Denon AVR-X4000

F
L
PR
O
TE
C
T
I
O
N
L
O
G
I
C
DC ⇒ L_ac
t
i
v
e s
hu
t
d
o
w
n
A
S
O
⇒
L
_
ac
t
i
ve sh
u
t
down
T
H
E
R PROTD ⇒ L_acti
v
e
s
h
ut
d
ow
n
F
R
T
H
E
R
PR
O
T
C ⇒ L
_
a
c
t
i
v
e s
h
u
t
d
own
T
H
E
R
P
R
O
T
B ⇒ L_
ac
tive
s
hu
t
do
w
n
TH
E
R PR
OT
A ⇒
L
_active s
h
u
t
d
ow
n
C
S
L
S
R
SB
L
SB
R
T
R
_
T
H
E
R
M
A
L
TR
_
T
H
ER
MAL
TR
_
T
H
ERM
AL
TR
_
T
H
ER
MAL
T
R_THERM
A
L
T
R_
T
H
E
RM
A
L
TR_THERMAL
A
SO
A
S
O
A
SO
A
S
O
A
SO
A
SO
ASO
D
C
D
C
D
C
D
C
D
C
DC
D
C
DC_D
E
T
4
D
C
_
DET
3
ASO_D
E
T
HEA
T
SIN
K
_THER
M
AL
HEATS
IN
K_T
H
ERMAL
THE
RM
A
L_
D
ETB
TH
E
R
M
A
L
_
D
ET
A
P
AM
P
UN
I
T
M
A
I
N
T
RANS_TH
ERM
AL
MAIN
TR
A
NS
_T
HER
MA
L
MAINTRANS UN
I
T
uC
O
M
D
C
_D
ET4
D
C
_DET3
AS
O
_
D
E
T
THERM
A
L_DET
B
T
HE
RM
A
L_D
E
T
A
ASO 112pin
/
D
C 113
p
i
n
/
T
H
ER_PR
O
T_A 125
p
i
n
/ P95
T
HE
R_
PROT_
B
1
2
6pin/
P
94
THER_
P
R
O
T_C
12
3
p
i
n
/ P
9
7
T
H
E
R
_
P
RO
T
_D
12
4
p
in
/
P96
D
IG
I
T
A
L
U
NI
T
CN
7
0
4
B
N7
04
C
N20
3
PD4
PD5
SWM3.3V
DGND
THERMAL_DETC
THERMAL_DETD
THERMAL_DETC
THERMAL_DETD
DGND
DGND
X3000:BN402
X4000:BN203
0Ω
SWM3.3V
OPEN
3.4. PROTECTION DIAGRAM
27