PIONEER F-F6-J/WYXCN5
Manual de Servicio

5

6

7

8

A
IC112. POWER IC - CONVERTER CHECK Does CN500. Check the IC108. 32PIN 1PIN(POWER_RELAY) No (POWER_RLY) input and HI waveform patterns. operate? Yes IC115. POWER IC - CONVERTER CHECK Is IC112. 4PIN (OUT) 5V in the DAB BAND state on the HI waveform? Yes Yes IC110. POWER IC - CONVERTER CHECK IC111. RESET & MEMORY IC CHECK Is IC111. 8PIN(VCC) within 5V ? Yes IC109. POWER IC - CONVERTER CHECK IC108. u-COM IC CHECK Is IC108. 15PIN(VDD),16PIN (EVDD) within 5V? Yes To Step 6 Is there IC108. 10PIN(X2), 11PIN(X1) output waveform? Yes POWER TRANS CHECK Is there IC100. 20PIN (VCC) 5V ? Is there CP103. 2,3PIN AC10V? Yes No Check the parts in the path. Is there PIN100. 21PIN(AUD_SER),22PIN (AUD_OUT0),23PIN(AUD_ SCLK),24PIN(MCLK) OUTPUT waveform? Check the parts in the path. Yes IC103. IC COMMUNICATION CHECK WITH u-COM
E B A

Is there IC112. 2PIN(OUT) 3.3V? Yes

No

Check the parts in the path.

No

Is there IC115. 3PIN(OUT) 6V?

No Check the parts and patterns in the path.

Check the parts in the path.

Check the parts and No patterns in the path. Check the IC111. 6PIN(SCL), 5PIN (SDA) HI waveform.

Is there IC110. 2PIN(OUT) -12V? Yes

No

Check the parts in the path.

No Check the parts and patterns in the path.

Is there IC109. 3PIN(OUT) 12V? Yes

No Check the parts in the path.

C

No Check the parts and patterns in the path.

Step 6: DAB OPERATION CHECK
IC100. IC OPERATION CHECK

No Check the parts in the path. (STEP5)

D

Yes

No Check the PIN100. WAFER defective connection.

Is there CP103. 4,6PIN AC15V? Yes

No

IC113. POWER IC - CONVERTER CHECK Is u-COM communication conducted for IC103. 6,8PIN? Yes No Check the parts in the path.

Is there IC113. 3PIN(OUT) 5V? Yes

No Check the parts in the path.

B

F

F-F6-J
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