Text preview for : b_pa.pdf part of PANASONIC TH37PV70E SERVICE MANUAL



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PA DC-DC CONVERTER
TO P5
+15Vs(S) +15Vs(S) +15Vs(S) STBY_5V TUNER_SUB_ON F_STBY_15V ECO_ON F_STBY_15V ALL_OFF F_STBY_15V AC_GOOD

PA5
1 3 5 10 12 13 14 15 16 17 18 TPAC1 R5535 R5531 R5536 R5532 C5521 R5538 C5522

Q5522 Q5521
SOS DET R5537 D5530

R5533

Q5523
R5534 TUNER_SUB_ON

IC5550
SUB+5V/SUB+9V
9 15 SUB+5V DET SUB+5V D5501 (+10V) 1 3 R5544 D5522 13 F STB+15V DET R5540 D5521 SUB+9V DET SUB+9V R5542

F STB+15V SUB+5V/SUB+9V SHORT DET

Q5561
MAIN+9V D5529 (+6.8V) D5528 (+12V)

Q5501
ERROR DET

R5549

R5548 R5547

Q5524
SUB+5V SUB+9V OVER VOLTAGE DET

TO H4
ECO_ON TUNER_SUB_ON ALL_OFF TUNER_MAIN_ON STB5V SOS

PA4
TPEC0 11 TPS0N 16 17 18 TPST5 21 TPS0S 23

Q5562
TV_ON OFF

D5526

R5546

PA3
TPM9V 1 TPS5V 2 3 TPS9V 6 7 18 21 22 TPS15V 23

TO H3
MAIN9V SUB5V SUB5V SUB9V SUB9V AC_GOOD +15V_S +15V_S +15V_S

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

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