3-3
ONE POINT REPAIR GUIDE
2. SPEAKER NO AUDIO OUTPUT
No audio output problem occurs when you power on the unit.
2-1. Solution
Reassemble AMP IC heat-sink, replace IC101.
2-2. How to troubleshoot (Countermeasure)
1) Reassemble AMP IC heat-sink (heat-sink screw must be assembled tightly).
2) Still NG, please check CN901 Pin10 (12 V), Pin1, 2, 3, 4 (28 V).
3) If it is not appear Vcc, change SMPS board assembly.
4) After changing it, if Vcc is still NG, check CN901 Pin12 (P-CTRL).
5) CN901 Pin12 (P_CTRL) is not appear, change
μ
-com IC (IC101).
2-3. Service hint (Any picture / Remark)
< MAIN board top view >
< SMPS board top view >
< MAIN board top view >
CN901
HEATSINK
IC101
Содержание FA162
Страница 15: ...2 2 MEMO ...
Страница 19: ...A60R A60L 4 SPEAKER SECTION FAS162F ...
Страница 46: ...3 27 7 AUDIO PART I2S ...
Страница 47: ...3 28 MEMO ...
Страница 61: ...3 55 3 56 2 MAIN P C BOARD TOP VIEW ...
Страница 62: ...MAIN P C BOARD BOTTOM VIEW 3 57 3 58 ...
Страница 63: ...3 59 3 60 3 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 64: ...3 61 3 62 4 TOUCH P C BOARD TOP VIEW 5 TOUCH SLIDE P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
Страница 65: ...3 63 3 64 MEMO MEMO ...