Denon-AVR3801-avr-sch维修电路原理图.pdf

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1、Hi-Fi ComponentSERVICE MANUALMODEL AVR-3801AV SURROUND RECEIVER? Some illustrations using in this service manual are slightly different from the actual set.RadioFans.CN 收音机爱 好者资料库AVR-38016112345678ABCDEBLOCK DIAGRAMFGH91011RadioFans.CN 收音机爱 好者资料库AVR-3801621110987654ABCDEWIRING DIAGRAMFGH321631234567

2、8ABCDESCHEMATIC DIAGRAMS (1/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNIN

3、G:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance check. If the leakagecurrent exceeds 0.5

4、 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS (1/15)1U-3320 (1/4) AUDIO/DSP UNIT- B LINE+ B LINESIGNAL- 15V+ 15VAC

5、BD6312345678ABCDESCHEMATIC DIAGRAMS (1/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNO

6、TICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance check. If the leakagecurrent

7、exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS (1/15)1U-3320 (1/4) AUDIO/DSP UNIT- B LINE+ B LINESIGNAL-

8、 15V+ 15V6312345678ABCDESCHEMATIC DIAGRAMS (1/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT

9、PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance check. If the leakagec

10、urrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS (1/15)1U-3320 (1/4) AUDIO/DSP UNIT- B LINE+ B LINE

11、SIGNAL- 15V+ 15V6312345678ABCDESCHEMATIC DIAGRAMS (1/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE W

12、ITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance check. If the l

13、eakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS (1/15)1U-3320 (1/4) AUDIO/DSP UNIT- B LINE+

14、 B LINESIGNAL- 15V+ 15V6312345678ABCDESCHEMATIC DIAGRAMS (1/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO C

15、HANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance check. I

16、f the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS (1/15)1U-3320 (1/4) AUDIO/DSP UNIT-

17、B LINE+ B LINESIGNAL- 15V+ 15VAVR-3801641110987654ABCDESCHEMATIC DIAGRAMS (2/15)FGH321NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJE

18、CT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance c

19、heck. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.+ B LINESIGNALSCHEMATIC DIAGRAMS (2/15)1U-3320 (

20、2/4) AUDIO DSP UNIT+ 5V+ 5V+ 3.3VACBDAVR-3801641110987654ABCDESCHEMATIC DIAGRAMS (2/15)FGH321NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS AR

21、E SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resis

22、tance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.+ B LINESIGNALSCHEMATIC DIAGRAMS (2/15)1U

23、-3320 (2/4) AUDIO DSP UNIT+ 5V+ 5V+ 3.3VAVR-3801641110987654ABCDESCHEMATIC DIAGRAMS (2/15)FGH321NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS

24、 ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis re

25、sistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.+ B LINESIGNALSCHEMATIC DIAGRAMS (2/15

26、)1U-3320 (2/4) AUDIO DSP UNIT+ 5V+ 5V+ 3.3VAVR-3801641110987654ABCDESCHEMATIC DIAGRAMS (2/15)FGH321NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PA

27、RTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis

28、 resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.+ B LINESIGNALSCHEMATIC DIAGRAMS (2

29、/15)1U-3320 (2/4) AUDIO DSP UNIT+ 5V+ 5V+ 3.3VAVR-3801641110987654ABCDESCHEMATIC DIAGRAMS (2/15)FGH321NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND

30、 PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chas

31、sis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.+ B LINESIGNALSCHEMATIC DIAGRAMS

32、 (2/15)1U-3320 (2/4) AUDIO DSP UNIT+ 5V+ 5V+ 3.3V6512345678ABCDESCHEMATIC DIAGRAMS (3/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT

33、AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to c

34、hassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS (3/15)1U-3

35、320 (3/4) AUDIO/DSP UNIT+ B LINESIGNAL+ 5V+ 3.3V+ 5VACBD6512345678ABCDESCHEMATIC DIAGRAMS (3/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.C

36、IRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a li

37、ne to chassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS (3/

38、15)1U-3320 (3/4) AUDIO/DSP UNIT+ B LINESIGNAL+ 5V+ 3.3V+ 5V6512345678ABCDESCHEMATIC DIAGRAMS (3/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITIO

39、N.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a

40、 line to chassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRAMS

41、(3/15)1U-3320 (3/4) AUDIO/DSP UNIT+ B LINESIGNAL+ 5V+ 3.3V+ 5V6512345678ABCDESCHEMATIC DIAGRAMS (3/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDI

42、TION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2

43、) a line to chassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIAGRA

44、MS (3/15)1U-3320 (3/4) AUDIO/DSP UNIT+ B LINESIGNAL+ 5V+ 3.3V+ 5V6512345678ABCDESCHEMATIC DIAGRAMS (3/15)FGH91011AVR-3801NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCO

45、NDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or

46、 (2) a line to chassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC DIA

47、GRAMS (3/15)1U-3320 (3/4) AUDIO/DSP UNIT+ B LINESIGNAL+ 5V+ 3.3V+ 5VAVR-3801661110987654ABCDESCHEMATIC DIAGRAMS (4/15)FGH321NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPU

48、TCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacture.CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check

49、 or (2) a line to chassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.SCHEMATIC

50、DIAGRAMS (4/15)1U-3320 (4/4) AUDIO DSP UNIT- B LINE+ B LINESIGNAL- 15V+ 5V+ 15V+ 5VACBDAVR-3801661110987654ABCDESCHEMATIC DIAGRAMS (4/15)FGH321NOTICEALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHMALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUER