14.3. P and PF-Board Block Diagram
+
++
+
+
+
+
+
+
1
14
15V
4
M POWER
COLD
10
Q557
1
1
Q552,3,4
190V
IC403
RUSH ON/OFF
P12
20
TO D25
1
ERROR
P2
DETECT
5V
7
TO PA7
ERROR
SUSTAIN VOLTAGE CONTROL
Q455
DETECT
D565
ERROR
9
T.S.D
Vda
DETECT
4
2
OUT
LATCH
ERROR
+
15
Source
Q452
POWER
DR15V
=8.3V
5V
TO SS11
START
7
FACTOR
+15Vs
12V
Rg1
8
-
3
CONTROL
COLD
O.V.P
GND
5
T401
HOT
3
REG
17
STB PS
14
TO PA5
-
AVR 5V
Q453
Drain
-
LATCH
15Vs
8
RL402
16
8
HOT
70V
-
OCP/FB
3
3
15V
+12Vs
4
2
DRV.REG
5V
1
13
7
RUSH ON/OFF
IC558
P27
15
TO D27
2
12
380V
REGENERATIVE
D566
+15Vs
4
RL401
D404
Rg2
4
P23
11
TV ON/OFF
TVON/OFF
Rg1
9
2
CONTROL
IC402
Q555
1
2
IC555
1
O.V.P
P5
IN
2
1
3
1
4
2
P9
18
3
Q454
1
2
1
P10
STB 5V
PF
3
DR15V
DR15V
5V
Line Filter Board
IC554
7
8
VSUS
8
2
LINE
STB5V
Q451
FAN SOS
2
LF904
6
Q558
14
1
L.F
DR15V
11
12V
13.5V
+12Vs
L.F
2
12
Q456
+
L.F
VSUS
12V
6
IC552
4
4
L451
FAN SOS
1
Q651
DR15V
Vsus
PF2
O.S.C
DRV.REG
TO SS12
5
4
1
6
P
1
IC557
1
+
5V
Q401
Q457
P25
12
T501
=8.3V
+
4
Rg2
Power Supply Board
2
5
7
PROCESS VOLTAGE CONTROL
Q403
LINE
Q402
2
Q650
P11
13
PF1
10
9
6
4
3
3
LF909
1
2
LF915
D451
1
1
F900
IC451
2
3
4
F901
5V
1
IC551
N
RUSH ON/OFF
19
LIVE CIRCUIT
12V
1
4
7V
3
2
1
2
3
AVR 5V
LINE
8
3
3
NEUTRAL
N
10
4
3
1
LINE
3
VSUS
3
NEUTRAL
4
1
TV ON/OFF
AC CORD
2
TO SC2
KILL SOS
9
VSUS
Vin
CONTROL
IC401
DRIVER
STANDBY
PS SOS
TO SC23
5
OCP/FB
Source
2
VOLTAGE
3
ALL OFF1
START
DETECT
GND
Vin
D408
T502
Drain
1
18
2
2
REG
11
2
P7
17V
DRIVER
10
17
RL403
Q404
HOT
12V
T.S.D
2
O.S.C
IC550
12V
1
15
VDA
3
IC553
TH-42PA20B/E
P and PF-Board Block Diagram
TH-42PA20B/E
P and PF-Board Block Diagram
39
Summary of Contents for TH-37PA20AA
Page 20: ...4 TH 37PA20AA TH 37PA20FA TH 37PA20HA TH 37PA20MA TH 37PA20RA ...
Page 30: ...6 Mechanical Replacement Parts List 10 ...
Page 68: ...R483 ERG2FJS104D M 100KOHM J 2W 1 48 ...
Page 71: ...R1061 ERJ3GEYJ223 M 22KOHM J 1 16W 1 51 ...
Page 107: ...6 Mechanical Replacement Parts List 9 ...
Page 110: ...7 2 Electrical Replacement Parts List 12 ...
Page 144: ...R408 ERJ6GEYJ6R8 M 6 8 OHM J 1 10W 1 46 ...
Page 148: ...R1075 ERJ3GEYJ102 M 1KOHM J 1 16W 1 50 ...
Page 172: ...S300 K0F162B00002 SWITCH 1 74 ...
Page 287: ...2 Service Hint 7 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 288: ...8 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 308: ...7 3 Lead of wiring 3 ...
Page 309: ...7 4 Lead of wiring 4 ...
Page 315: ...9 3 Option Description ...
Page 316: ......
Page 317: ...10 CAT computer Aided Test mode ...
Page 330: ...17 Mechanical Replacement Parts List ...
Page 568: ...1 Applicable signals 4 TH 42PA20E TH 42PA20B ...
Page 572: ...5 Service Hint 8 TH 42PA20E TH 42PA20B ...
Page 578: ...7 Location of Lead Wiring 7 1 Lead of Wiring 1 7 2 Lead of wiring 2 14 TH 42PA20E TH 42PA20B ...
Page 579: ...7 3 Lead of wiring 3 15 TH 42PA20E TH 42PA20B ...
Page 580: ...7 4 Lead of wiring 4 7 5 Lead of wiring 5 16 TH 42PA20E TH 42PA20B ...
Page 586: ...22 TH 42PA20E TH 42PA20B ...
Page 587: ...9 3 Option Description 23 TH 42PA20E TH 42PA20B ...
Page 588: ...24 TH 42PA20E TH 42PA20B ...
Page 591: ...10 4 IIC mode structure following items value is sample data 27 TH 42PA20E TH 42PA20B ...