Pioneer SC-LX81 Service Manual page 121

5
CN7006
CKS1730-A
(ZONE)
20
ZFL DA
19
GNDA
18
ZFR DA
17
GNDA
(SB)
16
SBL DA
15
GNDA
14
SBR DA
13
GNDA
(SL)
12
LS DA
11
GNDA
10
RS DA
9
GNDA
(C)
8
C DA
7
GNDA
(SW)
6
SW DA
5
GNDA
(FL)
4
FL DA
3
GNDA
2
FR DA
1
GNDA
B 4/4
CN2901
CN7007
CKS1724
GNDA V-12A
1 14
FR AD V-12A
2 13
C7005
GNDA
GNDA
3 12 NM
FL AD GNDA
4 11
C7006
GNDAD V+12A
5 10
NM
GNDAD V+12A
6 9
V+6AD
V+6AD
7 8
(ADC)
SEP
FAN_H
FAN_L
FANSTOP
CN7005
CKS1730-A
20
BERR
BTEMP
19
18
FAN H
17
FAN L
16
FANSTOP
L7001
Disable_1_2 15
L7002
Disable_3_4 14
L7003
13
Disable_5_6
L7004
12
Disable_7_8
L7007
11
AM
L7008
AMP_OL 10
L7009
9
RY A
L7010
8
RY C
L7011
7
RY S
L7012
RY B 6
L7013
MAX_TEMP 5
L7014
4
TEMP DET
L7015
3
DC DET
2
GNDU
GNDU 1
ICEAMUTE L7005
ICESBMUTE L7006
5
6
CN7041
CKS3386-A
GNDA
21
20 ZFL DA
GNDA
19
ZFR DA
18
GNDA
17
16 SBL DA
15 GNDA
SBR DA
14
CN7101
GNDA
13
LS DA
12
SEC8-1
11 GNDA
SEC8-2
RS DA
10
GNDA
9
C DA
8
7 GNDA
6 SW DA
GNDA
5
FL DA
4
GNDA
3
2 FR DA
GNDA
1
GNDA
CN7042
CKS3384-A
19 V-12A
18
V-12A
C7041
NM 17
GNDA
16
GNDA
C7042
NM 15 V+12A
14 V+12A
13
V+6AD
C7043
12
V+6AD
NM
11
GNDAD
10 GNDAD
9
FL AD
8
GNDA
7
FR AD
6 GNDA CAUTION - FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
5 SIRIUS R
4
GNDA
3
SIRIUS L
2
GNDA
1 GNDA
JP7071
ADX7676-A
R7071 0
BERR
1
R7072 0
BTEMP
2
GNDU
3
V+5.6U V+5.6U
4
R7073
0
GNDU2
CN7051
CKS3382-A
R7074
0
17 Disable_1_2
Disable_3_4
16
NM
Disable_5_6
15
NM
Disable_7_8
14
NM
13 ICEAMUTE
NM
ICESBMUTE
12
NM
AM
11
NM
AMP_OL
10
NM
9 RY A
NM
8 RY C
NM
RY S
7
NM
RY B
6
NM
MAX_TEMP
5
NM
4 TEMP DET
NM
DC DET
3
GNDU
2
GNDU
1
(FVL)
: Audio Signal Route (Video L ch)
(M)
: Audio Signal Route (Mic)
GNDU
(HPL)
: Audio Signal Route (Headphone L ch)
NM
(ZONE)
NM
: Audio Signal Route (Zone L ch)
(ADC)
: Audio Signal Route (ADC L ch)
SC-LX81
6
7
INTERFACE ASSY
F
(AWX9148)
FU51
!
H7101
H7102
AKR7001-A
1
2
B2B-EH
Z
CN3902
JP7103
TO DCDC ASSY
AWX9138
AA
JP7104
TO HDMI RECT ASSY
V+12HD
GNDHDMI
AWX9156
REPLACE WITH SAME TYPE AND RATINGS OF FUSE.
KN7002
VNF1084
GNDU2 GNDU2GNDU2GNDU2 GNDD GNDD GNDD
KN7003
VNF1084 VNF1084
GNDD2 GNDD2 GNDD2
KN7006
VNF1084
GNDV2 GNDV2 GNDV2
(FL)
(SL)
(C)
(SB)
(SW)
7
8
+15V
Power Supply for
DIGITAL SECTION
D7101
D3SBA20(B)
JP7102
! 3
1 V+D
GNDD
4 1 2
ADX7635-B
2
GNDD
CN7009
1 V+6D
2 V+6D
1 3
V+6D V+6D
GNDD
2 4
GNDD
5 GNDD
ADX7634-B
6 GNDD
CKS3813-A
GNDD2
CN7013
CN8802
6 V+12HD
V+12HD
5
V+12HD
1 4
GNDHDMI
2 3
2 GNDHDMI
ADX7636-B
GNDHDMI
1
CKS3813-A
GNDHDMI
KN7001
VNF1084
GNDHD GNDHD GNDHD GNDHDMI G NDHDMIGNDHDMI
KN7004 KN7005
VNF1084
GNDU GNDU GNDU
GNDV2 GNDV2
JH7001 JH7002 JH7003 JH7004
NM VEF1040-A VEF1040-A VEF1040-A
JH7005
VEF1040-A
: Audio Signal Route (Front L ch)
: Audio Signal Route (Surround L ch)
: Audio Signal Route (Center)
: Audio Signal Route (Surround Back L ch)
: Audio Signal Route (Subwoofer)
8
A
B
C
D
GNDV2
E
F
F
121