Digital Main Assy (4/7) - Pioneer SC-27 Service Manual

1

10.11 DIGITAL MAIN ASSY (4/7)

V+5_R1 V+5_HD
V+5_E1
D1601
1SS301
A
L1612
JA1601
NM
HDMI IN 3
R1643
AKP7224-A
NM
(AKP7239-A) C1696
330p/50
R1620
CH
NM
Hot Plug Detect 19
C1601 Q1601
+5V 18
CH Q1601
1000p/50
NM
DDC/CEC GND 17
L1609
NM
16
SDA
L1610
NM
15
SCL
L1601
14
NC
NM
13
CEC
12
Clock-
11
Clock Shield
10
Clock+
Data0- 9
Data0 Shield 8
Data0+ 7
Data1- 6
Data1 Shield 5
Data1+ 4
Data2- 3
2
Data2 Shield
1
Data2+
B
GNDD
V+5_R2
JA1602
HDMI IN 2 L1615
R1644
NM
AKP7224-A 0
(AKP7239-A)
C1697
330p/50 R1625
NM
19 CH
Hot Plug Detect
C1602 Q1602
18
+5V
CH Q1602
1000p/50
NM
17
DDC/CEC GND
L1613
NM
16
SDA
L1614
NM
15
SCL
L1602
NC 14
NM
CEC 13
Clock- 12
Clock Shield 11
Clock+ 10
Data0- 9
Data0 Shield 8
7
Data0+
C
6
Data1-
5
Data1 Shield
4
Data1+
3
Data2-
2
Data2 Shield
1
Data2+
GNDD
V+5_R3
JA1603
HDMI IN 1 L1618
R1645
NM
AKP7224-A
0
(AKP7239-A)
C1698
100p/50
R1626
CH NM
Hot Plug Detect 19
Q1603
C1603
+5V 18
Q1603
CH
1000p/50
NM
DDC/CEC GND 17
L1616
NM
SDA 16
L1617
NM
SCL 15
L1603
D
NC 14
NM
13
CEC
12
Clock-
11
Clock Shield
10
Clock+
9
Data0-
Data0 Shield 8
Data0+ 7
Data1- 6
Data1 Shield 5
Data1+ 4
Data2- 3
Data2 Shield 2
Data2+ 1
GNDD
V+5_R4
HDMI BD IN
JA1604
E
L1619
R1646
NM
AKP7224-A 0
(AKP7239-A)
C1699
330p/50
R1627
NM
CH
Hot Plug Detect 19
C1604 Q1604
18
+5V
CH
Q1604
1000p/50
NM
17
DDC/CEC GND
L1620
NM
16
SDA
L1621
NM
15
SCL
L1604
14
NC
NM
13
CEC
12
Clock-
Clock Shield 11
Clock+ 10
Data0- 9
Data0 Shield 8
Data0+ 7
Data1- 6
Data1 Shield 5
4
Data1+
3
Data2-
2
Data2 Shield
1
Data2+
GNDD
F
E
4/7
110
1
2
R1617
0 HPD_C
HPD1
R1618
0 SDA_C
R1619
0 SCL_C
R1621 NM
DSDA1
R1622 NM
DSCL1
R1XC-
R1XC+
R1X0-
R1X0+
R1X1-
GNDD
R1X1+
HOTDET53
V+3R3_EM_D
R1X2- C1634
0.1u/10
R1X2+
IC1605
TC74VHC153FT
V+5_R2V+5_R3V+5_R4
1 16
1G VCC
2 15
B 2G
HOTDET52
3 14
1C3 A V+5_F
4 13
1C2 2C3
5 12
1C1 2C2
6 11
1C0 2C1
7 10
1Y 2C0
8 9
GND 2Y
R1665
HDMI5VDET
0
GNDD
R1PWR5V
HDSCL
HDSDA
HPD2
DSDA2
DSCL2
R2XC-
R2XC+
R2X0-
R2X0+
R2X1-
R2X1+
R2X2-
R2X2+
V+3R3_HHH
L1503
V+1R2_HD
ATL7010-A
L1504
ATL7010-A
HPD3
DSDA3
DSCL3
R3XC-
R3XC+
R3X0-
R3X0+
R3X1-
R3X1+
R3X2-
R3X2+
HPD4
V+1R2_HD
DSDA4 V+3R3_HHH
DSCL4
R4XC-
R4XC+
IC1592
R4X0- V+1R2_HD
R1172H121B
R4X0+
1 5
CE VOUT
2
R4X1-
GND
3 4
NC VDD
R4X1+
R4X2-
R4X2+ GNDD
SC-27
2
3
SDA_C
SCL_C
V+5_E1 V+5_E1
C1632
0.1u/10
C1631
0.1u/10 IC1603
TC7MB3257FK
IC1602
1 16
S-24CS02AFT
S Vcc
1 8 2 15
A0 VCC 1B1 OE
2 7 R1653 3 14
A1 WP 1B2 4B1
100
3 6 4 13
A2 SCL 1A 4B2
R1652 10
4 5 5 12
GND SDA 2B1 4A
R165110 6 11
2B2 3B1
7 10
Q1611 2A 3B2
WP1
8 9
DTC114YUA
GND 3A
GNDD
GNDD
V+5_HD
C1633
0.1u/10
V+5_R1
IC1604
TC7WH157FU
Q1612
1 8
HN1K02FU
A VCC
2 7
1 6
B ST
3 6
2 5
Y SELECT
4 5
3 4
GND Y
GNDD
R1659
0
SII9233ACTU
L1505
QTL1013-A
L1506
QTL1013-A
GNDD
R1502
V+1R8_HHH
1M
X1501
4 3
3
4
1 2
2
1
ASS7092-A
27MHz
GNDD
3
4
HPD_C
R1631
0
1
SDA_C 2
SCL_C 3
4
1 RXTM
GND1
2 SDA_C
5
R1XC-
CCLKN
3 SCL_C
6
R1XC+
CCLKP
C1613
7
0.1u/10
VCC1
C1638
8
R1X0- 470p/16
CDTON
IC1601
9
R1X0+
CDTOP
10 CXB1444R
GND2
11
R1X1-
CDT1N
HDMI EQ SW
12
R1X1+
CDT1P
C1614
13
0.1u/10
VCC2
C1639
R1X2- 470p/16 14
CDT2N
R1X2+ 15
CDT2P
18 REXT
16
V+3R3_HHH GND3
C1640
19 OPACTRLN
470p/16
17
VCC3 20 CEC_TX
C1615
18
0.1u/10
R1632 19
4.7k
20
GNDD
IC1501
GNDD
4
60
59
58
57
CEC_LINE 60
ADT2N
GND10 59
56
VCC8
ADT2P 58
55
ADT1P
54
ADT1N
53
GND9
52
ADTOP
51
ADTON
50
VCC7
49
ACLKP
48
ACLKN
47
GND8
46 R1642
SCL_A
VCC6 43
45 R1641
SDA_A
OUTDIS 42
44
C1618
CEC_RX 41 HPD_A
0.1u/10
43
42
C1619
41
1000p/50
R1635
1k
R1634
1k
V+3R3_RX V+3R3_HHH
L1501
ATL7010-A
V+1R2_RX
L1502
ATL7010-A