T F U S E F U S E R S 2 3 2 YC V I D E O 1 YC S - V I D E O O U T P U T M O N I T O R YC V I D E O 2 YC V I

6、 D E O 5 ( F R O N T ) YC S - V I D E O I N P U T D V D YC V I D E O 1 YC V I D E O 2 YC V I D E O 3 YC V I D E O 4 R I G H T P R E O U T L E F T S U R R O U N D L E F T S U R R O U N D R I G H T S U R R O U N D B A C K / Z O N E 2 L E F T S U R R O U N D B A C K / Z O N E 2 R I G H T C E N T E R S

7、U B W O O F E R C O O L I N G F A N I R D E - M O D U L A T O R M U T E M U T E I R 5 6 K R E - M O D U L A T O R 1 2 V T R I G G E R C O N T R O L I R D E - M O D U L A T O R 1 2 V T R I G G E R + B 3 R E L A Y + B 2 R E L A Y D R I V E R F L A C F L T U B E F L A C M A I N A M P + B 1 / - B 1 - 2

8、7 V - V P - 1 5 V A U D I O - 5 V V I D E O + 5 V V I D E O + 5 V D S P + 1 5 V A U D I O I S D E T R E L A Y D R I V E R V O L T A G E S E N S O R C U R R E N T S E N S O R T H E R M A L S E N S O R F A N D R I V E R R I I N T E R F A C E + 5 . 6 V S T A N D B Y Z O N E 2 L I N E O U T L R L V I D

9、E O 2 R V I D E O 5 L R ( F R O N T ) 2 4 . 5 7 6 M H Z R E C O U T L T A P E R L V I D E O 1 R C O M P O S I T E V I D E O O U T M O N I T O R V I D E O 1 V I D E O 2 Z O N E 2 V I D E O 3 L R V I D E O 4 L R V I D E O 1 L R V I D E O 2 L R T A P E L R D V D L R A U D I O I N P U T P H O N O L R C

10、D L R C O A X I A L 1 C O A X I A L 2 C O A X I A L 3 C O M P O N E N T V I D E O O U I T P U T Y C B C R C O M P O N E N T V I D E O 1 Y C B C R I N P U T 2 Y C B C R V I D E O 3 V I D E O 4 V I D E O 5 ( F R O N T ) C O M P O S I T E V I D E O I N P U T D V D V I D E O 1 V I D E O 2 H E A D P H O

11、N E R E M O T E S E N S O R I R O U T 1 4 0 K I R O U T 5 6 K I R O U T I R O U T 2 4 0 K I R I N R I T 9 0 2 T 9 0 1 A C I N T O N E N J U 7 3 0 6 G N J U 7 3 0 6 G O P T I C A L 1 D I G I T A L A U D I O O U T P U T O P T I C A L 2 O P T I C A L 4 O P T I C A L 3 O P T I C A L 1 O P T I C A L 2 D

12、I G I T A L A U D I O I N P U T O P T I C A L V I D E O 5 ( F R O N T ) S U B M P U C S 4 9 3 0 0 2 P O S T P R O C E S S I N G ( T H X C I N E M A ) ( T H X S U R R O U N D E X ) C S 4 9 3 0 0 2 D E C O D I N G ( A C - 3 , D T S , A A C ) ( D T S - E S ) ( P L I I , N E O : 6 ) M A I N M P U - 1 -

13、1 Z O N E D Z O N E C Z O N E B Z O N E A A - B U S B U 1 9 2 3 R D S D E C O D E R T C 9 2 4 6 F 2 N D P L L F M / A M T U N E R P A C K M P D 4 4 1 0 0 0 S R A M 1 M M I N . M P D 4 4 1 0 0 0 S R A M 1 M M I N . M B M 2 9 L V 0 0 2 F L A S H R O M 2 M M I N . M B M 2 9 L V 0 0 2 F L A S H R O M 2

