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-2050
Page 1: ...DVD VIDEO PLAYER SERVICE MANUAL May 2000 s FILE NO 810 200005 SD 2050 DIGITAL VIDEO ...
Page 5: ...SECTION 1 GENERAL DESCRIPTIONS SECTION 1 GENERAL DESCRIPTIONS 1 OPERATING INSTRUCTIONS ...
Page 51: ...47 Others Memo ...
Page 80: ...4 2 Power Supply Block Diagram Fig 3 4 2 ...
Page 82: ...Fig 3 4 5 4 3 3 Front Display Power Switch Block Diagram ...
Page 84: ...Fig 3 4 7 4 4 2 Logical System Block Diagram ...
Page 85: ...4 5 Output Block Diagram Fig 3 4 8 ...
Page 88: ...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 95: ...Fig 3 5 5 5 3 2 Main Circuit Diagram ...
Page 96: ...5 3 2 Main Circuit Diagram ...
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Page 103: ...Fig 3 5 5 ...
Page 105: ...Fig 3 5 6 10 1 3 4 A B C D E G 2 5 6 7 8 9 F 11 H 5 4 Output Circuit Diagram ...
Page 115: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 6 6 EU01 Main PC Board Top pattern character symbol ...
Page 125: ......