Pioneer SC-LX85 - Schematic Diagram; Audio Assy(1;3)(Guide Page)

88
SC-57
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10. SCHEMATIC DIAGRAM
10.1 AUDIO ASSY(1/3)(GUIDE PAGE)
A
1/3
A-a A-b
A-a
A-b
A-b
A-a
Large size
SCH diagram
Guide page
Detailed page
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
A-a
1/3
CN2501
CN3001
*CN2510
CN2502
*JA2504
*JA2501
*JA2503
*JA2951
*JA2502
*JA2952
*JA2505
*JP3001
*JP3002
2125
2125
2125
AWX9834- /J
AWX9835- /J
AWX9790- /J
AWX9934- /J
AWX9832- /J
AWX9831- /J
AWX9833- /J
AWX9829- /J
AWX9828- /J
AWX9767- /J
AWX9830- /J
!
!
A_A_Z2LOUT
A_A_Z2ROUT
A_A_DA_FRMIX A_A_DA_FLMIX
A_ADASWOUT
A_ADACOUT
A_ADARSOUT
A_ADALSOUT
A_ADAFHFWROUT
A_ADAFHFWLOUT
A_ADAFLOUT
A_ADASWOUT
A_ADAFROUT
A_ADAZFLOUT
Z2MUTE
Z3MUTE
GND_SIRIUSA_A_ANA_CIN
A_A_ANA_SWIN
A_A_ANA_FLIN
A_A_ANA_FRIN
A_SIRIUSR
A_SIRIUSL
A_AADFRIN
A_AADFLIN
GND_SIRIUS
A_ADAZFROUT
A_ADAZFROUT
A_ADAZFLOUT
MICIN
A_SIRIUSR
A_SIRIUSL
GNDADS
A_A_Z2ROUT
A_A_Z2LOUT
GNDA
GNDA
A_A_Z3ROUT
A_A_Z3LOUT
A_A_Z3ROUT
A_A_Z3LOUT
A_A_ANA_LSIN
A_A_ANA_RSIN
A_A_ANA_SBLIN
A_A_ANA_SBLIN
A_A_ANA_SBRIN
A_A_ANA_SBRIN
GNDA
GNDA
XKP3072-A
1
BTR
2
GNDD
3
BTL
AKP7248-A
1
V-12_A
2
V-12_A
3
GNDA
4
GNDA
5
V+12_A
6
V+12_A
7
GNDAD
8
GNDAD
9
V+6_AD
10
V+6_AD
11
GNDSI
12
SIRIUS R
14
SIRIUS L
13
GNDSI
AKP7123-A
1
GNDA
2FR IN 3
GNDA
4FL IN 5
GNDA
6
SW IN
7GNDA 8
C IN
9GNDA
10SR IN 11
GNDA
12
SL IN
13GNDA 14SBR IN
15
GNDA
16
SBL IN
17GNDA
18GNDA
AKP7269-A
1
ZL OUT
2
GNDDAS
3
ZR OUT
ACH1479-A
C2694
NM
C3015
NM
C3016
NM
*C3005
2.2u/50
*C3001
100u/16
*C2680
100u/16
*C2679
10u/50
*C2664
47u/25 *C2670
2.2u/50
*C3002
10u/50
*C2677
ACH1479-A
C2693
22u/50
*C2505
22u/50
*C2506
22u/50
*C2525
22u/50
*C2526
10u/50
*C2566
22u/50
*C2546
NM
*C2585
NM
*C2586
NM
*C2605
NM
*C2606
22u/50
*C2732
47u/25
*C2669
10u/50
*C2663
2.2u/50
*C2908
2.2u/50
*C2907
2.2u/50
*C2904
2.2u/50
*C2903
NM
*C3006
22u/50
*C2545
10u/50
*C2565
NM
C3023
NM
C3024
10u/50
*C3025
10u/50
*C3026
22u/50
*C2609
22u/50
*C2610
22u/50
*C2587
22u/50
*C2588
10u/50
*C2678
22u/50
*C2731
*C2564 22p/50 *C2562
100p/50
*C2563
22p/50 *C2561
100p/50
C3022
NM
C3017
NM
C3018
NM
C3008
0.01u/50
YB
C3007
0.01u/50
YB
C2700
100p/50
*C2668
NM
C3014
NM
*C2671
8200p/50
C2
100p/5
C2982
NM
*C2502
NM
*C2974
NM
*C2973
NM
C2954
NM
C2953
NM
*C2972
470p/50
CH
*C2971
470p/50
CH
*C2952
470p/50
CH
*C2951
470p/50
CH
C2
100p
*C2672
8200p/50
*C2541
NM
*C2522
NM
*C2701
0.01u/50
C3012
