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KDL-40W590B/40W600B/48W590B/48W600B 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
LOCAL DIMMING
LD
DC IN
MAIN BOARD
BAXL
PANEL
MODULE
CN2001
PWM0
20
2
PWM1
19
3
IP_REF
18
8
PWM2
17
4
AC_MON
16
12
MAIN_PWR
15
11
GND
14
25
STBY_+3.3V
13
14
GND
12
24
REG+12V
11
17
GND
10
23
19.5V_HOLD
9
18
GND
8
22
19.5V_SS
7
19
GND
6
16
GND
5
15
+19.5V
4
21
+19.5V
3
20
LD_ERR
2
28
LD_STBY
1
9
AC_IN
1
DC-IN
2
DC_GND
CN9101
2
28
BL_ERR
14
25
GND
12
24
GND
10
23
GND
8
22
GND
4
21
+19.5V(12V)
3
20
+19.5V(12V)
7
19
+19.5V_SS(12V)
9
18
+19.5V_HOLD(12V)
11
17
REG+12V
6
16
GND
5
15
GND
13
14
STBY+3.3V
16
12
AC_OFF_DET
15
11
POWER_ON
1
9
LD_STBY
18
8
IP_REF
17
4
LD_PWM_2 / SPI0_2(DATAF)
19
3
LD_PWM_1 / SPI0_1(LATF)
20
2
LD_PWM_0 /SPI0_0(EMIT IN)
NC
30
GND
NC
29
GND
NC
27
BL_ON
NC
26
DIGITAL_STBY
NC
13
TCON_ON
NC
10
SA_MODE
NC
7
FB_REF
NC
6
LD_PWR_4 / SPI0_RDATA / BLU_TEMP
NC
5
LD_PWM_3 / SPI0_3(CLKF)
NC
1
LD_MODE_SW
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