Denon CEOL Piccolo DRA-N5, Service Manual

Page: 52 / 73

52
STBY POWER GND POWER - POWER +
KEY3
KEY1
LEFT
NC
CX870_SPDI
F
CX
870_
SP
DI
F
DIR_RS
T
DI
R_
RS
T
DI
L_C
L
DI
R_
CL
DI
R_
CE
DIR_D
O
DIR_D
I
DI
R_
DO
DI
R_
DI
DIR_RER
R
DI
R_
RER
R
GND_
AD
5508_SC
L
5508_
SC
L
GND_
AD
5508_PD
N
5508_
PD
N
5508_RESE
T
5508_
RESE
T
AMUT
E
AM
UT
E
H/
P_
MU
TE
+3
V3_
D1
KEY2
GND_
D
GND_
D
GND_
D
+5V_
D
LE
D_
G
+5V_
D
PW
R_
SW
LE
D_
R
GND_
D NC
-12V_
A
GND_
A
+12V_
A
+12V_
D
UP
H/
P_
R
GND_
A
+12V_
D
GND_
D
GND_
A
R61
7
0-160
8
+12V_
A
-12V_
A
+5V_SMPS
1
SP_PROTEC
T
FAN_
H
CX870_SPDI
F
DIR_RS
T
DI
L_C
L
DIR_D
O
DIR_D
I
DIR_RER
R
GND_
AD
5508_SC
L
GND_
AD
5508_PD
N
5508_RESE
T
AMUT
E
SUB_POWER_CONTRO
L
GND_
D
GND_
D
GND_
D
+5V_
D
+5V_
D
GND_
A
GND_
A
GND_
A
GND_
A
GND_
A
GND_
A
PR
OT
_C
ON
T
+12V_
D
FAN_
H
TEMP_DE
T
SP_PROTEC
T
5142_S
D
DC_PROTECT
2
SU
B_
POWE
R_C
ON
TR
OL
GND_AD
LED_RED
LED_WT
KEY3
KEY1
KEY2
R60
6
11
0
H/P_R
R61
0
270
GND_AD
GND_AD
GND_AD
GND_AD
ENTER
+12V_D
RIGHT
VR_DOWN
NC
NC
GND_
AD
GND_
AD
DI
R_
IN
T
DIR_C
E
DI
R_
IN
T
5508_SD
A
5508_MUT
E
H/P_O
N
NC
5508_
SD
A
5508_
MU
TE
H/
P_
ON
NC
+3V3_D
1
GND_
AD
H/P_MUT
E
POWER_DOW
N
+18V_OLE
D
+5V_
D
+5V_
D
GND_
D
GND_
D
WHITE
R602
150
J404
0-3216
J405
0-3216
+5V_
D
CLAMP001
100
N-
K
C60
3
S60
1
R60
5
0
CLAMP002
H/P_DET
GND_A
H/P_L
SOURC
E
R60
9
0
Q602
KRC111S
NC
GND_
D
GND_
A
GND_
A
R188
100K
+12V_
D
S603
C604
100N-K
S607
S605
S604
DOWN
100N-K
C605
S609
VR_UP
R615
150
H/
P_
L
+12V_
A
-12V_
A
GND_
A
GND_
D
0-160
8
R61
8
GND_
A
TEMP
_D
ET
5142_OT
W
5142_S
D NC
FA
N_
ON
GND_
AD
GND_
AD
L601 BD22
1-
201
2
DI
R_
IN
T
DIR_C
E
5508_SD
A
5508_MUT
E
H/P_O
N
+3V3_D
1
GND_
AD
H/P_MUT
E
GND_AD
+18V_OLE
D
+5V_
D
+5V_
D
GND_
D
GND_
D
0
R601
+5V_
D
C60
2
100
N-
K
R60
4
47
K
+5V_SMPS
1
GND_
A
S606
GND_
A
GND_
A
GND_
A
GND_
A
GND_
A
S608
GND_
A
DC_PROTECT
2
H/P
DE
T
5142_OT
W
FAN_O
N
GND_AD
POWER_DOW
N
7
4
5
6
2
3
1
8
CP601
GND_AD
GND_AD
TO CPU_NW BOARD
LED_GREEN
+3V3_CPU
TO CPU_NW BOARD
RIGHT
FROM SMPS BOARD
R60
3
-
R183
100K
R61
4
39
0
R61
2
18
0
R61
1
15
0
S60
2
R60
7
-
FROM AMP BLOCK
CNT2
CNT1
LD601
Q601
KRC111S
100
N-
K
C60
1
FROM SMPS BLOCK
11
P
BD
T
O
BD
CN
00
7
1
2
3
4
CP10
4
4P_A
N
R61
3
27
0
R608
150
KEY
LD603
CNT3
LEFT
FROM AMP BLOCK
CN001
23P BD TO BD
TO NETWORK CPU BLOCK
CN008
13P BD TO BD
2
1 5 3 9 7 13 11
6 4 8 10 12
13
P
BD
T
O
BD
_A
N
CN
00
5
KEY_CNT BLOCK
2
1 5 3 9 7 13 11
6 4 8 10 12
13
P
BD
T
O
BD
_S
T
CN
00
6
13P BD TO BD
CN012
23
P
BD
T
O
BD
CN
00
2
3
6 4
7 5 1
2 10 12 8
11 9 23
22 20
19 21
16 18
17 15 13
14
CN
01
0
23
P
BD
T
O
BD
GND_AD
8 7 6 5 4 3 2 1
A
B
C
D
E
F
SCHEMATIC DIAGRAMS (5/6)
KEY UNIT
CNT1 UNIT
CNT2 UNIT
CNT3 UNIT
CN008
CN002
CP104
CN007
CP601
CN001
CN005
CN006
CN009
CN010
TO CP411
TO CP102
TO CP633
TO CN222
TO CP406
TO CP413
TO CN410
TO CN224
TO CP408
TO CP105