P-Board Block Diagram - Panasonic th-50ph10uk Service Manual

14.3. P-Board Block Diagram

RF601 3A
P
POWER SUPPL Y
AC IN
P9
K601
L601 L602
LIVE 3
F601
NEUTRAL 1
F602
270k
x8
9 8
PFC
PFC MULTI
SUS
BIAS IN
1
MC502
PFC/BIAS CONTROL MODULE
<Exchange board only>
D501
RECTIFIER
F501
(STB)
AC+
AC-
PG-
STB
D502
D503
IC501
IPD
Q501
PG
3 4 5 7
AC_L AC_L AC_N DISCHG CONTROL
POWER CONTROL
MC501
MODULE
<Exchange board only>
TH-50PH10UK
P-Board Block Diagram
D605
MC602
L603
RECTIFIER
K602
2 5 8 10 12 11
1 5
D1 D2 D3 A K
+ +
2 6
AC+
AC+
PFC
3 7
AC AC- AC- AC
4 - 8
-
S1 G1 S2 G2 S3 G3
<Exchange 3 1 6 4 9 7
MC603
board only>
PG PFC
<Exchange
board only>
4 3
OCL GND_OCL
(IDET)
VIN
7 1
S+
(VDET)
AC_ON GATE 2
6
(PFC_ON)
Q602
MC601
VCC 10
Q603
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
MC301
<Exchange board only>
PC501
BIAS1 ON
B1
D505 L502
T501
PC502
BIAS GND
STB5V
B2
D504
P2
P1
S2B
B3
D551
S2A
IC551
5
D506 STB5V DET
4
7
S1A
B4
PG_STB S1B
6 2 20 19 18
VBias GND GND Vo AC DET
F201
MC202
Vsus
D
POWER CONTROL 2 4
<Exchange board only>
G
1 2 6
GH_IN GATE_H
S
3 5
SOURCE_H
VDD
D
7
1
GL_IN G
8 9 3
GATE_L
S
10 2
SOURCE_L
MC203
PG Vsus POWER SUPPL Y
<Exchange board only>
1 14 6 2 5 9 7
BIAS GH VDD GL SH SL I+ Vref
PC
12 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
PC301
PFC_ON/OFF
IC351
14
PC401
Vda_ON/OFF
T301
D401
P1 S1
RECTIFIER
AC+
L401 D402
P2
AC-
S6
D352
S3
D351
IC451
S4A
1 2
S4B
D353
5 3 4
S5
HOT COLD
Q451
Q701
Q702
D702 22 23 8 28 29
VDD
32
STB_IN
(VDD)
27 BIAS1 ON
VDD
21 AC_DET
33 P07 P01 P06 P05 P34 P00 P22
MC701
65
HOT COLD
T201
AC+
P1A S1A
R256
R257
R280
D251
R285
RECTIFIER
P2A
IC251
VSUS DET
S2A
AC-
D252
PC201
SUS STOP
PC202
SUS ON
11 10
VCC1 VCC2
MC401
Vda CONTROL MODULE Q402 Q403
<exchange board only>
13 4 6 8 5 9 12
VR401
Vda
IC401
Vout
L402
ON/OFF
Q401
ZD403 ZD404 ZD405
VCC
1
MC351
2
15V/FV ON/OFF
<exchange
board only>
4 6 7 5 8 9
Q351
15Vc ON/OFF
L451
Q352
FV ON/OFF
Q551
Q704
16 12 15 14 13 9 6 10 7 30 5 1
P13 P30 P12 P11 P10 P33 P36 P32 P35 P21 P40 P45
POWER MCU
POWER MCU MODULE <exchange board only>
TH-50PH10UK
P2 TO SC2
Vsus 180V
1 VSUS
VR251 3 GND
VSUS
P11 TO SS11
1 VSUS
3
GND
P23
NO USE
1 15Vd
2
15Vd
P6 TO DS6
2 15Vs
3 15Vs
4
15Vs
7 FVc
8 FVc
9
FVc
P7 TO DS4
1 15Vs
2 15Vs
5
STBY5V
6 F_STBY_ON
7 ECO_ON
8
ALL_OFF
9 STBY5V_SW
10 5Vc
P12
TO SS12
1 VDA
2
VDA
4 15Vd
MAIN_SW
8
10
STB_PS
MAIN
SW
P25 TO D25
5 +5VC
6 +5VC
9
STBY5V
1 15Vc
2 15Vc
11
PANEL_ON
H=SOS
12 PS_SOS
L=OK
Vda_Low(Vda_DET)
13
11 19 3 31 4 20 18
VDD VDD VDD
P31 P16 P42 P20 P41 P17 P15
TH-50PH10UK
P-Board Block Diagram