Read Sony KDL-42W805B Service Manual online
KDL-42W805B 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
CN2001
CN9101
+19.5V(12V)
30
21
29
30
GND
GND
29
30
25
29
GND
+19.5V(12V)
28
20
17
28
BL_ERR
+19.5V_HOLD(12V)
27
18
23
25
GND
GND
25
29
21
24
GND
+19.5V_SS(12V)
24
19
19
23
GND
GND
23
25
11
22
GND
GND
21
24
30
21
+19.5V(12V)
REG+12V
20
17
28
20
+19.5V(12V)
GND
19
23
24
19
+19.5V_SS(12V)
BL_ERR
17
28
27
18
+19.5V_HOLD(12V)
POWER_ON
16
11
20
17
REG+12V
AC_OFF_DET
15
12
1
16
GND
LD_MODE_SW
14
1
2
15
GND
STBY+3.3V
12
14
12
14
STBY+3.3V
GND
11
22
15
12
AC_OFF_DET
PWM_3
9
5
16
11
POWER_ON
IP_REF
8
8
4
9
LD_STBY
PWM_2
7
4
8
8
IP_REF
FB_REF
6
7
6
7
FB_REF
PWM_1
5
3
9
5
LD_PWM_3
LD_STBY
4
9
7
4
LD_PWM_2
PWM_0
3
2
5
3
LD_PWM_1
GND
2
15
3
2
LD_PWM_0
GND
1
16
14
1
LD_MODE_SW
LD
DC IN
MAIN BOARD
BAX
PANEL
MODULE
AC_IN
1
DC-IN
2
DC_GND
LD BOARD
Click on the first or last page to see other KDL-42W805B service manuals if exist.