Denon HEOS AVR - Page 50

10. No sound from another HEOS speaker
(Select LINE IN input on HEOS AVR)
Are the settings correct in the HEOS app for the mobile device?
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 DIR*3
(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 D/A (DIGITAL PCB)
Is [IC474 : 17pin] DIST_MUTE set to the "
Hi
" level?
[IC474 : 12pin] SDAC_MCLK
[IC474 : 13pin] SDAC_BCK
[IC474 : 15pin] SDAC_LRCK
[IC474 : 14pin] SDAC_DATA
Check the input of DIR (DIGITAL PCB)
Is the ANALOG signal OK?
[IC433 : U12-47pin] DIST_L
[IC433 : U12-48pin] DIST_R
Check the input of Network Module (DIGITAL PCB)
[CN501 : 23pin] AIOS_LRCK(IN)
[CN501 : 24pin] AIOS_I2S(IN)
[CN501 : 25pin] AIOS_I2S_SCLK(IN)
Check the soldering of peripheral parts.
If there are no abnormalities, Speaker UNIT 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, [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, [IC431 PLD IC] is
faulty.
Check the soldering of peripheral parts.
If there are no abnormalities, [IC474 D/A IC] is
faulty.
Check the soldering of peripheral parts.
If there are no abnormalities, [IC433 DIR IC] is
faulty.
YES NO
YES
OK
OK
OK
OK
OK
OK
OK
NO
NO
NO
NO
NO
NO
Is there a connection between the router and this
unit?
Connect router to this unit according to "QSG".
NO
50
Caution in
servicing
Electrical Mechanical Repair Information Updating