P-Board Block Diagram - Panasonic TH-50PZ77U Service Manual

15.3. P-Board Block Diagram

AC IN
RF601 3A
220-240V P
50/60Hz
POWER SUPPLY
P9
K601
CN601 CN602
L601 L605
LIVE 3 6 6
F601
NEUTRAL 1
F602 1 1
270k
x8
9 8
PFC
PFC
MULTI
SUS
F501
BIAS IN
1
MC502
PFC/BIAS CONTROL MODULE
<Exchange board only>
MC301
CN501
2 1
2 1
CN502
PC502
D501
D505
TP3
RECTIFIER
(STB)
AC+
D504
AC-
PG-
STB
IC501
IPD
5
D506
4
7
TP3
3 4 7 6 1
AC_L AC_L AC_N CONTROL VBias GND
POWER CONTROL
MC501
MODULE
<Exchange board only>
TH-50PZ77U
P-Board Block Diagram
D605 D606 F201
MC602
L603
RECTIFIER
K602 TP1
2 5 8 10 12 11
5 1
+ + D1 D2 D3 A K
6 2
AC+
AC+
PFC
7 3
AC AC- AC- AC
8 - 4
-
S1 G1 S2 G2 S3 G3
<Exchange 3 1 6 4 9 7
MC603
board only>
TP2
PG PFC
<Exchange
board only>
4 3
OCL GND_OCL
VR601
(IDET)
VIN
7 1
S+
(VDET)
AC_ON GATE 2
6
(PFC_ON)
Q602
MC601 VCC 10
Q603
12
11 GND
PFC MODULE
BIAS_G
<Exchange board only>
F301
MULTI
ON
6
SUS
ON
7
3
BIAS
OUT
5
ON/OFF
Q301
14 12 1 2 7 8 Q302
VDD GH SH Vref PC
BIAS
GH SH Vref IRS
BIAS
GL
VDD
GL 6
I+
I+ 9
ON/OFF
13
Vda POWER CONTROL MODULE
<Exchange board only>
HOT COLD
HOT
STB5V PC501
BIAS1 ON
IC551
B1
L502 T501
STB5V DET Q702
Q701
BIAS GND
B2
2 2
P2
1 1
P1
S2B
D702
B3
D551
S2A
32
3 3
S1A
B4
4 4 21 AC_DET
PG_STB S1B
CN503 CN504
2 18 7 6
GND GND Vo AC DET
33
HOT
MC202
Vsus
D
POWER CONTROL 2 4
<Exchange board only>
P1
G
1 2 6
GH_IN GATE_H
S
3 5
SOURCE_H
P2
VDD
D
7
1
GL_IN
G
8 9 3
GATE_L
S
10 2
SOURCE_L
MC203
PG Vsus POWER SUPPLY
<Exchange board only>
1 14 6 2 5 9 7
BIAS GH VDD GL SH SL I+ Vref
PC
8
GH VDD GL SH P I+ Vref IRS
GND
ON/OFF
13
Vsus POWER CONTROL 1
MC201
<Exchange board only>
VR351
PC302
PFC
MULTI_ON/OFF
VCC1
MC401
Vda CONTROL MODULE
<exchange board only>
PC301
PFC_ON/OFF
IC351
14 13 4 6 8
PC401
Vout
ON/OFF
Vda_ON/OFF
D401
RECTIFIER
T301
AC+
P1 S1
L401 D402
TP8
S6
AC-
MC351
P2
D352
15V/FV ON/OFF
S3 <exchange
board only>
D351
TP7
S4A
S4B
D353
IC451
S5 L451
1 2
COLD 5 3 4
D553
POW_ON
Q552
D702
27 22 23 8 28 29 32 2 16 12
VDD
STB_IN
(VDD)
VDD
P07 P01 P06 P05 P34 P00 P22 P13 P30
MC701
POWER MCU MODULE
71
COLD
D254
Vsus 180V
T201
D255
VR251
S1 VSUS
IC251
D256
VSUS DET
S2
D257
PC201
SUS STOP
PC202
SUS ON
11 10
VCC2
Q402 Q403
5 9 12
VR401
Vda
L402
Q401
TP9
VCC
1
2
4 6 7 5 8 9
Q351
15Vc ON/OFF
Q352
FV ON/OFF
STB_ON
Q551
15 14 13 9 6 10 7 30 5 1 11 19 3 31
VDD VDD
VDD
P12 P11 P10 P33 P36 P32 P35 P21 P40 P45 P31 P16 P42 P20 P41
POWER MCU
<exchange board only>
TH-50PZ77U
P-Board Block Diagram
TH-50PZ77U
P2 TO SC2
TP5
VSUS
1
3 GND
P11 TO SS11
1 VSUS
3 GND
TP6
P23 NO USE
1 15Vd
2
15Vd
P10 TO PA10
1 F15V
2
F15V
3 F15V
P5 TO PA5
1
15Vs(1)
2 15Vs(1)
4 15Vc(1)
6 15Vs
7
15Vs
8 15Vs
P12 TO SS12
1 VDA
2 VDA
4 15Vd
MAIN_SW
8
10
STB_PS
MAIN
SW
P25
TO D25
7
+5VC
9 +5VC
18 STBY5V
1 15Vc(2)
2 15Vc(2)
17 PANEL_ON
H=SOS
16 PS_SOS
L=OK
20 Vda_Low(Vda_DET)
18 ALL_OFF
13 F_STBY_ON
4 20 18
P17 P15