Read Sony XBR-85X950B Service Manual online
XBR-85X950B 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
CN6401
CN9700
N
C
1
N
C
28
1
POW
ER_
ON
POW
ER_
ON
DIGI
TA
L_
ST
BY
2
18
27
2
AC_
AC_
O
FF
_D
ET
BL
_ERR
3
20
26
3
TCON
_ON
TCON
_ON
N
C
4
N
C
25
4
ST
ST
BY+
3.3
V
BL
_ON
5
19
20
5
T_
T_
CON
_V
_V
CC
12
V
GN
D
D
6
4
17
6
REG+
REG+
12
V
GN
D
D
7
5
16
7
REG+
REG+
12
V
GN
D
D
8
6
15
8
REG+
REG+
12
V
GN
D
D
9
14
N
C
9
LD
LD
OS
LA
T
GN
D
D
10
13
N
C
10
LD
OGEM
IT
GN
D
D
11
12
N
C
11
LD
_S
TBY
REG
12
12
V
12
1
11
12
GN
D
D
REG
12
12
V
13
2
10
13
GN
D
D
REG
12
12
V
14
3
9
14
GN
D
D
REG
12
12
V
15
8
N
C
15
LD
OS
CL
K
REG
12
12
V
16
7
N
C
16
LD
OS
W
DA
TA
REG
12
12
V
17
6
N
C
17
GN
D_
D_
LD
T-CON
_V
_V
CC
12
V
18
18
4
2
18
DIGI
TA
L_
ST
BY
T-CON
_V
_V
CC
12
V
19
19
5
5
19
BL
_ON
T-CON
_V
_V
CC
12
V
20
20
5
3
20
BL
_ERR
T-CON
_V
_V
CC
12
V
21
21
3
T-CON
_GN
D
_GN
D
22
1
T-CON
_GN
D
_GN
D
23
2
TC
O
N
T-CON
_GN
D
_GN
D
24
N
C
22
1
GN
D
GN
D
ST
BY_
3.3
V
25
4
23
2
GN
D
GN
D
T-CON
_ON
_ON
26
3
21
3
PW
PW
R
Po
we
r V
12
IN
AC_
O
FF
_D
ET
27
2
18
4
PW
PW
R
Po
we
r V
12
IN
POW
ER_
ON
ER_
ON
28
1
19
5
PW
PW
R
Po
we
r V
12
IN
AC
_IN
C
N610
1
K0
- C
N480
1
AC-
N
1
12
1
PV
PV
DD
(A
U)
AC-
L
2
13
2
PV
PV
DD
(A
U)
14
3
PV
PV
DD
(A
U)
CN640
2
6
4
GN
D
GN
D
BL
_ERR
1
1
7
5
GN
D
GN
D
LD
_ERR
2
2
8
6
GN
D(A
GN
D(A
U)
DIGI
TA
L_
ST
BY
3
3
BL
_ON
4
4
GN
D
D
5
5
REG
12
12
V
6
6
CN610
2
AC-
N
1
1
AC-
L
3
3
G
5
CN610
1
AC-
N
1
1
AC-
L
3
3
CN650
3
PF
C_
OUT
1
1
PF
C_
GN
D
D
2
2
CN610
2
PRI
_V
CC
1
1
PRI
_GN
D
D
2
2
CN650
1
PRI
_V
CC
1
1
PRI
_GN
D
D
2
2
CN650
3
PF
C_
OUT
1
1
PF
C_
GN
D
D
2
2
CN660
3
BL
_ERR
1
1
LD
_ERR
2
2
DIGI
TA
L_
ST
BY
3
3
BL
_ON
4
4
GN
D
D
5
5
REG
12
12
V
6
6
CN640
1
LD
- C
N200
3
VL
ED
_V
CC
1
14
14
1
SE
SE
T_
12
V
VL
ED
_V
CC
2
13
N
C
2
SA
SA
_REF
_L
_L
VL
ED
_V
CC
3
12
12
3
GL
GL
_CT
RL
VL
ED
_V
CC
4
11
11
4
LD
LD
_ERR
N
C
5
N
C
10
5
VL
VL
ED
_GN
D
D
VL
ED
_GN
D
D
6
9
9
6
VL
VL
ED
_GN
D
D
VL
ED
_GN
D
D
7
8
8
7
VL
VL
ED
_GN
D
D
VL
ED
_GN
D
D
8
7
7
8
VL
VL
ED
_GN
D
D
VL
ED
_GN
D
D
9
6
6
9
VL
VL
ED
_GN
D
D
SEN
SE_
GN
D
D
10
5
N
C
10
SA
_REF
_H
_H
LD
_ERR
11
4
4
11
VL
ED
_V
CC
GL
_CT
RL
12
3
3
12
VL
ED
_V
CC
N
C
13
N
C
2
13
VL
ED
_V
CC
REG
12
12
V
14
1
1
14
VL
ED
_V
CC
CN640
2
LD
- C
N200
4
VL
ED
_V
CC
1
1
1
1
VL
VL
ED
_V
CC
VL
ED
_V
CC
2
2
2
2
VL
VL
ED
_V
CC
VL
ED
_V
CC
3
3
3
3
VL
VL
ED
_V
CC
VL
ED
_V
CC
4
4
4
4
VL
VL
ED
_V
CC
N
C
5
N
C
N
C
5
N
N
C
VL
ED
_GN
D
D
6
6
6
6
VL
VL
ED
_GN
D
D
VL
ED
_GN
D
D
7
7
7
7
VL
VL
ED
_GN
D
D
VL
ED
_GN
D
D
8
8
8
8
VL
VL
ED
_GN
D
D
VL
ED
_GN
D
D
9
9
9
9
VL
VL
ED
_GN
D
D
N
C
10
VL
VL
ED
_GN
D
D
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