3-14
3. Y/C CIRCUIT
(4) When the Video signal doesn’t appear on the screen in REC Mode,
Is the EE signal normal?
Is 5.2VT/5.3VA applied to the
IC301 Pins24,42,55,72,91?
Does the RF signal appear
at the IC301 Pin78?
Check EE Mode.
Check the System of REC
‘H’. (the IC501 Pin47
/ the D301)
Replace the IC301.
Check the line of the 5.2VT/
5.3VA Line.(Power Circuit)
Check PB Mode.
Is the REC ‘H’ signal
(about 4V) applied to the
IC301 Pin80?
Check the circuit of the
IC301 Pins85, 86.
Check REC Luminance
Pass & Color Pass.
Does PB Mdoe operate
normally?
Does the REC RF signal
appear at the IC301
Pins88,89,94,95?
Check the Drum &
Drum Connector
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
Summary of Contents for DVD755VR
Page 8: ...Directions for Use ...
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Page 26: ...Personal Notes ...
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Page 56: ...3 32 3 33 2 TU IF NICAM A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO COMBI SCART ...
Page 59: ...3 38 3 39 5 SCART JACK CIRCUIT DIAGRAM OPTIONAL PART COMBI SCART ...
Page 61: ...3 42 3 43 7 TIMER CIRCUIT DIAGRAM ...
Page 65: ...3 50 3 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Page 66: ...3 52 3 53 2 SMPS P C BOARD LOCATION GUIDE 3 TIMER P C BOARD LOCATION GUIDE 4 KEY P C BOARD ...
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Page 96: ...3 83 3 84 3 AUDIO CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17447A ...
Page 97: ...3 85 3 86 4 AV JACK CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17446A ...
Page 100: ...3 91 3 92 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
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Page 133: ...MEMO ...
Page 134: ...EXPLODED VIEW 1 Deck Mechanism Exploded View 5 1 CONTENTS SECTION 5 MECHANISM OF DVD PART ...