14、M M I N . L E D D R I V E R M 6 6 0 0 4 F P F L D R I V E RO S D L C 7 4 7 6 1 - 9 1 8 9 A K 4 3 5 6 1 9 2 / 2 4 D / A A K 4 5 2 8 9 6 / 2 4 D / A ( 2 / 2 ) A K 4 5 2 8 9 6 / 2 4 A / D ( 1 / 2 ) A K 4 1 1 4 D I R M P D 4 7 2 1 G S R S 2 3 2 I N T E R F A C E 5 0 K L P F 5 0 K L P F 5 0 K L P F 5 0 K

15、 L P F 5 0 K L P F 5 0 K L P F 5 0 K L P F 5 0 K L P F T C 9 4 A 0 7 F T C 9 4 A 0 7 F T C 9 4 A 0 7 F M A S T E R V O L U M E T C 9 4 A 0 7 F C U T B O O S T T C 9 4 8 2 F M C L B L T L D L B R T R M C R D R Z 2 R Z 2 L D S B L M C S R M C S B L D S W M C S W D C M C C D S B R M C S B R D S R D S L

16、 M C S L B P L S S W - R B P L S S W - L B Y P A S S B Y P A S S C - L S L - L C - R S R - R B Y P A S S B Y P A S S T V - 5 P O W E R S W T V - 8 Z O N E 2 R X 0 R X 1 H P E N R X 2 R X 3 T X 0 R X 4 R X 5 D A U X R X 6 R X 7 B P L S J a p a n m o d e l o n l y D T R - 8 . 2 / 7 . 2 o n l y - 6 d B

17、 - 6 d B Z o n e 2 L E D R e c O u t L E D E x c e p t f o r M D D T C 9 2 7 4 N - 0 0 8 T C 9 2 7 3 F - 0 1 7 J a p a n m o d e l o n l y E u r o p e a n m o d e l o n l y 1 5 d B / 3 0 d B T C 9 1 6 3 T C 9 1 6 4 T C 9 2 7 3 N - 0 0 4 + 2 9 d B P o w e r A m p l i f i e r + 2 9 d B 1 1 d B 1 1 d B

18、 R N 1 2 4 1 x 2 2 P A L N T S C S E P S E P Y - C Y - C M I X Y - C R N 1 2 4 1 x 6 F L T V o l u m e C o n t r o l K e y M a t r i x0 d B 6 d B 6 d B + 2 9 d B + 2 9 d B + 2 9 d B + 2 9 d B + 2 9 d B 6 d B 6 d B 6 d B 6 d B 7 4 H C 4 0 5 1 x 6 M U T E M U T E M U T E M U T E M U T E M U T E M U T

19、E M U T E M U T E M U T E M U T E M U T E M U T E M U T E RadioFans.CN 收音机爱 好者资料库 TX-DS898 ADJUSTMENT AND CONFIRMATION PROCEDURES Idling current adjustment Before Idling adjustment, turn the trimming resistors R6040 to R6046 to counter clockwise. Connect the DC voltmeter to sockets P6080 to P6086. A

20、fter turn POWER to ON, adjust the trimming resistors R6040, R6041 and R6042 so that the reading of voltmeter becomes 7.0 mV. (Front and center channels) Adjust the trimming resistors R6043, R6044, R6045 and R6046 so that the reading of After adjustment, attach the top cover. voltmeter becomes 5.0 mV

21、. (Surround and surround back channels) Confirm the voltage of points above after about five minutes. Front and center channels When less than 9.0 mV, readjust the resistors above so that the voltage becomes 9.0 mV. When 9.0 mV to 11.0 mV, you are not necessary to adjust. When more than 11.0 mV, rea

22、djust the resistors above so that the voltage becomes 11.0 mV. Surround and surround back channels When less than 6.0 mV, readjust the resistors above so that the voltage becomes 6.0 mV. When 6.0 mV to 8.0 mV, you are not necessary to adjust. When more than 8.0 mV, readjust the resistors above so th