330p
CH
C3011
CH
330p
*C3021
NM
YB
*C2501
NM
*C2504
33p/50
*C2503
33p/50
C2696
0.01u/16
CFHX
C2695
0.01u/16
CFHX
*C2665
NM
*C2675
NM
CH
*C2602
NM
*C3076
NM
CH
*C3075
NM
C3003
NM
*C2601
NM
C3004
NM
*C2666
NM
*C2691
330p/50
CH
*C2521
NM
*C2692
330p/50
CH
C2697
100p/50
CH
C2698
100p/50
CH
*C2662
NM
*C2683
0.01u/50
*C2681
NM
*C3073
NM
*C2682
NM
*C2604
22p/50
*C2603
22p/50
*C2524
68p/50
*C2543 56p/50
*C2612
NM
*C2611
NM
*C2581
NM
*C2544 56p/50 *C2542
NM
*C2684
NM
*C2712
NM
CFHX
*C2711
NM
CFHX
*C2584 47p/50
*C3077
NM
CH
C3019
NM
C3020
NM
*C3010
100p/50
CH
*C3009
100p/50
CH
*C2608
NM
*C2607
NM
C2984
NM
*C2983
0.01u/50
*C2674
NM
CH
*C3078
NM
*C2667
NM
*C2676
NM
CH
C2981
0.01u/50
C3013
NM
*C2702
0.01u/50
*C2582
NM
*C2583
47p/50
*C3074
NM
*C2673
NM
CH
*C2661
NM
*C2523 68p/50
C3957
NM
*C2699
NM
D2691
1SS302
D3002
HZU7R5(B2)
D3001
HZU7R5(B2)
GNDCH
GNDA
GNDD
GNDCH
GNDA
GNDA
GNDA
GNDA_RIP
GNDA_PN
GNDCH
GNDA
GNDA
GNDCH
GNDA
IC2701 TC4066BFN
IN/OUT1
1
OUT/IN1
2
OUT/IN2
3
IN/OUT2
4
5
CIN2
6
CIN3
7
VSS
8
IN/OUT3
9
OUT/IN3
10
OUT/IN4
11
IN/OUT4
12
CIN4
13
CIN1
14
VDD
*IC2661
NJM4565MD
3
4
2
1
8
*IC2661
NJM4565MD
5
4
6
7
8
IC2702
NJM4565
5
6
IC2702
NJM4565M
3
2
BD3473KS2
IC2501
SBLOUT
1
SBROUT
2
COUT
3
SWOUT
4
SLOUT
5
SROUT
6
FLOUT
7
FROUT
8
VEE
9
CLOCK
10
DATA
11
DGND
12
VCC
13
TNF1
14
BNF1
15
BOUT1
16
BOUT2
17
BNF2
18
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
INR3
41
INL3
42
INR4
43
INL4
44
INR5
45
INL5
46
INR6
47
INL6
48
INR7
49
INL7
50
INR8
51
INL8
52
INR9
53
INL9
54
INR10
55
INL10
56
INR11
57
INL11
58
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
7
7
7
7
AKB7218-A
5
R
6
4
W
AKB7218-A
5
R
6
4
W
2
R
3
1
W
2
R
3
1
W
AKB7218-A
5
R
6
4
W
2
R
3
1
W
2
R
3
1W
AKB7218-A
5
R
6
4
W
AKB7234-A
3
2
1
4
NM
3
2
1
4
NM
3
2
1
4
NM
V+6_AD
1
V+12A
2
GNDA
3
GNDA
4
V-12A
5
PF06PG-S47
1
GNDAD
2
V+6_AD
3
V+12A
4
GNDA
5
GNDA
6
V-12A
L2561
NM
*L2661
NM
*L2662
NM
L2562
NM
*L2663
NM
*L2664
NM
LTC124EUB
Q2721
LTA124EUB
Q2722
Q3001 2SD1858X(QR)
*Q2971
IMX25
Q2951
IMX25
*Q2971
IMX25
Q2951
IMX25
2SB1237X(QR)
Q3002
*R2676
NM
R2721
47k
*R2672
30k
R2506
NM
*R2662
100k
*R2671
30k
R2503
330
*R2668
560
R2584
330
R2566
NM
R2565
NM
*R2661
100k
*R3020
NM
*R3019
0
R2704
1.5k
*R2902
100k
R2703
1.5k
*R2667
560
*R2673
470
*R2675
NM
*R2697
0
R2586
NM
R2564
2.2k
R2563
2.2k
R2525
NM
R2562
100k
*R2670
390k
R2692
1k
R2691
1k
*R2663
330
R2523
330
R2501
470k
R2521
470k
R2546
NM
R2541
