
3-12
3. Y/C CIRCUIT
(2) When the Y(Luminance) signal doesn’t appear on the screen in PB Mode,
Is 5.2VT, 5.3VA applied to the
IC301 Pins22, 47, 60, 84?
Is the Y/C Bus siganl
applied to the IC301
Pins73, 74?
Does the normal RF signal
appear at the IC301 Pin 6?
Check the SW 5V Line.
(Power Circuit)
Check the System Circuit.
(IC501 Pin18)
Check the V.H.S/W level.
(Check R328)
Check the IC301
Refer to ‘SYSTEM I
2
C BUS
CHECK Trouble Shooting’.
Is the V.H.S/W signal
applied to the IC301 Pin70?
Is V.H.S/W “H” about 3.4V
at the IC301 Pin 80?
Clean the Drum.
Check the path of the
Y(Luminance) RF signal.
(C337, C340)
Does the Y(Luminance)
signal appear at the IC301
Pin9?
Is the Y(Luminance) Video
waveform showed up at the
IC301 Pin43?
Replace the IC301.
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
Содержание SD-K530SU
Страница 1: ...SERVICE MANUAL DVD VIDEO PLAYER VIDEO CASSETTE RECORDER FILE NO 810 200409 SD K530SU ...
Страница 52: ...P NO 3834RV0004G Printed in Indonesia 1 51 ...
Страница 82: ...3 34 3 35 2 POWER SMPS CIRCUIT DIAGRAM 2 ...
Страница 83: ...3 36 3 37 3 TU IF CIRCUIT DIAGRAM PB REC ...
Страница 86: ...3 42 3 43 6 JACK CIRCUIT DIAGRAM ...
Страница 88: ...3 46 3 47 8 TIMER CIRCUIT DIAGRAM ...
Страница 91: ...3 52 3 53 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 92: ...2 MAIN P C BOARD LOCATION GUIDE 3 54 3 55 ...
Страница 94: ...3 58 3 59 4 KEY P C BOARD 5 TIMER P C BOARD ...
Страница 99: ......
Страница 101: ...3 87 3 88 2 RF DSP SERVO CIRCUIT DIAGRAM CD DVD LD will not on ...
Страница 102: ...3 89 3 90 3 AV JACK CIRCUIT DIAGRAM ...
Страница 105: ......
Страница 106: ......
Страница 125: ...3 78 13 MT1379 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS IC604 PIN 23 FIG 13 1 2 Y IC604 PIN 21 FIG 13 2 ...
Страница 126: ...3 79 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 127: ...3 80 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 14 2 ...
Страница 159: ......
Страница 165: ......
Страница 167: ......
Страница 187: ...6 20 ...
Страница 188: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...