23、at the voltage becomes 8.0 mV. Note: No load and No signal L ch. P6080R6042P6082R6041P6081 R6043R6044R6045R6046P6083P6084P6085P6086 R ch.C ch. SR ch.SL ch.SBL ch.SBR ch. NAAF-7250 R6040 +ID -ID +ID -ID +ID -ID +ID -ID +ID -ID +ID -ID +ID -ID Confirmation of protection circuit 1. Confirmation of oper

24、ation of speaker relay Confirm that the speaker relays turn ON approximate. 5 seconds after the power switch is turned ON. Confirm that the speaker relays turn OFF immediately after the power switch is turned OFF. 2. Confirmation of DC detection circuit Press and hold down CD button, then press STAN

25、DBY/ON and DISPLAY buttons to set the unit to TEST-1 mode. After TEST-1 on the FL tube light on, press VIDEO 1 button to set the unit to TEST-1-00. Apply DC 1.5 to 3V to MULTI CHANNEL INPUT terminal with no load. Confirm that the speaker relay turns OFF. Apply DC -1.5 to -3V to MULTI CHANNEL INPUT t

26、erminal with no load. Confirm that the speaker relay turns OFF. Caution: Dont apply DC voltage more than 1 sec. A 1 2 3 4 5 BCDEFGH RadioFans.CN 收音机爱 好者资料库 TX-DS898 ADJUSTMENT AND CONFIRMATION PROCEDURES 3. Confirmation of Current detection circuit Set the unit to TEST-1-00. Connect the differentiat

27、ing circuit and apply the 200Hz square signal to MULTI CHANNEL INPUT terminal. of each channel. Adjust the attenuator or Volume so that the output level becomes 35V p-p. Confirm that the speaker relay does not turn OFF when a 3.0 ohm load is connected. Confirm that the speaker relay turns OFF when a

28、 1.5 ohm load is connected. CR OSCILLATOR DIFFEREN- TIATING CIRCUIT ATTENU- ATOR UNIT SPEAKER TERMINAL MULTI CHANNEL INPUT INPUT OUT- PUT 3.3k 10k 1SS1333.3k GND 0.01F 0.1F OSCILLO- SCOPE Differentiating Circuit 200Hz SQUARE 35Vp-p Confirmation of fan Set the unit to TEST-1-00. Apply the 1kHz -30dBV

29、 signal to the left channel of MULTI-CH terminal with no load. Confirm that the fan rotates slow speed after few seconds. Connect the 1.2 kohm/1W resistor between terminals COM and TH-1 of P6401 with no input signal. Confirm that the fan rotates slow speed after few seconds. Next apply the 1kHz -30d

30、BV signal to the left channel of MULTI-CH terminal with no load. Confirm that the fan rotates high speed after few seconds. Connect the 1.2 kohm/1W resistors between terminals COM-TH-1 and COM-TH-2 of P6401 respectively with no input signal. Confirm that the fan rotates high speed after few seconds.

31、 P6931 P7701B P9503A JL6933A P6401 COM TH1 TH2 NAETC-7238 TX-DS898 ADJUSTMENT AND CONFIRMATION PROCEDURES 3 Test Mode 1. Turn POWER button on. 2. Press and hold down CD button, then press DISPLAY and STANDBY/ON buttons. 3. After TEST-1 on the FL tube is displayed, press CD button to set the unit to

32、the test mode of FL tube. Note: VIDEO 1:TEST-1 VIDEO 2 :TEST-2 ZONE2: UP VIDEO 3 :TEST-3 VIDEO 4:TEST-4 REC OUT: DOWN Test-X YZ Item FL TUBE The segments of even number light on . All segments light on. FEDCBA987654321 light on. AA BB CC DD EE light on. Test mode of FL tube REC OUTZONE 2 Press POWER

33、 button to finish the test mode of FL tube. AA:Model 89:TX-DS898 79:TX-DS797 BB:Video Mode NS: NTSC PL: PAL AUTO CC:12V TRIGGER TR: Available :No available DD:RDS RD: Available :No available The segments of odd number light on . Confirmation of voltage sensor 1. Set the unit to TEST-3-4. 2. Apply th

