3-56
A
B
RESET or Power On.
Show LOGO?
Flash
Memory operates
properly?
Check connecti on lines between FLASH
& MT1379 and the FLASH access time
whether is sui table or not.
SDRAM
works properl y?
MT1379
VIDEO outputs
properly?
Have
TV signal output?
Check AV cable
connection to TV set .
Check the load OPEN &
CLOSE switch
Check the Tray control IO pins
on MT1376 & MT1379.
Check the Tray control amplifying
circuit on Motor driver.(IC202)
Does
Tray move inside
when it is not at
closed position?
Normal
TROUT & TRIN
signals?
Normal
TRCLOSE &
TROPEN signal?
Normal
LOAD+ & LOAD-
signal ?
Check the cable connection between
main PCBA and loader. (MECHA)
Check connection lines between
SDRAM(IC502,IC503) & MT1379 and the
SDRAM is damaged.
Check the rel ated ci rcui t of MT1379.
(IC501 PIN 161,166, 168 check)
Check the fi l teri ng and amp ci rcui t of
TV si gnal .(IC604)
Содержание DVD755VR
Страница 8: ...Directions for Use ...
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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 ...
Страница 67: ......
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 ...
Страница 93: ......
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 ...
Страница 100: ...3 91 3 92 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 101: ......
Страница 133: ...MEMO ...
Страница 134: ...EXPLODED VIEW 1 Deck Mechanism Exploded View 5 1 CONTENTS SECTION 5 MECHANISM OF DVD PART ...