Denon-AVR3801-avr-sch维修电路原理图.pdf

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Denon-AVR3801-avr-sch维修电路原理图.pdf

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 DIAGRAMFGH3216312345678ABCDESCHEMATIC 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.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 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- 15V+ 15VACBD6312345678ABCDESCHEMATIC 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.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 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- 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 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 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- B LINE+ 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 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 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 (1/15)1U-3320 (1/4) AUDIO/DSP UNIT- B LINE+ 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 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 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 (1/15)1U-3320 (1/4) AUDIO/DSP UNIT- 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 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 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 (2/15)1U-3320 (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 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 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 (2/15)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 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 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.+ B LINESIGNALSCHEMATIC DIAGRAMS (2/15)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 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 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.+ B LINESIGNALSCHEMATIC DIAGRAMS (2/15)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 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 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.+ B LINESIGNALSCHEMATIC DIAGRAMS (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 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 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 (3/15)1U-3320 (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.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 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 (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 INPUTCONDITION.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 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 (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 INPUTCONDITION.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 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 (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 INPUTCONDITION.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 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 (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 INPUTCONDITION.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 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 (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

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