89
SC-57
5
6
7
8
5
6
7
8
A
B
C
D
E
F
A
1/3
AUDIO ASSY (1/3)
(SC-57 :
AWX9790)
(SC-55/SC-1526-K : AWX9833)
A
1/3
A-b
1/3
CN3901
CN2861
CN2502
*CN2504
*CN3902
*JH2505
*CN2503
2125
(S
BL/FHL OUT)
(S
BR/FHR OUT)
AWX9832- /J
AWX9934- /J
AWX9833- /J
AWX9767- /J
AWX9829- /J
AWX9834- /J
AWX9831- /J
AWX9790- /J
AWX9835- /J
AWX9830- /J
AWX9828- /J
!
AMUTE
A_A_DA_FRMIX
A_A_DA_FLMIX
VLSO
VLSCK
A_A_PRE_FHFWR
LSSN
A_ADA
S
WOUT
A_ADAZFLOUT
RYHP
A_A_PRE_FHFWL
A_A_PRE_LS
GNDD
SBMUTE
AMUTE
PRESEL
MICIN
A_ADAZFROUT
A_AADFRIN
A_AADFLIN
A_ADAFROUT
A_ADACOUT
A_ADAR
S
OUT
A_ADAL
S
OUT
A_ADAFHFWROUT
A_ADAFHFWLOUT
RYHP
Z
3
MUTE
Z2MUTE
VLSCK
GNDD
Z2VL
S
O
VL
S
CK
GNDA
A_ADAFLOUT
GNDAD
S
A_ADA
S
BLOUT
A_ADA
S
BROUT
A_A_ANA_
S
BRIN
A_A_ANA_
S
BLIN
A_ADASBROUT
A_ADASBLOUT
A_A_Z3ROUT
A_A_Z3LOUT
A_A_Z2ROUT
A_A_Z2LOUT
A_A_PRE_FR
FHMUTE
A_A_PRE_RS
A_A_PRE_SW1
A_A_PRE_FL
A_A_PRE_C
A_A_PRE_SW2
GNDA
A_A_PRE_
S
BL
A_A_PRE_
S
BR
AMUTE
SBMUTE
FHMUTE
LSSN
PRESEL
Z2VLSO
VLSO
XKP3074-A
1
TUSCL
2
TUSDA
3
TURST
4
TUADDR
5
TUSENSE
6
TUIREQ
7
RECMUTE
XKP3078-A
3
RYHP
15
GNDD
8
SBMUTE
11
Z2VLSO
2
XHPDET
4
MICDET
12
VLSO
10
Z3MUTE
5
LSSN
6
PRESEL
7
AMUTE
9
Z2MUTE
1
FHMUTE
14
GNDD
13
VLSCK
AKP7269-A
1
ZL OUT
2
GNDDA
S
3
ZR OUT
4
GNDDA
S
5
S
BL OUT
6
GNDDA
S
7
S
BR OUT
8
GNDDA
S
9
FHL/FWL OUT
10
GNDDA
S
11
FHR/FWR OUT
12
GNDDA
S
1
3
S
L OUT
14
GNDDA
S
15
S
R OUT
16
GNDDA
S
17
C OUT
1
8
GNDDA
S
19
S
W OUT
20
GNDDA
S
21
FL OUT
22
GNDDA
S
2
3
FR OUT
24
GNDDA
S
25
FL IN
26
GNDAD
S
27
FR IN
2
8
GNDAD
S
52044-0745
1
MICOUT
2
GNDA
3
V+7_A
4
GNDA
5
GNDA
6
V-7_A
7
MICDET
9604S-09C
1
TURST
2
TUSDA
3
TUSCL
4
TUIREQ
5
NC
6
GNDT
7
TR
8
V+5T
9
TL
NM
1
XHPDET
2
GNDHP
3
HPR
4
GNDHP
5
GNDHP
6
HPL
7
GNDA
8
GNDA
9
MICOUT
10
GNDA
11
V+7_A
12
GNDA
13
GNDA
14
V-7_A
15
MICDET
479-A
2694
100u/16
*C
3
90
3
470u/16
C2819
9-A
2693
47u/25
*C2
8
17
100u/
3
5
*C2
8
51
470u/16
C2820
10u/50
*C2758
10u/50
*C2757
10u/50
*C2754
10u/50
*C2753
10u/50
*C2756
10u/50
*C2755
10u/50
*C2760
100u/16
*C
3
906
*C2707
10u/50
*C2708
10u/50
47u/25
*C2
8
1
8
1u/50
C2801
1u/50
C2802
1u/50
C2806
1u/50
C2805
NM
C2
