Toshiba SD-2550A Service Manual page 46

6
Tracking servo is NG.
N
Is TE signal normal?
Y
Check peripheral
Check IC502.
circuit of IC605.
Fig. 1-3-13
Signal waveform at
Signal waveform at
tracking servo ON (CD)
tracking servo ON (DVD)
TE signal
Pin 151 (TP406) of IC401
1.65V
RFRP signal
Pin 153 (TP408) of IC401
Search ON (SRCH)
Pin 38 (TP411) of IC401
ON search Tracking servo on
Fig. 1-3-15
Fig. 1-3-14
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