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ENGLISH
#1 Parallel Remote Control Port
(PARALLEL)
This is a parallel remote connector.
Applicable connector : 25-pin D-sub (male)
Connecting signal layout
NOTE : All input is active low.
Pin No.
Signal Name
1 FG
I / O
_
2 TWIN REC I
3
A REWIND I
4
B FAST FORWARD I
5 DUBBING HIGH I
6 B REWIND I
7 A PLAY FORWARD I
8
A PLAY REVERSE I
9 A REC I
10 B COUNTER RESET I
11
B PLAY FORWARD I
12
B PLAY REVERSE I
13 A COUNTER MEMO I
1. Circuit Diagram
L
_
CH
φ3.5 STEREO MINI PLUG
R
_
CH
GND
SW102
SW101
SW001 SW002 SW003 SW004 SW005 SW006 SW007 SW008
STOP
PAUSE
F
_
PLAY R
_
PLAY
DECK A/B
FF REW REC/
REC MUTE
GND
R001
200 Ω/ohms
R002
30 Ω/ohms
R003
43 Ω/ohms
R004
62 Ω/ohms
R005
110 Ω/ohms
R006
160 Ω/ohms
R007
270 Ω/ohms
R008
560 Ω/ohms
First Unit
Second and Subsequent Units
L-CH : Vcc (5 VOLT)
R-CH : SIGNAL
SW001 ~ 008 : Momentary Contact
SW101, 102 : Toggle Switch
SW 008 DECK A/B
DECK SELECTOR button
Press this button to select either
Deck A or Deck B to be controlled.
• Do not connect the left channel of the plug (Vcc) with R001 (200 Ω/ohms) in the second and subsequent units.
• Use resistors having a tolerance of with ±5%.
Use of resistors having a poorer tolerance will cause incorrect operation.
• Never short circuit the left-channel line (Vcc). Doing so will damage the main unit.
2. Operation with Parallel Connections
A number of DN-780R units can be simultaneously operated in parallel with 1 button.
Operation with parallel connections can be used with a maximum of 5 units.
Connection of 6 or more units will lead to indicator operation.
3. Cable Length
The longer the length of the cable, the more susceptible the system will be to the effects of external noise.
Keep cable lengths to 2 m or less.
Do not locate equipment that produces electrical noise in the vicinity of the cable.
Doing so might lead to incorrect operation due to the noise.
4. Do not disconnect or connect the remote control plug during operation of the unit.
The pins of the plug might cause a short circuit of the pins inside the jack which can stop the operation.
5. Pressing more than one button of the wired remote control box at the same time (for combined operations)
is not possible.
A music search operation will not result from pressing the Play (1) and Fast Forward (7), or Play (0) and
Rewind (6) buttons at the same time.
6. Pressing a button of the wired remote control box and a button of the main unit, DN-780R, (for combined
operations) is not possible.
Note on Connecting the Remote Control Box
When multiple sets are connected to a single remote control box, the other sets may operate erroneously
when this set’s power is turned on off or when the cord is connected or disconnected from the remote control
jack.
Turn off the remote control box’ toggle switched (SW101, 102, ...) when turning this set’s power on or off or
when connecting or disconnecting the cord from the remote control jack while other sets are connected to the
remote control box.
#2 RC IN control Jack
This is a stereo mini jack for wired remote control.
Pin No.
Signal Name
14
I / O
_
15 A COUNTER RESET I
16 B COUNTER MEMO I
17 REVERSE MODE I
18 B REC I
19 A REC PAUSE I
20 A STOP I
21 DUBBING NORMAL I
22 Command common
_
23 B REC PAUSE I
24 B STOP I
25 A FAST FORWARD I
3
22
4
22
5
22
7
22
8
22
A 6
2
22
TWIN RECB 7
DUBBING HIGH
6
22
B 6
A 0
A 1
13
22
15
22
16
22
18
22
19
22
A MEMO
12
22
B 0A RESET
B MEMO
23
22
24
22
25
22
B 3
21
22
DUBBING NORMALB 2
A 7
17
22
REV. MODE
A 3
20
22
A 2
B 4
A 4
B RESET
B
1
1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
18
19
20
21
17
24
25
22
23
Use the connection example in the diagram below as reference for connecting a parallel remote controller
to the DN-780R.