Power And Control Block Diagram - Sony KDL-70W830B Repair Manual

POWER AND CONTROL BLOCK DIAGRAM

KDL-70W830B
POWER SUPPLY BOARD
CN6401
POWER_ON 28 11
AC_OFF_DET 27 12
STBY3.3V 23 14
REG12V 17 21
REG12V 16 20
REG12V 15 19
REG12V 14 18
REG12V 13 17
GND 12 30
GND 11 29
GND 10 25
GND 9 24
GND 8 23
GND 7 22
BL ON 5 27
BL_ERR 3 28
T-CON_ON 26 NC
NC 25 NC
GND 24 NC
GND 22 NC
GND 21 NC
T-CON_VCC12V 20 NC
T-CON_Vcc12V 19 NC
REG12V 18 NC
DIGITAL_STBY 6 NC
BLINKING 4 NC
PWM_DIMMER 2 NC
DC_DIMMER 1 NC
CN6601
VLED_VCC 1 14
VLED_VCC 2 13
VLED_VCC 3 12
VLED_VCC 4 11
VLED_GND 6 9
VLED_GND 7 8
VLED_GND 8 7
VLED_GND 9 6
SIGNAL_GND 10 5
LD_ERR 11 4
GL_CTRL 12 3
REG12V 14 1
NC 5 NC
NC 13 NC
CN6101
1 AC-N
AC_IN
2 AC-L
G2B
SECTION 2 - TROUBLESHOOTING
12 30
11 29
3 28
5 27
10 25
9 24
8 23
7 22
17 21
16 20
15 19
14 18
13 17
23 14
27 12
LD BOARD
28 11
10 16
GND 10 16
9 15
GND 9 15
4 8
FB_REF 7 7
7 7
LD_PWM_3 6 5
6 5
LD_PWM_2 5 4
5 4
IP_REF 4 8
3 3
LD_PWM_1 3 3
2 2
LD_PWD_0 2 2
NC 26
LD_STDBY 8 NC
NC 13
SA_MODE 1 NC
NC 10
CN2002
NC 9
NC 6
NC 1
1 14 VLED_VCC
2 13 VLED_VCC
3 12 VLED_VCC
4 11 VLED_VCC
6 9 VLED_GND
7 8 VLED_GND
8 7 VLED_GND
9 6 VLED_GND
10 5 VLED_GND
11 4 LD_ERR
12 3 GL_CTRL
14 1 SET_12V
NC 10 NC
NC 2 NC
CN2001
LD
MAIN BOARD
CN9101
GND
GND
BL_ERR
BL_ON
GND
GND
GND
GND
+19.5V(12V)
+19.5V(12V)
+19.5V_SS(12V)
+19.5V_HOLD(12V)
REG+12V
STBY+3.3V
AC_OFF_DET
POWER_ON
GND
GND
IP_REF
FB_REF
LD_PWM_3/SPI0_3(CLKF)
LD_PWM_2/SPI0_2(DATAF)
LD_PWM_1/SPI0_1(LATF)
LD_PWM_0/SPI0_0(EMIT IN)
DIGITAL_STBY
TCON_ON
SA_MODE
LD_STBY
LD_PWR_4/SPI0_RDATA/BLU_TEMP
LD_MODE_SW
BAX
7