Sony KDL70XBR7 Training Manual page 15

TO CCFL BACKLIGHTS (X16)
LL BALANCER
HIGH
VOLTAGE
CN103
LEFT INVERTER
CN6800
CN6800
1~5 – 24VDC
6~10 – GND
11 – ERR_OUT
12 – INV_ON
13 – N/C
14 - DIMMER
CN6900
CN6900
1 – PRI_VCC
2 – PRI_VCC GND
NOTE: FLOATING
GROUND
AC IN
CTV-53
TO CCFL BACKLIGHTS (X16)
LC BALANCER
CN103
1, 2 – LD (NORM 12V)
HIGH
3, 4 – GND
VOLTAGE
5, 6 – FEEDBACK
7 – 12VDC
CN6802
G9
CN6801
FBU
CN6402
1~3 – REG 12V
4~6 – GND
7 – STBY 3.3V
8 – AC_OFF_DET
9 – PWR_ON
12 – INV_ERR (NORM LOW)
13 – INV_ON
14 - DIMMER
INVERTER AND BACKLIGHT BLOCK DIAGRAM
TO CCFL BACKLIGHTS (X16)
RC BALANCER
HIGH
VOLTAGE
CN102 CN202
CN102
1 – A OUT
2 – B OUT
3, 5 – GND
4 - OVP
6 – UVL01
7 – UVL02
AC AC
F2
FIGURE 4-1
Chapter 4 - Inverter and Backlight Troubleshooting
TO CCFL BACKLIGHTS (X16)
RR BALANCER
RIGHT INVERTER
CN6802
CN6800
G9
CN6900 CN6801
AC
CN6200 CN6403
G8
HIGH
VOLTAGE
CN6403
1, 3 – 12VDC
2, 4 – GND
5 – INV_ERR
6 – INV_ON
7 – DIMMER
13