P-Board Block Diagram - Panasonic TH-50PV500A Service Manual

14.3. P-Board Block Diagram

AC IN
RF601 3A
P
120V
50/60Hz
POWER SUPPLY
P9 K601
K602
L601
LIVE
4
F601
NEUTRAL 1
F602
8 7 6
RLY- RLY- BIAS
RUSH ON -PFC
ON/OFF
MC501 3
PFC
STB POWER CONTROL BIAS
4
-GND
POWER MODULE
Exchanged board only
+5 1
RFCO_ON 2
HV_ON 9
L606
D602
AC+
ZD601
Q601
AC-
AC_N
3 8
ERROR DET
MC603
(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-50PV500A/H/M
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
Q606
Q605
10 7 3 1
BIAS IIn VIN +5
4
MC602
OVP
PFC CONTROL
11 Q602
GATE
Q603
ON/OFF
Q332
GND(BIAS)
POWER MODULE
Q333
Exchanged board only
6
IC501
IPD
D501
5 4
5 15 24
8 HV_ON 5
MC303
3
1
ISUS 2
DRIVE VOLTAGE
7
OSCILLATOR OUT 4
(HOT)
FB
PG 6
D305 D306
PFC
ZD310 D307 ZD309 D308
9 4
IC301
VCC
D
5 ZC 1
OSC
2 FB-
D451 D454
T401
FB_MULTI
P1 S4
Q451
D455
P2 15V
ON/OFF
V3
S5A
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
2 POWER SUPPLY
3
5
6
11 13
HOT COLD
12 14 15 16 17 18
7
9
10
8
4
MC302
1
Vsus
2
POWER SUPPLY
3
5
6
11 13
4 1
PC503
PFC_ON
3 2
T501
MAIN SW
STB ON/OFF ON/OFF
Q554 Q553
SW_MAIN
STB_OFF
Q555
T301 R352 VDA
D351
POWER MODULE
Exchanged board only
23 STB_IN
25 STB_IN
22 MC603
PG
24
ERROR DET
HOT COLD
26 AC DET (COLD)
4 5 24 16 20 19 7
15V_OUT
9
10 F14V_ON
MC701
POWER MODULE
13 15V_IN
POWER OUTPUT CONTROL
Exchanged board only
12 12V/15V_ON
79
Vsus 180V
VR351
VSUS
POWER MODULE
Exchanged board only
18
20
21 VSUS
VS_LVP1
MC303
DRIVE VOLTAGE
TH351 OSCILLATOR
VS_LVP2 (COLD) 19
22 5V
17
VS_STOP
16 HV_ON
Q551
5V_ON
6 11 3 2 25 8 1 23
TH-50PV500A/H/M
P-Board Block Diagram
TH-50PV500A / TH-50PV500H / TH-50PV500M
P2 TO SC2
1 VSUS
2
VSUS
P11 TO SS11
2 VSUS
3
VSUS
P23 TO SC23
1 15VD
2
15VD
P5
TO PB5
4 15VD
12VS(S)
6
7
12VS(W)
8 12VS(W)
1 12VC
2 12VC
P30 TO PB30
1 15V(FAN)
3
FAN SOS
4 5VC
5 FAN CONT
P12 TO SS12
1 VDA
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
P10 TO PA10
1
F_STB_14V
F_STB_14V
2
F_STB_14V
3
21 18 14