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11 Schematic Diagram
11.1. Schematic Diagram Note
37
37
11.2. P-Board (1/6) Schematic Diagram
COLD
A
HOT
COLD
HOT
B Europe
Asia
TO
AC CORD
C
D
HOT
COLD
E
P-BOARD (1/6)
LSEP1260BEHB (42 inch)
LSEP1261BEHB (37 inch)
F
AA AB AC AD AE AF AG AH
TH-37/42PV8P, PX8B/E
P-Board (1 of 6) Schematic Diagram
1 2 3 4 5
38
COLD
HOT
Europe
Asia
1
e
2
3
PFC
HOT COLD
AI AJ
TH-37/42PV8P, PX8B/E
P-Board (1 of 6) Schematic Diagram
5 6 7 8 9
38
11.3. P-Board (2/6) Schematic Diagram
COLD COLD
A
HOT HOT
1
B
2
C
3
HOT HOT
COLD COLD
D
POWER
CONTROL
(Vlow)
E
F P-BOARD (2/6)
LSEP1260BEHB (42 inch)
LSEP1261BEHB (37 inch)
BA BB
TH-37/42PV8P, PX8B/E
P-Board (2 of 6) Schematic Diagram
1 2 3 4 5
39
TO
ERROR DET SS-BOARD
(Vda) (SS12)
BE
BC BD BF BG BH BI BJ BK BL BM BN BO BP BQ BR
TH-37/42PV8P, PX8B/E
P-Board (2 of 6) Schematic Diagram
5 6 7 8 9
39
11.4. P-Board (3/6) Schematic Diagram
AA AB AC AD AE AF AG AH
A
P-BOARD (3/6)
LSEP1260BEHB (42 inch)
LSEP1261BEHB (37 inch)
B
C
ERROR DET
IPD
D
E
HOT PHOTO PHOTO
COUPLER COUPLER
COLD
F
CA CB CC CD CE CF
TH-37/42PV8P, PX8B/E
P-Board (3 of 6) Schematic Diagram
1 2 3 4 5
40
AI AJ
11
12
13
14
IPD
PHOTO
COUPLER
ERROR DET
HOT
COLD
15
16
17
PHOTO
COUPLER
18
19
20
21
CF CG CH CI CJ CK CL CM CN CO
TH-37/42PV8P, PX8B/E
P-Board (3 of 6) Schematic Diagram
5 6 7 8 9
40
11.5. P-Board (4/6) Schematic Diagram
BA BB
A
P-BOARD (4/6)
LSEP1260BEHB (42 inch)
LSEP1261BEHB (37 inch)
B
11
12
13
C
14
D
ERROR DET
E
15
16
17
18
19
20
21
F
DA DB DC DD DE
TH-37/42PV8P, PX8B/E
P-Board (4 of 6) Schematic Diagram
1 2 3 4 5
41
BC BD BF BG BH BI BJ BK BL BM BN BO BP BQ BR
BE
TO
SC-BOARD
(SC2)
TO
SS-BOARD
(SS11)
PHOTO
COUPLER
ERROR DET
PHOTO
COUPLER
DF DG DH DI DJ DK DL DM DN
TH-37/42PV8P, PX8B/E
P-Board (4 of 6) Schematic Diagram
5 6 7 8 9
41
11.6. P-Board (5/6) Schematic Diagram
CA CB CC CD CE CF
A
B
C
D
POWER MCU
RESET
E
P-BOARD (5/6)
LSEP1260BEHB (42 inch)
LSEP1261BEHB (37 inch)
F
TH-37/42PV8P, PX8B/E
P-Board (5 of 6) Schematic Diagram
1 2 3 4 5
42
CF CG CH CI CJ CK CL CM CN CO
41
42
43
44
45
46
47
48
49
50
51
52
TH-37/42PV8P, PX8B/E
P-Board (5 of 6) Schematic Diagram
5 6 7 8 9
42
11.7. P-Board (6/6) Schematic Diagram
DA DB DC DD DE
A
P-BOARD (6/6)
LSEP1260BEHB (42 inch)
LSEP1261BEHB (37 inch)