8
11
NM
*C2507
NM
*C250
8
10u/50
*C2752
NM
C2
8
12
10u/50
*C2826
ACH1479-A
*C2
8
2
8
ACH1479-A
*C2
83
6
10u/50
*C2827
10u/50
*C3952
10u/50
*C
3
95
3
10u/50
*C2751
10u/50
*C
3
954
*C2
8
64
0.1u/50
C2
8
6
3
0.1u/50
*C2
8
62
NM
CH
*C2
8
61
NM
CH
00
50
*C
3
907
0.01u/50
C2822
10p/50
C2821
10p/50
C2703
100p/50
CH
C2704
100p/50
CH
C2
8
24
NM
CH
*C
3
91
3
10p/50
CH
*C
3
912
10p/50
CH
*C
3
911
10p/50
CH
*C
3
90
8
NM
CH
*C
3
909
33
0p/50
CH
*C
3
901
27p/50
*C
3
902
NM
CH
C2
8
10
NM
*C2510
NM
CH
*C2509
NM
CH
*C2701
0.01u/50
*C2
8
16
0.01u/50
u/16
CFHX
u/16
CFHX
C2814
NM
C2
8
07
220p/50
CH
*C2762
0.01u/50
*C2761
0.01u/50
C2759
100p/50
CH
*C2
8
15
0.01u/50
*C3905
0.1u/50
C2
8
0
3
0.01u/50
C2813
NM
*C3904
0.01u/50
*C2705
0.01u/50
2691
CH
p/50
CH
C2697
100p/50
CH
C2698
100p/50
CH
C2
8
6
8
NM
C2
8
67
NM
*C2
8
66
0.1u/50
C2
8
65
0.1u/50
*C2706
0.01u/50
C2
8
0
8
220p/50
CH
*C3917
10p/50
CH
*C3916
10p/50
CH
*C3915
10p/50
CH
*C2712
NM
CFHX
*C2711
NM
CFHX
*C2710
NM
CFHX
*C2709
NM
CFHX
*C276
3
NM
CFHX
*C2764
NM
CFHX
*C
3
914
100p/50
C2
8
5
3
100p/50
CH
C2
8
52
100p/50
CH
C2
8
09
NM
C2
8
04
0.01u/50
C3919
10p/50
C3920
10p/50
C3921
10p/50
*C2
83
1
NM
CH
*C2
8
29
100p/50
CH
*C2702
0.01u/50
*C2
83
0
100p/50
CH
*C2
83
4
0.01u/16
CFHX
*C2
83
2
100p/50
*C2
83
5
0.01u/16
CFHX
*C2
833
NM
CH
*C
3
91
8
0.1u/50
C3951
100p/50
CH
*C
3
949
10p/50
C3956
NM
C3955
NM
C2
8
2
3
NM
CH
*C3910
NM
*C
3
959
0.22u/25
*C
3
960
0.22u/25
D2
8
51
1
SS3
52
D2
8
52
1
SS3
52
*D
3
901
NM
*D2
8
02
1
SS3
52
*D2
8
01
1
SS3
52
D2691
1SS302
*D2692
1
SS3
02
D2702
1
SS3
02
D2701
1
SS3
02
*D
3
90
3
UDZ
S3
R
3
(B)
*D
3
902
UDZ
S
5R6(B)
GNDA
GNDTC
GNDD
GNDD
GNDA
GNDA
GNDA
GNDA
GNDCH
DA
GNDA
GNDD
GNDA
GNDA
GNDTC
GNDA
GNDD
TC4066BFN
/OUT1
UT/IN1
UT/IN2
/OUT2
N2
N3
SS
8
IN/OUT3
9
OUT/IN3
10
OUT/IN4
11
IN/OUT4
12
CIN4
13
CIN1
14
VDD
IC2751
NJM4565MD
5
4
6
7
8
IC2801
NJM4565MD
5
4
6
7
8
IC2801
NJM4565MD
3
4
2
1
8
IC2702
NJM4565MD
5
4
6
7
8
IC2702
NJM4565MD
3
4
2
1
8
IC2751
NJM4565MD
3
4
2
1
8
BD
3
47
3
K
S
2
*IC
3
27
3
S
BLOUT
1
S
BROUT
2
COUT
3
S
WOUT
4
S
LOUT
5
S
ROUT
6
FLOUT
7
