Mother 1 Assy (1/3) - Pioneer SC-LX90 Service Manual

1

10.42 MOTHER 1 ASSY (1/3)

MOTHER1 ASSY
V
A
1/3
(JJ:AWX8771)
(KU/CA:AWX8770)
V+3UM
R8001
100k
B
R8112
100k
GNDU
GNDU
GNDU
PGM
R8053
DHREQ5 100
DHDO
DHDI5 R8051
100
DHCK5
HDRDY3
R8052
XHRST5 100
IEDI5
IEDO3
IECLK5
V+3UM
R8056
DSRDY3
100
R8057
XDSRST5 100
C
R8016
XRST 100
GNDU
ACWP3
IEIT3
R8058 100
1WWP3
R8004 100
TOL3
R8009 0
DISPRST
R8010 100
OLDET
R8011 100
DISPRDY
NEWRST
NEWRDY3
DNREQ5
R8071
100
D
GNDU
E
NOTES
1.RESISTORS
Unit: k-k
Rated power: 1/16W unless otherwise noted.
Tolerance: ±5%(J) unless otherwise noted.
2.CAPACITORS
No marked Capacitors are CEAT or CKSRYB.
Unit: p-pF or F unless otherwise noted.
Rated Voltage: shown as
F
3.DIODES
No marked Diodes are 1SS352.
Parts or parts block marked by "STBY" are standby.
V
1/3
94
1
2
V+3UM
*SIMUKE
R8151 R8152
* *
R8153 R8154
* *
GNDU
C8016
0.01
C8017
0.01
V+3UM C8018
0.01
R8002 V+3UM C8019
R8003
5.1k 0.01
C8020
0.01
STBY
C8002
0.1/16
100 99 98 97 96 95 94
1
HDMI RDY
2
HDMI RST
3
1394 DI
4
1394 DO
5
1394 CLK
6
BYTE(L:16bit)
7
CNVSS
GNDU 8
DSP RDY
9
DSP RST
10
RESET
11
XOUT
12
VSS
13
XIN
15.7M
14
VCC1
R8005 15
NMI
100k
16
WAKEUP
17
1394 INT(RDY)
18
1W WAKEUP
19
TEMP OL
20
DISP RST
21
AMP OL DET
22
DISP RDY
23
NEW RST
24
NEW RDY
25
DISP/NEW REQ
V+3UM
26 27 28 29 30 31 32
GNDU
, M-M or unless otherwise noted.
"Capacity( F)/Voltage(V)",
or 50V unless otherwise noted.
2
3
V+3UM
LOWPOW
R8155
R8165
R8167 100k
100k
R8014
R8158 STBY
100k
STBY
R8015
R8157
STBY
R8156
100k
R8164
100k
STBY
GNDU
GNDU
93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
AMP INPUT CLK
AMP INPUT DATA
IC8001
EXP CLK
PEG290A8-K
EXP OE
EXP2 ST
SYSTEM u-COM
EXP2 DT
EXP2 CLK
DISP/NEW SW
HDMI/DSP SW
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
V+3UM
R8111
100k
R8110
STBY
R8109
STBY
R8108
STBY
GNDU
EVENT
GNDU
SC-09TX
3
4
V
ACPOWER
GNDU
R8013
75
470
V+3UM
74
73
NC
R8012
72
470
NC
71
NC
70
NC
69 SDA
I2C DT
SCL
68
I2C CK
R8103 100
67 MEXST
EXP ST
66 MEXDT
EXP DT
R8102 MEXCK
65
100
MEXOE
64
63 MEX2ST
62
VSS
V+3UM
61
GNDU
60
VCC2
R8104 100
MEX2DT
59
58 MEX2CK
NC
R8007
57 12VON
12V ON
UART2
100
56
55 UART1
54
NC
53
NC
V+3US
52
NC
51
NC
12
14 11
49 50
13 (4/4)
7
9
8
14
10 7
(3/4)
IC8004
TC74VHC00FTS1
GNDU
V+3UM
R8044 100k
R8045 100k
R8047 100k
C8003
0.01
GNDU
V
2/3
V+3UM
For JIG WRITING
4
2/3
B
V
HDMT
HDCT
232SW
DS23
DS23
V
232SW
2/3
12VON
N232R
N232C
232SW
XUART2
M232
XUART1
M232
M232
232SW
DNDI5
UART
DNCK
DNRE
DNDO
UART
XUAR
DHDO
XUART
UART