3. No audio output from this unit
(Streaming)
4. No audio output from this unit
(HDMI ARC)
Are the settings correct in the HEOS app for the mobile device?
Main PCB
Check the input signal
[U7 : 77pin] HEOS_I2S0_MCK
[U7 : 78pin] HEOS_I2S0_LRCK
[U7 : 81pin] HEOS_I2S0_BCK
[U7 : 82pin] HEOS_I2S0_DATA
Main PCB
Check the input signal
[U11 : 37pin] HPD_SPDIF_ARC
[U12 : 37pin] HPD_SPDIF_ARC
[U34 : 6pin] CEC_IN
Main PCB
The circuit around [U1, U7, U11, U16] is faulty.
Main PCB
Check the input signal
The circuit around [U1, U7, U11, U16] is faulty.
The circuit around [Network Module] and connec-
tor is faulty.
The circuit around [HDMI 5 terminal, U11, U12,
U34] is faulty.
YES
YES
NO
YES
OK
YES
NG
NO
Is there a connection between the router and this
unit?
Are the TV settings correct?
Connect router to this unit according to "QSG".
Congure the settings of the TV.
NO
NO
5. No audio output from this unit
(COAX)
Main PCB
The circuit around [U1, U7, U11, U16] is faulty.
YES
Main PCB
Check the input signal
[U10 : 13pin] SPDIF
The circuit around [COAX terminal, J7, U10] is
faulty.
NO
6. No audio output from this unit
(Opt)
Main PCB
The circuit around [U1, U7, U11, U16] is faulty.
YES
Main PCB
Check the input signal
[U8 : 2pin] SPDIF
The circuit around [Opt terminal, OPT1, U8] is
faulty.
NO
41
Caution in
servicing
Electrical Mechanical Repair Information Updating