Schematic Diagram; Audio Assy - Pioneer SC-LX81 Service Manual

1

10. SCHEMATIC DIAGRAM

10.1 AUDIO ASSY

A
JA5001
XKB3017-A
W
PHONO
R
C5701
470p/50
C5702
0.1u/50
W
CD
R
GNDCH
JA5002
XKB3017-A
W
CD-R/TAPE
B
OUT
R
C5703
470p/50
C5704
0.1u/50
GNDCH
W
CD-R/TAPE
IN
R
R5702
0
GNDCH
R5703
(MAIN)
0
C5706
NM
C5707
NM
C
*JA5004
XKB3017-A
W
DVD
R
W
TV/SAT
R
JA5005
W
VIDEO1
R
XKB3017-A
C5708
0.1u/16
C5709
470p/50
W
VIDEO2
R
GNDCH
JA5006
D
(REC)
XKB3017-A
W
DVR1
OUT
R
C5710
0.1u/16
C5711
470p/50
W
DVR1
IN
R
GNDCH
JA5007
(REC)
XKB3017-A
W
DVR2
OUT
R
C5712
0.1u/16
C5713
470p/50
W
DVR2
E
IN
R
GNDCH
JA5008
XKB3017-A
W
FL
FR
R
C5714
0.1u/16
W C5715
C
470p/50
SW
R
JA5009 GNDCH
XKB3017-A
(SL)
W
SL
SR
R
C5718
0.1u/16
C5719
470p/50
W
F
SBL
SBR
R
GNDCH
A
94
1
2
(PHONO)
IC5001 (1/2)
V-7A
NJM4565MD
C5003
*R5003 3
4
R5013
10u/50
470
1
8
2
L5001 L5003 R5009 R5011
NM NM 390k 30k
C5013
C5011
1200p/50
C5015
8200p/50 1200p/50
C5016
C5012
1200p/50
C5014
8200p/50
1200p/50
R5010 R5012
L5002 L5004
390k
30k
NM NM
V+7A
6
8
R5014
7
*R5004 C5004
470
4
10u/50 5
IC5001 (2/2)
NJM4565MD
R5033 C5035
330
22u/50
(CD)
R5040
C5036
NM
R5034 NM C5038
330 R5030
22u/50
0
C5045
L5041 R5043
2.2k
NM 10u/50
(REC)
L5042 R5044 C5046
2.2k
NM 10u/50
R5053 C5055
330
22u/50
(CD)
R5054 C5056
330
22u/50
(DVD)
R5073 C5075
A_A_TU_R
330
22u/50
R5074 C5076
330
22u/50
(TV)
R5083 C5085
330
22u/50
R5084 C5086
330
22u/50
(FVL)
R5093 C5095
330 22u/50
R5094 C5096
330
22u/50
R5103 C5105
330
22u/50
(FVL)
R5104 C5106
330
22u/50
L5111 R5113 C5115
NM 2.2k 10u/50
L5112 R5114 C5116
10u/50
NM 2.2k
(DVR)
R5123 C5125
330
22u/50
R5124 C5126
330
22u/50
L5131 R5133 C5135
2.2k
NM 10u/50
L5132 R5134 C5136
2.2k
NM 10u/50
R5143 C5145
330
22u/50
(DVR)
R5144 C5146
330
22u/50
(FL)
R5153 C5155
330
22u/50
R5154 C5156
330
22u/50
(C)
R5163 C5165
330
22u/50
R5164 C5166
330
22u/50
(SW)
R5173 C5175
330
22u/50
A_A_ANA_CIN
A_A_ANA_SWIN
A_A_ANA_LSIN
R5174 C5176
A_A_ANA_RSIN
330
22u/50
(SB)
R5183 C5185
A_A_ANA_SBLIN
330
22u/50
R5184 C5186
A_A_ANA_SBRIN
330
22u/50
2
3
F
CN7042
EQUALIZER AMP
V+7A
C5017
CN5002
10u/50
V+6AD
JP5001
ADX7653-B
V+6AD 1
V+12A 2
C5511
GNDA 3
1000p/50
GNDA 4 CH
V-12A
5
C5507
C5018
NM
C5508
10u/50
1000p/50
V+12A
CH
V-7A
C5509
NM
C5510
1000p/50
CH
GNDCH
(MAIN)
C5506
A_A_TU_L
V-12A
GNDA
(F)
41
INR3
42
INL3
INR4
(CD)
43
INL4
44
INR5
(CD)
45
INL5
46
INR6
(TL)
47
INL6
48
INR7
(DVD)
49
INL7
50
INR8
(TV)
51
INL8
52
INR9
53
INL9
54
INR10
55
INL10
56
INR11
57
INL11
58 INR12
INL12
59
60
(REC)
(REC)
(REC)
PHONO/MULTI CH SEL
V+7A
V-7A
SC-LX81
3
4
CKS3384-A
R5744
0
(FL)
A_ADAFLOUT
V+7A
A_ADASWOUT
!
R5303
680
C5505
IC5301 TC4066BFN
NM 1
IN/OUT1
VDD
2
OUT/IN1
CIN1
3
OUT/IN2
CIN4
4
IN/OUT2
IN/OUT4
5
CIN2
OUT/IN4
6
CIN3
OUT/IN3
7
VSS
IN/OUT3
R5304
680
GNDA
(GNDDAS)
A_ADAFROUT
NM
V+7A
!
Q5302
RT1P241M
V-7A
Q5301
RT1N241M
GNDA
(GNDDAS)
V-7A
A_A_Z3R_VLIN
A_A_Z3L_VLIN
D5201
1SS302
V+7A
C5209
CFHX
0.01u/16
C5201
330pF
C5202
ACH1479-
C5210
20
AGND1
19 0.01u/16
TNF2
BNF2 CFHX
C5203
18
BOUT2
17
330pF
BOUT1
C5204
16
BNF1
15
ACH1479-
TNF1
14
VCC
13 V-7A
DGND
12
BD3473KS2 DATA
11
IC5201 CLOCK
10
VEE
9
FROUT
8
FLOUT (SW)
7
SROUT
6
SLOUT
5
SWOUT
(SL)
4
COUT
SBROUT 3
SBLOUT
2
1
GNDA
(ZONE)
INPUT SELECTOR
& VOLUME
V+7A
Q5269
RT1N241M
IC5255
PHONOSEL SELECT
H PHONO
L MULTI CH
4
R5743
0
R5301
6.8k
R5305
8.2k
V+7A
14
13
12
11
10
9
8
R5306
8.2k
V-7A
R5302
6.8k
C5205
100p/50
CH
C5206
100p/50
CH
GNDD
(FL)
(C)
(SB)