Read Sony KDL-55W805A Service Manual online
KDL-55W805A 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
+OUT1
+OUT4
+OUT2
+OUT3
1
2
3
4
2
3
4
DC_DIMMER
PWM DMMER
BL_ERR
1
3
2
BL_ON
GND
5
14~17
REG12V
STBY3.3V
18, 20
21, 22
21, 22
CN6802
CN6401
CN6001
BA2S
GL2E
-OUT1
-OUT4
-OUT2
-OUT3
1
2
3
4
2
3
4
CN6803
AC_OFF_DET
POWER_ON
27
28
28
23
GND
1
3
5
5
10~12
18, 20
18, 20
21
27
28
28
23
DC_DIMMER
BL_ERR
BL_ON
GND
REG12V
STBY3.3V
AC_OFF_DET
POWER_ON
GND
PWM DIMMER
2
LCD PANEL, TCON
&
LED BACKLIGHTS
POWER SUPPLY
MAIN BOARD
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