Power And Control Block Diagram - Sony KDL-42W650A Repair Manual

POWER AND CONTROL BLOCK DIAGRAM

DC IN
KDL-42W650A
MAIN BOARD
CN8202
1, 2
19.5V
3, 4
GND
5
PWM_DIMMER
6
VLED
7
LD_STBY
8
LD_MODE_SW
9
LD_ERR
10
DC_DIMMER
BLX
SECTION 2 - TROUBLESHOOTING
LOCAL DIMMING
CN1001
1
IP_REF
2 1
LD_ERR
3 2
LD_MODE_SW
4 3
LD_STBY
5 4
FB_REF
6 5 ~ 10
PWM
7, 8 11 ~ 14
GND
9, 10
VCC_IN
LED 1
LED 2
LED 3
LED
BACKLIGHTS
LED 4
NC
LED_VCC
LD
7