Pioneer SC-37 Service Manual page 113

5
QQ
3 7 63 1515 0
2
SELMID (A-1)
*R3018
C3018 0
NM
*R3019
0
*R3020
*R2740 *R2741
0
NM 0
C2703
100p/50
R2701 R2707 R2709
DAFLOUT
6.8k 330
DASWOUT
R2703 R2705
6
1.5k 8.2k
V+7_A
IC2701 TC4066BFN 5
1 14
IN/OUT1
IC2702
(1/2)
VDD
2 13
OUT/IN1 NJM4565MD
CIN1
3 12
OUT/IN2
CIN4
4 11
IN/OUT2
IN/OUT4
5 10
CIN2
OUT/IN4
6 9
CIN3
OUT/IN3 IC2702 (2/2)
7 8
VSS NJM4565MD
IN/OUT3
3
R2704 R2706
2
1.5k 8.2k
DA
V+12_A
DAS) V-7_A
R2702 R2708 R2710
DAFROUT
6.8k 330
V+7_A
C2704
Q2722
100p/50
LTA124EUB
CH
Q2721
LTC124EUB
GNDA
(GNDDAS)
V-7_A
LSSN
_Z3R_VLIN
_Z3L_VLIN
C2700
NM
D2691
1SS302
V+7_A
R2687
NM GNDD
(2125)
C2695 CFHX
VLSO
0.01u/16
VLSCK
*C2691
SELMID
TE
(P3 A-8)
330p/50 CH L 13942296513
C2693
ACH1479-A
C2696 CFHX
C2697
0.01u/16
100p/50
*C2692 CH
CH
C2698
330p/50
C2694
100p/50
CH
ACH1479-A
R2688
NM
(2125)
V-7_A
GNDD
A
CTOR
www
47k
47k
47k
47k
47k
DAC OUT<->
47k PRE OUT
pattern A
47k
INPUT<->
47k
. ZONE OUT
pattern A
HP<->
ZONE OUT
pattern A
GNDA
MULTICH IN
<->PRE OUT
pattern B
5
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Z
CN3794
CH
V+7_A
V+12_A
SW DOWN MIX
5.6k
R2711
8 100 *C2707
7
10u/50
4
10u/50
V-12_A
*C2906
10u/50
*C2905
10u/50
R2712
4 *C2708
100 *C2902
V-12_A
1 10u/50
8 10u/50
10u/50
*C2901
V-7_A
10u/50
5.6k
SW DOWN MIX SELECT
IC5301
LSSN H L
IC5301(CONT) H L
ON OFF
SW DOWN MIX
V-7_A
*R2827
NM R2803
1k C2801
C2805
1u/50
*Q2801 1u/50
2SK208(Y)
Q2803 (1/2)
IMX25
R2805
V+12_A
10k
*Q2851
UMD2N
2E 1 6 2C
2B 2 5 1B
1C 3 4 1E
GNDA
R2806
V-12_A
10k
Q2803 (2/2)
IMX25
*Q2802
2SK208(Y)
C2806
NM
1u/50
R2804 C2802
*R2828 1k 1u/50
NM
10u/50
*C2751
*C2752
10u/50
*C2757
10u/50
SW PRE AMP
IC2751 (1/2)
NJM4565MD V+12_A
*C2758 V-12_A
3
4
R2763
10u/50
0
1
8
2
R2760
R2759
15k
6.8k
C2759
100p/50
CH
*C2753
10u/50
*C2754
10u/50
*C2755
10u/50
*C2756
10u/50
x ao
y
R3991
1. RESISTORS
NM
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
R3992 Rated Power: 1/10w unless otherwise noted.
NM Toleranee: (J)5% unless otherwise noted.
2125 : RS1/8SQ
R3993
NO MARKED : RS1/10SR
NM
2. CAPACITORS
i
R3994
No marked Ceramic Capacitors are CKSRYB.
NM
No marked Electrolytic Capaciters are CEAT(VSX and VSA series)
No marked Electrolytic Capaciters are CEAK(SC series)
R3995
NM CH:CCSRCH CFHX:CFHXSQ unless otherwise noted.
Unit: p-pF or u-uF unless otherwise noted.
R3996
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
NM
1000p or less : CCSRCH, Over 1000p : CKSRYB
R3997 3. NM: No Mount
NM
R3998
!
NM The mark found on some component parts should be replaced
R3999
with same parts(safety regulation authorized) of identical
NM
designation.
