3-13
3. Y/C CIRCUIT
(3) When the C(Color) signal doesn’t appear on the screen in PB Mode,
Is 5.2VT/5.3VA applied to the
IC301 Pins24, 42, 55, 72, 91.
Is the Color Rotary signal
applied to the IC301
Pin70?
Check the line of the 5.2VT/
5.3VA Line. (Power Circuit)
Replace the X301.
Check the Color Pass.
Check the Color Rotary
Circuit. (IC501 Pin99 )
Check the Color Rotary
level. (Check the R303)
Does the X301(4.43MHZ)
oscillate?
Replace the IC301.
Does the Color signal
appear at the IC301 Pin21?
Is Color Rotary “H”
about 3.4V?
Replace the IC301.
NO
NO
NO
YES
YES
YES
YES
NO
NO
NO
YES
Does the Color signal
appear at the IC301
Pin25 ?
Содержание DVD755VR
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Страница 26: ...Personal Notes ...
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Страница 56: ...3 32 3 33 2 TU IF NICAM A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO COMBI SCART ...
Страница 59: ...3 38 3 39 5 SCART JACK CIRCUIT DIAGRAM OPTIONAL PART COMBI SCART ...
Страница 61: ...3 42 3 43 7 TIMER CIRCUIT DIAGRAM ...
Страница 65: ...3 50 3 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 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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Страница 87: ...3 73 3 C IC604 PIN 26 FIG 13 3 14 AUDIO OUTPUT FROM AUDIO DAC 1 Audio L R FIG 14 1 JK601 PIN 4 5 ...
Страница 88: ...3 74 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 14 2 ...
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Страница 95: ...3 81 3 82 2 RF DSP SERVO CIRCUIT DIAGRAM CD DVD LD will not on COMBI SCART MTK 03 3 25 SR17445A ...
Страница 96: ...3 83 3 84 3 AUDIO CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17447A ...
Страница 97: ...3 85 3 86 4 AV JACK CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17446A ...
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Страница 133: ...MEMO ...
Страница 134: ...EXPLODED VIEW 1 Deck Mechanism Exploded View 5 1 CONTENTS SECTION 5 MECHANISM OF DVD PART ...