Yamaha AX-497 서비스 매뉴얼 - 페이지 11
{카테고리_이름} Yamaha AX-497에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Yamaha AX-497 36 페이지. Stereo amplifier
Yamaha AX-497에 대해서도 마찬가지입니다: 소유자 매뉴얼 (23 페이지), 소유자 매뉴얼 (24 페이지)
페이지 인쇄
- 1. Table of Contents
- 2. Important Notice
- 3. To Service Personnel
- 4. Impedance Selector
- 5. Remote Control Panel
- 6. Front Panel
- 7. Rear Panels
- 8. Specifications
- 9. Internal View
- 10. Disassembly Procedures
- 11. Adjustment
- 12. IC Data / Block Diagram
- 13. Pin Connection Diagram / Printed Circuit Board
- 14. Parts List
- 15. Exploded View
- 16. Remote Control Rax15
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ADJUSTMENT
CONFIRMATION OF IDLING CURRENT
1. Right after the power is turned on, confirm that the volt-
age across the terminals of R64 (L ch) and R65 (R ch)
are between 0.1mV to 10.0mV.
2. If the measured voltage exceeds 10.0mV, open (cut off)
R51 (L ch), R52 (R ch) and reconfirm the voltage.
3. Confirm that the voltage is between 0.25mV and 30.0mV
after 60 minutes.
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R64 (L ch)
R65 (R ch)
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2 9
8
0.1mV–10mV
Q Q
3
6 7
1 3
1 5
R64
R65
R51 R52
co
.
9 4
2 8
Cut
R51 (L ch)
R52 (R ch)
0 5
8
2 9
9 4
2 8
m
AX-497
9 9
9 9
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