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SC-LX90
Service manual
Composite And Component Assys - Pioneer SC-LX90 Service Manual
Audio/video multi-channel amplifier
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Contents
Table of Contents
Table of Contents
1
11.15 COMPOSITE and COMPONENT ASSYS
SIDE A
A
X
COMPOSITE ASSY
BA
250
240
230
B
220
210
200
190
180
C
170
160
150
140
D
130
120
110
100
90
E
80
Y
190
X
F
X
230
1
2
JP4102
CN2005
CN2004
1.XZ4MUTE
2.XZ3MUTE
3.XZ2MUTE
CN2005
4.XVMUTE
5.NC
J2002
1
R2136
4
1
R2135
IC2018
R2116
1.HLCD
2.HVMUTE
C2022
3.HZ2MUTE
4.HZ3MUTE
5.HZ4MUTE
6.VSYNC
7.M_OSD_DT
R2186
C2023
R2183
8.M_OSD_CLK
10.M_OSD_RST
9.M_OSD_CS
11.EXP_OE
C2095
12.EXP_CS
13.EXP_CLK
R2185
C2096
R2184
C2098
C2091
C2090
14.EXP_DT
15.GNDHD
16.CVMAIN
C2080
17.GNDHD
C2099
R2092
18.CVZ2IN
19.GNDHD
20.CVMAIN_OUT
21.GNDHD
22.CVZ2OUT
23.GNDHD
24.LCDWP
R2028
C2028
R2052
Q2026
Q2050
R2053
C2051
C2027
C2026
C2021
Q2025
R2076
R2025
R2027
R2026
C2029
C2025
C2019
C2020
C2070
R2097
R2098
C2073
C2071
C2072
R2099
C2005
JA2002
JA2001
200
210
220
230
2
3
CN2004
R2124
C2131
R2131
C2133
C2132
R2130
R2129
5
C2123
R2115
X2102
C2139
R2158
R2144
R2147
R2140
LF
R2141
R2148
R2149
R2142
R2150
R2143
C2140
C2142
C2141
R2154
R2155
AWX8778
R2156
R2157
AWX
C2033
Q2040
R2043
R2048
Q2055
C2037
R2058
C2056
C2014
C2010
R2009
C2013
C2011
C2009
C2006
C2002
C2003
C2001
PC
JA2003
JA2004
240
250
260
270
SC-09TX
3
4
ICT
FC
R2105
C2112
C2114
C2113
R2096
X2101
R2151
R2152
R2153
R2161
[[ G ]]
23.GNDU
19.Z4MUTE
R2162
22.MMUTE
18.LCDMINH
R2163
A30C5/C7
17.LCDDINH
R2164
16.VSYNC
21.Z2MUTE
15.MOSDDT
20.Z3MUTE
C2143
14.MOSDCLK
13.MOSDCS
12.MOSDRST
11.Z2_3OSDDT
10.Z2_3OSDCLK
9.Z2OSDCS
8.Z2OSDRST
7.Z2_3OSDDT
6.Z2 _3OSDCLK
5.Z3OSDCS
4.Z3OSDRST
COMPOSITE
3.GNDU
2.LCD
VIDEO
1.GVV
Q2035
23.GAV
22.FV
IC2008
13.V-5V
21.GIP
12.V-5V
11.GVV
20.IPV
10.CVMMONI
19.GNW
9.GVV
18.NWV
8.CVZ2MONI
C2017
17.V+5V
7.GVV
16.V+5V
R2038
15.GAV
6.CVZ3MONI
C2036
14.GAV
5.GVV
4.CVZ4MONI
3.V-5CV
2.GVV
1.V+5CV
C2012
C2016
R2180
C2174
C2015
R2177
C2004
R2181
C2008
C2062
C2007
R2063
R2061
C2061
Q2151
JA2005
(ANP7592-C)
280
290
300
310
4
320
Table of
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Chapters
Section 1
2
Section 2
60
Safety Information
149
Table of Contents
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Table of Contents