3-12
3. Y/C CIRCUIT
(3) When the C(Color) signal doesn’t appear on the screen in PB Mode,
Is 5.0VT/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 5.0VT/
5.3VA Line. (Power Circuit)
Replace the X301.
Check the Color Pass.
Check the Color Rotary
Circuit. (IC501 Pin98 )
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 DVP3350V
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Страница 45: ...3 37 3 38 5 SCART JACK CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ...
Страница 52: ...3 51 3 52 IC301_LA71750EM IC801_TDA9605H IC501_MN101D10X IC751_MSP3417 3407 ...
Страница 53: ...3 53 3 54 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE ...
Страница 54: ...3 55 3 56 2 MAIN P C BOARD BOTTOM SIDE 2 MAIN P C BOARD BOTTOM SIDE ...
Страница 56: ...3 59 3 60 4 KEY P C BOARD ...
Страница 57: ...3 61 3 62 ...
Страница 68: ...3 73 2 Tray open waveform FIG 3 2 3 Tray close waveform FIG 3 3 OPEN CLOSE LM LM OPEN CLOSE LM LM ...
Страница 71: ...3 76 FIG 7 2 DVD FIG 7 3 CD FACT FACT FE FE SBAD SBAD ...
Страница 72: ...3 77 FIG 7 4 CD 8 FOCUS ON WAVEFORM FIG 8 1 DVD FE FOSO FACT FACT FACT FE SBAD ...
Страница 73: ...3 78 FIG 8 2 CD 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION DVD FIG 9 1 FOCUS FACT SPINDLE_S SP SP FE FACT ...
Страница 75: ...3 80 11 RF WAVEFORM FIG 11 1 12 ZR36882 AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF FIG 12 1 RFO SPDIF ...
Страница 76: ...3 81 13 ZR36882 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS FIG 13 1 2 Y FIG 13 2 JK702 pin6 JK702 pin7 ...
Страница 77: ...3 82 14 AUDIO OUTPUT FROM AUDIO DAC 1 AUDIO L R FIG 14 1 3 C FIG 13 3 JK702 PIN8 JK702 PIN4 5 1KHz 0DB ...
Страница 78: ...3 83 2 Audio Related Signal FIG 14 2 AOUT0 ABCK ALRCLK ...
Страница 83: ...3 89 3 90 2 SERVO CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ...
Страница 84: ...3 91 3 92 3 AV JACK CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ...
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