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NAD M55 - H-Power Driver Circuit Diagram

NAD M55
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/'0ξ˜”
&/6B6:
/07B6:
&/6B6:
231B6:
231B6:
/07B6:
9&ξ˜”ξ˜™
9&ξ˜”ξ˜™
/'0ξ˜•
63'/ξ˜“
3*1'
;63087(
;)76087(
9&ξ˜”ξ˜™
9&ξ˜”ξ˜™
/'0ξ˜”
/'563'
76'0
/'0ξ˜•
63:0ξ˜”
63:0ξ˜•
9&ξ˜”ξ˜™ 9&ξ˜”ξ˜™
FAIRCHILD
IN1+
1
IN1-
2
OUT1
3
IN2+
4
IN2-
5
GND
6
GND
7
OUT2
8
IN3+
9
IN3-
10
OUT3
11
IN4+
12
IN4-
13
OUT4
14
CTL
15
FWD
16
REV
17
GND
18
GND
19
SGND
20
MUTE123
21
MUTE4
22
TSD-M
23
PVCC2
24
DO5-
25
DO5+
26
DO4-
27
DO4+
28
DO3-
29
GND
30
GND
31
DO3+
32
DO2-
33
DO2+
34
DO1-
35
DO1+
36
PVCC1
37
PS
38
OPOUT2
39
OPIN2-
40
OPIN2+
41
GND
42
GND
43
VREF
44
SVCC
45
OPOUT
46
OPIN-
47
OPIN+
48
,&ξ˜•ξ˜˜
)$1ξ˜›ξ˜“ξ˜—ξ˜•
&ξ˜•ξ˜–ξ˜œ ξ˜“ξ˜‘ξ˜“ξ˜”X)
&ξ˜—ξ˜˜ξ˜› ξ˜”ξ˜“ξ˜“S)
&ξ˜•ξ˜–ξ˜š ξ˜“ξ˜‘ξ˜“ξ˜”X)
&ξ˜•ξ˜–ξ˜˜
ξ˜“ξ˜‘ξ˜“ξ˜”X)
&ξ˜—ξ˜šξ˜œ ξ˜“ξ˜‘ξ˜“ξ˜“ξ˜”X)
&ξ˜—ξ˜™ξ˜• ξ˜“ξ˜‘ξ˜“ξ˜•ξ˜•X)
&ξ˜•ξ˜–ξ˜›
ξ˜“ξ˜‘ξ˜“ξ˜”X)
&ξ˜˜ξ˜“ξ˜” ξ˜”ξ˜“ξ˜“S)
&ξ˜—ξ˜™ξ˜– ξ˜“ξ˜‘ξ˜“ξ˜•ξ˜•X)
&ξ˜•ξ˜–ξ˜™ ξ˜“ξ˜‘ξ˜“ξ˜”X)
5ξ˜—ξ˜›ξ˜™ ξ˜–ξ˜–.
5ξ˜–ξ˜šξ˜“ ξ˜”ξ˜“.
5ξ˜—ξ˜›ξ˜› ξ˜–ξ˜–.
5ξ˜—ξ˜œξ˜— ξ˜˜ξ˜™.
5ξ˜—ξ˜œξ˜– ξ˜–ξ˜œ.
5ξ˜—ξ˜œξ˜• ξ˜šξ˜‘ξ˜˜.
5ξ˜—ξ˜œξ˜˜ ξ˜˜ξ˜™.
5ξ˜–ξ˜šξ˜” ξ˜”ξ˜“.
5ξ˜—ξ˜œξ˜™ ξ˜˜ξ˜™.
5ξ˜—ξ˜›ξ˜š ξ˜•ξ˜•.
5ξ˜—ξ˜œξ˜” ξ˜šξ˜‘ξ˜˜.
5ξ˜—ξ˜›ξ˜˜ ξ˜–ξ˜–.