B
41
C
42
43 DC-DC CONV.
44
45
NO
USE
D
TO
A-BOARD
(A25)
46
47
48
E 49
50
51
52
F
TH-37/42PV8P, PX8B/E
P-Board (6 of 6) Schematic Diagram
1 2 3 4 5
43
DF DG DH DI DJ DK DL DM DN
TO
A-BOARD
(A6)
TO
A-BOARD
(A7)
TH-37/42PV8P, PX8B/E
P-Board (6 of 6) Schematic Diagram
5 6 7 8 9
43
11.8. G, GS, and K-Board Schematic Diagram
A
! GS-BOARD TXNGS1RWTB 12 SDWP
SDDAT3
11
SDDAT2
K1NA09D00004 10
SDDAT1
R7716 JK7701 9
0
SDDAT0
8
9 SDDAT2 R7703 68
SDDTC
7
1 SDDAT3 R7705 68
GND
6
2 SDCMD R7709 68
SDCMD
5
3 GND
JS7701 R7731 GND
L7721 4
0 < 0
4 3.3V
SDCLK
3
+
B C7729
6.3V
10u
C7708
16V
0.1u
5 SDCLK R7706
<
0 R7713 0 J0JCC0000143
2
GND
6 GND
3.3V
1
C7702 7 SDDAT0 R7704 68
4V
47u
GS52 TO
8 SDDAT1 R7701 68 A-BOARD
(A52)
R7796 0
R7702 10
0 D.SW R7797 0
R7710
11 100 R7798 0
R7795 0
12
W.P.
R7708
0
C7709 C7705 C7727 C7726 C7703 C7701
16V 16V 50V 50V 50V 50V
0.1u 0.1u 33p 33p 33p 33p
C
REMOCON
POWER LED
RM2501
J0JCC0000100
PNA4701M07TV
L3708
D2520
VCC
GND
OUT
LNJ107W5PRW
R
G
<
3
2
1
D2512 C3703
MAZ80560ML
50V
560p
C2515
C2512 C2521 R2531 1% D2524
50V
50V 270 MAZ80560ML
10V 0.01u
10u 0.01u R3716
180k
R2517
47
B/E ONLY
D D2530
MAZ80560ML *Q2510
2SD0601A0L
*Q2513
2SD0601A0L
*R2572
0
R2516 R2542 R2530
47k 47k
22k
*D2526 *C2517 MODEM LED
MAZ80560ML 50V
<
R2520 0.01u *D2525B
220k *R2525
R2556 LN1471YTR
576
10k
1%
1%
*R2554
75
*Q2511
*R2524
2SD0601A0L
22k
*Q2518
2SD0601A0L *R2539 *R2540
47k 22k
*C2527
50V
1000p
R2557 *C2522
22k 50V
1000p
E *C2526
50V
1000p
JS3713
0
*C2525
50V
1000p *C2523
50V
*C2524 JS3704
1000p 0
50V
! K-BOARD 1000p
*R2576
*R2577
TXN/K1RWTB(B/E)
*R2579
TXN/K1RWTE(P)
K1
10
11
12
1
2
3
4
5
6
7
8
9
REMOCON
G_LED_ON
R_LED_ON/STBY_LED
STBY3.3V
GND
PSM_LEDR
Modem_LED/KEY3
Active_STB_LED
GND
AI_SENSOR
GND
GND
SUB5V
TO
F A-BOARD
(A1)
TH-37/42PV8P, PX8B/E
G, GS, and K-Board Schematic Diagram
1 2 3 4 5
44
5
44
180k
50V
R3716
560p
C3703
L3708
0
0
JS3713
J0JCC0000100
JS3704
<
0
50V
180k
560p
R3717
JS3712
C3701
L3707
GND 1 4 J0JCC0000100
16
2 3
FRONT_AV_C
<
15
FL3712
GND J0ZZA0000091
14
GND(C)
13
1 4
GND(Y)
12 2 3
P
FRONT_AV_S
11 FL3711 D3711 D3701
R3711
J0ZZA0000091 MAZ81400ML MAZ81400ML
FRONT_AV_Y
10
6
HP_L
9
P
1 4
GND(V)
8 3 D3709 D3710
2
R3710
HP_GND MAZ81400ML MAZ81400ML
7 FL3710
FRONT_AV_V J0ZZA0000091 R-SW
6
P R R
HP_GND
5 R-G
D3702
R3709
FRONT_AV_L L L
MAZ81400ML
4
L-G
HP_R R3732
3