Convergence troubleshooting chart – Toshiba TW40F80 User Manual

Page 101

Advertising
background image

RF
SW

H003

ANT1

ANT2

HY01

TUNER/IF

S C L S D A

A T F 2

TV2-V

TUNER

S C L S D A

H001

H002

TUNER

S D A

S C L

A T F 1 R W L

L R

TV1-V, L, R

FRONT
SURROUND
UNIT

L

R

L

R

S U R R O U N D

S W

A F T 2

A F T 1

I C STOP

S C L

S D A

2

M U T E

INT/EXT

S Y N C - A V 1

Y S / Y M

I C STOP

2

D V D S W

S Y N C V C D

C L K

C S

B U S Y

D A T A

O S D R S T

H D

V D

R E S E T

+ 5 V - 1

P O W E R

S C L 0

S D A 0

A C P

K E Y A
K E Y B

R M T O U T

R M T

TMP87CS38N
-3320

Q A 0 1
M I C R O C O M P U T E R

MEMORY
EEPROM

S C L 0

S D A 0

+ 5 V - 1

QA02

S D A

S C L

V - A V

Y S

R

G

B

C L K

C S

B U S Y

D A T A

O S D R S T

H D

V D

OSD/EDS/
CC/RGB SW
UNITCP

24LC088 I/P

V I D E O 3
INPUT

F R O N T
K E Y S

FRONT
UNIT

P O W E R
S W I T C H

P H O T O
D I O D E

R E M O T E
S E N S O R

FRONT
UNIT

S U B
V

C

Y

Y/C
SEP.

Z Y 0 1 C F M 1 1 3

S C L

S D A

SUPER

LIVE

NORMAL

WIDE

B L K

AUTO LIVE

UNIT

S C P

S C L

S D A

Y

C

VD

HD

S C P

Y

I

Q

DUAL
UNIT

S C L

S D A

V P

H D

Y

I

Q

Y I Q

VD

B L K

3D. Y/C
SEPA.
UNIT

WAC
UNIT

Y

I

Q

S W Y

Y

I

Q

C r C d

DVD SW
UNIT

C S P

S C L

S D A

C

Y

Y . C V I D E O

B U F F E R

B U F F E R

B U F F E R

Y

C

V - A V

Q S 1 0 1

Q S 1 0 1

+

+

W(SBS)

R

L

FRONT
LAMP

LA4282

L

+ 3 8 V

R

M U T E

Q601

B

G

R

S C P

O S D B

O S D G

O S D R

O S D Y 5

Q

I

Y

Q

I

Y

S Y N C O U T

C - I N

S Y N C I N

Y - I N

S D A

S C L

H - O U T

A B L

V . S . M .

B

G

R

Y

S

Y m / P o w e r o f f

V I D E O /
C H R O M A
TA1222AN

Q501

FBP

VP-OUT

HD-OUT

+9V

+ 5 V - 2

+ 5 V - 3

+ 9 V - 2

Q 8 3 0

Q 8 3 1

Q 8 3 2

TV2

S C L

S D A

TV1
(V.L.R)

S Y N C - A V 1

L.R

V 3 ( V . Y . C . L . R )

P I P - V

Y . C

V - A V

Y . C

V 1

V 2

D V D I N

TA1218N

QV01 A\V SW

A/V UNIT

V I D E O 2 ( Y , L , R o r D V D ( L , R )

D V D ( Y , C r , C b ) D V D ( Y )

V A R I O U T ( L , R )

M O N I T O R O U T ( V , L , R )

C V D ( C r , C b )

V I D E O 2
(V.L.R) or
D V D ( Y . L . R )

V I D E O 1 ( V , Y , C , L , R )

D V D ( Y , L , R )

S601

EXT

E X T S P

F R O N T

H E A T E R

INT

EXT

SPEAKER

UNIT

L, R

L

R

F R O N T S P
O R C E N T E R S P

E X T S P ( L ) F R O N T

E X T S P ( R ) F R O N T

F R O N T

+ 2 0 0 V
B L K

V . S . M

+ 1 2 5 V
+ 1 2 V

D R I V E

R E T U R N

S . V . M
U N I T

L472
(R)

L473
(G)

L474
(B)

