
14.5. P-Board Block Diagram
TH-42PW6/TH-42PWD6
P-Board Block Diagram
TH-42PW6/TH-42PWD6
P-Board Block Diagram
+
+
+
+
+
+
+
+
+
18
19
17
14
7
6
12
9
20
2
1
15
4
10
13
12
15
14
11
10
9
8
17
16
18
2
1
4
3
7
6
7
8
14
12
13
1
2
3
4
15
11
10
9
2
1
3
DRIVER
DRV.REG
=8.3V
LATCH
O.V.P
START
REG
T.S.D
O.S.C
+
-
-
+
4
3
1
2
5
OCP/FB
Source
GND
Drain
Rg2
Rg1
DRV.REG
=8.3V
LATCH
O.V.P
START
REG
T.S.D
O.S.C
+
-
-
+
4
3
1
2
5
OCP/FB
Source
GND
Drain
Rg2
Rg1
DRIVER
Q455
Q456
Q651
Q650
Q457
Q452
Q453
3
8
6
4
L451
D451
IC551
SUSTAIN VOLTAGE CONTROL
3
1
2
2
P11
3
1
P2
2
1
P10
3
1
P23
2
1
P5
2
3
1
P7
2
1
P25
2
5
1
P27
2
3
1
P12
2
4
8
7
4
4
7
5
8
1
3
2
REGENERATIVE
CONTROL
Q552,3,4
IC554
1
3
2
Q401
Q403
Q402
Q555
2
1
3
VSUS
VSUS
VSUS
VSUS
DR15V
FAN SUS
DR15V
DR15V
12V
12V
5V
STB5V
+12Vs
+12Vs
+15Vs
+15Vs
12V
12V
5V
RUSH ON/OFF
TV ON/OFF
M POWER
STB 5V
KILL SOS
PS SOS
ALL OFF1
VDA
DR15V
STB PS
2
1
3
1
2
AVR 5V
IC555
IC403
AVR 5V
Q558
RUSH ON/OFF
5V
RL403
RL402
LINE
NEUTRAL
HOT
COLD
COLD
HOT
RL401
D404
15V
D566
D565
D408
T401
T501
T502
IC402
TVON/OFF
RUSH ON/OFF
5V
5V
Vda
Vsus
TO SS11
TO SC2
TO SC23
TO D25
TO D27
TO SS12
P
Power Supply Board
TV ON/OFF
Vin
Vin
17V
13.5V
IC552
PROCESS VOLTAGE CONTROL
12V
15Vs
STANDBY
FAN SOS
6
3
1
2
IC550
70V
380V
7V
12V
15V
190V
4
5V
DR15V
11
TO Z5
1
P9
4
TO PF9
NEUTRAL
OUT
IN
VOLTAGE
CONTROL
ERROR
DETECT
DETECT
ERROR
DETECT
ERROR
DETECT
ERROR
POWER
FACTOR
CONTROL
!
+
+
+
+
+
+
+
+
+
18
19
17
14
7
6
12
9
20
2
1
15
4
10
13
12
15
14
11
10
9
8
17
16
18
2
1
4
3
7
6
7
8
14
12
13
1
2
3
4
15
11
10
9
2
1
3
+
-
-
+
3
1
2
5
Source
GND
+
-
-
+
3
1
2
5
OCP/FB
Source
GND
Drain
Rg2
Rg1
3
8
6
4
Q454
Q451
L451
D451
IC451
3
1
2
2
P11
3
1
P2
2
1
P10
3
1
P23
2
1
P5
2
3
1
P7
2
1
P25
2
5
1
P27
2
3
1
P12
2
4
8
7
4
4
7
5
8
1
3
2
REGENERATIVE
CONTROL
Q552,3,4
IC554
1
3
2
Q401
Q403
Q402
Q557
2
1
3
VSUS
VSUS
VSUS
VSUS
DR15V
FAN SUS
DR15V
DR15V
12V
12V
5V
STB5V
+12Vs
+12Vs
+15Vs
+15Vs
12V
12V
5V
RUSH ON/OFF
TV ON/OFF
M POWER
STB 5V
KILL SOS
PS SOS
ALL OFF1
VDA
DR15V
STB PS
2
1
3
1
2
AVR 5V
IC555
IC403
AVR 5V
Q404
IC553
IC557
IC402
TVON/OFF
RUSH ON/OFF
5V
5V
Vda
Vsus
IC558
TO SS11
TO SC2
TO SC23
TO D25
TO D27
TO SS12
P
Power Supply Board
17V
13.5V
12V
15Vs
IC401
FAN SOS
6
3
1
2
IC550
70V
7V
12V
15V
190V
4
5V
DR15V
11
TO Z5
LINE
OUT
IN
ERROR
DETECT
DETECT
ERROR
DETECT
ERROR
DETECT
ERROR
POWER
FACTOR
CONTROL
!
!
!
!
!
!
!
!
!
!
B
3
2
E
C
8
A
5
D
4
6
7
1
57
Summary of Contents for TH-42PW6BX
Page 9: ...7 Location of Lead Wiring 9 ...
Page 10: ...8 Adjustment Procedure 8 1 B Set up 10 ...
Page 26: ...16 Mechanical Replacement Parts List 26 ...
Page 30: ...17 2 Electrical Replacement List 30 ...
Page 32: ...C561 62 ECJ3VC1H472J C 4700PF J 50V 2 32 ...
Page 46: ...D590 MA152K DIODE 1 MA3X152K 46 ...
Page 53: ...53 ...
Page 55: ...L6719 23 TSKA158 BEAD CORE 5 G0ZZ00001935 55 ...
Page 59: ...R410 ERJ6GEYJ6R8 M 6 8 OHM J 1 10W 1 59 ...
Page 63: ...R2321 ERJ6GEY0R00 M 0 OHM 1 10W 1 63 ...
Page 185: ...How to access the Option menu ...
Page 193: ...6 Service Hint 8 TH 42PW6EX TH 42PW6BX TH 42PWD6EX TH 42PWD6BX TH 42PWD6UY ...
Page 194: ...7 Location of Lead Wiring 9 TH 42PW6EX TH 42PW6BX TH 42PWD6EX TH 42PWD6BX TH 42PWD6UY ...
Page 215: ...30 TH 42PW6EX TH 42PW6BX TH 42PWD6EX TH 42PWD6BX TH 42PWD6UY ...