Denon HEOS AVR - Page 49

8. No audio output
(LINE IN)
*Only Analog Direct Mode
9. No audio output
(AUX IN)
Check the connection of [Connector CN32A] (DIGI-
TAL PCB)
[CN32A : 1pin] SR_OUT
[CN32A : 3pin] SL_OUT
[CN32A : 5pin] C_OUT
[CN32A : 7pin] FR_OUT
[CN32A : 9pin] FL_OUT
[CN32A : 11pin] SW_OUT
Check the input of DIR (DIGITAL PCB)
Is the ANALOG signal OK?
[IC432 : 47pin] VINL
[IC432 : 48pin] VINR
Check the input of PLD (DIGITAL PCB)
[IC431 : 29pin] ADCA_DATA_INPUT
[IC431 : 30pin] ADCA_LRCK
[IC431 : 33pin] ADCA_BCLK
[IC431 : 35pin] ADCA_MCLK
Check the input of Volume IC (DIGITAL PCB)
Is the ANALOG signal OK?
[IC480 : 45pin] LINE_IN_R
[IC480 : 46pin] LINE_IN_L
Check the input of Volume IC (DIGITAL PCB)
Is the ANALOG signal OK?
[IC480 : 41pin] AUX_IN_R
[IC480 : 42pin] AUX_IN_L
See "Check the input of Digital AMP IC*2" in item
2
See "Check the input of DSP*1" in item 2
Check the soldering of peripheral parts.
If there are no abnormalities, [IC480 Volume IC] is
faulty.
Check the soldering of peripheral parts.
If there are no abnormalities, [IC480 Volume IC] is
faulty.
Check the soldering of peripheral parts.
If there are no abnormalities, [IC432 DIR IC] is
faulty.
Check the soldering of peripheral parts.
If there are no abnormalities, [LINE IN terminal
JK472] is faulty.
Check the soldering of peripheral parts.
If there are no abnormalities, [LINE IN terminal
JK471] is faulty.
YES YES
OK
OK
OK OK
OK
NG NG
NG
NG NG
Is there a connection between the Input Source
and this unit?
Is there a connection between the Input Source
and this unit?
Connect input source to this unit according to
"QSG".
Connect input source to this unit according to
"QSG".
NO NO
49
Caution in
servicing
Electrical Mechanical Repair Information Updating