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THOMSON TECHNICAL COMMUNICATION
Television
Troubleshooting Flow Chart
TFC-03119
The information contained herein is provided solely to assist qualified Technician in the diagnosis of the problem described. It is not intended as a modification or alteration of the product.
REVISION DATE: 12/9/2003 Chassis: SYMPTOM: ATC221 Dead set
N o te : c o n n e c to r lo c a tio n s c a n b e fo u n d u n d e r th e c r itic a l le a d d r e s s s e c tio n in th e s e r v ic e c d . U n p lu g s e t fo r a t le a s t 6 0 s e c o n d s . P lu g b a c k in a n d p re s s p o w e r b u tto n .
TOPIC: Dead set troubleshooting
N o te : H o o k u p a n te n n a .
1.
1A .
D oes pow er LE D b lin k e r r o r c o d e s ?
Y E S
C o u n t th e n u m b e r o f b lin k s a n d lo o k u p th e e rro r c o d e .
N O
2.
D oes set a tte m p t to tu rn o n w hen pow er b u tto n is pushed ?
2A .
Y E S
G o to s te p 7 .
N O
G o to p a g e 2
Product Safety Information
Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
First Edition First Printing Copyright 2003 Thomson multimedia Inc. Printed in U.S.A. Trademark(s) ® Registered Marca(s) Registrada(s)
Page 1 of 5
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C o n tin u e d fro m page 1.
N o te : c o n n e c to rs o n c o n v e rg e n c e p o w e r s u p p ly b o a rd . G r e e n B V 0 4 ,B V 0 7 Red B V 0 2 ,B V 0 6 B lu e B V 0 3 ,B V 0 8
3.
D is c o n n e c t c rt b o a rd s fro m tu b e s . S ta rtin g w ith g r e e n . D is c o n n e c t c o n n e c to r s to c r t b o a r d s 1 a t a tim e .
4.
P re s s p o w e r b u tto n . D o e s s e t com e up ?
4A.
YES
S u s p e c t d e fe c tiv e c r t b o a r d o r c rt.
5.
NO
C h e c k c o n n e c to r B P 0 0 5 (o n th e d e fle c tio n b o a rd ) fo r 3 .3 v d c o n p in s 2 3 ,2 4 a n d 5 v d c o n p in 2 2 .
6.
6A.
A re v o lta g e s c o rre c t ?
NO
T r o u b le s h o o t s ta n d b y p o w e r s u p p ly .
YES
7.
D is c o n n e c t a ll c o n n e c to r s to C o n v e rg e n c e s ig n a l b o a r d .
G o to p a g e 3
Product Safety Information
Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
First Edition First Printing Copyright 2003 Thomson multimedia Inc. Printed in U.S.A. Trademark(s) ® Registered Marca(s) Registrada(s)
Page 2 of 5
THOMSON INC.
C o n tin u ed fro m pa g e 2
8.
P ress p o w er b u tton . D o yo u g e t H V an d /or so un d ? YES
8A.
S u spe ct C on ve rg e nce sig n a l b oa rd .
NO
9.
D oe s u nit h a ve a D V D p layer bu ilt in ? NO
9A. G o to ste p 1 2 .
YES
10.
D isco n n ect a ll co n ne cto rs to D V D e xce pt B R 0 0 1 S m a ll sign a l b oa rd , B P 6 05 a nd H K 0 0 1 D V D b o ard .
11.
P ress p ow e r b u tto n . D o yo u g e t H V a nd /o r so un d ? YES
11A.
S u sp e ct D V D A ssem b ly
12.
NO
D isco n n ect a ll ca b le s fro m D R I b oa rd . P lug B T 15 0 in to B P 5 0 1 o n sm all sig n al bo a rd .
G o to p a g e 4 .
Product Safety Information
Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
First Edition First Printing Copyright 2003 Thomson multimedia Inc. Printed in U.S.A. Trademark(s) ® Registered Marca(s) Registrada(s)
Page 3 of 5
THOMSON INC.
C o n t in u e d f r o m page 3.
13.
P re s s p o w e r b u tto n . D o e s s e t com e up ? YES
13A.
S uspect D R I b o a rd .
NO
14.
D is c o n n e c t c o n n e c t o r B P 6 0 ( c o n v e r g e n c e p o w e r s u p p ly b o a rd ).
15.
P re s s p o w e r b u tto n . D o y o u g e t H V a n d /o r sound?
15A.
S uspect c o n v e rg e n c e a m p b o a rd .
YES
NO
16.
D is c o n n e c t c o n n e c to r B P 1 0 (c o n v e rg e n c e p o w e r s u p p ly b o a rd ).
G o to p a g e 5 .
Product Safety Information
Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
First Edition First Printing Copyright 2003 Thomson multimedia Inc. Printed in U.S.A. Trademark(s) ® Registered Marca(s) Registrada(s)
Page 4 of 5
THOMSON INC.
C o n tin u e fr o m page 4.
17.
P re s s p o w e r b u tto n . D o y o u g e t h v a n d /o r sound ?
17A.
T ro u b le s h o o t c o n v e rg e n c e p o w e r s u p p ly .
YES
NO
18.
D o e s v o lta g e d ro p o n p in 2 B R 0 0 1 ( s m a ll s ig n a l b o a rd ) w h e n p o w e r b u tto n is p u s h e d ?
18A.
NO
C heck pow er s w itc h
YES
19.
P r e s s p o w e r b u tto n . D o e s v o lta g e o n p in 6 B P 0 0 5 (d e fle c tio n b o a rd ) d ro p ?
19A.
S u s p e c t S m a ll s ig n a l b o a rd .
NO
YES
20.
T r o u b le s h o o t d e fle c tio n /p o w e r s u p p ly b o a r d .
Product Safety Information
Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
First Edition First Printing Copyright 2003 Thomson multimedia Inc. Printed in U.S.A. Trademark(s) ® Registered Marca(s) Registrada(s)
Page 5 of 5
THOMSON INC.