FROUT
8
VEE
9
CLOCK
10
DATA
11
DGND
12
VCC
1
3
TNF1
14
BNF1
15
BOUT1
16
BOUT2
17
BNF2
1
8
TNF2
19
AGND1
20
AGND2
21
SBLIN1
22
SBRIN1
23
CIN1
24
SWIN1
25
SLIN1
26
SRIN1
27
FLIN1
28
FRIN1
29
AGND3
30
ADCL
31
ADCR
32
AGND4
33
SUB1R
34
SUB1L
35
AGND5
36
INR1
37
INL1
38
INR2
39
INL2
40
INR
3
41
INL
3
42
INR4
4
3
INL4
44
INR5
45
INL5
46
INR6
47
INL6
4
8
INR7
49
INL7
50
INR
8
51
INL
8
52
INR9
5
3
INL9
54
INR10
55
INL10
56
INR11
57
INL11
5
8
INR12
59
INL12
60
AGND6
61
INR13/FRIN2
62
INL13/FLIN2
63
INR14/SRIN2
64
INL14/SLIN2
65
INR15/SWIN2
66
INL15/CIN2
67
INR16/SBRIN2
68
INL16/SBLIN2
69
AGND7
70
INR17/RECR1
71
INL17/RECL1
72
INR18/RECR2
73
INL18/RECL2
74
RECR3
75
RECL3
76
RECR4/SUB2R
77
RECL4/SUB2L
78
AGND8
79
AGND9
80
51048-0400
1
HPL
2
GNDHP
3
HPR
4
HPDET
LTC124EUB
Q2853
2SK208(Y)
*Q2801
2
3
1
2SK208(Y)
*Q2802
2
3
1
UMD2N
*Q2851
2E 1
2B 2
1C 3
1E
4
5 1B
6 2C
Q2803
IMX25
(2/2)
*Q3901
2SD1664(PQR)
Q2803
IMX25
(1/2)
LSA1576UB(QRS)
Q2852
C
S
R10
3
1-A
RY2
8
51
+
-
CSR1031-A
RY2851
2
2
3
3
4
4
7
7
8
8
9
9
R2712
10
R2721
47k
R2803
1k
R2764
22k
R2763
0
R2761
8
.2k
R2760
6.8k
R2759
15k
R2804
1k
R2806
10k
*R3020
NM
*R3019
0
R2704
1.5k
R2703
1.5k
R271
3
NM
*R
3
90
3
0
R2
8
1
3
5.6k
R2692
1k
R2691
1k
R2819
33
1/4W
R2
8
22
100k
R2
8
11
220k
R2
8
26
NM
R2705
8.2k
R2805
10k
R2
8
25
NM
R2
8
14
5.6k
R2820
33
1/4W
R2
8
0
8
220k
R2751
47k
*R
3
916
33
0
*R
3
91
3
NM
*R3911
NM
*R3912
NM
R2701
6.8k
*R
3
906
R2
8
56
NM
*R2741
0
R2706
8.2k
*R2740
0
R2722
0
R272
3
0
R2724
0
R2707
5.6k
R2855
47k
R2
8
54
10k
R2
8
07
220k
*R2863
470
*R
3
907
0
*R2
8
6
8
2.2k
*R
3
905
R3999
NM
R3998
NM
R3997
NM
R3996
NM
R3995
NM
*R2828
NM
*R2827
NM
R2823
NM
R2824
NM
R3994
NM
R3993
NM
R2817
0
R2818
0
R3992
NM
R3991
NM
*R
3
901
0
*R
3
902
0
*R2867
5.6k
R2865
5.6k
R2752
47k
R2757
47k
R2754
47k
R275
3
47k
R2756
47k
R2755
47k
R2853
0
R2852
0
*R3914
3.3k
*R2861
470
*R2
8
62
NM
*R2
8
64
NM
R2
8
66
2.2k
R275
8
22k
*R3915
3.3k
R2702
6.8k
R2
8
21
100k
*R2
8
51
47k
R2816
22k
*R2610
NM
(2125)
*R2
8
02
1M
*R
3
904
2.2k
*R2611
1k
R2815
22k
*R2
8
01
1M
*R2609
NM
(2125)
R2
8
12
