No Power - Sony KDL-40BX450 Service Training Manual

NO POWER

AC IN (N)
AC IN (H)
KDL-40BX450/40BX451/46BX450/46BX451
SECTION 3 - FLOW CHARTS AND DIAGRAMS
POWER SUPPLY
CN6402
1~5
UNREG24V
6~10
GND
11
BL_ERR
CN6101
12
BL-ON
1 13
N/C
2 14
DIMMER
CN6401
1
STBY3.3V
2
AC_OFF_DET
3
POWER_ON
4
AUDIO_12V
5
AUDIO_GND
6, 7
REG12V_GND
8, 9
REG12V
10
BL_ERR
11
BL_ON
12
DIMMER
13
N/C
14
TCON_12V
15
TCON_ON
G10 (40")
G11 (46")
INVERTER
POWER AND CONTROL BLOCK DIAGRAM
LCD PANEL &
CCFL BACKLIGHTS
MAIN BOARD
CN201
8
REG 12V
5, 7, 9
GND
10
AUDIO_12V
1
DIMMER
12
BL_ERR
13
BL_ON
14
TCON_12V
3
AC_FF_DET
15
TCON_ON
4
STBY 3.3V
2
POWER_ON
A
10