Herringbone pattern in video (Hitachi 46" PTV Model #: 46UX

R

Robert McPherson

Guest
Hitachi 46" PTV Model #: 46UX13K DOP: 1994

Herringbone pattern in video (With RCA PPJ Input video or tuner video)

Customer said problem has been existant for about 2 weeks.

Any suggestions or known fixes?

Thanks!

Robert McPherson
McPherson Electronics
Louisville, KY

rm502@bellsouth.net
 
If it is the subject chassis the smd caps on both the pip and saw filter
have to be addressed. Hitachi has a updated parts list and specific
instructions for this repair. You sill spend some time doing the cleanup
from the original caps before actually replacing them with new components.
"Robert McPherson" <rm502@bellsouth.net> wrote in message
news:1fe013f5.0404121244.2e591382@posting.google.com...
Hitachi 46" PTV Model #: 46UX13K DOP: 1994

Herringbone pattern in video (With RCA PPJ Input video or tuner video)

Customer said problem has been existant for about 2 weeks.

Any suggestions or known fixes?

Thanks!

Robert McPherson
McPherson Electronics
Louisville, KY

rm502@bellsouth.net
Click to expand...
 
---------------------------------------------------------------
Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
---------------------------------------------------------------

HITACHI 46UX13K

Video Has Swirling Lines Running Through Picture

Joe Searles Tv Repair, Virginia Beach, Va 23452

Cure: Replaced Surface Mounted Filters In Both Comb Filter And Pip Modules.

---------------------------------------------------------------

HITACHI 46UX13K

Video Ringing - 3-LINE COMB FILTER

Alvie Rodgers C.E.T.

SERVICE BULLETIN PTV 95-04
August, 1995
Hitachi Home Electronics (America), Inc.
National Service
MODELS: 46UX7B/K, 46UX10BA, 46UX10BF, 46UX11KA, 46EX2B/K, 46UX11KF, 46UX12B,
46UX13K
50UX7B/K, 50UX8D/W, 50EX2K, 50UX10B, 50UX11K, 50UX14B, 50UX15K,50UX16W
60SX1K, 60SX2K

SUBJECT: THE SERVICE PROCEDURE FOR THE 3-LINE COMB FILTER IN THE AP-13, 14,
AP-23, 24 CHASSIS.

3-LINE COMB FILTER part numbers involved are:
2375231 (HC3020), 2375233 (HC3023), 2375234 (HC3024).

It has become necessary to change the servicing procedure for the 3-Line
Comb Filter in the subject chassis. It will be necessary for the 3-Line Comb
Filter to be serviced in the field, instead of replaced. If an order for
the 3-Line Comb Filter is received in parts, a repair KIT will be
substituted. The kit contains known capacitors that are most often involved
in the failure of the 3-Line Comb Filter. Please replace ALL capacitors
listed, this will assure the most reliable
repair for the 3-Line Comb Filter.

PROCEDURE: To facilitate the repair of the module, UNPLUG the set, remove
the back of the set, locate the 3-Line Comb Filter directly behind the
vertical stand-up P.W.Bs. Remove the two screws holding the chassis and pull
the chassis back and stand it up. Secure the chassis in the up right
position, exposing the bottom of the main chassis.

(Signal and Deflection). Unsolder the 3-Line Comb Filter and remove it from
the set. Then remove both shields. Utilizing the attached component location
chart, replace all capacitors listed.

REPAIR KIT PART NUMBER IS X480126
Please order this part number and not the 3-Line Comb Filter.

NO. COMPONENT VALUE
1 C 001 10uF
2 C 201 1 uF
3 C 217 1 uF
P/N 2375231 HC3020
P/N 2375233 HC3023
P/N 2375234 HC3024
If replacement of capacitors does not repair the 3-Line Comb Filter, please
call for Technical Assistance (1-800-393-2369).

Two types of capacitors could be received in the Kit. The 1st type is a chip
capacitor. The 2nd type is of the Lead type.

---------------------------------------------------------------

HITACHI 46UX13K

Comb Filter Kit Hitachi P/N X480126 Contents:

Linda Denny Rapid Repair

C001 10uf/16v, C201 1uf/50v, C217 1uf/50v.

---------------------------------------------------------------



--
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@snet.net
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd


"Robert McPherson" <rm502@bellsouth.net> wrote in message
news:1fe013f5.0404121244.2e591382@posting.google.com...
Hitachi 46" PTV Model #: 46UX13K DOP: 1994

Herringbone pattern in video (With RCA PPJ Input video or tuner video)

Customer said problem has been existant for about 2 weeks.

Any suggestions or known fixes?

Thanks!

Robert McPherson
McPherson Electronics
Louisville, KY

rm502@bellsouth.net
Click to expand...
 
4/13/2004: Thanks Art! I'll give it a try.

