Pioneer SC-LX75 Service Manual

94
SC-57
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.2 AUDIO ASSY (2/3)
A
2/3
!
*CN3051
*CN3052
The mark found on some component parts should be replaced
designation.
with same parts(safety regulation a uthorized) of identica l
A_A_PRE_RS A_A_PRE_LS A_A_PRE_FR
A_A_PRE_C
A_A_PRE_FL
A_A_PRE_FHFWR A_A_PRE_FHFWL
A_A_PRE_FL
A_A_PRE_C
A_A_PRE_LS
A_A_PRE_RS
A_A_PRE_FR
A_A_PRE_SBR A_A_PRE_SBL
A_A_PRE_SBL
A_A_PRE_SBR
A_A_PRE_SW2
A_A_PRE_SW1
A_A_PRE_FHFWL
A_A_PRE_FHFWR
NM
1
GNDA
2
SB L OUT
3
GNDA
4
SB R OUT
5
GNDA
6FH/FW L OUT
7
GNDA
8
FH/FW R OUT
9
GNDA
10FL OUT 11GNDA
12
C OUT
14
FR OUT
15
GNDA
16
SL OUT
17
GNDA
18
SR OUT
19
GNDA
20
GNDA
21
V-7_A
22
V+7_A
23
PRESEL7
13
GNDA
9607S-19F
1
NON
2
SBMUTE
3
AMUTE
4
GNDA
5
GNDA
6
RS OUT
7
GNDA
8
LS OUT
9
GNDA
10
FR OUT
11
GNDA
12
C OUT
13
GNDA
14
FL OUT
15
GNDA
16
SB/FH R OUT
17
GNDA
18
SB/FH L OUT
19
GNDA
22u/50
*C3106
NM
*C3053
22u/50
*C3205
22u/50
*C3105
22u/50
*C3206
22u/50
*C3155
NM
*C3054
22u/50
*C3217
22u/50
*C3218
*C3204
NM
*C3203
NM
C3102
NM
*C3051
NM
CH
*C3223
0.01u/50
*C3052
NM
CH
*C3224
0.01u/50
*C3222
NM
CFHX
*C3221
NM
CFHX
*C3285
0.01u/50
*C3055
NM
*C3225
NM
*C3286
0.01u/50
*C3253
NM
*C3265
0.01u/50
*C3103
NM
*C3273
NM
*C3266
0.01u/50
*C3274
NM
*C3216
NM
*C3056
NM
C3101
NM
C3151
NM
*C3165
NM
*C3153
NM
*C3058
NM
CH
C3251
NM
C3252
NM
*C3166
NM
*C3115
NM
*C3104
NM
C3272
NM
*C3116
NM
C3271
NM
*C3057
NM
CH
*C3154
NM
C3201
NM
*C3931
NM
*C3937
NM
*C3929
NM
*C3933
NM
*C3928
NM
*C3939
NM
*C3215
NM
C3059
NM
C3060
NM
*C3254
NM
C3202
NM
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
TC4052BFN
IC3221
0Y
1
2Y
2
Y-COM
3
3Y
4
5
1Y
6
INH
7
VEE
8
VSS
9
B
10
A
11
3X
12
0X
13
X-COM
14
1X
15
2X
16
VDD
*IC3271
NJM4580V
3
4
2
1
8
*IC3151
NM
3
4
2
1
8
*IC3272
NM
3
4
2
1
8
*IC3151
NM
5
4
6
7
8
*IC3201
NM
3
4
2
1
8
*IC3201
NM
5
4
6
7
8
*IC3272
NM
5
4
6
7
8
*IC3101
NM
5
4
6
7
8
*IC3101
NM
3
4
2
1
8
*IC3251
NJM4580V
3
4
2
1
8
*IC3271
NJM4580V
5
4
6
7
8
*IC3251
NJM4580V
5
4
6
7
8
LTC124EUB
Q3221
LTC124EUB
Q3222
*R3051
NM
*R3052
NM
*R3053
10
*R3054
10
R3086
NM
*R3151
0
*R3103
0
*R3154
NM
*R3203
0
*R3204
0
R3088
NM
R3098
NM
*R3202
0
R3083
NM
*R3153
0
R3156
0
R3090
NM
R3099
NM
R3089
NM
*R3253
NM
R3059
NM
R3094
NM
R3221
47k
R3222
47k
*R3252
100
R3092
NM
*R3272
100
*R3273
NM
R3087
NM
*R3271
100
*R3251
100
R3084
NM
R3223
100k
R3224
100k
R3225
100k
R3226
100k
*R3201
0
R3057
NM
R3058
NM
R3096
NM
R3097
NM
R3060
NM
*R6703
100k
R3095
NM
*R6708
NM
*R6705
NM
*R6706
NM
*R3102
0
*R6701
NM
*R6702
47k
R3091
NM
*R3254
NM
R3081
NM
R3082
NM
*R6704
100k
R3093
NM
*R6707
NM
R3227
0
*R6740
0
R3085
NM
*R3104
0
*R6741
NM
*R3101
0
R3100
NM
R3152
0
*R3274
NM
*R3205
NM
*R3206
NM
V+7_A
V+12_A
V+12_A
V-12_A
V-12_A
V+12_A
V+7_A
V+12_A
V-12_A
V-12_A
V-7_A
V+7_A
V-7_A
V-12_A
V+7_A
V+12_A
V-12_A
V+12_A
V-12_A
V+12_A
AMUTE
SBMUTE
FHMUTE
PREOUT
PRESEL
PREBUFFER
SELMID
SELMID
SELMID
SELMID
FH/FW
SELMID
H
SELECT
L
PRESEL
MID
MULTICH IN
<->PRE OUT
pattern B
CD-R
<->PRE OUT
pattern B
MULTICH IN
<->PRE OUT
pattern A
CD-R
<->PRE OUT
pattern A
INPUT<->
ZONE3 OUT
pattern A
ZONE2<->
ZONE3 OUT
pattern A
ZONE2<->
ZONE3 OUT
pattern A
PRE BUFFER
(VSX,VSA-
series ONLY)
(P3 D-4)
(P3 A-8)
FHL/FHR
SBL/SBR
FWL/FWR
FHL/FHR
IC3251,IC3271
MID
SELECT
NJM4580V-TFB
NJM4565V-TFB
AWX9790- /J
AWX9835- /J
AWX9831- /J
AWX9833- /J
AWX9834- /J
AWX9832- /J
AWX9767- /J
AWX9828- /J
AWX9829- /J
AWX9934- /J
AWX9830- /J
R6701
R6702
NM
NM
47K
47K
0
0
AWX9767- /J
AWX9828- /J
AWX9934- /J
AWX9829- /J
AWX9790- /J
AWX9831- /J
R6741
AWX9832- /J
AWX9830- /J
NM
NM
R6740
AWX9834- /J
AWX9833- /J
AWX9835- /J
(I-14)
(A-1)
C3223
C3224
NM
NM
0.01u/50
AWX9934- /J
AWX9830- /J
AWX9790- /J
AWX9835- /J
AWX9831- /J
AWX9833- /J
AWX9834- /J
AWX9832- /J
AWX9767- /J
AWX9828- /J
AWX9829- /J
0.01u/50
A
1/3
A
1/3
A
1/3
Z
CN6952
(NO MOUNT)

Pioneer SC-LX75 Specifications

General

Brand	Pioneer
Model	SC-LX75
Category	Receiver
Language	English