TOSHIBA 42WP37 PLASMA TV Schematics

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42WP37

Main Block Diagram

SS2 SU
SC2 SC23 P23 P2

A
S.R 48

SC
SC20 D20

D
DISCHARGE CONTROL CONTROL

3.3V 2.5V 1.8V

DC/DC CONVERTER

D25

UR12V P25 5V STB7V ON/OFF P27 SOS STB5V

P

15V SS48 VSUS VDA 15V 12V PROCESS VOLTAGE RECTIFIER P11 SS11 VSUS

SS
ADDRESS VOLTAGE (VE)

D27 MAIN MPU ROM SDRAM ROM

5V

SUB MPU S.R 64 CONTROL PULSE 24bit BUS

SUSTAIN VOLTAGE RECTIFIER

FORMAT CONVERTER RGB PROCESSOR

PLASMA AI SUB-FIELD PROCESSOR P10

PROCESS VOLTAGE CONTROL

SUSTAIN VOLTAGE CONTROL

SUSTAIN PULSE

ERASE PULSE 15V Vda POWER FACTOR CONTROL

S.R 64

LVDS

LVDS

A/D

SDRAM STB7V STB5V

B
S.R 64

STANDBY VOLTAGE RECTIFIER

P12

SS12

SUSTAIN PULSE

P7 D5 D6 D3 D31 D32 STANDBY VOLTAGE CONTROL J5 J6 J3 P5

RECTIFIER

J
S.R 64 SCAN PULSE SYNC SEPARATOR

RECTIFIER

RELAY

P9 SYNC SW ANALOG SW VOLTAGE GENERATOR
J10

S.R 64

Z5

Z
DC/DC CONVERTER
A UDIO SW J8 Z8

C

S.R 64

PRE AMP

SS23 R OUT L OUT

SS34

SS49

J11 S.R 48 LVDS TX GC2M+

J12

J13

J14

Z7

Z6

S1
POWER SWITCH S34

SS3

HZ

HZ

HX
AC IN PF2 STB ON/OFF STB 5V STB 15V

SW

HV F
PF9 F.STB +14V AUDIO COMPONENT VIDEO AUDIO COMPONENT VIDEO PC AUDIO PC

SD
S-VIDEO VIDEO RS-232C

LINE FILTER

H3
F1 AC IN L SPEAKER TERMINAL + SP

H3

D

SP

+ R SPEAKER TERMINAL VDA

C11

C21

C23

LED

C1
C12 C22

C2

V1

POWER ON STAND BY

G

R C24 V34 REMOTE RECEIVER INPUT S.R. S.R. S.R. S.R. S.R. S.R. S.R. LIGHT DETECTER MENU + ASPECT

E

Main Block Diagram

Main Block Diagram

1

2

3

4

5

6

7

8

42WP37

PF-Board Block Diagram

A

PF
Line Filter/F.STB Board AC INLET PF1
1

! AC F900

! L901-L902

PF9 TO P9
1

NEUTRAL

B
4

! AC F901

LINE FILTER
4

LINE

PF10
AC LINE CODE

TO J10

! F902

!

RL901

1

STB+5V

F.STB ON/OFF RELAY F.STB ON/OFF

Q903
! L905 LINE FILTER ! D902

2 5 6

F.STB ON/OFF F.STB+14V F.STB+14V

HOT
!
T901
1 12 11 10

COLD

+
2 3 3

+

+

!

9 2 5 6 8 7

C

IC901
STB REG

1

!

D907

+

1

IC902
ERROR DET
3

2

D

E

PF-Board Block Diagram

PF-Board Block Diagram

1

2

3

4

5

6

7

8

42WP37

PF-Board Schematic Diagram

A

NEUTRAL

PF9

1

**

3

4

LIVE
**

TO P-BOARD (P9)

B

!

PF-BOARD TXNPF10QBS
COLD HOT
C902 Not specified DC 220p

COLD

!

C903 Not specified DC 220p

!

AC CORD

T8AH 250V F900 K5Y802B00001

C901 Not specified DC 1u D901 ERZV10V621P2

!

C906 Not specified DC 0.22u L901 G0B123K00001
* *

!

C912 Not specified DC 1u

!

!
LIVE

RL901
K6B2ADA00007 TP901 PF10 1
* *

!

!

!

!
LIVE
*

L902

TO J-BOARD (J10)
STB+5V F.STB ON/OFF GND GND F.STB+14V F.STB+14V

PF1
1
**

LIVE

LIVE

G0B123K00001
*

+

*

*

AC INLET

*

*

*

C925 50V 10u

4

4

3

3

2 3 4 5 TP902 6

T8AH 250V
* *
1/2W $ 1/2W$

3 4

*

*

*

!

1

2

1

2

F901

NEUTRAL K5Y802B00001

NEUTRAL

NEUTRAL

*

*

*

*

C

**

!

R901 1M

!

R902 1M 3.5mm 3.5mm
* *

*

F902 K5D312BK0012

!

*

4

3

3.5mm

3.5mm

1

2

*

*

C904 C905 220p 220p Not specified DC Not specified DC

!

!

LIVE

NEUTRAL

m

JS901

IC901
*

560V

*

D 3

*

CONTROL

*

*

#

C913 450V 100u

**

*

S

2

! D902
B0EBNT000002

*

1

16V

D
**

M

1

Not specified DC 220p

2

3

E

PF-Board Schematic Diagram

1

2

3

L.F

L.F

L.F

NEUTRAL

D922 MA3X152K0L

Q903
LIVE 2SD13280SL R927 47k R926 3.3k

!

L905 ELF17N011A

T3.15AL250V

F.STB ON/OFF
7W

14V

NEUTRAL

*

*

R903 3.3 C914 630V 0.022u R904 68k
2W

400V L906 EXCELDR35V

C921 1kV 220p 1 P1
*

D920 B0HFRJ000012 L904 10u 14V

NC 12

TP903

560Vp

2 PT

NC 11

MIP2E4DMY1TV
+ C919 2kV 1000p + C918 50V 33u +

D903 B0HAGV000004
*

3 P2

S2 10
*

STB REG
5 V1 R906 3.3
1/2W

9 NC S1 8
*

C922 25V 2700u

C923 25V 1500u

R928 2.2k TP904

+

D921 B0BA02000024

+

D923 LNJ201LPQJA

6 V2

NC 7

D904 C917 50V 0.1u + C916 35V 47u R905 33 + B0HCMM000009

T901 ETS28AZ1E6AD

!

C915 50V 10u

R920 100

R923 22k
1%

D906 B0BA01000046

! D907
B3PAA0000012

R921 2.2k

R922 4.7k R907 12

R924 24k
1%

+

!

C920

C924 50V 1u

2.5V

R925 10k
1%

IC902
C0DAEJC00003

ERROR DET

PF-Board Schematic Diagram

4

5

6

7

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