V . M . C O I L

O R T D R I V E
(RED)
U N I T

V 9 0 1

P I C T U R E
TUBE (RED)

V 9 0 2

PICTURE
TUBE (GREEN)

V 9 0 3

P I C T U R E
TUBE (BULE)

30.7kV

30.7kV

30.7kV

O R T D R I V E
(GREEN)
U N I T

O R T D R I V E
(BULE)
U N I T

V

H

D E F Y O R K
L462, L463, K464

Z 4 1 0

R

G
B

R

G

B

TO CRT
F O C U S
(G4)

TO CRT
S C R E E N
(G2)

F U C A S P A C K

D O F

E o

A C 1 2 0 V
60Hz

F 8 0 1
125V7A

LINE
FILTER

TRF3205M

T801
T802

R E L A Y
D R I V E

Q B 4 3 Q B 3 0

T840
TPW1459AZ

POWER
RELAY
SR81

D C 1 2 V T V - 8

D 8 0 2 - D 8 0 5

F 8 5 0
125V3.15A

VOLTAGE REG.

STR57041

Q 8 0 2

CONVERTER TRANS

TPW3330AM

T888

D 8 4 0
S 1 W A 2 0

STANDBY
+5V REGU

L78MR05

S T B 5 V

R E S E T

OVER CURRENT
PROTECT

OVER VOLTAGE
PROTECT

LOW VOLTAGE
PROTECT

+ 3 0 V

+ 1 5 V

-15V

F 8 5 1 1 2 5 V 5 A

Q 7 5 5

Q 7 5 4

Q 7 5 6

-9V

+ 5 V

+ 9 V

L462
R E D
C O N V E R
Y O K E

L462
B L U E
C O N V E R
Y O K E

L462
G R E E N
C O N V E R
Y O K E

R H
B H
G H

Q 7 5 2

S T K 3 9 2 - 1 1 0

A M P

G H

G H

B H

B H

R H

R H

S T K 3 9 2 - 1 1 0

R V
B V
G V

Q 7 5 1

C O N V E R O U T P U T
A M P

Q 7 0 7

Q 7 0 3

Q 7 1 5

P L L

Q 7 0 1

DIGITAL
CONNER
T7064

D I G I T A L C O N V E R G E N C E L N I T

D A C

D A C

D A C

Q 7 0 5

Q 7 0 4

Q 7 1 3

Q 7 1 7

Q 7 1 9

PHOTO COUPLER

TLP621 (GR-L)

+ 1 2 5 V

VOLTAGE REG.

STR-Z23201

CONVERTER

TRANS

TPW3332A5

PROTECTION

H I C 1 0 1 9

O V E R
V O L T A G E
P R O T E C T

+ 3 8 V

+ 1 2 V

Q 8 0 1

Q 8 6 2

Z 8 0 1

Z 8 6 2

X-TAL

125V5A

F 8 6 0

125V5A

F 8 9 0

125V5A

F 8 8 9

250V2A

F 8 7 0

D 8 0 1

POWER1
UNIT

P O W E R

P R O T E C T

S C L
S D A
V D

D P C WF

+ 9 V

+ 3 5 V

-27V

DPC
UNIT

Q 3 0 1

V - B L K
V E R T I C A L
LA78335

IN

O U T

Q 4 8 7 , Q 4 8 8 , Q 4 8 9

V - B L K

B L K

H - B L K

V - S T O P

BLANKING

DQF

T400

A F C

H E A T E R

ABL SELECT

N O R M A L

Q 4 2 0

+ 9 V - 1

10

9

4

7

6

5

2

3

1

8

+ 1 2 V

+ 3 5 V

-27V

+ 1 2 5 V

+ 1 2 5 V

A B L

FOCLS

H V

T461 FBT
TFB3078AD

DEF H.V UNIT

Q 4 0 2

H O R .
D R I V E

Q 4 0 4

H O R .
O U T

2SC1589

Q 4 0 1

2 S C 2 2 5 3 F A

H V R E G U .
C I R C U I T

Q 4 8 3 , Q 4 8 0

Z450 CR BLOCK
TPA5007

H - 5
C O R E C T I O N

S U P E R L I V E

WF
C I R C U I T

WIDE

WIDE

V - S H I F T

MAIN UNIT

Advertising