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A

PA-BOARD TNPA4178AC (37inch) TNPA4178AB (42inch)

*PA5 1 2 3 4

TO P-BOARD (P5)
+15Vs(S) +15Vc +15Vs(S) +15Vc +15Vs(S) GND

SUB5V/SUB9V

B
SW-Node2 ON/OFF2 VOUT2 VAR2 GND

IC5550
EHMDD9851
< SW-Node1 ON/OFF1 TUNER_SUB_ON

5

SOS DET Q5522
2SA207700L R5537 680

6 7 8 9 10 11

Q5521
2SA207700L

GNDs(S) GND GNDs(S) STBY_5V GNDs(S) TUNER_SUB_ON F_STBY_15V ECO_ON

VOUT1

VAR1

GND

GND

N.C.

N.C.

N.C.

VIN

R5531 2.2k

R5535 2.2k

R5538 2.2k

C5522 16V 0.1u

D5530 MA2J11100L

10

11

12

13

14

15

16

1

2

3

4

6

7

8

9

LHLP10TB150MB 15u

R5536 4.7k R5532 4.7k
1%

12 13 14 15

L5551

C5521 16V 0.1u L5552 LHLP10TB150MB L5564 LHL08TB2R7M D5519 15u B0BA6R600008 2.7u R5533 10k

L5550 2.7u LHL08TB2R7M

R5555 1.27k

F_STBY_15V ALL_OFF

Q5523
2SD0601ASL TUNER_SUB_ON

16 17 18

R5554 2.61k
1%

R5534 47k

F_STBY_15V AC_GOOD GND

+

C5551 50V 330u

C5552 25V 0.1u C5501 470u 16V C5502 + 0.1u C5503 16V 470u + 16V C5504 16V 0.1u

L5566 LHL08TB2R7M 2.7u D5521 MA2J11100L F STBY 15V SHORT DET R5540 470 19 20 21 GND 22 R5542 D5518 B0BA01100004 0 470 23 GND NC

C
MAIN9V
R5509 L5565 LHL08TB220K 22u C5595 50V 22u + R5573 4.7k

Q5561
B1DHDC000028

D5522 MA3X152D0L SUB5V/9V SHORT DET

R5544 220

R5506 10k

D5528 MAZ81200ML 12V

D5529 MAZ80680LL 6.6V

D5517 B0BA9R600002

R5507 10k

Q5501
2SD0601ASL F_STBY_15V ERROR DET

R5570 10k R5571 47k TV_ON OFF

R5572 2.2k

Q5562
2SD0601ASL TUNER_MAIN_ON R5548 4.7k R5549 4.7k

R5508 47k

Q5524
2SD0601ASL SUB5V/9V OVER VOLTAGE DET R5546 10k

R5547 10k

D5526 MA3X152E0L

D

TPS0S

TPST5

TPM0N

TPS0N

TPS0F TPM9V

TPC0F

TPS5V

E
SUFFIX JW
ZA5501 K4CZ01000027 ZA5503 K4CZ01000027 ZA5502 K4CZ01000027

TPS9V

TPAC1

AB:42inch

*R5480 0

TPEC0 JS5568 JS5569

TPS15V

AC:37inch

*R5481 0

10

11

12

13

14

15

16

17

18

19

20

21

22

10

11

12

13

14

15

16

17

18

19

20

21

22 STB5V GND

PA4 +15V_S

TO H-BOARD (H3)

TO H-BOARD (H4)

F

TH-37/42PV70F/P, TH-37/42PX70B/E PA-Board Schematic Diagram

TH-37/42PV70F/P, TH-37/42PX70B/E PA-Board Schematic Diagram

1

2

3

4

5

6

7

8

23 SOS

1

2

3

4

5

6

7

8

9

PA3

23 +15V_S

1

2

3

4

5

6

7

8 SUB9V GND

9 FAN_CONT

MAIN9V

SUB5V

SUB5V

GND

FAN_SOS

SUB9V

GND

GND

GND

GND

GND

ODU

N.C.

N.C.(BT_30V)

AC_GOOD

S_GND

S_GND

+15V_S

GND

GND

GND

N.C./KEY

ECO_ON

GND

GND

TUNER_SUB_ON

ALL_OFF

TUNER_MAIN_ON

ODU_ON

GND

SUB9V(H264)/HQ3.3V

SUB9V(H264)/HQ3.3V

N.C.

SUB9V(FHD)/P12V

SUB9V(FHD)/P12V

P5V(MON)/P12V-ON

N.C.

N.C.

9