470k
R2542
470k
R2581
470k
R2582
470k
R2601
470k
R2602
470k
*R2666
100k
*R2604
220
*R2665
100k
R2705
8.2k
R2951
1k
*R2972
1k
*R2973
1k
*R2974
1k
R2701
6.8k
R2689
NM
*R2975
10k
R2606
NM
R2505
NM
*R3033
NM
*R3032
8.2k
*R3031
NM
R3016
NM
*R2741
0
R2706
8.2k
*R2740
0
R2686
0
R2685
0
R2684
0
*R2700
0
R2504
330
R2722
0
R2723
0
R2724
0
R2545
NM
*R3014
NM
R2707
5.6k
R2953
1k
*R2664
330
R2522
470k
*R3022
0
*R3021
0
*R3008
NM
R2585
NM
R3006
0
*R3005
0
R2544
330
R2587
NM
R2955
1k
*R3958
NM
R2583
330
R2502
470k
R3004
100
R2607
NM
R3003
100
R3002
5.1k
R3009
0
R2524
330
R3001
5.1k
*R2677
NM
R2958
NM
R2957
NM
R2960
NM
R2959
NM
*R2516
0
*R2517
0
*R2514
0
*R2515
0
*R2512
0
*R2513
0
*R2683
NM
*R2682
NM
*R2603
220
*R2679
NM
*R2680
0
*R2681
NM
R2698
NM
R3999
NM
R3998
NM
R3997
NM
R3996
NM
R3995
NM
*R3909
0
*R3908
0
*R2678
0
R3994
NM
R3993
NM
R3992
NM
R3991
NM
R3010
0
*R3957
NM
R2543
330
*R3013
NM
*R3953
NM
R3012
0
R3011
0
R2904
100k
*R3955
NM
R2696
0
*R3956
NM
*R3951
NM
*R3952
NM
*R2971
1k
R2956
1k
R2702
6.8k
*R2669
390k
*R2674
470
R2708
5.6k
R2952
1k
*R2688
NM
(2125)
*R3018
0
R2903
100k
R2605
NM
*R2901
100k
*R3007
NM
R2954
1k
R2725
0
*R2699
0
*R2976
10k
R2690
NM
*R2687
NM
(2125)
*R3954
NM
R2561
100k
R2608
NM
R2588
NM
R2526
NM
V-7_A
V+7_A
V-7_A
V-7_A
V+7_A
V+7_A
V-7_A
V+7_A
V-12_A
V+5_AD
V+7_A
V+12_A
V-7_A
V+7_A
V+12_A
V
V-7_A
A_A_TU_L
A_A_TU_R
*R3034
NM
EMC
EMC
SELMID
SELMID
SELMID
SELMID
JACK
SELMID
PHONO
EMC
EMC
SELMID
CONNECTOR
SELMID
SELMID
SELMID
SELMID
SELMID
SELMID
SELMID
SELMID
SELMID
SELMID
SELMID
DVR/
PHONO
CD
EQUALIZER AMP
OUT
IN
LSSN
IC5301(CONT)
SW DOWN MIX SELECT
IC5301
LH
SW DOWN MIX
ON OFF
LH
(1/2)
(2/2)
(MAIN)
INPUT SELECTOR
& VOLUME
ZONE OUT
ZONE 2
OUT
ZONE 3
OUT
VIDEO
TV/
DVD
CD
INPUT<->
ZONE OUT
pattern A
HP<->
ZONE OUT
pattern A
DAC OUT<->
PRE OUT
pattern A
MULTICH IN
<->PRE OUT
pattern B
ZONE 2
OUT
10MID
ONLY
BDR
BDR
DVR/
SAT
(P3 A-1)
(P3 A-7)
(P3 A-7)
(P3 A-7)
(MAIN)
(P3 E-7)
(P3 E-7)
(P3 E-7)
(P3 E-7)
R2697
R2699
R2700
NM 0
0NM
0NM
(P3 A-7)
(P3 A-7)
(P3 A-7)
(P
(P3 A-7)
(A-2)
(A-2)
(A-2)
(A-2)
(A-2)
(K-1)
(A-1)
(P3 A-7)
(P3 A-7)
NO MOUNT
(NO MOUNT)
AWX9790- /J
AWX9832- /J
AWX9831- /J
AWX9833- /J
AWX9829- /J
AWX9828- /J
AWX9767- /J
AWX9830- /J
AWX9835- /J
AWX9834- /J
AWX9934- /J
SELMID
(K-6)
NM
47k
CN2510
R3951-R3958
AKP7123-A
NM
: Audio Signal Route
CN3792
CN5775
CN3785
VSX,VSA
Series only
AC
CN7671
AG
(NO MOUNT)
VSX,VSA
Series only
AH
AA