Denon AVR-3801 Manuale utente

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.

AVR-3801

12 3 45678

BLOCK DIAGRAM

9 10 11

AVR-3801

WIRING DIAGRAM

321

12 3 45678

SCHEMATIC DIAGRAMS (1/15)

9 10 11

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 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. 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 (1/15)

1U-3320 (1/4) AUDIO/DSP UNIT

- B LINE

+ B LINE

SIGNAL

15V

12 3 45678

SCHEMATIC DIAGRAMS (1/15)

9 10 11

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 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. 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 (1/15)

1U-3320 (1/4) AUDIO/DSP UNIT

- B LINE

+ B LINE

SIGNAL

15V

12 3 45678

SCHEMATIC DIAGRAMS (1/15)

9 10 11

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 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. 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 (1/15)

1U-3320 (1/4) AUDIO/DSP UNIT

- B LINE

+ B LINE

SIGNAL

15V

12 3 45678

SCHEMATIC DIAGRAMS (1/15)

9 10 11

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 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. 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 (1/15)

1U-3320 (1/4) AUDIO/DSP UNIT

- B LINE

+ B LINE

SIGNAL

15V

12 3 45678

SCHEMATIC DIAGRAMS (1/15)

9 10 11

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 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. 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 (1/15)

1U-3320 (1/4) AUDIO/DSP UNIT

- B LINE

+ B LINE

SIGNAL

15V

AVR-3801

SCHEMATIC DIAGRAMS (2/15)

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 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 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

+ 3.3V

AVR-3801

SCHEMATIC DIAGRAMS (2/15)

321

NOTICE

ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM

ALL CAPACITANCE VALUES I N 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 replacemen t 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 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

+ 3.3V

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