34、e signal 1kHz, -15dBV to the MULTI-CH input. Confirm that the FM STEREO is displayed. Confirm the all channels except SUBWOFFER. 3. When connect the resistor 1.2 kohm/1 W between the terminals COM and TH1 of P6401, confirm that MEMORY light on. Note: No input signal. 4.When change set the unit to TE

35、ST-4-39,confirm that the speaker relays of RL6901 and RL6902 turn off. Note: No input signal. EE:Tuner band EU:Europe US: USA SA:Worldwide JP:Japan TX-DS898 WIRING VIEW 2 JL6933B P2506BP3220B P2508 P2510 P2509 JL6933A P3220A P3210B P3211B P6830BP6832B P2901B JL931A P7701B P6931 P9503A P6401 P5004AP5

36、004BP5004CP5004D P5003A P5003B P5003C P6101 P6013P6014P6015P6016P6003P6004P6005P6006 P6010P6011P6012P6000P6001P6002 P6810A P6810BP6810C P6008 P6812AP6812BP6812CP6812D P6952 P6931A P6009 P5210AP5202A P5100AP5101A P6082P6081P6080 P6083P6084P6085P6086 P6013A P6014A P6015A P6016A P6003A P6004A P6005A P6

37、006A P6010A P6011A P6012A P6000A P6001A P6002A P6952A P9505A P6951 JL6953B P9501 JL6953A JL9504A P9502A P9503 P6812E P6008B P6832 P6008AP6810D P6830 P917 P918 P916 P915 P901A P911 JL931B P917A P918A P901B P916AP915A JL9504B P5003EP5004E P6101A T901 FAN NAETC-7258 Thermal detector circuit PC board NA

38、AR-7267 Connector PC board NAPS-7252 Power supply circuit PC board NAETC-7237 Speaker terminal SR/SB pc board NAAF-7250,Power amplifier driver PC board NAETC-7238 Fan drive circuit PC board NAETC-7239 Thermal detector circuit PC board NAETC-7272 RI terminal PC board NAETC-7236 Speaker terminal F/C p

39、c board NAETC-7242 AC inlet terminal PC board NAPS-7233 Primary circuit PC board NASW-7235 Power switch PC board NAAF-7232 F/C driver circuit PC board NAAF-7262 NAAF-7264 Video terminal PC board NAAF-7251 Power amplifier driver PC board NAETC-7278 Front video PC board NAVD-7269 S video circuit PC bo

40、ard Preamplifier circuit PC board Rectifier circuit PC board NAPS-7234 U39 U7 U21 U47 U23 U8 U29 U35 U22 U16 U10 U12 U13 U9 U11 U37 U33 U6 U31 120V model only Except 120V model P33 P33 P33 P34 P34 P42 P33 P29,P30 P41,P42 P33 P34 P34 P26 P21,P22 P17 P10 P38 P25 A 1 2 3 4 5 BCDEFGH TX-DS898 WIRING VIE

41、W 1 A 1 2 3 4 5 BCDEFGH U1 U47 U31 U23 U21 U38 U48 U36 U37 U45 U33 U12 U39 U32 U44 U35 U46 U51 P6101A P4610C P4610B JL6933A P7559A P7201A P7482A P7201B P7559B P7482B P3010B P3011B P1010A P3220A P3210B P3211B P2007B P2005B P2006B P2507B P2505B P2506A P2705B P2704B P6830BP6832B P2901B JL931A P4020BP40

42、10BP4011B P4012A P5004E P5003E P7704B P7705B P7703B P7701A P102A P811B P7702 P2901A P2805A P2705A P2006A P2005A P2905A P2505A P3010A P3011A P7704A P7705A P7703A P811A P3210A P3211A P4020A P4010A P4011A P4012A P9502 P2906 P7701B P6931 P9503A P6401 P102B P5004A P5004B P5004C P5004D P5003A P5003B P5003

