Panasonic TH50PH10UK - 50" PLASMA TELEVISION, Service Manual

Page: 65 / 141

14.3. P-Board Block Diagram
TH-50PH10UK
65
VDD VDD VDD
VDD
VDD
COLD HOT
COLD HOT
19 20
FVc
3
GND
GATE
VCC
2
MC601
P23
VR251
2
L602
K601
PANEL_ON
TO DS6
VSUS
1
AC IN
Q602
Q603
VSUS
2 5 8
15Vd
11
L=OK
VDA
12
VDA
3
H=SOS
2
1
P12
15Vd
MAIN_SW
15Vd
1
NO USE
TO SS12
15Vs
8
6
1
11
B1
4
5
4
7
8
P25
4
GND
9
B4
NEUTRAL
+5VC
7
+5VC
TO D25
AC+
TO SC2
6
AC-
VSUS
15Vc
P2
MC602
LIVE
2
STBY5V
3
RECTIFIER
9
1
P9
1
2
MC501
P11
12
3
PS_SOS
3
1
GND
TO SS11
RF601 3A
P
POWER SUPPLY
R
LY
_
R
U
S
H
PFC MODULE
POWER CONTROL
Vsus POWER SUPPLY
P1
P2
S1
F601
F602
L601
AC-
AC+
D501
PG-
STB
RECTIFIER
(STB)
B2
L502 D505
2
4 3
GND_OCL OCL
10
11
BIAS_G
S+ 1
7
VIN
A K D3 D2
L603
D605
D1
G1 S1 G2 S2 G3 S3
PFC
F201
MC203
P1A
P2A
PC302
18
AC DET Vo GND
6
D506
GND VBias
PG_STB
P2
P1
BIAS GND
T501
S1B
S1A
S2B
S2A
D551
D353
S5
S4B
S3
S4A
D352
15Vc
10
STB_PS
MAIN
SW
PFC_ON/OFF
PC301
S6
9
FVc
FVc
15Vs
15Vs
13 Vda_Low(Vda_DET)
Q302
BIAS
Q301
Vsus 180V
K602
3
2
F301
B3
3
AC_N
4
7
D504
IC501
F501
MODULE
5
5
AC_L DISCHG
<Exchange board only>
D252
<Exchange board only>
<Exchange board only>
6
7
3
5
1
8 9
PFC
SUS
PFC
MULTI ON
MULTI
SUS
ON
BIAS
OUT
ON/OFF BIAS IN
Q501
PG
D502
D503
AC
4
1
AC+
AC AC-
+
-
+
- 8
7
6
5
<Exchange
board only>
6
PG
10
(VDET)
AC_ON
(PFC_ON)
(IDET)
PFC/BIAS CONTROL MODULE
<Exchange board only>
MC502
BIAS1 ON
PC501
STB5V
PC502
7
CONTROL
4
BIAS
1 12
GH
2
SH
7
Vref PC
8
9
6
GH SH Vref IRS
GL
I+
GL
I+
13
ON/OFF
14
VDD
VDD
Vda POWER CONTROL MODULE
<Exchange board only> MC301
13
2
BIAS
MC201
SH I+ IRS
ON/OFF
VDD
Vsus POWER CONTROL 1
14
12
VDD SH
<Exchange board only>
I+
9
8
PC
1
GH
GH
7
Vref
Vref
6
GL
GL
5
P
SL
GND
G
S
D
4
6
5
2
1
3
D
G
S
9
10
3
2 1
7
8
Vsus
POWER CONTROL 2
MC202
MULTI_ON/OFF
SUS ON
PC202
PC201
SUS STOP
S1A
S2A
AC+
AC-
STB5V DET
IC551
F
_
S
T
B
_
O
N
P
S
_
S
O
S
POWER MCU MODULE
P16 P42 P01 P41 P17 P15
POWER MCU
3
MC701
27
1
5
V
_
IN
<exchange board only>
P22 P00
28
M
U
LT
I_
O
N
29
V
d
a
_
O
N
5
V
C
_
O
N
18
V
d
a
_
L
O
W
19
P34
1 12
P13
5
V
C
_
O
U
T
P30 P12
15
1
5
V
_
O
N
13
S
T
B
_
O
N
20
P10 P32
S
T
B
_
O
U
T
S
U
S
_
O
U
T
9
V
d
a
_
O
U
T
11 4 8 10
S
U
S
_
O
N
P21 P40
BIAS1 ON
30
S
U
S
_
S
T
O
P
5 16
P45 P31
P
A
N
E
L
_
O
N
1
5
V
_
O
U
T
A
L
L
_
O
F
F
(H
=
L
O
W
)
(H
=
S
O
S
)
(L
=
O
N
)
E
C
O
_
O
N
(L
=
O
N
)
31
P20
(L
=
O
N
)
7
S
W
_
M
A
IN
1
P35
(A
IN
1
)
(L
=
S
T
O
P
)
(L
=
O
N
)
(A
IN
5
)
(A
IN
2
)
6
P36
F
V
_
O
U
T
(A
IN
6
)
P33
(A
IN
3
)
(H
=
O
N
)
P11
14
F
V
_
O
N
(L
=
O
N
)
(A
IN
4
)
P05
R
LY
_
M
A
IN
23
P06
22
R
LY
_
R
U
S
H
STB_IN
32
(VDD)
AC_DET 21
(L
=
O
N
)
(L
=
O
N
)
(L
=
O
N
)
P07
(L
=
O
N
)
33
D702
Q701
Q702
R256
R257
R280
R285
AC+
AC-
D251
RECTIFIER
D401
RECTIFIER
14
V
IN
R
E
M
13
F
B
4 6
S
G
P
G
8
O
C
L
5 9
V
o
u
t
12
G
N
D
VR401
Vda
P6
Q401
L402
MC401
<exchange board only>
Vda CONTROL MODULE
11 10
VCC1 VCC2
Q403 Q402
6 7 4 8 9 5
2
1
ZD403 ZD404 ZD405
L401 D402
Vda_ON/OFF
PC401
TO DS4
STBY5V
15Vs
5
6
7
1
P7
8
F_STBY_ON
ECO_ON
2
ALL_OFF
15Vs
STBY5V_SW
5Vc
9
10
Q351
Q352
15Vc ON/OFF
FV ON/OFF
PFC
VR351
x8
270k
5 3 4
2 1
IC451
Q451
IC351
L451
MC351
<exchange
board only>
15V/FV ON/OFF
Q551
Q704
PG
S
T
B
_
IN
R
LY
_
M
A
IN
<Exchange
board only>
PFC
MC603
<Exchange board only>
T301
T201
VCC
GATE_H
SOURCE_H
GATE_L
SOURCE_L
GH_IN
VDD
GL_IN
(L
=
O
N
)
(L
=
O
N
)
(H
=
O
N
)
(H
=
O
N
)
(A
IN
0
)
Vout
ON/OFF
IC401
IC251
VSUS DET
D351
IPD
AC_L
TH-50PH10UK
P-Board Block Diagram
TH-50PH10UK
P-Board Block Diagram