hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
factory technician level - complete with board views :
( removing chassis from cabinet , only thing missing ) ;
on weekends , staff is not available so - be patient .
Text excerpt from page 36 (click to view)
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2. Receiver (Wireless SP) side
(1) In a case where the power is not turned on (the POWER LED does not light)
A
No power (The POWER LED does not light.)
Insert the FFC correctly.
No
Is the FFC (*1) correctly inserted?
(*1) : FFC between CN5901 (RX Assy) and CN5902 (LED Assy)
Yes
B
Is the POWER LED lit?
No
Yes
Is the fuse FU1 blown?
No
Is the IC11 and/or IC14 in MAIN Assy broken? Yes Replace IC11 and/or IC14.
No
Check that the circuits are not short-circuited. As the circuit for +9 V is most likely to have been shortcircuited, check the circuits around IC15.
Yes Replace the FU1 fuse.
C
Yes
Yes
Is the POWER LED lit?
No
Is the POWER LED lit?
No
Yes Inspection completed.
Yes
(2) In a case where no sound is output
D
No sound
Check the Transmitter side.
No
Is TUNED LED lit? Yes
E
Check the "SP PROTECT"circuits around Q3455 and Q3454.
