52
2.R4 Mechanism employs PWM (Pulse Width Motor) as Capatan Motor Drive Signal in REC or PLAYBACK mode
To improve power consumption value, R4-Mechanism uses PWM signal as Capstan Motor drive signal instead of Linear driving
signal which is used in Z-Mechanism.
Fig.MD1
PWM CAPSTAN MOTOR DRIVE
Z-Mechanism (Linear drive signal)
R4-Mechanism (PWM drive signal)
CAPSTAN MOTOR DRIVING SIGNAL
ADVANTAGE OF PWM DRIVE
PWM drive turns on the Transistors for half time of duty.
In other than above time, motor is driven with the reverse
electromotive force.
A3
A2
A1
B2
B1
B3
ON / OFF
Always ON
Half wave
Full wave
Содержание NV-HV61EE
Страница 20: ...3 1 2 DETAIL OF DISASSEMBLY METHOD 1 REMOVAL OF THE TOP PANEL Remove 2 Screws A Remove 2 Screws B Fig D2 20 ...
Страница 21: ...2 REMOVAL OF THE BACK PANEL Remove 2 Screws C Remove Screw D Unlock 4 Tabs E Fig D3 21 ...
Страница 29: ...10 2 CASING PARTS SECTION 29 ...
Страница 30: ...10 3 PACKING PARTS SECTION 30 ...
Страница 31: ...11 REPLACEMENT PARTS LIST 31 ...
Страница 41: ...C4537 ECJ2VC1H560G CHIP CAPACITOR 41 ...
Страница 44: ...D2002 B0AAED000003 DIODE 44 ...
Страница 47: ...Q1152 2SC3311ASA TRANSISTOR 47 ...
Страница 49: ...R1502 ERJ3GEYJ273V CHIP RESISTOR 49 ...
Страница 54: ...W519 ERJ3GEY0R00V CHIP JUMPER 54 ...
Страница 109: ...4 1 3 PARTS NAME OF R4 MECHANISM Fig M2 ...
Страница 139: ...34 ...