Main (Sub) PCB
The circuit around [U7] is faulty.
Main (Sub) PCB
The circuit around [U2] is faulty.
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
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
Check for faulty soldering in nearby parts and the speaker unit.
OK
OK
NG
NG
2. No audio output from this unit
(Subwoofer)
Connect router to Soundbar according to "
QSG
".
Press the pairing buttons on the Soundbar and
subwoofer to pair them again.
Main (Bar) PCB
The circuit around [U7] is faulty.
Main (Sub) PCB
The circuit around [U3, U7, Q3, Q4, Q5] is faulty.
Main (Sub) PCB
The circuit around [Y1, U7] is faulty.
DWHP83 (Sub Wireless unit)
The DWHP83 (Sub Wireless unit) is faulty.
The DWHP83(Bar Wireless unit), DWHP83(Sub
Wireless unit), Main (Bar) PCB or Main (Sub) PCB is
faulty.
Is the router connected to the Soundbar?
Does a blue light illuminate on the indicator on
the back of the Subwoofer?
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
Check the voltage of the MAIN (Sub) PCB.
[TP3] 3.3V
[TP23] 24V
[TP24] 3.3V
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
Check the signal of the MAIN (Sub) PCB.
[CN6 : 22pin] DSP_LRCLK
[CN6 : 24pin] DSP_SCLK
[CN6 : 26pin] DSP_Data
Are the HEOS App settings on your mobile device correct?
YES
YES
YES
OK
OK
OK
OK
NO
YES
NO
NO
NG
NG
NG
NG
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
49