43、C P6101 Front end CN1 NAAF-7262 Preamplifier circuit PC board P21,P22 NADG-7226 Main circuit PC board NAETC-7279 Front video 2 PC board NAPS-7252 Power supply circuit PC board NAAF-7250 Power amplifier driver PC board NAETC-7238 Fan drive circuit PC board NASW-7276 Volume PC board NADIS-7275 Display

44、 circuit PC board P9,P10 NAETC-7277 Headphone terminal PC board NAVD-7270 Component video terminal PC board NAETC-7278 Front video PC board NAVD-7269 S video circuit PC board NAVD-7268 Composite video circuit PC board NAAF-7263 Audio terminal PC board NAAF-7264 Video terminal PC board NAETC-7272 RI

45、terminal PC board NAAR-7267 Connector PC board P9 P10 P13,P14 P18 P17 P41 P42 P38 P38 P41 P37 P29,P30 P33 P34 P10 TX-DS898 SCHEMATIC DIAGRAM 1 Display section A 1 2 3 4 5 BCDEFGH P 2 5 1 0 YC P 2 5 0 8 R 2 5 7 47 5 R 2 5 7 57 5 R 2 5 7 3 7 5 R 2 5 7 2 3 3 0 R 2 5 7 1 3 3 0 P 7 2 0 1 A( P A R T - 1 0

46、 )T O N A A R - 7 2 6 7 P 3 2 2 0 B P 7 5 5 9 B P 7 5 5 9 A Q 7 5 0 3 2 S C 2 7 1 2 O R K T C 3 8 7 5 F 2 F 2 N P N P N C P 3 5 P 3 4 P 3 3 P 3 2 P 3 1 P 3 0 P 2 9 P 2 8 P 2 7 P 2 6 P 2 5 P 2 4 P 2 3 P 2 2 P 2 1 P 2 0 P 1 9 P 1 8 P 1 7 P 1 6 P 1 5 P 1 4 P 1 3 P 1 2 P 1 1 P 1 0 P 9 P 8 P 7 P 6 P 5 P

47、4 P 3 P 2 P 1 N C N C N C N C N C N C 1 6 G 1 5 G 1 4 G 1 3 G 1 2 G 1 1 G 1 0 G 9 G 8 G 7 G 6 G 5 G 4 G 3 G 2 G 1 G N P N P F 1 F 1 Q 7 5 0 1 1 6 - B T - 9 6 G N K 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3

48、9 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 0 6 1 6 2 6 3 6 4 6 5 6 6 P 7 2 0 3 P 2 5 0 6 B P 7 4 8 2 B P 7 4 8 2 A D 7 5 3 3 S T A N D B Y D 7 5 3 4 U P S P L D 7 5 3 5 P U R E A U D I O U 7 2 0 1 P I C - 2 6 0 4 3 T H L 7 2 0 1 N C H - 1 4 7 1 S 7 5 6 9 V O

49、L U M E P 7 4 8 1 H E A D P H O N E S Q 7 2 0 2 R N 2 4 0 3 D 7 5 2 1 D V D D 7 5 2 2 V 1 D 7 5 2 3 V 2 D 7 5 2 4 V 3 D 7 5 2 5 V 4 D 7 5 2 6 V 5 D 7 5 2 7 T 1 D 7 5 2 9 A M D 7 5 3 0 F M D 7 5 3 1 P H D 7 5 3 2 C D Q 7 5 3 7 2 S C 2 7 1 2 Q 7 5 3 6 2 S C 2 7 1 2 Q 7 5 2 4 Q 7 5 3 3 Q 7 5 3 4 Q 7 5 3 5 Q 7 5 3 2Q 7 5 2 1Q 7 5 2 2Q 7 5 2 3Q 7 5 2 5Q 7 5 2 6Q 7 5 2 7Q 7 5 2 9Q 7 5 3 0Q 7 5 3 1 X 7 2 0 1 C S T 1 6 . 0 0 M X W 0 C 1 Q 7