1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
1
VOX Amplification ltd.
1 Harrison Close
Knowlhill
Milton Keynes
Bucks, MK5 8PA
1
ErP Solution for NT's
ISS5
10/07/2013
08:52:05
V:\Altium\ERP\NT ErP v2 ISS5.SchDoc
Title
Size:
Number:
Date:
File:
Revision:
Sheet
of
Time:
A3
Author:
Checked By:
D Clarke
E Tomiyama
Issue
Reason for change
Date
Revised by
POWER TOGGLE (ON)-OFF-(ON)
P3
1/4" Spade
-15V
P6
1/4" Spade
Q3
2N3904
PWR_CONTROL
P5
1/4" Spade
P4
1/4" Spade
P2
1/4" Spade
P1
1/4" Spade
K1
GND
PWR_CONTROL
SW2
SEE PLUS SLIDE
GND
R10
1K
DFX MIDI RXD (P6 Pin2)
ErP
Disabled
Enabled
1
3
2
CHASSIS EARTH
L
E
N
TO PRIMARY OF MAIN TX
R7
91R
GND
R11
1K
+8V
1
2
P8
Header 2
-15V
+8V
FROM MAIN PCB (P40)
TO DFX
DFX MIDI TXD (P6 Pin3)
Q2
2N3906
R6
1K
R12
10K
NT15: 10K
NT50: 4k7
R13
R2
10K
P10
1/4" Spade
D15
Diode 1N4148
D1
D3
Diode 1N4007
PRIGND
PRIGND
1
4
2
3
S1
K817P
R21
47K 5W
SW1
APEM 637H-1
SAFETY CRITICAL COMPONENT
REPLACE ONLY WITH THE SAME
TYPE & RATING
IF IN DOUBT CONTACT SUPPLIER
!
!
!
!
!
ON
OFF
1
2
3
P7
Header 3 - Wide
DFX MIDI GND (P6 Pin4)
GND
R3
1K
R1
1K
GND
Q1
2N3904
D4
Diode 1N4148
R4
10K
GND
C3
NT50: 100K
NT15: Link
R14
NT15: 1uF 6.3V
NT50: 2.2uF 6.3V
C13
5
K1 Spec Changed, R7 Value changed to increase current
10/07/13
DC
Содержание Night Train 15C1
Страница 2: ......
