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Tracking servo is NG.
Is TE signal normal?
Check peripheral
circuit of IC604.
Check IC502.
6
Y
N
Signal waveform at
tracking servo ON (CD)
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
Signal waveform at
tracking servo ON (DVD)
Fig. 1-3-13
Fig. 1-3-14
Fig. 1-3-15
Summary of Contents for SD-120EB
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Page 62: ...Others Before Calling Service Personnel Specifications ...
Page 105: ...4 2 Power Supply Block Diagram Fig 3 4 2 ...
Page 107: ...Fig 3 4 5 4 3 3 Front Display Power Switch Block Diagram ...
Page 108: ...m Q502 Q501 PUDET2 IC306 Fig 3 4 6 4 4 Main Block Diagrams 4 4 1 Servo System Block Diagram ...
Page 110: ...4 4 3 Output RGB Block Diagram Fig 3 4 8 ...
Page 113: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 3 5 2 Front Display Power Switch Circuit Diagram ...
Page 116: ...5 3 2 Main Circuit Diagram Fig 3 5 5 ...
Page 117: ...5 3 2 Main Circuit Diagram ...
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Page 124: ...Fig 3 5 5 ...
Page 126: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F 5 4 Output RGB Circuit Diagram Fig 3 5 7 ...
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