P-Board Block Diagram (42Inch) - Panasonic TH-42PV500E Service Manual

14.11. P-Board Block Diagram (42inch)

AC IN
RF601 3A
P
220-240V
50/60Hz
POWER SUPPLY
P9 K601 K602
L601
LIVE 4
NEUTRAL 1
8 7 6
RLY- RLY- BIAS
RUSH ON -PFC
ON/OFF
MC501
PFC
STB POWER CONTROL BIAS
-GND
POWER MODULE
Exchanged board only +5
RFCO_ON
HV_ON
L606
D602
AC+
ZD601
Q601
AC-
AC_N
3 8
MC603 ERROR DET
(HOT)
POWER MODULE
Exchanged board only
POWER MODULE
Exchanged board only
L401
23
19
IC401
ZD404
20
PFC
ZD408
16
7 14 11 18
ZD409
BIAS
1 2 3 4 6 9 8
MC401
POWER CONTROL
TH-42PV500E/B
P-Board Block Diagram
L604
MC604
MC601
RECTIFIER
1
PFC
L602
2
AC- DC(+)
2 5 8 11 10
3
AC- DC(-)
3 1 6 4 9 7
4
Q605 Q606
10 7 3 1
BIAS IIn VIN +5
4
MC602 OVP
PFC CONTROL
11 Q602
GATE
Q603
ON/OFF
GND(BIAS)
POWER MODULE
3
6 Exchanged board only
4
1
2
9
IC501
IPD
D501
5 4
5 15 14
8 5
HV_ON
MC303
3
1
ISUS 2
DRIVE VOLTAGE
7
OSCILLATOR OUT 4
(HOT)
PG FB 6
D305 D306
PFC
ZD310 D307 ZD309 D308
9 4
IC301
D VCC
ZC
5 1
VDA OSC
2 FB-
D451 D454
T401
FB_MULTI
P1 S4
+15V
Q451
D455
+15V
P2 15V
ON/OFF
V3
S5A
F_STB 14V
S5B
V4
Q452
F14V_ON/OFF
S6
V1
D452 +15V
VR451
D453
S1
Q453
S2A
12V_ON/OFF
S2B
V2
S3
PG
5 18 17 19
POWER MODULE
Exchanged board only
CNPFC
1 3
HOT COLD
12 14 15 16 17 18
7
9
10
8
4
MC301
1
Vsus
POWER SUPPLY
2
3
5
6
11 13
Q332
HOT COLD
Q333
4 1
PC503
PFC_ON
3 2
D551
T501
B1
S2
MAIN SW
STB ON/OFF ON/OFF
B2
Q554 Q553
P1
P2
S1
B3
B4
SW_MAIN
STB_OFF
Q555
T301 R352 VDA
VDA
P2 S2
D351
POWER MODULE
P1
Exchanged board only
S1
B1
23 STB_IN
25 STB_IN
B2
22 MC603
PG
24
ERROR DET
HOT COLD
26 AC DET (COLD)
4 5 24 16
9 15V_DET
10 F14V_ON
MC701
POWER MODULE
13 15V_IN
POWER OUTPUT CONTROL Exchanged board only
12 12V/15V_ON
105
TH-42PV500E / TH-42PV500B / TH-37PV500E / TH-37PV500B
Vsus 188V
VR351
VSUS
POWER MODULE
Exchanged board only
18
20
VSUS
21
VS_LVP1
MC303
DRIVE VOLTAGE
TH351 OSCILLATOR
(COLD) 19
VS_LVP2
22 5V
17 VS_STOP
16
HV_ON
5V
Q551
5V_ON
20 19 7 6 11 3 2 25 8
TH-42PV500E/B
P-Board Block Diagram
P2 TO SC2
1 VSUS
2 VSUS
P11 TO SS11
VSUS
2
3 VSUS
P23
TO SC23
1 15VD
2 15VD
P5 TO PB5
4 15VD
6 12VS(S)
7 12VS(W)
12VS(W)
8
1 12VC
2
12VC
P30 TO PB30
15V(FAN)
1
3
FAN SOS
4 5VC
5 FAN CONT
P12 TO SS12
VDA
1
2
VDA
4 15VD
SW_MAIN
8
P25 TO D5
3 FAN_CONT
14 FAN_SOS
9 +5VC
7 +5VC
10
STB5V
1
12VC
2 12VC
18 ALL_OFF
H=SOS
16 PS_SOS
L=OK
17 PANEL_ON
13 F_STB_ON
TO PA10
P10
1
F_STB_14V
2 F_STB_14V
F_STB_14V
3
1 23 21 18 14