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3-8
ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART
3. TOUCH PAD CHECK
Touch pad check
OK
OK
OK
Replace the related part.
Check IC104 output Pin3 : 3.3 V
Check IC104 input Pin2 : 3.7 VA
IF it is right --> OK
IF it is NO --> Refer to SMPS
Troubleshooting.
NO
NO
Check
resistance output of line
CLK : R358
DATA : R351
PN302 Pin5 3.3 V.
Check
IC304 Pin1: SDA, Pin2: SCL
IC101 Pin27: DATA, Pin28 : CLK
IC100 Pin5: CLK, Pin23: DATA
Check IC304
Pin24 3.3 V.
NO
NO
YES
YES
YES
YES
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 ...