Pioneer SC-LX90 Service Manual page 370

1
SIDE B
A
B
CN8029
C
CN8030
D
CN8031
CN8027
E
F
V
280 270
224
1
2
V
MOTHER 1 ASSY
CN8025 CN8022
CN8026 CN8021 CN8023
1.V+5.6ST
3.V+5.6U
5.GNDU
2.V+5.6ST
7.GNDU 4.V+5.6U
9.V+12F 6.GNDU
10.V+12F
11.232CTS 12.232RX
13.232TX 14.SMPS RY1
15.SMPS RY2 16.ACRY
17.WAKEUP 18.1W WUP
19.12VON
R8035
1.Z2 MUTE
2.Z3 MUTE
3.Z VOL DT
1.NEW2DI DO 4.Z VOL CLK
5.MODE DT
2.NEW2DI CK
3.NEW2DI REQ 6.MODE CLK
4.NEW2DI RDY 7.MODE STB
5.NEW2DI DI 8.GNDD
6.DISPLAY DI
7.DISPLAY DO
8.DISPLAY CK CN8022
23.EXR DA
22.GNDSP
9.DISPLAY REQ
21.EXL DA
10.DISPLAY RDY
20.GNDSP
11.DISPLAY RST
19.SRB DA
12.EVENT DI
18.GNDSP
13.EVENT DO
17.SLB DA
1.EVENT CK 16.GNDSP
2.EVENT REQ 15.SRA DA
3.EVENT RDY 14.GNDSP
4.EVENT RST 13.SLA DA
5.MEXP ST 12.GNDSP
11.FR DA
6.MEXP DT
7.MEXP CK 10.GNDSP
8.MEXP OE 9.GNDSP
9.GNDV 8.FL DA
10.GNDV 7.GNDSP
11.NET Y 6.C2 DA
CN8025
12.GNDV 5.GNDSP
13.NET CB 4.C1 DA
14.GNDV 3.GNDSP
15.NET CR 2.SBR DA
16.GNDV 1.GNDSP
17.IP V
18.GNDV
19.GNDV
20.NET V
1.AMIST
21.V+5V
2.AZ2IT
3.AZ3IT
23.SBL DA
4.INDT
22.GNDSP
5.INCLK
21.SW2 DA
6.GNDD
20.GNDSP
7.GNDD
19.SW1 DA
8.GNDA
18.GNDSP
9.ZONE2 D/A L
17.GNDASP
10.GNDA
16.SBL AD
11.ZONE2 D/A R
15.GNDASP
1.HPRY
12.GNDA
14.SBR AD
2.GNDA (SEP)
13.ZONE3 D/A L
13.GNDASP
3.HP R
14.GNDA
12.SL AD
4.GNDA
15.ZONE3 D/A R
11.GNDASP
5.HP L
16.GNDA
10.SR AD
6.GNDA
17.GNDA
9.GNDASP
7.GNDA
8.FL AD
8.VMIST
7.GNDASP
9.VZ2IST
6.FR AD
10.VZ3IST
5.GNDASP
11.INDT
4.C AD
12.INCLK
3.GNDASP
13.GNDD
2.SW AD
1.GNDASP
CN8028
14.Z2VOLIN L
13.GNDZ2
12.GNDZ2
11.GNDZ2 CN8026 1.Z2VOLOUT L
10.Z2VOLIN R 2.GSEPZ2
9.GNDZ2 9.V+15A
3.Z2VOLOUT R
C8209
8.V+15A
8.NET L 4.GSEPZ2
R8299
7.V+15A
7.GSEPNW 5.Z2VOLIN L
R8298
6.GNDA
6.NET R
6.GNDZ2
C8208
5.GNDA
5.GNDA 7.Z2VOLIN R
4.GNDA 4.GNDA
8.GNDZ2
3.V-15A
3.HR L 9.NC
2.V-15A
2.GSEPHR 10.NC
1.HR R 1.V-15A
11.NC
260 250 240 230
2
3
CN8024
CN8020
1.NC
2.MVOL STB2
3.MVOL STB1
4.MVOL DT
5.MVOL CLK CN8020
6.GNDD
7.GNDD
CN8021
CN8023
CN8024
220 210 200 190
SC-09TX
3
4
CN8035
CN8019 CN8016
CN8018 CN8015
CN8015
CN8018 1.V+5US
2.GNDU
1.AMP DT
3.GNDU
2.AMP CLK
4.V+3UM
3.AMP STB
5.X232C
4.GNDU
6.232CTS
5.GNDU
7.232RX
6.HPMUTE
8.232TX
7.HPRY
9.POFF
8.MUTEA
10.DISP DO
9.GNDD
11.DISP CK
10.GNDD
12.DISP REQ
11.NC
13.DISP RDY
14.DISP DI
15.NEW DI
16.NEW DO
17.NEW CK
18.NEW REQ
19.NEW RDY
20.NEW RST
21.XUART2
CN8016
16.GNDU (HR)
CN8019
15.GNDU (HR)
14.HR_SCL
13.HR_SDA
12.HR_RST
11.XM OL
10.XM POW
9.XM LSDT
8.XM LINK
1.HP R
7.XM RST
2.GNDA
6.XM IRQ
3.HP L
5.XM TX
4.GNDA
4.XM RX
5.GNDA
3.XM RATE
6.Z2VOLOUT L
2.XM FS
7.GSEPZ2
1.XM MUTE
8.Z2VOLOUT R
9.GSEPZ2
CN8035
10.XM DT4
9.iP SPDIF
8.GNDiP
7.NET TX
6.NET RX
5.NET RST
4.GNDU
3.IPVIDEO
R8116
2.GNDV
1.V+5V
R8115
R8118
180 170 160 150
4
CN8009
CN8011
CN8012
LF LF
140 130 120