Read Sony KDL-32R420B / KDL-40R470B Service Manual online
KDL-32R420B/40R470B 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
BL_VCC03
3
1
3
1
LED_VCC
BL_LED01
5
2
5
2
LED1-
BL_LED02
6
3
6
3
LED2-
BL_LED03
7
4
7
4
LED3-
BL_VCC01
1
NC
BL_VCC02
2
NC
BL_VCC04
4
NC
BL_LED04
8
NC
BL_LED05
9
NC
BL_LED06
10
NC
POWER
1
30
1
30
PANEL_VCC
POWER
2
29
2
29
PANEL_VCC
POWER
3
28
3
28
PANEL_VCC
POWER
4
27
4
27
PANEL_VCC
POWER
5
26
5
26
PANEL_VCC
NC
6
25
6
25
NC
GND
7
24
7
24
GND
GND
8
23
8
23
GND
BUS-SW
9
22
9
22
B-INT / WP
LVDS_SEL
10
21
10
21
LVDS_SEL
NC
11
20
11
20
TV SET RESERVED
GND
12
19
12
19
GND
RX3P_ODD
13
18
13
18
RX3+
RX3N_ODD
14
17
14
17
RX3-
GND
15
16
15
16
GND
RXCLKP_ODD 16
15
16
15
RXCLK+
RXCLKN_ODD 17
14
17
14
RXCLK-
GND
18
13
18
13
GND
RX2P_ODD
19
12
19
12
RX2+
RX2N_ODD
20
11
20
11
RX2-
GND
21
10
21
10
GND
RX1P_ODD
22
9
22
9
RX1+
RX1N_ODD
23
8
23
8
RX1-
GND
24
7
24
7
GND
RX0P_ODD
25
6
25
6
RX0+
RX0N_ODD
26
5
26
5
RX0-
GND
27
4
27
4
GND
SDA
28
3
28
3
I2CC_SDA
SCL
29
2
29
2
I2CC_SCL
NC
30
1
30
1
NC
AC ADAPTOR
CN9000
CN100
CN8601
(LED BACKLIGHTS)
SOURCE BOARD
KDL-32R420B
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