Read Sony XBR-65X955B Service Manual online
XBR-65X955B 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
CN6401
CN9700
NC
1
NC
28
1 POWER_ON
DIGITAL_STBY
2
18
27
2 AC_OFF_DET
BL_ERR
3
20
26
3 TCON_ON
NC
4
NC
25
4 STBY+3.3V
BL_ON
5
19
20
5 T_CON_VCC12V
GND
6
4
17
6 REG+12V
GND
7
5
16
7 REG+12V
GND
8
6
15
8 REG+12V
GND
9
14
NC
9 LDOSLAT
GND
10
13
NC
10 LDOGEMIT
GND
11
12
NC
11 LD_STBY
REG12V
12
1
11
12 GND
REG12V
13
2
10
13 GND
REG12V
14
3
9
14 GND
REG12V
15
8
NC
15 LDOSCLK
REG12V
16
7
NC
16 LDOSWDATA
REG12V
17
6
NC
17 GND_LD
T-CON_VCC12V
18
4
2
18 DIGITAL_STBY
T-CON_VCC12V
19
5
5
19 BL_ON
T-CON_VCC12V
20
5
3
20 BL_ERR
T-CON_VCC12V
21
NC
T-CON_GND
23
2
TCON
T-CON_GND
24
NC
22
1 GND
STBY_3.3V
25
4
23
2 GND
T-CON_ON
26
3
NC 3 NC
AC_OFF_DET
27
2
18
4 PWR Power V 12 IN
POWER_ON
28
1
19
5 PWR Power V 12 IN
AC_IN CN6101
K0 BOARD - CN4801
AC-N
1
12
1 PVDD(AU)
AC-L
2
13
2 PVDD(AU)
14
3 PVDD(AU)
CN6402
6
4 GND
BL_ERR
1
1
7
5 GND
LD_ERR
2
2
8
6 GND(AU)
DIGITAL_STBY
3
3
BL_ON
4
4
GND
5
5
REG12V
6
6
CN6102
AC-N
1
1
AC-L
3
3
CN6101
AC-N
1
1
AC-L
3
3
CN6603
BL_ERR
1
1
LD_ERR
2
2
DIGITAL_STBY
3
3
BL_ON
4
4
GND
5
5
REG12V
6
6
CN6601
CN2003
VLED_VCC
1
14
14
1 SET_12V
VLED_VCC
2
13
NC
2 SA_REF_L
VLED_VCC
3
12
12
3 GL_CTRL
VLED_VCC
4
11
11
4 LD_ERR
NC
5
NC
10
5 VLED_GND
VLED_GND
6
9
9
6 VLED_GND
VLED_GND
7
8
8
7 VLED_GND
VLED_GND
8
7
7
8 VLED_GND
VLED_GND
9
6
6
9 VLED_GND
SENSE_GND
10
5
NC
10 SA_REF_H
LD_ERR
11
4
4
11 VLED_VCC
GL_CTRL
12
3
3
12 VLED_VCC
NC
13
NC
2
13 VLED_VCC
REG12V
14
1
1
14 VLED_VCC
CN6602
CN2004
VLED_VCC
1
1
1
1 VLED_VCC
VLED_VCC
2
2
2
2 VLED_VCC
VLED_VCC
3
3
3
3 VLED_VCC
VLED_VCC
4
4
4
4 VLED_VCC
NC
5
NC
NC
5 NC
VLED_GND
6
6
6
6 VLED_GND
VLED_GND
7
7
7
7 VLED_GND
VLED_GND
8
8
8
8 VLED_GND
VLED_GND
9
9
9
9 VLED_GND
NC
10 VLED_GND
POWER SUPPLY
MAIN BOARD
LD BOARD
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