Power And Control Block Diagram - Sony XBR-49X850B Repair Manual

POWER AND CONTROL BLOCK DIAGRAM

XBR-49X850B
SECTION 2 - TROUBLESHOOTING
POWER SUPPLY
CN6401
NC 1 NC
DIGITAL_STBY 2 18
BL_ERR 3 20
NC 4 NC
BL_ON 5 19
GND 6 4
GND 7 5
GND 8 6
GND 9 14
GND 10 13
GND 11 12
REG12V 12 1
REG12V 13 2
REG12V 14 3
REG12V 15 8
REG12V 16 7
REG12V 17 6
T-CON_VCC12V 18 4
T-CON_VCC12V 19 5
T-CON_VCC12V 20 5
T-CON_VCC12V 21 NC
T-CON_GND 22 1
T-CON_GND 23 2
T-CON_GND 24 NC
STBY_3.3V 25 4
T-CON_ON 26 3
AC_OFF_DET 27 2
POWER_ON 28 1
AC_IN CN6101
AC-N 1
AC-L 2
CN6601
VLED_VCC 1 14
VLED_VCC 2 13
VLED_VCC 3 12
VLED_VCC 4 11
NC 5 NC
VLED_GND 6 9
VLED_GND 7 8
VLED_GND 8 7
VLED_GND 9 6
SENSE_GND 10 5
LD_ERR 11 4
GL_CTRL 12 3
NC 13 NC
REG12V 14 1
MAIN BOARD
CN9700
28 1 POWER_ON
27 2 AC_OFF_DET
26 3 TCON_ON
25 4 STBY+3.3V
20 5 T_CON_VCC12V
17 6 REG+12V
16 7 REG+12V
15 8 REG+12V
NC 9 LD0SLAT
NC 10 LD0SEMIT
NC 11 LD_STBY
11 12 GND
10 13 GND
9 14 GND
NC 15 LD0SCLK
NC 16 LD0SWDATA
NC 17 GND_LD
2 18 DIGITAL_STBY
5 19 BL_ON
3 20 BL_ERR
TCON
22 1 GND
23 2 GND
NC 3 NC
18 4 PWR Power V 12 IN
19 5 PWR Power V 12 IN
K2 - CN4802
12 1 PVDD(AU)
13 2 PVDD(AU)
14 3 PVDD(AU)
6 4 GND
7 5 GND
8 6 GND(AU)
LD - CN2002
14 1 SET_12V
NC 2 SA_REF_L
12 3 GL_CTRL
11 4 LD_ERR
10 5 VLED_GND
9 6 VLED_GND
8 7 VLED_GND
7 8 VLED_GND
6 9 VLED_GND
NC 10 SA_REF_H
4 11 VLED_VCC
3 12 VLED_VCC
2 13 VLED_VCC
1 14 VLED_VCC
7