13.15. P-Board Block Diagram (50inch)
15
2
10
Q551
D454
16
3
FB-
8
19
D305
17
1
1
17
D306
4
S3
BIAS
2
S4
3
5
24
11
3
PFC
13
12VC
1
7
3
STB_OUT
12VC
CNPFC
ZD408
23
ON/OFF
23
15V_OUT
BIAS
D455
22
VIN
25
D453
+5
26
IC401
F_STB_14V
OVP
P2
STB_IN
IIn
18
MC603
20
GATE
6
6
D308
GND(BIAS)
14
4
5
D307
MC602
5V_OUT
P23
VR351
2
L601
8
ZD310
K601
5V_ON
PANEL_ON
9
L606
F_STB_14V
D
P10
23
AC+
F_STB_ON
8
1
21
4
AC-
MC701
7
VCC
D451
20
3
10
S2A
ZC
S5B
19
ALL_OFF
AC_N
1
TO PB5
STB_ON
VSUS
1
2
24
12VS(W)
Vsus 180V
Q451
MC301
RUSH
12
15V(FAN)
FB_STB
P30
VD_OUT
PC_PFC_DET
PFC_ON
13
AC IN
3
ZD409
Q605
BIAS
1
S1
R352
Q606
FAN SOS
12V_ON/OFF
VDA
-GND
Q602
TO PB30
Q555
8
Q603
FAN CONT
4
VSUS
STB_OFF
2
5VC
19
L604
5
5
+5
VS_L
VP1
SW_MAIN
16
4
7
8
1
5V_ON
15VD
RFCO_ON
10
D452
L=OK
2
VDA
9
11
T501
VDA
6
3
H=SOS
6
TH351
Q453
2
7
HV_ON
18
1
P5
L401
VS_LVP2
P12
VS_L
VP2
12VS(S)
12VS(W)
SW_MAIN
1
15VD
16
SW_MAIN
15VD
1
V1
13
TO SC23
TO SS12
PG
15VD
FB_MULTI
18
8
6
VS-OUT
3
1
17
P1
4
VS_OUT
VS_LVP1
9
Q452
8
2
20
FAN_CONT
1
STB_OFF
15V_IN
FB
3
2
3
D351
P25
4
VSUS
15V
ON/OFF
6
MC501
FAN_SOS
9
V2
NEUTRAL
+5VC
7
12V/15V_ON
RLY-
+5VC
A
C_L
MC601
PFC
S6
TO D5
7
AC-
5
TO SC2
4
7
DISCHG
AC-
VSUS
3
F14V_ON
14
4
4
18
DC(+)
ON
12VC
P2
Q601
DC(-)
12VC
1
ZD601
MC604
LIVE
25
5
STB5V
2
RECTIFIER
STB POWER CONTROL
10
S5A
D602
1
V4
P9
1
11
ZD404
14
VR451
2
2
MC401
STB_OUT
9
5
RLY-
V3
D501
S2B
BIAS
8
L602
5
6
P11
TO PA10
16
3
11
4
-PFC
5
PC503
1
F_STB_14V
2
4
3
Q554
24
17
ON/OFF
IC501
ZD309
22
+15V
Q553
PS_SOS
PG
4
16
VSUS
15
2
18
1
T301
ISUS
120V
A
C_DET
7
PG
OUT
IC301
VSUS
6
HV_ON
21
PFC
19
T401
5V
4
K602
TO SS11
8
2
VS_STOP
50/60Hz
12
7
PC_PFC_ON
HV_ON
PC_HV_ON
RF601 3A
14
9
9
MC303
18
8
15
17
1
10
4
16
2
3
6
5
11
14
13
9
MC302
12
7
18
3
4
1
2
(HOT)
AC DET
MC603
(COLD)
Q332
Q333
STB_IN
3
MC303
(HOT)
(COLD)
COLD
HOT
COLD
HOT
COLD
HOT
VS_ST
OP
P
ANEL_ON
ALL_OFF
F_STB_ON
PS_SOS
POWER MODULE
Exchanged board only
Exchanged board only
POWER MODULE
Exchanged board only
POWER MODULE
Exchanged board only
POWER MODULE
Exchanged board only
POWER MODULE
Exchanged board only
POWER MODULE
POWER MODULE
Exchanged board only
POWER MODULE
Exchanged board only
P
POWER SUPPLY
MAIN ON/OFF
R
USH ON/OFF
PFC
PFC CONTROL
10
11
POWER OUTPUT CONTROL
POWER CONTROL
Vsus
POWER SUPPLY
Vsus
POWER SUPPLY
MAIN SW
ON/OFF
STB ON/OFF
ERROR DET
OSC
F14V_ON/OFF
ERROR DET
DRIVE VOLTAGE
OSCILLATOR
OSCILLATOR
DRIVE VOLTAGE
IPD
TH-50PX50U
P-Board Block Diagram
TH-50PX50U
P-Board Block Diagram
TH-37PX50U / TH-42PX50U / TH-50PX50U
123
Summary of Contents for TH37PX50U - 37" HD PLASMA TV
Page 24: ...7 Location of Lead Wiring 7 1 Lead of Wiring 1 TH 37PX50U 24 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 25: ...7 2 Lead of Wiring 2 TH 37PX50U 25 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 26: ...7 3 Lead of Wiring 3 TH 42PX50U 26 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 27: ...7 4 Lead of Wiring 4 TH 42PX50U 27 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 28: ...7 5 Lead of Wiring 5 TH 50PX50U 28 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 29: ...7 6 Lead of Wiring 6 TH 50PX50U 29 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 30: ...7 7 Lead of Wiring 7 30 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 31: ...7 8 Lead of Wiring 8 TH 37PX50U 31 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 32: ...7 9 Lead of Wiring 9 TH 42PX50U 32 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 33: ...7 10 Lead of Wiring 10 TH 50PX50U 33 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 37: ...8 4 No Picture 37 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 40: ...9 4 Option 40 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 44: ...10 4 Adjustment Volume Location 44 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 45: ...10 5 Test Point Location 45 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 108: ...TH 37PX50U TH 42PX50U TH 50PX50U 108...
Page 228: ...14 2 Pcaking Exploded Views 1 228 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 229: ...14 3 Pcaking Exploded Views 2 229 TH 37PX50U TH 42PX50U TH 50PX50U...
Page 230: ...14 4 Pcaking Exploded Views 3 230 TH 37PX50U TH 42PX50U TH 50PX50U...
