Schematic Diagram; Ldp-Board - Panasonic TC-55CS560C Service Manual

2 Schematic Diagram

2.1.

LDP-Board

LDP-BOARD (1/1)
!
A
TO
A-BOARD
(A02)
B
LDP2A
16
PWM2
15
BL-SOS
14
PWM1
13
POWER-ON
12
BL-ON
11
KEY
10
SUB-ON
9
8
STB5.3V
7
GND
6
GND
C7854
50V 5
GND
1000p
4
16V
3
16V
2
16V
1
C7855
50V
1000p
C
1
SUB-ON
2 POWER-ON
STB5.3V 3
4 KEY
GND 5
6 GND
TP7830 TP7831 TP7832 TP7833
GND 7
8
GND
9
16V
10
16V
11
16V
12 GND
13 GND
14 GND
15 GND
R7891 R7890
40V
16 390 390
40V 17 1/2W 1/2W
40V 18
40V 19
D
40V 20
LDP1
TO
P-BOARD
(P3)
JS7802 0
JS7803 0
JS7804 0
JS7805
0
JS7806 0
JS7807 0
0
JS7808
C7826 C7825
50V 50V
1000p 1000p
E
F
1 2
TP7809 TP7810
44V
C7810
C7841
44V 250V R7832
100k
470u 0.01u
R7827
1
IC7801
D7803
1 GND 8
VDD
R7829
47
2 7
GND
OUT C7836
C7840
25V
50V
R7835
1u
47 1000p 3 GND 6
GND
D7807
4 IN 5
GND
5.0V
C7805
25V
1u
R7816
10k
R7825
110k
C7803
R7826
50V
20k
0.01u
R7880 C7838 C7801
10k
50V 16V IC7800
0.01u 0.47u
1 40
REG50
VCC
C7839
2 39
N 25V
FAIL
1u
3 PGND 38
AGND
R7879
4 CS 37
47k
UVLO
5 OVP 36
RT
Q7800
6 35
CP
SS
7 34
LSP
R7828
FB
0
8 33
STB
VREF
9 BS1 32
CL1
10 BS2 31
CL2
11 BS3 30
CL3
12 29
BS4
CL4
13 28
BS5
CL5
14 27
BS6
CL6
15 BS7 26
CL7
16 BS8 25
CL8
17 PWM1 24
PWM8
18 PWM2 23
PWM7
19 22
PWM3
PWM6
20 21
PWM4
PWM5
R7802 R7803
2.4 2.4
1% 1%
R7800 R7801
2.4 2.4
1% 1%
3 4
L7801
C7817
3 2
1kV
1000p
L7800 L7808
4 1
D7802
L7810
D7801
C7831
63V
470u
Q7809
D
C7809
R7830
1kV
L7803
10
G
1000p
S
R7856
47k
R7863
47
R7865 R7866
0.22 0.22
1W 1W
R7864
TP7823
68
R7817
82k
1%
R7872
3.3k
1%
R7836
1M
R7818
22k
1%
D7808 R7883
0
R7875 R7819 C7802
0 4.7k
50V
C7807
R7837 0.1u
50V R7820
C7804 470k
C7806 2200p 150k
50V
25V 1%
0.01u
1u
HS7804
HS7805
Q7805
HS7806
Q7806
R7806 R7807 R7810 R7811 R7814 R7815
2.4 2.4 2.4 2.4 2.4 2.4
1% 1% 1% 1% 1% 1% HS7807
Q7807
R7845
47k
R7804 R7805 R7808 R7809 R7812 R7813
2.4 2.4 2.4 2.4 2.4 2.4
1% 1% 1% 1% 1% 1%
R7853
0
5 6
3
JS7810
0 L7802
C7834 C7835
R7823
250V 250V
150k
0.01u 0.01u
1%
R7824
150k
1%
C7833
50V R7870
8.2k
0.01u 1%
TP7813 TP7814 TP7815 TP7816 TP7817
HS7800
Q7808
R7838
47k
HS7801
Q7801
R7839
47k
R7846
0
HS7802 Q7802
R7840
47k
R7847
0
HS7803 Q7803
R7841
47k
R7848
0
Q7804
R7842
47k
R7849
0
R7843
47k
R7850
0
R7844
47k
R7851
0
R7852
C7812 C7813 C7814 C7815 C7816
0
250V 250V 250V 250V 250V
0.01u 0.01u 0.01u
0.01u 0.01u
R7889 R7990 R7991 R7992 R7993
2.2M 2.2M 2.2M 2.2M 2.2M
ZA7801
ZA7804
7 8
TP7811 TP7812
TO
LCD
PANEL
LDP5
TP7818 TP7819 TP7820
1
LED1
2
LED2
3
LED3
4
LED4
5
ANODE
6
ANODE
7
ANODE
8
ANODE
9
NC
LDP6
1
LED5
2
LED6
3
LED7
4
LED8
5
ANODE
6
ANODE
7
ANODE
8
ANODE
TO
LCD
PANEL
C7818 C7819 C7820
250V 250V 250V
0.01u 0.01u
0.01u
R7994 R7995 R7996
2.2M 2.2M 2.2M
9 9