P-Board Block Diagram - Panasonic TH-50PHD8UK Service Manual

15.3. P-Board Block Diagram

RF601 3A
P
AC IN
POWER SUPPLY
P9
K601 K602
L601 L602
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
9
HV_ON
F603
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
ZD404 IC401
20
PFC
ZD408
16
7 14 11 18
ZD409
BIAS
1 2 3 4 6 9 8
MC401
POWER CONTROL
TH-50PHD8UK
P-Board Block Diagram
L604
MC604
MC601
RECTIFIER
1 PFC
2
AC- DC(+) 2 5 8 11 10
3
AC- DC(-)
3 1 6 4 9 7
4
Q605 Q606
10 7 3 1
BIAS IIn VIN +5
MC602
4
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 14
8 5
+12V
MC303
3
1
ISUS 2
DRIVE VOLTAGE
7
OSCILLATOR OUT 4
(HOT)
PG FB 6
D305 D306
PFC
ZD309 D308
ZD310 D307
9 4
IC301
VCC
D
5 ZC 1
VDA OSC
2 FB-
D451 D454
T401
FB_MULTI
P1 S4
+15V
Q451
D455
+15V
P2 15V
ON/OFF
V3
S5A
F_STB 14V
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
POWER SUPPLY
2
3
5
TH351
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
D551
T501
Q551
B1 S2
MAIN SW
STB ON/OFF ON/OFF
B2
Q554 Q553
P1
P2
S1
B3
SW_MAIN
B4
STB_OFF
Q555
T301 VDA R352 VDA
P2 S2
D351
POWER MODULE
P1
Exchanged board only
S1
B1
23
STB_IN
25 STB_IN
B2
22 MC603
PG
24
ERROR DET
HOT COLD
(COLD)
26 AC DET
4 5 24 16 20 19 7 6
9 15V_DET
10 F14V_ON
MC701
POWER MODULE
13 15V_IN
POWER OUTPUT CONTROL Exchanged board only
12 12V/15V_ON
67
Vsus 180V
VR351
VSUS
POWER MODULE
Exchanged board only
18
20
VSUS
21
VS_LVP1
MC303
DRIVE VOLTAGE
OSCILLATOR
19
VS_LVP2
(COLD)
22 5V
17 VS_STOP
16 HV_ON
5V
5V_ON
11 3 2 25 8 1 23 21 18
TH-50PHD8UK
P-Board Block Diagram
TH-50PHD8UK
P2 TO SC2
1 VSUS
2 VSUS
P11 TO SS11
2 VSUS
3
VSUS
P23
TO SC23
15VD
1
2
15VD
P5 TO J4
4 15VD
6 12VS(S)
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 D25
3 FAN_CONT
14 FAN_SOS
9
+5VC
7 +5VC
10 STB5V
1
12VC
2 12VC
ALL_OFF
18
H=SOS
16 PS_SOS
L=OK
17 PANEL_ON
13 F_STB_ON
P10 TO J10
1 F_STB_14V
2 F_STB_14V
3 F_STB_14V
14