3-2
ONE POINT REPAIR GUIDE
1. RECEIVER BAR ONE POINT REPAIR GUIDE
1-1. NO POWER PROBLEM
No power problem occurs when you power on the unit.
1-1-1. 23.5 VA
1-1-1-1. Solution
Replace F900, BD900, IC920, PC900, IC950.
1-1-1-2. How to troubleshoot (Countermeasure)
Case 1) No Standby LED: Check F900, BD900, IC920 and around components
Ö
Replace these.
Case 2) 23.5 VA abnormal: Check PC900, IC950
Ö
Replace these.
1-1-1-3. Service hint (Any picture / Remark)
< SMPS board top view >
BD900
F900
IC920
PC900
IC950
BD900
F900
IC920
PC900
IC950
Содержание NB3532A
Страница 9: ...2 2 MEMO ...
Страница 13: ...2 8 MEMO ...
Страница 25: ...3 12 2 SYSTEM PART 2 I2S SIGNAL FIG 2 1 DSP IC301 ES8690 4 3 3 4 ...
Страница 26: ...3 13 FIG 2 2 DSP IC301 ES8690 5 6 5 6 ...
Страница 27: ...3 14 MEMO ...
Страница 42: ...3 44 3 43 RECEIVER BAR PRINTED CIRCUIT BOARD DIAGRAMS 1 2 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 43: ...3 46 3 45 RECEIVER BAR PRINTED CIRCUIT BOARD DIAGRAMS 1 3 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...