Nexo NXAMP 4X4 Service Manual

2
3
5
6
11
10
14
13
15
1
G
A/B
4B
4A
3B
3A
2B
2A
1B
1A
4
7
9
12
1Y
2Y
3Y
4Y
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
V
CC
G
4A
4B
4Y
3A
3B
3Y
1
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
3Y
3A
2A
1A
VCC
6A
5A
4A
6Y
5Y
4Y
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
C
C
TG
C
C
C
C
C
C
TG
C
C
TG
TG
PRE
7
CLK
1
D
2
CLR
6
Q
5
Q
3
Tab internally
connected to
SOURCE pin
7D
5F
1C
2L
3X 4S
CURRENT
LIMIT
ADJUST
STOP LOGIC
STOP
OSCILLATOR WITH JITTER
SAW
LIQHT LOAD
FREQUENCY
REDUCTION
CLOCK
HALF
FREQ
LINE
SENSE
OVAIV
1 V
CONTROL (1C)
LINE-SENSEL (2L)
DRAIN (7D)
SOURCE (4S)
FREQUENCY (5F)
EXTERNAL
CURRENT LIMIT (3X)
5.0V
6.8V
4.6V
INTERNAL UV
COMPARATOR
V
BG
V
BG+
V
T
I
FB
Z
C
R
E
V
C
V
I(LIMIT)
SOFT
START
SOFT-
START
ON/OFF
DC
MAX
DC
MAX
D
MAX
SOFT START
+8
SHUTDOWN
AUTO-RESTART
SHUNT REGULATOR/
ERROR AMPLIFIER
S
PWM
COMPARATOR
R
Q
HYSTERETIC
THERMAL
SHUTDOWN
CURRENT LIMIT
COMPARATOR
INTERNAL
SUPPLY
0
1
CONTROLLED
TURN-ON
GATE DRIVER
LEADING
EDGE
BLANKING
rSN74LVC157APWR (X6786A0)
Data Selector
CONTROL: IC046, 051
rSN74LVC2G74DCTR (X8709A0)
Flip Flop
CONTROL: IC042
rSN74LVC245APWR (XZ287A0)
Bas Transceiver
CONTROL: IC054
rTC74LCX04FT (X8415A0)
Inverter
CONTROL: IC064
r501:/1% (X8576A0)
Regulator
PSANH: IC201
NXAMP4x4
43

Nexo NXAMP 4X4 Specifications

General

Brand	Nexo
Model	NXAMP 4X4
Category	Recording Equipment
Language	English