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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
Содержание SD-120EB
Страница 4: ...SECTION 1 GENERAL DESCRIPTIONS 1 OPERATING INSTRUCTIONS SD 220EB SECTION 1 GENERAL DESCRIPTIONS ...
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Страница 62: ...Others Before Calling Service Personnel Specifications ...
Страница 105: ...4 2 Power Supply Block Diagram Fig 3 4 2 ...
Страница 107: ...Fig 3 4 5 4 3 3 Front Display Power Switch Block Diagram ...
Страница 108: ...m Q502 Q501 PUDET2 IC306 Fig 3 4 6 4 4 Main Block Diagrams 4 4 1 Servo System Block Diagram ...
Страница 110: ...4 4 3 Output RGB Block Diagram Fig 3 4 8 ...
Страница 111: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 1 5 CIRCUIT DIAGRAMS 5 1 Power Supply Circuit Diagram ...
Страница 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 ...
Страница 116: ...5 3 2 Main Circuit Diagram Fig 3 5 5 ...
Страница 117: ...5 3 2 Main Circuit Diagram ...
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Страница 124: ...Fig 3 5 5 ...
Страница 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 ...
Страница 127: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F 5 5 Motor System Circuit Diagrams Fig 3 5 8 CN1 B3 S1 C4 Part Loca No tion ...
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