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Fault flow chart 2.9
No
Yes
Fault symptom:
No sound or poor sound
Possible causes:
Defective PCB04, Power Supply
Defective 999module, Chassis
Defective Speaker units
C14V on
PCB04 CN3 pin 4
and -14V on
pin 6
OK?
Replace PCB04,
Power Supply
C14V on
PCB35 J400 pin 4
and -14V on
pin 6
OK?
C36V on
PCB04 CN2 pin 3
and pin 4
Replace defective
cable
Check connection
between PCB04
and PCB35
OK?
C36V on
PCB35 J401 pin 3
and pin 4
OK?
Replace defective
cable
Check connection
between PCB04
and PCB35
OK?
Replace
999module,
Chassis
Replace PCB04,
Power Supply
Is sound missing or
poor in all
speakers?
Perform test of
speaker units, see
page 2.6
Are speaker units
OK?
Replace defective
speaker unit
Replace defective
999module,
Chassis
Replace defective
cable
Check connection
between PCB35
and the speaker
units
OK?
Replace defective
999module,
Chassis
Replace defective
999module,
Chassis
Содержание Beoplay A9 3rd Generation
Страница 1: ...BeoPlay A9 3rd generation Type 3034 3038 Service Manual version 1 0 English 70 1 70 1 90 8 41 1...
Страница 6: ...1 4...
Страница 25: ...Replacement of modules 4 5 8x TX20 Mount screws 16mm...
Страница 29: ...Replacement of modules 4 9 Remove screws 3x TX10 10mm Disconnect cable 02 1J603...
Страница 31: ...Replacement of modules 4 11 Remove screws 3x TX10 10mm Disconnect cable 02 2J402...
Страница 39: ...Replacement of modules 4 19 Remove screws 2x TX10 10mm...
Страница 47: ...Replacement of modules 4 27 Remove screws Gently remove Woofer 8x TX20 16mm...
Страница 48: ...4 28 Replacement of modules...
Страница 50: ...5 2...
Страница 52: ...6 2 6 2 6 2...
Страница 58: ...7 5 7 5 7 5...
Страница 59: ......
Страница 60: ...Bang Olufsen DK 7600 Struer Denmark 3538275 19 05...