Read Sony KDL-65S990A Service Manual online
KDL-65S990A 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
BL_ERR
LD_ERR
BL_ON
1
2
3
4
2
3
4
AC IN (N)
AC IN (L)
1
2
2
CN6402
CN6401
CN6101
AC-L
3
AC-N
1
1
2
3
4
2
3
4
CN6102
CN6602
3
1
CN6101
VLED_VCC
GL_CTRL
VLED_GND
LD_ERR
1~4
6~9
11
12
12
REG_12V
14
LD
BOARD
DIGITAL_STBY
CN6601
2
5
AU_GND
28
STBY3.3V
AC_OFF_DET
BL_ERR
3
DIGITAL_STBY
REG_12V
25
27
GND
REG 12V
5
6
5
6
CN9101
BA2SC
G6
MAIN POWER AND
CONVERTER
MAIN BOARD
PFC, PRI_VCC AND
STANDBY POWER SUPPLY
BL_ON
10~11
16
GND
POWER_ON
20
5
4
STBY3.3V
AC_OFF_DET
BL_ERR
DIGITAL_STBY
REG_12V
BL_ON
GND
POWER_ON
G7B
14~15
9
REG_12V
GND
REG_12V PANEL
GND
1
2
2
4
7~9
11
12
12
13~14
15
16
18
16
18
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