3-15
ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART
No FL+/ FL-
Check 3.7 V output & P_CTRL.
Replace D950.
Replace R950.
Check soldering
connector PN901.
Is the P_CTRL OK?
D950 normal?
R950 normal?
NO
NO
NO
YES
YES
YES
YES
No AMP output
Check 3.7 V.
Replace D906, R910, C915.
Replace D955.
Check soldering
connector CN901.
Is the Vcc
supplied to IC902
Pin7?
D955 normal?
NO
NO
NO
NO
Is the P_CTRL OK?
D906, R910,
C915 normal?
YES
YES
YES
YES
YES
Summary of Contents for FA162
Page 15: ...2 2 MEMO ...
Page 19: ...A60R A60L 4 SPEAKER SECTION FAS162F ...
Page 46: ...3 27 7 AUDIO PART I2S ...
Page 47: ...3 28 MEMO ...
Page 61: ...3 55 3 56 2 MAIN P C BOARD TOP VIEW ...
Page 62: ...MAIN P C BOARD BOTTOM VIEW 3 57 3 58 ...
Page 63: ...3 59 3 60 3 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...
Page 64: ...3 61 3 62 4 TOUCH P C BOARD TOP VIEW 5 TOUCH SLIDE P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
Page 65: ...3 63 3 64 MEMO MEMO ...