DOWNLOAD Harman Kardon HK ONE Service Manual ↓ Size: 1.72 MB | Pages: 35 in PDF or view online for FREE

Model
HK ONE
Pages
35
Size
1.72 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hk-one.pdf
Date
PREV: Harman Kardon HK CA70 Service Manual

Harman Kardon HK ONE Service Manual ▷ View online

17    
  Trouble shooting Chart 
Cannot charging
 
Cannot charging 
Go 
Yes 
Replace U3 or change another 
battery 
No
Check U3 pin18 in main Board, whether 
the voltage  ≥0.6V
 
No
Replace R18    R19
 
Yes
No 
Replace L6 
Yes
Replace 24pin FFC 
Check 24pin FFC whether has it 
breakage and connect well? 
Check L6, whether  has  it  breakage 
and connect well? 
18    
  Trouble shooting Chart 
keys do not work 
Keys do not work
 
Go 
No 
Check 3.3v of    U1    PIN5 in main board .
 
Yes 
Replace the U3 in the main board.
 
Yes 
No 
Check Q1 Q11. whether has  it 
breakage or plug in well?
 
Check XP4    10PIN FFC in main board 
whether has  it  breakage or plug in well? 
Fix or replace the 10PIN FFC
 
Yes 
Replace the Q1 Q11 in the main 
board.
 
No 
Replace the Key board.
 
19    
  Trouble shooting Chart 
AUX in does not work 
AUX in does not 
work 
Go 
No 
Fix the connector 
Yes 
Replace Q12 in main board 
No 
Yes 
Check the voltage, clock and data of 
U7 and in main board
 
Replace U10 
No 
Yes 
Check the connector between Aux-In board 
and main board whether normal or not 
Check voltage at U9 PIN3 and pin5 :REF in 
main Board whether normal or not 
Check the input signal of U10 in the 
main board whether normal or not
 
Check voltage at U9 PIN8:12V in main 
Board whether normal or not 
Check the power supply and Replace 
U4 L8,D34 in main board 
Yes
No 
20    
  Trouble shooting Chart 
BT does not work 
BT does not work 
Go 
No 
Check  U1  5PIN  3.3V 
whether normal or not
 
No 
Yes 
Check theD4 C36 whether 
normal or not 
Check 3.3V of U5 voltage on main Board 
whether normal or not 
Check the Rest of U5 whether normal or 
not 
Yes 
Check the    clock and data of U5 
Check the C43 C44 C45 C46 on main 
board 
whether normal 
or not 
No 
Replace U5
 
Yes 
No 
Replace 
C43 C44 C45 C46 
Yes 
Yes 
Check voltage at U8PIN8:12V in main 
Board whether normal or not 
Check the power supply and 
Replace U4 L8,D34 in main board 
No 
Check voltage at U8 PIN3 and pin5 :REF in 
main Board whether normal or not 
Replace Q12 in main board 
Yes 
No 
Check the input signal of U10 in the main 
board whether normal or not
 
Yes 
Replace U10 
No 
Check the voltage, clock and data of U7 
and in main board 
Yes 
Page of 35
Display

Click on the first or last page to see other HK ONE service manuals if exist.

RANDOM: