P-Board (2/2) - Panasonic TC-L55WT60W Service Manual

2.2.

P-Board (2/2)

P-BOARD (2/2)
!
D7401 TP7401 TP7402 TP7403
1 JS7400
0
2
D7402
C7422 C7430 C7437 C7438
390u 390u 390u
390u
63V 63V 63V 63V
3
4
TP7404 TP7405 TP7406
D7409
C7423 C7436
D7408 25V 25V
5
6
7
R7430
4.7k
R7408
39k
C7440
C7418 25V
50V 1u
R7407
0.1u
10k
8
IC7401
3
2
R7406
3.3k
1
1%
9
10
R7403
D7411
4.7k
Q7401
C7434
R7404
4.7u
100k
16V
R7420
47k
13
14
R7421
120k
10 11
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PA7407
R7823
PA7406 510k
1 OVP
2
UVLO
3
SS
4 RT
5 PWM1
C7824 C7817
R7822 R7864 6
50V 50V PWM2
47k 150k
0.01u 0.1u
7
FAILB
8 ADIM
9 ADIM_P
R7873
1
TP7413 TP7414 TP7415
Q7403
TP7410 TP7411 TP7412
PA7402
C7417
R7410
16V
15k
0.47u
R7412
15k
Q7408
C7439
R7424
16V
15k
0.47u
R7425
15k
D7404
C7523
C7522
10u 10u
35V 35V
C7521
25V
1u
IC7503
1
PDR
2 GND
3
SS/HICCUP
R7508
330k
C7525
50V
4
COMP
0.022u
Q7407
D
R7505
G 47k
Q7501
S
C7529
C7524
50V 50V
0.1u 4700p
12 13
C7813
1kV
470p
! L7802
T7800
L7805
D7800
* JS7802
* *
N1
D
R7804 R7803 Q7801
47 L7804 10
G
S
D7803 R7806
47k
R7810 R7809 R7808 R7807
0.39 0.39 0.22 0.22
R7811
0
IC7800
18
TC54
R7878
17
47k
CS
16
FB
D7802
15
ISENSE
14
VCC R7879 R7872
C7816
C7808 47k 10k
13 25V
C7805 25V 1u
STB
25V 0.47u
12
1u
GATE
C7818
R7819
11 D7804 50V
DIMOUT 1.6k
0.01u
10
GND
14
13
12
11
10
TP7416
9
8
7
6
5
4
3
2
1
P2
TO
A-BOARD
(A02)
L7502
8
SW
C7526 C7527
10u
10u
7
D7502 35V 35V
VIN
6
REF
R7506
120k
5
FB
C7520
R7507
25V
36.5k
1u
14 15
6
TP7407 TP7408 TP7409
L7803
0
C7821
R7813
250V
56k
0.01u
R7818
47k
R7814
56k
R7817
10k
C7806 C7820
R7853
160V 160V
47k
100u 100u
R7815
15k
TP7800 Q7822
R7854
10k
R7855
150k
R7837 C7801
R7816
D7801 47k 50V
D 3.3k
R7858
0.01u
Q7804 Q7805 100k
G R7839
R7835 10k
4.7k S
R7836
R7838
100k
47k
R7877
15k
R7875
100k
Q7823
R7876
100k
GND
TP7421
ECO_ON
BL_ON
TP7419
WOL
TP7418
KEY
TP7417
PQWER_ON
SUB-ON
GND
5VS
GND
16V
16V
16V
16V
! GK-BOARD
SW2857
PW
R2852 R2853 R2854 R2855
VJ2851
TO 1.91k 3.09k 6.04k 16.9k
P
P-BOARD
(P4)
SW2851
SW2852 SW2853 SW2854 SW2855
POWER-ON
3
KEY
2
GND
1
VOL DW VOL UP CH DW CH UP INPUT
GK4
16 17
R7851
4.7k
R7850 TO
4.7k
GK-BOARD
R7874 (GK4)
4.7k
12 POWER-ON
11 KEY
GND
10
BL_SOS
TP7803 TP7804 TP7805 9
BL_ON NC
8
TP7802
GND
7
FB
6
GND
5
4 16V
3 NC
2 VLED
1 VLED
P4
TO
LD-BOARD
(LD4)
and TO
GK-BOARD
(GK4)
18