12
&ξ˜—ξ˜šξ˜“
ξ˜•ξ˜•X)ξ˜’ξ˜™ξ˜‘ξ˜–9
1 2
&ξ˜˜ξ˜“ξ˜•
ξ˜”ξ˜“X)ξ˜’ξ˜”ξ˜™9
1 2
&ξ˜˜ξ˜“ξ˜–
ξ˜”ξ˜“X)ξ˜’ξ˜”ξ˜™9
A5V
PGND
DGND
AGND
P5V
AGND
DGND
A3.3V
SLD
$9
'ξ˜”ξ˜‘ξ˜›9
IN
3
GND
1
OUT
2
TAB
4
,&ξ˜•ξ˜–
/0ξ˜”ξ˜”ξ˜”ξ˜šξ˜03;ξ˜–ξ˜‘ξ˜–
&ξ˜—ξ˜—ξ˜”
ξ˜“ξ˜‘ξ˜”X)
&ξ˜—ξ˜—ξ˜™
ξ˜“ξ˜‘ξ˜”X)
/ξ˜–ξ˜—
3&%ξ˜ƒ&RLO
D1.8V
A5V
SLED
TSCON
FSCON
SPWM1
LDM1
LDM2
TSD-M
XSPMUTE
XFTSMUTE
LMT_SW
CLS_SW
OPN_SW
6/('
76&21
)6&21
63:0ξ˜”
SPWM2
63:0ξ˜•
LDRSPD
/'563'
SPEED_SP
63(('B63
5ξ˜–ξ˜™ξ˜›
ξ˜”ξ˜“.
6/
5ξ˜—ξ˜™ξ˜™ ξ˜”ξ˜“ξ˜“.
6/
5ξ˜—ξ˜™ξ˜˜ ξ˜”ξ˜“ξ˜“.
63
5ξ˜–ξ˜™ξ˜œ
ξ˜”ξ˜“.
63
'*1'
5ξ˜—ξ˜šξ˜˜
ξ˜•ξ˜•.
5ξ˜–ξ˜—ξ˜™ ξ˜”ξ˜“.
F+
F-
5ξ˜—ξ˜šξ˜™
ξ˜•ξ˜•.
T-
T+
&ξ˜•ξ˜—ξ˜“
ξ˜“ξ˜‘ξ˜“ξ˜”X)
&ξ˜•ξ˜—ξ˜– ξ˜“ξ˜‘ξ˜“ξ˜”X)
5ξ˜–ξ˜™ξ˜™ ξ˜”ξ˜“.
IN
3
GND
1
OUT
2
TAB
4
,&ξ˜•ξ˜—
/0ξ˜”ξ˜”ξ˜”ξ˜šξ˜03;ξ˜”ξ˜‘ξ˜›
IN
3
GND
1
OUT
2
TAB
4
,&ξ˜•ξ˜™
/0ξ˜”ξ˜”ξ˜”ξ˜šξ˜03;ξ˜•ξ˜‘ξ˜˜
D3.3V
A3.3V
/ξ˜–ξ˜–
3&%ξ˜ƒ&RLO
&ξ˜—ξ˜–ξ˜œ
ξ˜“ξ˜‘ξ˜”X)
&ξ˜—ξ˜—ξ˜“
ξ˜“ξ˜‘ξ˜”X)
&ξ˜—ξ˜—ξ˜š
ξ˜“ξ˜‘ξ˜”X)
&ξ˜—ξ˜—ξ˜•
ξ˜“ξ˜‘ξ˜”X)
&ξ˜—ξ˜—ξ˜›
ξ˜“ξ˜‘ξ˜”X)
To RF Block
To DSP Block
VC16
9&ξ˜”ξ˜™
DGND
DGND
DGND
D3.3V
A3.3V
P8V
PGND
P8VP5V
&ξ˜—ξ˜—ξ˜˜
ξ˜“ξ˜‘ξ˜”X)
D2.5V
D3.3V
To DSD Block
5ξ˜—ξ˜œξ˜›
ξ˜˜ξ˜™.
5ξ˜—ξ˜œξ˜š ξ˜˜ξ˜™.
63(('B63ξ˜”
AGND
$*1'
*5ξ˜—ξ˜šξ˜›
ξ˜“5
*5ξ˜—ξ˜šξ˜š
ξ˜“5
P5V
PGND
5ξ˜—ξ˜šξ˜—
1&
5ξ˜–ξ˜”ξ˜”
1&
A:R311 R474
B:R477 R478
AGNDDGND
D3.3V
A3.3V
D2.5V
D3.3V
A3.3V
D3.3V
5ξ˜—
1&
5ξ˜•
ξ˜“5
1
1
2
2
3
3
4
4
5
5
6
6
CN19
CON6
1
1
2
2
3
3
4
4
5
5
CN20
CON5
5ξ˜–
1&
5ξ˜”
ξ˜“5
A: R1 R2
B:R3 R4
PGND
PGND
VC16
4.H-POWER & DRIVER CIRCUIT DIAGRAM
3-34
*Note; R477 and R478 are 4.7Ohm when using new XY-A33 Loader.

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