Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Plasma TV TH-42PV70FP TH-42PV70FP doc b_p
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HOT COLD IC512
Vdat OVER VOLTAGE
DETECTION(100V 25V) ERROR DET
P POWER SUPPLY 11 10
D540
Q527 (Vda) Vda75V
PR401
D417 395V F_5A_250V
12 9
D531
TO
D539 P12
Q412 D544 D545 SS12
T401 D419 73V K
OSC 3 3 1
LINE FILTER 1 Vdat
C446 6
+
L404 L405 2
8 7 6 5 4 3 2 1 D420 C555 Vdat
RECTIFIER 4 R670 A
D401 2 4 +15V
Q404,Q406 Q408 R665
1
OSC 7 D569
- +
R405,D415 D506 R676 R674 R631 Vdat 2 8 STB12V
8 D570
9 10 11 12 13 14 15 16 3 10 STB_PS
Q413
OVER D536
OSC 2 15V
VOLTAGE
PROTECTION D571
(490V 80V) 15 5 Q520 Q517
Q409 16 1 D572
OSC
0.1 T404
C469 9 10 5 6 T402 D549
SW RESONANCE
PR402
Q401 4 3 2
CONVERTER R579
R441 R472 (120-145KHz)
R442
R445 R475
8 7 6 5 R479
R447 D579
R480
L403 IC406 VCC R470 27.4kx6 12 13 15 16
P_OUT
P_OUT
CURR
VDD2
VDD1
MOS
340kx6
SW
PFC
DRIVE DET
IC520 Q564
BUFF
TO
Q402 + P11
CRT_ON
CURR POWER - BUFF SS11
Q565
Vref
COMP
CONTROL 1
5V
Vsus
FB
D407 (Vlow) 4 2 6 3 GND
1 2 3 4
D521 PR509 D535
Q566
D602 TO
P2
SC2
Q509 1
R455 Q536 Vsus
VlOW DET
3 GND
Q420 R444 1
Q407 R661 2 TO
1 BUFF Vlow P5 PA5
TO 2 R443 3
AC CORD Q541 1
IC411 Q422 3
PFC
PR601
+15Vs(S)
P9 F401 Q507 2 +15Vc
250V 8A ERROR DET D418 7 10 IC508 R649 3 +15Vs(S)
LIVE 4
HOT COLD Q540 T601 180k 4 +15Vc
Vref x4
K
5 +15Vs(S)
REF
1 R650
F402 2 3
250V 8A
Vlow Q508 10 STBY5V
2 3 POWER
NEUTRAL 1 Q510 VlOW DET 12 F_STBY_ON
A
A K 5V OUT
CIRCUIT DETECTION 13 F_STB
(3V 1.0V)
15 F_STB
1 4
IC403 IC511 IC509
Vsus 192V 17 F_STB
16 ALL_OFF
PHOTO
VOLTAGE R622
COUPLER 18 AC_GOOD
K
2 3 5 4 OUT
IC513
REF
(AC DET) DETECTION R648 20 +5Vc
Vda DET (60V 40V)
Q530 R636 NO
A
K
P6
REF
USE
RESET 1 2 3 R626
4 1 Q535 1 +15Vs(S)
IC401
A
2 +15Vs(S)
RL403
F403 PHOTO Q525 3 +15Vs(S)
RL402 R411 RL401 3 2
R413
T630mA COUPLER 7 F_STBY
250V
K Vref
Q434 (PFC_ON/OFF) 3 1 8 F_STBY
9 F_STBY
R627
R435
4 1 4 1 IC506 A
2 NO
L410
R427
ON D701
IC507 IC505 ERROR DET
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