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3-5
A
RESET or Power On.
NO
NO
YES
NO
YES
NO
YES
YES
B
NO
NO
NO
YES
YES
NO
NO
YES
YES
YES
Show LOGO?
Flash Memory operates
properly?
Check connection lines between FLASH
& MT1389 and the FLASH access time
whether is suitable or not.
SDRAM works properly?
Check connection lines between
SDRAM & MT1389 and the SDRAM
is damaged.
MT1389 VIDEO outputs
properly?
Check the related circuit of MT1389.
Have TV signal output?
Check the filtering and amp circuit of
TV signal.
Check AV cable connection
to TV set.
Does Tray move
inside when it is not
at closed position?
Normal TROUT &
TRIN signals?
Check the load OPEN & CLOSE
switch
Normal TRCLOSE &
TROPEN signal?
Normal LOAD+ &
LOADsignal?
Check the cable connection
between main PCBA and loader.
Check the Tray control IO pins on
MT1389 & IP4504.
Check the Tray control amplifying
circuit on Motor driver.
Содержание T514C
Страница 21: ...3 12 2 SDRAM CLOCK 3 TRAY OPEN CLOSE SIGNAL FIG 2 1 FIG 3 1 ...
Страница 23: ...3 14 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION FIG 6 1 7 DISC TYPE JUDGEMENT WAVEFORM FIG 7 1 ...
Страница 24: ...3 15 FIG 7 2 DVD FIG 7 3 CD ...
Страница 25: ...3 16 FIG 7 4 CD 8 FOCUS ON WAVEFORM FIG 8 1 DVD ...
Страница 26: ...3 17 FIG 8 2 CD FIG 9 1 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION ...
Страница 27: ...3 18 10 TRACKING CONTROL RELATED SIGNAL System checking FIG 10 1 DVD FIG 10 2 CD ...
Страница 29: ...3 20 13 MT1389 AUDIO OUTPUT TO AUDIO DAC ASDATA3 2 COMPOSITE VIDEO SIGNAL FIG 12 2 FIG 13 1 ...
Страница 30: ...3 21 14 AUDIO OUTPUT FROM AUDIO DAC FIG 14 1 ...
Страница 37: ...3 29 3 30 2 AV JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 38: ...3 31 3 32 A B C D E F G H I J K L M N O P Q R S T 3 SYSTEM CIRCUIT DIAGRAM ...
Страница 39: ...3 33 3 34 4 DRIVER CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T CD DVD LD will not on ...
Страница 41: ...6 5 1CH SCART CIRCUIT DIAGRAM T524 MODEL ONLY A B C D E F G H I J K L M N O P Q R S T 3 37 3 38 ...
Страница 43: ...3 41 3 42 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 44: ...3 43 3 44 2 KEY P C BOARD 3 TIMER P C BOARD Solder Side Solder Side ...
Страница 45: ...3 45 3 46 4 JACK 5 1CH I O P C BOARD OPTIONAL PART 5 SMPS P C BOARD Solder Side Solder Side ...
Страница 52: ......
Страница 53: ......