Composite_S Assy (1/2) - Pioneer SC-27 Service Manual

1

10.17 COMPOSITE_S ASSY (1/2)

A
*JA6503
15
1
C6717
3
Y
4
c
2
0.1u/16
5
DVR1
6
7
AKB7200-A
GNDV
*JA6504
15
1
Y
3
4
c
2
0.1u/16
5
VIDEO2
6
7
AKB7200-A
GNDV
*JA6504
8
10
Y
11
B
c
9
VIDEO1
12
13
14
AKB7200-A
GNDV
*JA6505
15
1
3
Y
4
c
2
TV/SAT
5
6
7
AKB7200-A
GNDV
*JA6505
8
Y
10
11
c
9
DVD
12
13
14
C AKB7200-A
GNDV
CN6501
1
01 D_SEL
2
02 GND HDMI
03 XOSDRST 3
04 OSDCS 4
05 EXSO5_2(OSDSO) 5
6
06 OSDSCK/EXPSCK
7
07 EXSO5_3
08 EXOEANLG 8
09 EXSTANLG 9
10
10 EXSO5_1
11
11 S-DET
12 Z2CMUTE 12
V+5R6_V
D 13 V+5.6V 13
14 V+5.6V 14
15
15 GNDV
16
16 GNDV
17 V-5.6V 17
18 V-5.6V 18
V-5R6_V
19
19 GNDF
20
20 FV IN
21 GNDV 21
22 V IN 22
23 GNDV 23
24
24 SY IN
25
25 GNDV
26 SC IN 26
27 GNDV 27
28
28 SY OUT
29
29 GNDV
30 SC OUT 30
V+5R6_V
E
CKS3545-A
V-5R6_V
KN6503
1 3
GND1 GND3
2 4
GND2 GND4
VNE1948-A
GNDV
R6714
NM
R6715
NM
R6716
F
NM
GNDV
GNDF
H
1/2
122
1
2
(Y)
A_VYINDVR1
A_VCINDVR1
(C) A_VVINTVSAT
(V)
A_VVINDVR1
A_VVOUTMSEL1
A_VVINFV
A_VVINVIDEO2
A_VYINVIDEO2
C6719
A_VCINVIDEO2
A_VVINVIDEO2
A_VVINTVSAT
A_VYINVIDEO1
C6720
A_VOUTOSD
A_VCINVIDEO1
0.1u/16
A_VVOUTZ2SEL1
A_VVINVIDEO1
A_VVINFV
A_VVINVIDEO2
C6680
1000p/50
C6721 A_VYINTVSAT
A_VCINTVSAT
0.1u/16
A_VVINTVSAT
A_VVINTVSAT
A_VOUTOSD
A_VYINDVD A_VVOUTZ3SEL1
C6722
A_VVINFV
A_VCINDVD
0.1u/16
A_VVINVIDEO2
A_VVINDVD
R6678
0
R6677
0
C6656
NM
C6657
1000p/50
GNDHDMI GNDV
D_SEL
GNDHDMI
XOSDRST
OSDCS
OSDSO
EXPSCK
EXSO5_3
EXOEANLG
EXSTANLG
EXSO5_1
S_DET
VZ2_CMUTE
C6643
CH
0.1u/16
A_VVOUTMSEL1
C6644
1000p/50
C6645
1u/10
C6646
1000p/50
CH
GNDF A_VVINFV_T
R6679
0
A_VVOUTMSEL1B
A_VYOUTMSEL1
R6615
(CV)
0
A_VYOUTMSEL1B
R6616 (CY)
0
(CY)
R6617 A_VCOUTMSEL1B
0
(CC)
A_VYOUTDVC
R6618
0
(VSY)
R6619 A_VCOUTDVC
0
(VSC)
C6641
NM
CH
C6642
CH NM
A_VCOUTMSEL1
GNDV
(CC)
V+5R6_V
V+5_V
Y/C MIX
GNDV
C6724
A_VCOUTDVC
0.01u/50
C6723
A_VYOUTDVC
1u/10
V-5_V
V-5R6_V
2
3
INPUT SELECTOR
V+5_V
IC6501
1 16
4 Vcc
2 15
6 2
(CV)
3 14
COM 1
4 13
7 0
5 12
5 3
6 11
R6701
INH A
0 7 10
C6679
VEE B
1000p/50
CH
8 9
GND C
C6676
1u/10 TC74HC4051AFT
MAIN SEL1
GNDV V-5_V GNDV
V+5_V
IC6502
1 16
4 Vcc
(OSD)
2 15
6 2
3 14
COM 1
(ZONE) 4 13
7 0
5 12
5 3
6 11
Z2_VSW1