220k
R2711
10
*R2612
1k
R2709
330
R2708
5.6k
*R3920
NM
*R3921
NM
R2710
330
2688
M
(2125)
R2810
220
*R
3
919
0
*R
3
91
8
0
*R
3
917
0
*R3018
0
R6746
22k
R6745
0
R6743
6.8k
R6744
8
.2k
R2809
220
R6742
15k
*R6737
10
*R67
38
47k
R2725
0
*R6748
47k
*R6747
47k
R2714
NM
R2
8
29
0
R2
83
0
0
87
(2125)
*R6751
47k
*R6750
47k
R2842
0
R2841
0
R2840
0
R2839
0
R2838
0
R2837
0
*R2836
0
*R2835
0
*R2834
0
*R2833
0
*R2832
0
*R2831
0
R2843
0
V+7_A
V-7_A
V-12_A
V-12_A
V-7_A
V-12_A
V+12_A
V-12_A
V+12_A
V+7_A
V+5_T
V+12_AB
V-12_A_HP
V-12_A_RY
V+12_A_RY
V+12_A
V+12_A
V-7_A
V-12_A
V+5_T
V+7_A
V+7_A
V+12_A
V+12_A
V-12_A
V-7_A
V+12_A
V-7_A
V+7_A
V-12_A
V+12_A_HP
V-12_A_HP
V+12_A_HP
V-7_A
PREOUT
SBMUTE
FHMUTE
PRESEL
A_A_TU_L
A_A_TU_R
AMUTE
TUNER
CONNECTOR
SELMID
SELMID
SELMID
SELMID
SELMID
ZONE3
VOL2
SELMID
SW DOWN MIX
(GNDHP)
LSSN
IC5301(CONT)
SELECT
L
H
SW DOWN MIX
ON
OFF
L
H
(1/2)
(2/2)
(1/2)
(2/2)
(2/2)
(1/2)
HEADPHONE AMP
1M
R3905-R3906
0
EXCEPT
AWX9835- /J
ONLY
AWX9829- /J
JP2505
D20PYY0455E
INPUT<->
ZONE OUT
pattern A
HP<->
ZONE OUT
pattern A
DAC OUT<->
PRE OUT
pattern A
MULTICH IN
<->PRE OUT
pattern B
AWX9832- /J
SW PRE AMP
(P3 E-1)
(P3 E-7)
(P3 A-7)
NM
INPUT SELECTOR
& VOLUME
IC2702
MID
SELECT
UPC4570G2-A-TFB
NJM4565V-TFB
AWX9835- /J
AWX9829- /J
AWX9832- /J
AWX9790- /J
AWX9835- /J
AWX9832- /J
AWX9833- /J
AWX9834- /J
AWX9831- /J
ONLY
(P3 A-7)
(P3 A-7)
(P3 A-7)
(P3 A-7)
(P3 A-7)
(A-1)
C2815
C2816
0.01u/16
0.01u/16
0.01u/50
0.01u/50
(NO MOUNT)
(NO MOUNT)
A
2/3
CN3722
CN3774
CN3794
TUNER MODULE
A
2/3
AA
AD
CN7724
AB
AB
Therefore, when replacing, be sure to use parts of identical designation.
When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
The
>
mark found on some component parts indicates the importance of the safety factor of the part.
: The power supply is shown with the marked box.
!
The mark found on some component parts should be replaced
with same parts(safety regulation authorized) of identical
designation.
NOTE
1. RESISTORS
Unit: k-k
, M-M
or
unless otherwise noted.
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