DOWNLOAD Harman Kardon BDS 5 Service Manual ↓ Size: 7.63 MB | Pages: 66 in PDF or view online for FREE

Model
BDS 5
Pages
66
Size
7.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
bds-5.pdf
Date
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5-7                             Trouble shooting Chart 
Tuner FM does not work 
Tuner FM does not work 
Go
Check the DVD mode is 
OK,audio output is ok 
Yes 
Check Tuner module 
pin5 supply voltage is 
+3.3V
Replace the AM board
No
Check AM board tuner voltage supply 
circuit.
No
Change the Tuner module
No
Check Tuner module 
pin6,pin7,pin8,I2S output 
Yes 
Yes 
Check the U202 
 
74LV541 PIN20 
VDD+3.3V, 
No
Yes 
Replace U202 74LV541 
Check the main board U202 
power supply circuit 
Harman Kardon
BDS 2 / BDS 5 Service Manual
Page 17 of 66
5-8                             Trouble shooting Chart 
AUX 
IN does not work 
AUX in does not 
work
Go
Check the DVD mode is 
OK,audio output is ok 
No 
Replace the AM board
Check the AM board U18 
AK5367 PIN2,PIN3, 
PIN4,PIN5 L/R signal input 
Yes 
Check the main board 
R301,R302,R303,R304 
No 
Yes 
Replace U18 AK5367
Check U18 AK5367 
is broken. 
Check the U202 74LV541 
No 
Yes 
check the U18 
AK5367 
PIN30,VDD+5V, 
Check the main board U18 
power supply circuit 
No 
Yes 
Harman Kardon
BDS 2 / BDS 5 Service Manual
Page 18 of 66
5-9                             Trouble shooting Chart 
IPOD 
IN does not work 
IPOD in does not 
work 
Go
Check the DVD mode is 
OK,audio output is ok 
No 
Replace the AM board
Check whether bad solder 
exists on pins of BRIDGE 
ċ connector 
Yes 
Correct connection   
No 
Yes 
Check the U18 AK5367 and 
U202  74LV541 
Check U719,U720 
input and output 
signal is ok
Replace U719, U720
No 
Yes 
Check whether the 
remote can control 
the IPOD unit
Replace U721 or replace the 
AM board 
No 
Yes 
Check whether the 
remote can control 
the IPOD unit
Yes 
Check the IPOD power supply 
IC U723 LM7808 
No 
Harman Kardon
BDS 2 / BDS 5 Service Manual
Page 19 of 66
5-10                             Trouble shooting Chart 
COAX/OPTICAL does not work 
COAX/OPTICAL 
does not work 
Go
Check the DVD mode is 
OK,audio output is ok 
No 
Replace the AM board
Check the coax/optical 
 
RCA connector is ok 
Yes 
Replace the RCA connector 
No 
Yes 
Replace U714 CS8422
Check U714 
CS8422  is broken. 
Check the U202 74LV541 
No 
Yes 
Check U714 
PIN3,PIN22 +3.3V
Yes 
Check the main board 
U714power supply circuit 
No 
Harman Kardon
BDS 2 / BDS 5 Service Manual
Page 20 of 66
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