4-25
MECHANISM TROUBLESHOOTING GUIDE
No tape winding is done in
play.
Is the pinch roller attached to the
Capstan shaft in operation of play?
Check the assembly mode?
Does the T/up reel operate?
Hang the Capstan belt.
Is the Capstan belt hung?
Does the drum motor turn?
Is the DPG, DFG normal?
Are the T/up and the reel sensor
normal?
Check the Syscon circuit.
Check the Syscon circuit.
Check the Syscon circuit.
Does the Capstan motor turn?
Is the Vctl terminal voltage of the
drum motor at more than 2.3V?
Replace the drum motor.
Is the Vcc voltage of the drum
motor normal?
Check the clutch and the idler
assembly.
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Is the Vctl terminal voltage of
the Capstan motor applied at
more than 4V?
Replace the Capstan motor.
Is normal voltage applied to the
capstan motor Vcc1, Vcc2?
YES
YES
YES
Check the Servo, power circuit.
NO
NO
NO
E.
Содержание SD-V55HTSU
Страница 1: ...SERVICE MANUAL DVD VCR Home Theater System FILE NO 810 200425 SD V55HTSU SD V55HTSC ...
Страница 55: ...1 54 P NO 3834RH0033S ...
Страница 58: ...2 3 955 956 957 954 953 952 951 961 962 960 958 A900 2 Woofer Speaker Section V55HTW ...
Страница 59: ...2 4 751 754 755 757 760 758 759 756 753 752 A700 3 Speaker Center Section V55HTC ...
Страница 60: ...2 5 851 852 853 856 854 855 858 859 860 861 857 A800 4 Speaker Rear Front Section V55HTS ...
Страница 93: ......
Страница 99: ......
Страница 101: ......
Страница 131: ...6 30 ...
Страница 161: ...6 60 ...
Страница 162: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...