Yamaha HTR-5920 서비스 매뉴얼 - 페이지 16
{카테고리_이름} Yamaha HTR-5920에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Yamaha HTR-5920 38 페이지. Digital home theater system
av receiver
Yamaha HTR-5920에 대해서도 마찬가지입니다: 소유자 매뉴얼 (45 페이지)
페이지 인쇄
HTR-5920
• AMP P.C.B.
Does protect
circuit work?
YES
implementation
of speaker relay
YES
voltages of IC91
to 93 correct?
16
Start
Power on
NO
Is
NO
correct?
Are power
E
NO
Is connection of
all cable correct?
YES
Check voltages
NO
CN94 pin 2 : low
CN96 pin 5 : 1.5V
YES
Check Front Board
Check and replace
speaker relay (RY62-64)
Is input power
NO
voltage (AC) of D901
correct?
YES
Is output power
NO
voltage (DC) of D901
correct?
Check IC91 to 93
Check connections of
cable
Check Protect circuit
and power supply part
Check Power
transformer
Check and replace
D901