10
KDV-C810/C820/C830
/C840/C860
TIMING CHART OF MECHANISM OPERATION
Disc change operation (for operation to out of
DISC1 playback after change to DISC2).
If disc change command is received, the playback disc under
present will be returned to the magazine pack. After that, the
selected disc is pulled out of the magazine pack and disc
tray is carried out.
1, LOAD+ (IC301, 1PIN) is set to L, LOAD- (IC301, 2PIN) is
set to H, and DISC1 tray is returned to a magazine pack.
2, LOADING MOTOR (VM3) is driven until LOAD OUT SW
(SW1 : IC301, 28PIN) is set to L.
3, ELV+ (3PIN) and ELV- (4PIN) are set to H, and elevator
operation is made to STOP.
4, After checking DISCC (31PIN), and carries out DISC2 po-
sition detection (PHT1).
5, Check (PHT1) DISC2 position detection of the DISCC
(31PIN) is carried out.
6, ELV+ (3PIN) and ELV- (4PIN) are set to H, and elevator
operation is made to STOP.
7, LOAD+ (IC301, 1PIN) is set to H, LOAD- (IC301, 2PIN) is
set to L, and DISC2 tray is pulled out from a magazine
pack.
8, LOADING MOTOR (VM3) is driven until CLAMP SW
(SW302 : IC301, 29PIN) is set to L.
9, LOAD+ (IC301, 1PIN) and LOAD- (IC301, 2PIN) are set to
H, and loading operation is made to STOP.
ELV +
(IC301 3pin)
ELV -
(IC301 4pin)
LOAD +
(IC301 1pin)
LOAD -
(IC301 2pin)
LOAD OUT SW
(SW1 , IC301 28pin)
CLAMP SW
(SW302 , IC301 29pin)
MAG SW
(SW5, IC301 64pin)
DISC UNLOADING
ELEVATOR
DOWN
DISC LOADING
L
H
L
L
H
L
H
L
H
H
L
H
H
L
H
L
H
L
L
H
H
H
L
H
H
L
L
L
Timing chart 3
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