Pioneer SC-LX90 Service Manual page 251

5
LCD
LCD SEL
TC74HC4052AFT
LCD HDMI
LINE
X
1/2
LCDTH
LCDWP
LCD C2019
THROUGH
LINE
STBY
GNDHD GVV
V+5CV
R2033
C2030
470 R2075 C2033
R2073
TO HDMI 0.01
B
CVHDIN1
1k
C2032 R2032
STBY
220/10
E
B
C
C2031
0.01
C2035
GVV
V-5CV
TO HDMI
Q2035
0.01
2SC4081
C2037 R2039
220/10 4.7k R2035
B
0
Z2HDIN1
C2036
R2038
4.7k
0.01
V+5CV
GVV V-5CV
C2040
Q2040
0.01
2SC4081
C2042
330/10
R2040
B
0
CVMOUT1
C2041
R2043
4.7k
0.01
V+5CV
GVV V-5CV
C2045
Q2045
0.01
2SC4081
C2047
330/10
R2045
B
0
CVZ2OUT1
C2046
R2048
4.7k
0.01
GVV
V-5CV
OTHER2 SEL
TC74HC4052AFT
GVV
CSITE_SG
5
6
V+5CV
V+5CV
LCDINH
X
1/2
V-5CV
CVHDIN
C2025
X
1/2
33 STBY
0.01
E
C
C2027
R2027
220/10
LCDOUT1
LCDOUT
C2026
V+5CV
0.01
GVV
V-5CV
(RS)
C2052
C
220/10
CVZ3
E
Z2HDIN
R2037
0
GVV
(RS)
C2057
C
CVZ3
E 220/10
R2042
0
CVMOUT
GVV
(RS)
C
C2062
220/10
E
R2047 CVZ4OUT1
0
CVZ2OUT
GVV
CSITE_CNT
V+3CV
RECOUT
C2074
100/10
RECOUT1
V-3CV
X
1/2
6
IC2001-IC2004
VMA VMB VMC
VZ2A VZ2B VZ2C
INH
VZ3A VZ3B VZ3C
VZ4A VZ4B VZ4C
H L L
L H L
H H L
L L H
GND
H L H
L H H
H H H
L L L
V+5CV
R2028
LCDOUT
R2078
470 C2028
33 STBY
R2076 E
B
1k
C
STBY
E
B
C
LCDOUT
V+5CV
C2050
Q2050
0.01
2SC4081 (RS)
C
R2050
B
0
E
C2051 RECOUT
R2053
R2052
4.7k
0
0.01
V+5CV
V-5CV
C2055
Q2055
0.01
2SC4081 (RS)
C
R2055
B
0
E
C2056
CVZ3OUT
R2058 R2057
4.7k
0
0.01
V+5CV
V-5CV
C2060
Q2060
0.01
2SC4081 (RS)
C
R2060
B
0
E
CVZ4OUT
C2061
R2063
R2062
4.7k
0
0.01
V-5CV
X
1/2
C2075 R2070
REC A
1000/6.3 75F
V+5CV
R2071
75F
SEL
RECA1
RECA2
RECA3
RECB1
RECB2
RECB3
V-5CV
REC B
SC-09TX
7
IC2005
MINH VMSA VMSB OUT
OUT L L MAIN Through
L L H OTHER1 HDMI
TV H L HDMI OUT
SAT H H OTHER1 Through
H * *
F:S-VIDEO MUTE
VIDEO1
VIDEO2 IC2006
INH VO1A OUT
DVR1/VCR1
DVR2/VCR2 L CVBS NETWORK
GND
DVD H I-POD
IC2007
MINH VMSA VMSB
OUT
L L ZONE2 Through
L L H OTHER2 HDMI
X
1/2
H L Z2 HDMI OUT
H H OTHER2 Through
H * *
MUTE
IC2008
INH VO2A
OUT
L ZONE2 OSD
GND
H I-POD
IC2009
Z3INH VZ3SA VZ3SB
OUT
L L ZONE3 Through
L L H ZONE3 OSD
H L
I-POD
H H GND
H * * MUTE
IC2010
LCDINH LCD
OUT
L HDMI LINE
L
H Through LINE
H * MUTE
IC2006
VRA VRB
SW1 SW2 VOUT1
H L MUTE
L H RECA
L L
H H RECA
L L MUTE
X
1/2
REC OUT
JA2001
VKB1156
1
DVR1/VCR1 OUT
2
R2090
STBY
JA2002
R2091
AKB7187
STBY
(2/2)
DVR2/VCR2 OUT
3
C2082
STBY
GCV
CH
(CHASSIS)
C2083
STBY
JA2002
AKB7187
GVV GCV
(CHASSIS)
7
8
A
B
C
OUT
VOUT2
D
RECB
MUTE
RECB
MUTE
E
F
X
2/2
105
8