Audio Assy (2/3) - Pioneer SC-63 Service Manual

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1

10.2 AUDIO ASSY (2/3)

A
The
!
mark found on some component parts should be replaced
with same parts(safety regulation authorized) of identical
designation.
A
1/3
PREOUT
B
CONNECTOR
awx1117
C
awx1118
awx1250
CN3051
NM
CN3052
AKN7071-A
CONNECTOR
GNDA
D
PRE_BUF
V+12_A
V-12_A
PRE_BUF
awx1117
awx1118
awx1250
E
C3053
NM
C3054
C3055
NM
C3056
PRE_BUF
R3091
NM
A
*Q6706
1/3
INPUT<->
ZONE3 OUT
R3092
NM
pattern A
NM
*R6800
PRESEL
NM
R3093
ZONE2<->
NM
ZONE3 OUT
R3094
pattern A
NM
R3095
R3096
NM
R3097
NM
ZONE2<->
PRE_BUF
ZONE3 OUT
pattern A
R3098
NM
R3099
NM
R3100
NM
R6797
R6798
F
R6799
R6800
GNDA
GNDA
R6706
A
2/3
88
1
2
NOTE
1. RESISTORS
Unit: k-k
Rated Power: 1/10w unless otherwise noted.
Toleranee: (J)5% unless otherwise noted.
2125 : RS1/8SQ
NO MARKED : RS1/10SR
2. CAPACITORS
No marked Ceramic Capacitors are CKSRYB.
No marked Electrolytic Capaciters are CEAT(VSX and VSA series)
No marked Electrolytic Capaciters are CEAK(SC series)
CH:CCSRCH CFHX:CFHXSQ unless otherwise noted.
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
1000p or less : CCSRCH, Over 1000p : CKSRYB
3. NM: No Mount
V+7_A
V-7_A
AA
CN6954
AMUTE
A
1/3
SBMUTE
*R6741
FHMUTE
0
PRE_BUF
PRE_BUF
awx1117
awx1118
GNDA
awx1250
0
R6740
NM
R6741
SOUND
SEL-H/MID
PRESEL
SEL-L
C3221
C3222
H
FWL/FWR
FHL/FHR
C3223
L
FHL/FHR
SBL/SBR
C3224
V+7_A
NM
*R6799
R3227
Q3221
NM
0
RT1N241M
R3980
0
Q3222
RT1N241M
GNDA
awx1117
awx1118
awx1250
47k
NM
0
0
RT1N241M
2
3
, M-M
or
unless otherwise noted.
A_A_PRE_FL
A_A_PRE_FR
A_A_PRE_C
A_A_PRE_SW1
A_A_PRE_SW2
A_A_PRE_LS
A_A_PRE_RS
A_A_PRE_SBL
A_A_PRE_SBR
R3205
0
C3217
A_A_PRE_FHFWL
NM
C3218
A_A_PRE_FHFWR
NM
R3206
0
V+7_A
IC3221
TC4052BFN
16
VDD
awx1117
15
awx1118
2X
awx1250
14
1X
Y-COM
13
X-COM
NM
12
0X
NM
11
3X
0.01u/50
10
A
0.01u/50
9
B
SOUND
V-7_A
PRE_BUF
awx1117
PRE_BUF
awx1118
awx1250
V+7_A
R6701
NM
R6702
47k
GNDA
SC-63
3
4
PRE BUFFER
PRE_BUF
(B-15)
V+12_A
6
C3105
8
7
*R3101
22u/50
4
0
5
(2/2)
*IC3101
NM
2
C3106
8
1
*R3102
4
22u/50
0
3
(1/2)
*IC3101
NM
V-12_A
V+12_A
6
8
C3155
7
*R3151
4
22u/50
0
5
*IC3151
NM
(2/2)
2
8
1
*R3154
4
NM
3
*IC3151
NM
R3152
V-12_A
(1/2)
0
R3156
0
V+12_A
*IC3201
NM
(2/2)
6
8
C3205
7
*R3201
22u/50
4
0
5
*IC3201
NM
(1/2)
2
8
C3206
1
*R3202
22u/50
4
0
3
V-12_A
PRE_BUF
6
*R3251
5
0
*IC3251
NM
(2/2)
*IC3251
(1/2)
NM
2
*R3252
0
3
6
R3271
220
5
*IC3271
NJM4565V
(2/2)
*IC3271
(1/2)
NJM4565V
1
2
0Y
R3272
2
2Y
3
3
220
4
3Y
5
1Y
6
INH
7
VEE
8
VSS
FH/FW
(G-15)
6
*R6705
5
220
*IC3272
NJM4565V
(2/2)
*IC3272
(1/2)
NJM4565V
2
*R6706
220
3
4
PRE_BUF(B-9
I-9)
R3109
R3110
R3160
R3209
R3210
R3259
R3260
PR
*
*
*
*
*
(I-15)
V+12_A
8
C3255
*
7
22u/50
4
8
C3256
*
1
22u/50
4
V-12_A
V+12_A
8
C3275
7
22u/50
4
8
C3276
1
22u/50
4
V-12_A
V+12_A
8
*C3927
*
7
22u/50
4
8
*C3926
*
1
22u/50
4
V-12_A

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