P-Board Block Diagram - Panasonic TH-42PZ77U Service Manual

15.3. P-Board Block Diagram

P POWER SUPPLY
HOT
RF601
K601 K602
MAIN
RELAY
RUSH
RELAY
D603
K603
D604
D601 D602
7
6
P9
AC IN
3 L601 L602
F601
L.F L.F
1
F602
8 9
PFC_SUS PFC_MULTI
SUS ON
7
MULTI ON
6
BIAS
ON/OFF OUT
3
CONTROL
BIAS
IN
F501 1 1
BIAS/PFC ON/OFF
CONTROL
<Exchange board only>
TP3
D501
AC+
AC-
C507
P509
P510 P506
P511 P507
P508
C503
5
ZD502
Drain
Source
Control
ZD501
4
IC501
IPD
3 4 5 1 2 7
GND GND CONTROL
MC501
POWER CONTROL
<Exchange board only>
TH-42PZ77U
P-Board Block Diagram
PFC
MC603 HOT
<Exchange board only>
D606 F201
L603
MC202
1 12 9 6 15 14
FET DRIVE
2
A K
D3 D2 D1 <Exchange board only>
C612 C613 C614
AC
DC(+)
3 AC DC(-)
S3 G3 S2 G2 S1 G1
Q602
4 11 13 8 10 5 7
ZD601
Q603
TP2
4 3
OCL G_OCL
GATE
CAI C_GND
OUT1 2
VCC
V_DET PFC VCC 10
AC_ON S+
PFL_ON FB(S+) 1
GND
11
BIAS
12
MC601
PFC CONTROL
<Exchange board only>
TP1
F301
MC502
Vda/STB
POWER CONTROL
PC501
<Exchange
BIAS ON/OFF
board only>
1 2 6 9
GH SH GL I+
PC502
Vda/STB POWER CONTROL
BIAS ON/OFF
T501
STB+5V
B1
S2B
S2A
D505 B2 D551
C551
12
BIAS
B5
S1A
S1B
B6
P2
IC551
P1
B3
D506
TP4
B4
RLY_MAIN_ON
RLY_RUSH_ON
6 17 18
BIAS
AC DET
16
27
BIAS1 ON/OFF
21 AC_DET
HOT COLD
HOT COLD
T201
D2
P1 S1
MC203
G2
Vsus
S2
POWER SUPPLY
D1 <Exchange board only>
G1
4
P2
GATE_H
2
S1
SOURCE_H
3
GH_IN
1
S2
VDD_L
7
GATE_L
9
SOURCE_L
10
GL_IN
8
HOT
14 10 6 1 5 2 9 7
SG GL GH SL(PG) SH I+
PC(E)
8
Vsus POWER CONTROL
ON/OFF
13
Vsus POWER CONTROL
MC201
<Exchange board only>
HOT COLD
Vda+75V
T301
D
S1
C403 C406
D401
S
G RECTIFIER
Q301
Vda OUT AC+
P1
D
D402
14
S
G
Q302
Vda OUT L401
P2
AC- 13
PC401
S6
D352 Vda ON/OFF
S3
D351
TP8
MC301
TP7
S4A +15V
S4B
C307
C308
1
S5
D353
VDD
7
PC301
PC(E)
8
ON/OFF
13
PC302
MULTI ON/OFF
IC351
HOT COLD
D553
Q552
MC351
Q702
POWER
ON/OFF CONTROL
ON/OFF
<Exchange board only>
VCC
1
Q701
4 6
IP701 ON/OFF
CONTROL
5 8
D702
22 23 2 32 28 8 15 14 16 29 8
MC701
POWER MCU
<Exchange board only>
67
TP5
D251 Vsus 210V
AC+
VSUS
C256 C257 C258 VR251
TP6
AC-
COLD
PC201
Vsus ON/OFF
IC251
Vsus CONTROL
PC202
Vsus ON/OFF
Q402,
Q403
Vda CONTROL
MC401
ERROR
<Exchange board only>
DET
POWER
FB
VIN 4
CONTROL
VR401
OUTPUT
REM Vda
CONTROL
Vda+75V
ON/OFF
9
IC401
ZD401
(+3.3V)
POWER CONTROL
Q401
R405 L402
Vda+75V
CONTROL
IC451
+5V
+5Vc L451
2
ON/OFF
TP9
5 PANEL POWER PART SOS DET
Vsus(+185V)OVER VOLTAGE
Vad(+75V)OVER VOLTAGE
LED BLINKING:4 TIMES
Q351
P+15V
P+15V
ON/OFF
Q551
P+15V STB+5V
ON/OFF
Q352 F STB
+15V
F STB+15V
ON/OFF
F STB+15V
Q704
13 6 19 9 12 1 7 3 20 4 19 30 5 10 18 11 31
TH-42PZ77U
P-Board Block Diagram
TH-42PZ77U
P2 SC2
1 VSUS
P11 SS11
1 VSUS
H5
P5
1 P+15Vs
2 P+15Vs
4 P+15Vs
6 P+15Vc
7 P+15Vc
8 P+15Vc
SS12
P12
1 Vda+75V
2 Vda+75V
4 P+15Vd
8 MAIN_SW_1
10 MAIN_SW_2
P25 D25
1 +15VC
2 +15VC
7 +5VC
9 +5VC
10 STBY+5V
13
F_STBY_ON
16
SOS4_PS
17 PANEL MAIN ON
18 ALL_OFF
20 Vda_DET
15 ECO_ON
14 STBY5V_SW
P10
H10
1 F_STBY
2 F_STBY
3 F_STBY