Denon-AVR3801-avr-sch维修电路原理图.pdf

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1、Hi-Fi Component SERVICE MANUAL MODEL AVR-3801 AV 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-3801 61 12345678 A B C D E BLOCK DIAGRAM F G H 91011 RadioFans.CN 收音机爱 好者资料库 AVR-3801 62 1110987654 A B C D E W

2、IRING DIAGRAM F G H 321 63 12345678 A B C D E SCHEMATIC DIAGRAMS (1/15) F G H 91011 AVR-3801 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PAR

3、TS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. 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) a leakage current check or (2) a line to c

4、hassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of 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 and corrected. SCHEMATIC DIAGRAMS (1/1

5、5) 1U-3320 (1/4) AUDIO/DSP UNIT - B LINE + B LINE SIGNAL - 15V + 15V A C B D 63 12345678 A B C D E SCHEMATIC DIAGRAMS (1/15) F G H 91011 AVR-3801 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE M

6、EASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. 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

7、either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power card is less than 460 kohms, the unit is defective. WARNING: DO NOT return the unit to the customer until the prob

8、lem is located and corrected. SCHEMATIC DIAGRAMS (1/15) 1U-3320 (1/4) AUDIO/DSP UNIT - B LINE + B LINE SIGNAL - 15V + 15V 63 12345678 A B C D E SCHEMATIC DIAGRAMS (1/15) F G H 91011 AVR-3801 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MIC

9、RO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture. CAUTION: Before returning

10、the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power card is less than 460 kohms, the unit is defective. WARNING: DO NOT r

11、eturn the unit to the customer until the problem is located and corrected. SCHEMATIC DIAGRAMS (1/15) 1U-3320 (1/4) AUDIO/DSP UNIT - B LINE + B LINE SIGNAL - 15V + 15V 63 12345678 A B C D E SCHEMATIC DIAGRAMS (1/15) F G H 91011 AVR-3801 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM

12、 ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended b

13、y the manufacture. CAUTION: Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power card is less than 460 ko

14、hms, the unit is defective. WARNING: DO NOT return the unit to the customer until the problem is located and corrected. SCHEMATIC DIAGRAMS (1/15) 1U-3320 (1/4) AUDIO/DSP UNIT - B LINE + B LINE SIGNAL - 15V + 15V 63 12345678 A B C D E SCHEMATIC DIAGRAMS (1/15) F G H 91011 AVR-3801 NOTICE ALL RESISTAN

15、CE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts marked with this symbol have critical characterist

16、ics. Use ONLY replacement parts recommended by the manufacture. CAUTION: Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to eith

17、er side of 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 and corrected. SCHEMATIC DIAGRAMS (1/15) 1U-3320 (1/4) AUDIO/DSP UNIT - B LINE + B LINE SIGNAL - 15V + 15V AVR-3801 64 1110987654 A B C D E SCHEMATIC

18、DIAGRAMS (2/15) F G H 321 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts marke

19、d 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) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliam

20、ps, or if the resistance from chassis to either side of 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 and corrected. + B LINE SIGNAL SCHEMATIC DIAGRAMS (2/15) 1U-3320 (2/4) AUDIO DSP UNIT + 5V + 5V + 3.3V A

21、C B D AVR-3801 64 1110987654 A B C D E SCHEMATIC DIAGRAMS (2/15) F G H 321 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO

22、CHANGE WITHOUT PRIOR NOTICE. 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) a leakage current check or (2) a line to chassis resistance

23、check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of 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 and corrected. + B LINE SIGNAL SCHEMATIC DIAGRAMS (2/15)

24、 1U-3320 (2/4) AUDIO DSP UNIT + 5V + 5V + 3.3V AVR-3801 64 1110987654 A B C D E SCHEMATIC DIAGRAMS (2/15) F G H 321 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CON

25、DITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. 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) a leakage current c

26、heck or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of 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 and corrected.

27、+ B LINE SIGNAL SCHEMATIC DIAGRAMS (2/15) 1U-3320 (2/4) AUDIO DSP UNIT + 5V + 5V + 3.3V AVR-3801 64 1110987654 A B C D E SCHEMATIC DIAGRAMS (2/15) F G H 321 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CU

28、RRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. 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 sur

29、e you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power card is less than 460 kohms, the unit is defective. WARNING: DO NOT return the unit to the customer unt

30、il the problem is located and corrected. + B LINE SIGNAL SCHEMATIC DIAGRAMS (2/15) 1U-3320 (2/4) AUDIO DSP UNIT + 5V + 5V + 3.3V AVR-3801 64 1110987654 A B C D E SCHEMATIC DIAGRAMS (2/15) F G H 321 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD

31、. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacture. CAUTION: Before ret

32、urning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power card is less than 460 kohms, the unit is defective. WARNING: D

33、O NOT return the unit to the customer until the problem is located and corrected. + B LINE SIGNAL SCHEMATIC DIAGRAMS (2/15) 1U-3320 (2/4) AUDIO DSP UNIT + 5V + 5V + 3.3V 65 12345678 A B C D E SCHEMATIC DIAGRAMS (3/15) F G H 91011 AVR-3801 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000

34、OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommende

35、d by the manufacture. CAUTION: Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power card is less than 460

36、 kohms, the unit is defective. WARNING: DO NOT return the unit to the customer until the problem is located and corrected. SCHEMATIC DIAGRAMS (3/15) 1U-3320 (3/4) AUDIO/DSP UNIT + B LINE SIGNAL + 5V + 3.3V + 5V A C B D 65 12345678 A B C D E SCHEMATIC DIAGRAMS (3/15) F G H 91011 AVR-3801 NOTICE ALL R

37、ESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts marked with this symbol have critical chara

38、cteristics. Use ONLY replacement parts recommended by the manufacture. CAUTION: Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis

39、to either side of 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 and corrected. SCHEMATIC DIAGRAMS (3/15) 1U-3320 (3/4) AUDIO/DSP UNIT + B LINE SIGNAL + 5V + 3.3V + 5V 65 12345678 A B C D E SCHEMATIC DIAGRAMS

40、 (3/15) F G H 91011 AVR-3801 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts ma

41、rked 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) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 mill

42、iamps, or if the resistance from chassis to either side of 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 and corrected. SCHEMATIC DIAGRAMS (3/15) 1U-3320 (3/4) AUDIO/DSP UNIT + B LINE SIGNAL + 5V + 3.3V + 5V

43、 65 12345678 A B C D E SCHEMATIC DIAGRAMS (3/15) F G H 91011 AVR-3801 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANG

44、E WITHOUT PRIOR NOTICE. 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) a leakage current check or (2) a line to chassis resistance check

45、. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of 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 and corrected. SCHEMATIC DIAGRAMS (3/15) 1U-3320 (3/4) AUDIO/

46、DSP UNIT + B LINE SIGNAL + 5V + 3.3V + 5V 65 12345678 A B C D E SCHEMATIC DIAGRAMS (3/15) F G H 91011 AVR-3801 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITIO

47、N. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. 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) a leakage current check

48、or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of 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 and corrected. SCHEM

49、ATIC DIAGRAMS (3/15) 1U-3320 (3/4) AUDIO/DSP UNIT + B LINE SIGNAL + 5V + 3.3V + 5V AVR-3801 66 1110987654 A B C D E SCHEMATIC DIAGRAMS (4/15) F G H 321 NOTICE ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. WARNING: Parts marked with this symbol have critical characteristics. Use ON