Daewoo DV4K611DZ-T, Service Manual

Page: 12 / 71

11
CIRCUIT OPERATION
1-2) TIME LAPSE RECORDING METHOD
The numbers of VHS 2HOUR (SP), 6HOUR (LP) REC FIELD are 50 field/sec, then it will be 1FRAME =
33.3Ms, 1FIELD = 16.65Ms.
CAPSTAN MOTOR FG numbers for Time Lapse are 6HOUR(EP) = 720 numbers/sec, 3HOUR(SP) =
720*3=2160 numbers/sec.
u
u-COM controls capstan motor (C I LIMIT) with capstan motor FG numbers. DRUM HEAD ON/OFF
controlled by HEAD AMP SW & REC mute signal.
u
u-COM controls capstan motor (C I LIMIT) with capstan motor FG numbers. DRUM HEAD ON/OFF
controlled by HEAD AMP SW & REC mute signal.
L R L R L R L R L R L R L
16.65ms
18H(EP) RECORDING (20FIELD/SEC)
3H & 6H (50FIELD/SEC)
L R L R L
33.3ms
18H (16.7FIELD/SEC) : Recording 1 field per 3 fields
(Capstan FG numbers are ; 1SEC:720=33.3ms:X X=25)
(Capstan FG numbers are ; 1SEC:720=16.65ms:X X=12)
L R L R L R L R L R L R L R L R L R L R L R L R L
16.65ms
48H(SP) RECORDING (3Field/SEC)
: recording 1 field per 16 fields
L R
16.65ms*15=249.7ms
18H (20FIELD/SEC) : Recording 1 field per 3 fields
(Capstan FG numbers are ; 1SEC:2160=249.7ms:X X=539)
(Capstan FG numbers are ; 1SEC:2160=16.65ms:X X=12)