- 2-11 -
YES
NO
YES
YES
D
NO
NO
NO
YES
NO
E
YES
Normal TEO Signal on
MT1389?
Check the related
circuit on MT1389
Track On OK?
Properly TRSO signal
on MT1389?
T+ & T- output
properly?
Check the TRSO
connection on MT1389
and motor dirver.
Check the tracking control
amp circuit on motor
driver.
Check cable connection on
pick-up head.
Disc is play ?
Check RFO & RFLVL signal waveform.
NO
NO
YES
YES
YES
Focus ON OK?
Proper signals on
A,B,C,D of MT1389
Check connections between
MT1389 and pick-up head.
Check FEO signal
on MT1389
Check FOSO signal on MT1389
Check the FOSO connection on
MT1389 and motor driver.
YES
NO
Содержание DVT654
Страница 9: ...2 3 3 FRONT CIRCUIT 1 2 PIN104 Pins PIN 27V PIN 6 18V PIN7 22V PIN 5V...
Страница 21: ...2 15 FIG 2 1 FIG 3 1 2 SDRAM CLOCK 1 MT1389 main clock is at 27MHz X601 3 TRAY OPEN CLOSE SIGNAL...
Страница 23: ...2 17 FIG 6 1 FIG 7 1 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 7 DISC TYPE JUDGEMENT WAVEFORM...
Страница 24: ...2 18 FIG 7 2 DVD FIG 7 3 CD...
Страница 25: ...2 19 FIG 7 4 CD FIG 8 1 DVD 8 FOCUS ON WAVEFORM...
Страница 26: ...2 20 FIG 8 2 CD FIG 9 1 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION...
Страница 27: ...2 21 10 TRACKING CONTROL RELATED SIGNAL System checking FIG 10 1 DVD FIG 10 2 CD...
Страница 29: ...2 23 ADAT0 3 FIG 12 2 FIG 13 1 2 COMPOSITE VIDEO SIGNAL 13 MT1389 AUDIO OUTPUT TO PWM IC...
Страница 30: ...2 24 FIG 14 1 14 AUDIO OUTPUT FROM PWM IC...
Страница 31: ...2 25 WIRING DIAGRAM...
Страница 38: ...SMPS 2 SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T 2 33 2 34...
Страница 39: ...2 35 2 36 MICOM SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 40: ...2 37 2 38 I O SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 41: ...2 39 2 40 AMP SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 42: ...2 41 2 42 FRONT SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 43: ...2 43 2 44 H PHONE SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 44: ...2 45 2 46 AV2 SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 45: ...2 47 2 48 DVD PART SCHEMATIC DIAGRAMS MPEG SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 46: ...2 49 2 50 DSP SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 47: ...2 51 2 52 SERVO SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Страница 48: ...3 53 3 54 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD TOP SIDE...
Страница 49: ...3 55 3 56 MAIN P C BOARD BOTTOM SIDE...
Страница 50: ...2 57 2 58 FRONT P C BOARD TOP SIDE FRONT P C BOARD BOTTOM SIDE...
Страница 57: ......
Страница 59: ......
Страница 60: ...4 1 SECTION 4 SPEAKER PART 1 WOOFER SPEAKER SECTION MODEL LHS 75SGW 952 959 953 954 955 958 957 950 A900 951...
Страница 61: ...4 2 2 SPEAKER CENTER SECTION MODEL LHS 75SGC A700 750 751 753 756 754 758 759 756 755...
Страница 62: ...4 3 3 SPEAKER REAR FRONT SECTION MODEL LHS 75SGS A800 851 853 850 857 856 858 854 855 859...
Страница 63: ......
Страница 87: ......
