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Sanyo PDG-DXL2000 - No Picture

Sanyo PDG-DXL2000
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-40-
Troubleshooting
No Picture
Check following steps.
No picture with all of in-
put sources
Check signal processing stage and DMD driving stage;
Check IC401 <DLP Data Processor>, IC2501 <DMD Power&Motor Drive>,
IC3501 <DMD Power&Reset Drive>
or DMD module and peripheral cir-
cuits.
No picture with PC2
[Analog RGB] input
source only
Check IC8201 <A/D Converter> and peripheral circuit.
The R2_IN, G2_IN, B2_IN, H2_IN,V2_IN signals are applied to pins
10, 100, 17, 82, 79.
Check PC/AV source selecting stage and processing stage;
Check IC8201 <A/D Converter> and IC401 <DLP Data Processor>
and peripheral circuit.
No picture with all of
computer input sources
Yes
Yes
No
No
No
No
Check AV source selecting and decoding stage;
Check IC8201 <A/D Converter> and IC401 <DLP Data Processor> and
peripheral circuit.
S-Video source
Check S-video signal (Y/C).
SC_IN signal is applied to pin 9 of IC8201, and SY_IN signal is applied on pin
98 of IC8201.
Composite video source
Check composite video signal (Video).
The CVBS signal is applied to pin 16 of IC8201.
The SCART_CV signal is applied to pin 97 of IC8201.
No picture with video in-
put sources
Yes
Check IC8201 <A/D Converter> and peripheral circuit.
The R1_IN, G1_IN, B1_IN, H1_IN,V1_IN signals are applied to pins
11, 2, 18, 81, 78.
No picture with PC1 [An-
alog RGB] input source
only
Yes

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