R6702
INH A
0 7 10
Z2_VSW2
VEE B
CH
8 9
Z2_VSW3
GND C
C6677
1u/10
TC74HC4051AFT
ZONE2 SEL1
GNDV GNDV
V-5_V
V+5_V
IC6503
1 16
4 Vcc
(OSD)
2 15
6 2
3 14
COM 1
(ZONE) 4 13
7 0
5 12
5 3
6 11
Z3_VSW1
R6703
INH A
0
7 10
Z3_VSW2
C6681
VEE B
1000p/50
CH
8 9
Z3_VSW3
GND C
C6678
1u/10
TC74HC4051AFT
ZONE3 SEL1
GNDV GNDV
V-5_V
V+5_V
GNDV
R6625
(CV)
C6607 R6623
0
Q6525
10
22u/50
LSA1576UB(QR)
GNDV
V-5_V
GNDV
V+5_V
GNDV
R6632
R6630
0
Q6524
C6610
10
LSA1576UB(QR)
22u/50
GNDV
V-5_V
GNDV
V+5_V
GNDV
R6638
R6636
0
Q6516
10
C6613 LSA1576UB(QR)
22u/50
GNDV
GNDV
V-5_V V+5_V
C6726
100u/16
C6725
1u/10
IC6514
Q6528
LSC4081UB(QR)
CIN VCC
C6727 R6751
4 3
GND OUT
5 2
47u/16 0
YIN NC
R6699
6 1
R6749
MM1511XN NM
NM
GNDV GNDV
SC-27
3
4
S SEL
A_VYINTVSAT
(CV)
A_VYOUTMSEL1
A_VVINVIDEO1
(V)
A_VVINDVR1
A_VYINVIDEO2
A_VVINDVD
C6668
1000p/50
51A CH
51B
C6670
1u/10
51C
GNDV
V-5_V
A_VCINTVSAT
A_VCOUTMSEL1
A_VVINVIDEO1
(CC)
(V)
A_VVINDVR1
A_VCINVIDEO2
A_VVINDVD
C6674
1000p/50
CH
C6672
1u/10
GNDV
V-5_V
SELECTOR FOR DVC/THROUGH
(CV)
A_VVOUTMSEL1
A_VVOUTDVC
(V)
(CC)
A_VCOUTMSEL1
A_VVINDVR1
(CC)
A_VCOUTMSEL2
A_VCOUTDVC
A_VVINDVD
R6721
0
C6692
1000p/50
CH
C6691
1u/10
GNDV
V-5_V
V+5_V
A_VVOUTMSEL1B
R6604
GNDV
330
(CV)
R6601
C6598
(CY)
10u/50
10
A_VYOUTMSEL1
V+5R6_V V-5_V
V+5_OSD1
GNDV
V+5_OSD2
D6507
DAP202U
A_VYOUTMSEL1B
V+5_OSD1
(CY)
GOS1 GOS2
A_VCOUTMSEL1B
(CC)
GNDU
GOS1
V+5_V
A_VVINFV_T
R6693 10u/6.3
100 C6706
R6694 10u/6.3
100 C6707
GNDF
R6704
A_VVOUTDVC
C6708
0
A_VVINFV
R6695
0
V-5_V
4
V+5_V
IC6511
1 16
4 Vcc
2 15
6 2
A_V
(Y)
3 14
COM 1 A_V
4 13
7 0
5 12
5 3
A_V
6 11
INH A
7 10
VEE B
8 9
GND C
TC74HC4051AFT
Y SEL1
GNDV
V+5_V
IC6512
1 16
4 Vcc
A_VCINVIDEO1
2 15
6 2
(C)
3 14
COM 1
4 13 A_VCINDVR1
7 0
A_VCINDVD
5 12
5 3
6 11
51A
INH A
7 10
51B
VEE B
8 9
51C
GND C
TC74HC4051AFT
C SEL1
GNDV
V+5_V
IC6521
1 16
1Y VCC
(CV)
2 15
0Y Y-COM
(CY)
3 14
1Z X-COM
(CY)
4 13
Z-COM 1X
5 12
0Z 0X
6 11
INH A
7 10
VEE B
8 9
GND C
TC74HC4053AFT
MAIN SEL2
GNDV
S-DET
R6607
LTC
D650
R6609 NM
1SS3
10k
GNDV
R6712
1k
OSD
R6708
5.1k
R67
X6501 L6501
R67
R67
33u
ASS7080-A
V+5_V
NJM2505AF
C6709
D6508
0.01u/50
1SS302
Vin V+
4 3
GND
2
GN
VGND Vout
5 1
V+5_V
IC6543
GNDV
NM