Denon D-107 Service Manual page 16

Q Q
3 7 6 3 1 5 1 5 0
1 2
Loader Mecha Timing Chart
Timing Chart when open
49 pin
DISC_SW
50 pin
8cm_SW
46 pin
CLOSE_SW
IC101
µcom
47 pin
OPEN_SW
Input
Port
43 pin
IN_SW
(Retract Position)
44 pin
CLAMP_SW
(Clamp Position)
45 pin
OUT_SW
(Eject Position)
33 pin
DISC_DOWN
T E
L 1 3 9 4 2 2 9 6 5 1 3
54 pin
Holder Motor (up)
(F. IN)
IC101
µcom
53 pin
Holder Motor (down)
Output
(R. IN)
Port
56 pin
Door Motor (open)
(FWD)
57 pin
Door Motor (close)
(REV)
Holder
w w w
Door
.
CLOSE_SW→
3
↓ Open Key Press
Hi
Lo
Hi
Lo
Hi
Lo
↑ 4. Door Open Start
Hi
Lo
Hi
Lo
↓ 3. Door Pulse Open Start (pulse open)
↓ 2. Holder Receiving End (pulse rise stop)
Hi
Lo ↑ 1. Holder Receiving Start (pulse rise start)
Hi
Lo
Hi
Lo
Hi
Lo
Hi
Lo
↑ 20msec, 10msec Pulse Rise (while CLAMP_SW: Hi)
(10msec BREAK)
Hi
Lo
Hi
Lo
↑ 20msec, 20msec Pulse Open (while CLAMP_SW: Hi, or 15 times)
↑ Door Open (while OPEN_SW: Lo)
1. Receiving Period 2. Door Open Section
(Monitor timer: 2sec.) (Monitor timer: 5sec.)
OUT_SW→
CLAMP_SW→
IN_SW→
x a o
y
OPEN
OPEN_SW→
OPEN_SW→
i
CLOSE_SW→
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8
4 5
↑ 5. Door Open Stop
↑ 6. Holder Up Start
Q Q
3 7 6 3
↑ Holder Up (while OUT_SW: Lo)
↑ STOP
3. Disc Up Section (open corrective period)
(Monitor timer: 6sec.)
Close Monitor Timer: 12sec.
* It stops when monitor time-out
OUT_SW→ OUT_SW→
CLAMP_SW→ CLAMP_SW→
IN_SW→ IN_SW→
u 1 6 3
OPEN
OPEN_SW→
.
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2 4
9 9 8
6 7
↓ Unload Disc
↑ 7. Holder Up End
1 5 1 5 0 8 9 2 4
↑ STOP
↑ BREAK (200ms)
↑ STOP
↑ STOP
4. Open Finish Section
m
c o
D-107
2
9 9
8
A
B
9 8 2 9 9
C
D
E
16