GNDA GNDA
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6
8
A-b
1/3
ZONE2 VOL PASS
*R2908
NM
*R2907 NM
*R2910
NM
*R2909 NM
V+7_A
*IC2901
1 40
AGND10
2 39
INP1
VCC
3 INN1 38
*R2905
AGND9
1k
OUT1
4 37 VLSCK
CL
AGND1
5 36 Z2VLSO
DA
6 INP2 35 *R2906
1k
MUTE
INN2
7 34
DGND
8 OUT2 33
GNDD
AGND8
9 AGND2 32
OUTSW
*C2908
10 INSW 31
OUTSR
11 AGND3 30 2.2u/50
OUTSL
12 INSR 29
OUTO
AGND4
13 28
OUTFR
INSL
14 27
OUTFL
15 AGND5 26 *C2907
BNF2L
16 INC 25
2.2u/50
BNF1L
*C2904
17 AGND6 24
BNF2R
18 INFR 23
2.2u/50
BNF1R
19 AGND7 22
TNFL
INFL
20 21
TNFR
VEE
BD3814FV *C2903
2.2u/50
GNDA
(GNDA_Z)
NM
C2821
V+12_A
V+12_A_HP 10p/50
V-12_A_HP
R2817 R2823
2
(1/2)
R2809 NJM4565MD
0 NM
220 IC2801
3
4
C2819 R2819
4
1
470u/16 33
8
2
1/4W
R2815
7
22k
C2813 R2824
9
NM NM
C2822
10p/50
C2814
Q Q
NM
3 6 7 1 3
R2816
22k
V+12_A_HP
6
8
C2820 R2820
7
470u/16 33
4
5
R2810 (2/2) 1/4W
R2818
220 NJM4565MD
IC2801
0
HEADPHONE AMP
V-12_A_HP V-12_A
A
2/3
A_A_PRE_FL
RDS (P3 A-4)
A_A_PRE_FR
A_A_PRE_C
*C2760
A_A_PRE_SW
10u/50
V+12_A
6
8
7
IC2751 (2/2)
4
NJM4565MD
5
V-12_A
A_A_PRE_LS
A_A_PRE_RS
A_A_PRE_SBL
GNDCH
A_A_PRE_SBR
TUNER
u163
GNDCH
.
SC-37
6
7
2 9 9 4 2 8
AUDIO ASSY (1/3)
A
1/3
(AWX9647)
CONNECTOR
(P3 G-9)
V-7_A
V+7_A
GNDA
SBMUTE
*R2861
0
SELMID
(P3 A-8)
*R2863
0
R2865
5.6k
RY2851
CSR1031-A
*R2867
5.6k
2
3
3
4
V-12_A
7
8 8
V+12_A_RY V+12_A
9
R2855 R2852
47k 0
LSA1576UB(QR)
Q2852
1 5 0 5 8 2 9 9 4
GNDA
(GNDHP)
SELMID
(P3 A-8)
R2853
0
Q2853
V-12_A
LTC124EUB
V-12_A_RY
GNDA
V+5_USB
*L3931 RDS DECORDER
QTL1013-A
*C3936 *R3934
4700p/50 NM
*R3931
22
*R3932
22
*X3931
V+12_AB
ASS7004-A-T
*R3942
4.332MHz
GNDDT NM
*Q3941
NM
*R3943
NM
(P3 F-1)
V+12_A
V+12_AB
V+9_T
*Q3901
2SD1664(PQR)
A_A_TU_L
!
GNDA
m A_A_TU_R
NM
*R3911 (DUMMY)
NM
*R3912 (DUMMY)
*C3904
0.01u/50
co
*C3905 0.1u/16
AWX9647- /J
GNDTC
GNDA
R3905-R3906 1M
7
8
9 9
A
15 MICDET
14 V-7_A
13 GNDA
12 GNDA
11 V+7_A
10
GNDA
AC
9 MICOUT
8 GNDA
B
CN7724
7 GNDA
6 HPL
5 GNDHP
4 GNDHP
3 HPR
2 GNDHP
1 XHPDET
*CN2503
NM
CN2861
AMUTE
XKP3078-A
GNDD
1
XHPDET
2
RYHP
RYHP
3
MICDET
4
LSSN
LSSN
5
SBFHSEL
SB/FH SEL
6
AA
AMUTE
7
8 SBMUTE
CN3774
9 Z2MUTE
Z3MUTE
10
Z2VLSO
Z2VLSO
11
VLSO
VLSO
12
VLSCK
VLSCK
13
GNDD
14
GNDD
15
GNDD
GNDD C
SBFHSEL
SBFHSEL
A
2/3
SBMUTE
SBMUTE
AMUTE
AMUTE
2 8 9 9
D
11 V+5_USB
10 V+5_USB
9 GNDUSB
8 GNDUSB
AA
7 XRDSRST
6 RDSSCK
CN3772
5 RDSSI
4 TUSI
3
TUSCK
2 TUSO
1 TUCE
CN3901
XKP3076-A
*C3915
NM
CH
E
*C3916
NM
CH
*R3910 *C3917
NM
NM
CH
GNDTC
*CN3902
9604S-11C
1 TUCE
2 TUSO
3 TUSCK
4 TUSI
TUNER
5
GNDT
6
TL
MODULE
7
V+9T
8 TR
9 VSM
10 FMDET
11 GNDT
F
A
1/3
113
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