Sony KDL-50R550A / KDL-50R555A / KDL-50R557A / KDL-60R520A / KDL-60R550A / KDL-60R551A / KDL-60R555A / KDL-60R557A / KDL-70R520A / KDL-70R550A / KDL-70R551A / KDL-70R555A / KDL-70R557A Service Manual ▷ View online
Chassis: RB1FK, BL
9
Chassis: RB1FK, BL
1-3. CONNECTOR DIAGRAMS
FOR 50” MODELS ONLY
Power Supply
G4(50”)
CN6401
CN201
CN6402
CN6101
3_3VSB
ACD
Power ON
Audio_12V_GND
Audio_12VGND
REG_12V_GND
REG_12V_GND
REG_12V_GND
Audio_12V
REG_12V
REG_12V
REG_12V
REG_12V
REG_12V
BL_Error
BL_ON
PWM_DIMMER
NC
UNAEG_24V
UNAEG_24V
UNAEG_24V
UNAEG_24V
UNAEG_24V
UNAEG_24V
UNAEG_24V
UNAEG_24V
UNAEG_24V
GND
GND
GND
GND
GND
GND
GND
GND
GND
BL_ERR
BL_ON
PWM_DIMMER
NC
AC_N
ACL_L
1
2
3
4
5
6
7
8
9
#
#
#
#
#
2
3
4
5
6
7
8
9
#
#
#
#
#
1
2
2
1
2
3
4
5
6
7
8
9
#
#
#
#
#
#
2
3
4
5
6
7
8
9
#
#
#
#
#
#
1
5
6
9
#
2
7
#
3
8
#
#
#
4
5
6
9
#
2
7
#
3
8
#
#
#
4
SB_3.3V
AC_DET#
PSU_EN#
PSU_EN#
GND
GND
GND
GND
GND
GND
GND
AUD_12V
PSU_12V
PSU_12V
PSU_12V
TCON_12V
PSU_BL_ERR#
PSU_BL_EN#
PSU_BL_PWM
Converter
Backlight LED
Main
Board
Panel
T-CON
CN4005
CN4004
CN4007
CN4007
CN8001
L/R
FFC
10pin
FFC
6pin
FFC
51pin
FFC
41pin
Keypad
IR/LED
/ABS
Speaker
Chassis: RB1FK, BL
10
Chassis: RB1FK, BL
1-3. CONNECTOR DIAGRAMS
Power Supply
DPS-248BP(70”)
CN2
CN201
CN3
CN1
3_3VSB
ACD
Power ON
Audio_12V_GND
Audio_12VGND
REG_12V_GND
REG_12V_GND
REG_12V_GND
Audio_12V
REG_12V
REG_12V
REG_12V
REG_12V
REG_12V
BL_Error
BL_ON
PWM_DIMMER
NC
LED1+
LED1-
LED2+
LED2-
LED3+
LED3-
LED4+
LED4-
AC_N
ACL_L
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
11
12
13
14
15
1
2
2
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
11
12
13
14
15
1
5
6
9
5
6
9
11
2
7
7
12
3
8
8
10
13
14
13
14
4
SB_3.3V
AC_DET#
PSU_EN#
PSU_EN#
GND
GND
GND
GND
GND
GND
GND
AUD_12V
PSU_12V
PSU_12V
PSU_12V
TCON_12V
PSU_BL_ERR#
PSU_BL_EN#
PSU_BL_PWM
DPS-200PP(60”)
Backlight LED
Main
Board
Panel
T-CON
CN4005
CN4004
CN4007
CN4007
CN8001
L/R
FFC
10pin
FFC
6pin
FFC
51pin
FFC
41pin
Keypad
IR/LED
/ABS
Speaker
FOR 60” & 70” MODELS ONLY
Chassis RB1FK, BL
11
Chassis RB1FK, BL
A
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27 | 28 |
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
P
—
[SYSTEM POWER/YPBPR/AV/SPDIF/USB/HDMI/DDR/FLASH/PREAMP/AUDIO AMP/LVDS/DEMOD/TUNER/ETHERNET]
A BOARD COMPONENT SIDE
1-4. MAIN BOARD (A BOARD)
Chassis RB1FK, BL
12
Chassis RB1FK, BL
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27 | 28 |
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
P
—
A
[SYSTEM POWER/YPBPR/AV/SPDIF/USB/HDMI/DDR/FLASH/PREAMP/AUDIO AMP/LVDS/DEMOD/TUNER/ETHERNET]
A BOARD CONDUCTOR SIDE
Click on the first or last page to see other KDL-50R550A / KDL-50R555A / KDL-50R557A / KDL-60R520A / KDL-60R550A / KDL-60R551A / KDL-60R555A / KDL-60R557A / KDL-70R520A / KDL-70R550A / KDL-70R551A / KDL-70R555A / KDL-70R557A service manuals if exist.