KDL-32W600A, KDL-32W650A, KDL-42W650A, KDL-42W651A - Sony TV Service Manual (repair manual). Page 11

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KDL-32W600A/32W650A/42W650A/42W651A 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
19.5V
GND
PWM_DIMMER
1, 2
5
3, 4
VLED
LD_STBY
6
7
LD_MODE_SW
DC_DIMMER
8
9
CN8202
CN1001
LD
BKX/BLX
10
LD_ERR
1
3
4
5
6
7, 8
9, 10
IP_REF
LD_MODE_SW
LD_STBY
FB_REF
PWM
VCC_IN
GND
LD_ERR
2
DC IN
LED 1
LED 2
LED 3
1
3
2
LED 4
NC
4
5 ~ 10
LED_VCC
11 ~ 14
LED 
BACKLIGHTS
MAIN BOARD
LOCAL DIMMING
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