Denon D-107 Service Manual page 15

Q Q
3 7 6 3 1 5 1 5 0
1 2
Loader Mecha Timing Chart
Timing Chart when close
49 pin
DISC_SW
50 pin
12cm_SW
46 pin
CLOSE_SW
IC101
47 pin
µcom
OPEN_SW
Input
43 pin
Port
IN_SW
(Retract Position)
44 pin
CLAMP_SW
(Clamp Position)
45 pin
OUT_SW
(Eject Position)
33 pin
T E
DISC_DOWN
L 1 3 9 4 2 2 9 6 5 1 3
54 pin
Holder Motor (up)
(F. IN)
IC101
53 pin
µcom
Holder Motor (down)
(R. IN)
Output
Port
56 pin
Door Motor (open)
(FWD)
57 pin
Door Motor (close)
(REV)
Holder
w w w
CLAMP_SW→
.
Door
3
1 sec.
Hi
Descends holder after 1sec. when
↑ 1. Disc Detect
Lo
DISC_SW(H) and 12cm_SW (L)
Hi
conditions are satisfied.
Lo
↑ 1. Disc Detect Defines as 8cm disc insertion in case of
Hi
DISC_SW(H) and 12cm_SW (H), and
repeats holder up/down 10 times.
Lo
Hi
Lo
Hi
Lo
Hi
Lo
Hi
Lo
↑ 2. Holder Down Start
Hi
DISC_DOWN signal: Voltage control terminal
Lo
of holder motor which becomes "H" when
Hi
descending holder (disc) and "L" when others.
Lo
Hi
Lo
↑ Holder Down (While CLAMP_SW: Lo)
Hi
Lo
Hi
Lo
1. Disc Down Section (open corrective period)
(Monitor timer: 6sec.)
OUT_SW→ OUT_SW→ OUT_SW→
Holder Position
Detect Shutter
CLAMP_SW→ CLAMP_SW→
IN_SW→
IN_SW→ IN_SW→
x a o
y
Door Position
Detect Shutter
i
OPEN_SW→
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8
4 5
↑ 7. Door Close Stop
↓ 6. Door Close Start (pulse open 4 times + door open)
↓ 5. Holder Slowdown End (pulse decline stop)
↑ 3. Holder Down Stop
↑ 4. Holder Slowdown Start (pulse decline start)
Q Q
3 7 6 3
↑ 20msec, 20msec Pulse Decline (while CLAMP_SW: Hi)
↑ STOP
↑ BRAKE (80msec)
↑ STOP
↑ Close with 20msec, 20msec Pulse (4 times)
↑ Door Close (while CLOSE_SW: Lo)
↑ STOP
↑ 50msec Wait
↑ BRAKE (200msec)
2. Slowdown Period 3. Door Close
(Monitor timer: 2sec.) (Monitor timer: 5sec.)
Close Monitor Timer: 12sec.
* When monitor time-out, it reverts to open motion
OUT_SW→
CLAMP_SW→
IN_SW→
u 1 6 3
CLOSE CLOSE .
OPEN_SW→
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2 4
9 9 8
6 7
↓ 9. Holder Retract End (pulse decline stop)
↑ 8. Holder Retract Start (pulse decline start)
1 5 1 5 0 8 9 2 4
↑ 10msec, 10msec Pulse Decline (while IN_SW: Lo)
↑ STOP
4. Retract Section
(Monitor timer: 2sec.)
m
c o
D-107
2
9 9
8
A
B
9 8 2 9 9
C
D
E
15