Kdl-60R520A/60R550A/70R550A - Sony KDL-50R550A Repair Manual

KDL-60R520A/60R550A/70R550A

CN1
AC IN (N)
AC IN (H)
KDL-50R550A/60R520A/60R550A/70R550A
POWER SUPPLY
CN3
1
LED1 +
3
LED1 -
5
LED2 +
7
LED2 -
9
LED3 +
1 11
LED3 -
2 13
LED4 +
15
LED4 -
CN2
1
STBY3.3V
2
AC_OFF_DET
3
POWER_ON
4, 5
AUDIO_12V GND
6, 7
REG12V_GND
8
AUDIO_12V
9~11
REG_12V
12
BL_ERR
13
BL_ON
14
PWM_DIMMER
15
N/C
GE60 (60")
GE70 (70")
SECTION 2 - TROUBLESHOOTING
CN201
STBY 3.3V
AC_OFF_DET
POWER_ON
GND
GND
AUDIO_12V
REG 12V
TCON_12V
BL_ERR
BL_ON
BL PWM
LCD PANEL, TCON
&
LED BACKLIGHTS
MAIN BOARD
1
5
6
2, 7
9, 11
12
3, 8
10
13
14
4
A
9