Denon HEOS HomeCinema HS2 Service Manual page 49

2. No audio output from this unit
Is the router connected to the Soundbar?
YES
Are the HEOS App settings on your mobile device correct?
YES
Does a blue light illuminate on the indicator on
the back of the Subwoofer?
YES
Check the signal of the MAIN (Bar) PCB.
[J14 : 17pin] D83_RESET = "Hi" level
[J14 : 7pin] D83_EN = "Hi" level
[J14 : 22pin] MDAC_LRCLK
[J14 : 24pin] MDAC_BCLK
[J14 : 26pin] MDAC_DATA1
OK
Check the voltage of the MAIN (Sub) PCB.
[TP3] 3.3V
[TP23] 24V
[TP24] 3.3V
OK
Check the signal of the MAIN (Sub) PCB.
[CN6 : 17pin] D83_RESET = "Hi" level
[CN6 : 7pin] 5.8G_EN = "Hi" level
[CN6 : 3pin] 5.8G_MCLK = 12.288MHz
OK
(Subwoofer)
NO
Connect router to Soundbar according to "QSG".
YES
NO
Press the pairing buttons on the Soundbar and
subwoofer to pair them again.
NO
The DWHP83(Bar Wireless unit), DWHP83(Sub
Wireless unit), Main (Bar) PCB or Main (Sub) PCB is
faulty.
NG
Main (Bar) PCB
The circuit around [U7] is faulty.
NG
Main (Sub) PCB
The circuit around [U3, U7, Q3, Q4, Q5] is faulty.
NG
Main (Sub) PCB
The circuit around [Y1, U7] is faulty.
Check the signal of the MAIN (Sub) PCB.
[CN6 : 22pin] DSP_LRCLK
[CN6 : 24pin] DSP_SCLK
[CN6 : 26pin] DSP_Data
OK
Check the signal of the MAIN (Sub) PCB.
[U2 : 25pin] PA_RST = "Hi" level
[U2 : 19pin] PA_PDN = "Hi" level
[U2 : 15pin] MCLK = 12.288MHz
OK
Check the signal of the MAIN (Sub) PCB.
[U2 : 1pin] OUT_A
[U2 : 46pin] OUT_B
[U2 : 39pin] OUT_C
[U2 : 36pin] OUT_D
[U2 : 2, 3, 34, 35, 40, 41, 44, 45pin] 24V
OK
Check for faulty soldering in nearby parts and the speaker unit.
49
NG
DWHP83 (Sub Wireless unit)
The DWHP83 (Sub Wireless unit) is faulty.
NG
Main (Sub) PCB
The circuit around [U7] is faulty.
NG
Main (Sub) PCB
The circuit around [U2] is faulty.