Power And Control Block Diagram; Kdl-50R550A - Sony KDL-50R550A Repair Manual

POWER AND CONTROL BLOCK DIAGRAM

KDL-50R550A

CN6101
KDL-50R550A/60R520A/60R550A/70R550A
POWER SUPPLY
1~5
6~10
11
12
13
1 14
AC IN (N)
2
AC IN (H)
1
2
3
4, 5
6, 7
8
9~11
12
13
14
15
G4 (50")
SECTION 2 - TROUBLESHOOTING
CN6402
UNREG 24V
GND
BL_ERR
BL_ON
PWM DIMMER
N/C
CN6401
STBY3.3V
AC_OFF_DET
POWER_ON
AUDIO_12V GND
REG12V_GND
AUDIO 12V
REG 12V
BL_ERR
BL_ON
PWM DIMMER
N/C
LCD PANEL, TCON
&
LED BACKLIGHTS
LD
MAIN BOARD
CN201
1
STBY 3.3V
5
AC_OFF_DET
6
POWER_ON
2, 7
GND
9, 11
GND
12
AUDIO_12V
3, 8
REG 12V
10
TCON_12V
BL_ERR 13
BL_ON 14
4
BL PWM
A
8