Robert McPherson

"Art" <stubby@comcast.net> wrote in message news:<XpSdnXYWQo81mObdRVn-hQ@comcast.com>...
If it is the subject chassis the smd caps on both the pip and saw filter
have to be addressed. Hitachi has a updated parts list and specific
instructions for this repair. You sill spend some time doing the cleanup
from the original caps before actually replacing them with new components.
"Robert McPherson" <rm502@bellsouth.net> wrote in message
news:1fe013f5.0404121244.2e591382@posting.google.com...
Hitachi 46" PTV Model #: 46UX13K DOP: 1994

Herringbone pattern in video (With RCA PPJ Input video or tuner video)

Customer said problem has been existant for about 2 weeks.

Any suggestions or known fixes?

Thanks!

Robert McPherson
McPherson Electronics
Louisville, KY

rm502@bellsouth.net
Click to expand...
 
Thanks Jeff: I knew there was a bulletin but for the life of me I could not
put my finger on it.
"Shoreline Electronics" <jstielau@snet.net> wrote in message
news:FTMec.18$dA2.3@newssvr32.news.prodigy.com...
---------------------------------------------------------------
Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
---------------------------------------------------------------

HITACHI 46UX13K

Video Has Swirling Lines Running Through Picture

Joe Searles Tv Repair, Virginia Beach, Va 23452

Cure: Replaced Surface Mounted Filters In Both Comb Filter And Pip
Modules.

---------------------------------------------------------------

HITACHI 46UX13K

Video Ringing - 3-LINE COMB FILTER

Alvie Rodgers C.E.T.

SERVICE BULLETIN PTV 95-04
August, 1995
Hitachi Home Electronics (America), Inc.
National Service
MODELS: 46UX7B/K, 46UX10BA, 46UX10BF, 46UX11KA, 46EX2B/K, 46UX11KF,
46UX12B,
46UX13K
50UX7B/K, 50UX8D/W, 50EX2K, 50UX10B, 50UX11K, 50UX14B, 50UX15K,50UX16W
60SX1K, 60SX2K

SUBJECT: THE SERVICE PROCEDURE FOR THE 3-LINE COMB FILTER IN THE AP-13,
14,
AP-23, 24 CHASSIS.

3-LINE COMB FILTER part numbers involved are:
2375231 (HC3020), 2375233 (HC3023), 2375234 (HC3024).

It has become necessary to change the servicing procedure for the 3-Line
Comb Filter in the subject chassis. It will be necessary for the 3-Line
Comb
Filter to be serviced in the field, instead of replaced. If an order for
the 3-Line Comb Filter is received in parts, a repair KIT will be
substituted. The kit contains known capacitors that are most often
involved
in the failure of the 3-Line Comb Filter. Please replace ALL capacitors
listed, this will assure the most reliable
repair for the 3-Line Comb Filter.

PROCEDURE: To facilitate the repair of the module, UNPLUG the set, remove
the back of the set, locate the 3-Line Comb Filter directly behind the
vertical stand-up P.W.Bs. Remove the two screws holding the chassis and
pull
the chassis back and stand it up. Secure the chassis in the up right
position, exposing the bottom of the main chassis.

(Signal and Deflection). Unsolder the 3-Line Comb Filter and remove it
from
the set. Then remove both shields. Utilizing the attached component
location
chart, replace all capacitors listed.

REPAIR KIT PART NUMBER IS X480126
Please order this part number and not the 3-Line Comb Filter.

NO. COMPONENT VALUE
1 C 001 10uF
2 C 201 1 uF
3 C 217 1 uF
P/N 2375231 HC3020
P/N 2375233 HC3023
P/N 2375234 HC3024
If replacement of capacitors does not repair the 3-Line Comb Filter,
please
call for Technical Assistance (1-800-393-2369).

Two types of capacitors could be received in the Kit. The 1st type is a
chip
capacitor. The 2nd type is of the Lead type.

---------------------------------------------------------------

HITACHI 46UX13K

Comb Filter Kit Hitachi P/N X480126 Contents:

Linda Denny Rapid Repair

C001 10uf/16v, C201 1uf/50v, C217 1uf/50v.

---------------------------------------------------------------



--
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@snet.net
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd


"Robert McPherson" <rm502@bellsouth.net> wrote in message
news:1fe013f5.0404121244.2e591382@posting.google.com...
Hitachi 46" PTV Model #: 46UX13K DOP: 1994

Herringbone pattern in video (With RCA PPJ Input video or tuner video)

Customer said problem has been existant for about 2 weeks.

Any suggestions or known fixes?

Thanks!

Robert McPherson
McPherson Electronics
Louisville, KY

rm502@bellsouth.net
Click to expand...
 
Tuesday 4/13/2004:

Jeff:

Thank You very much for your detailed suggestions. This sounds
exactly like what I have in this customers set.

Robert McPherson
Louisville,KY
--------------------------


"Shoreline Electronics" <jstielau@snet.net> wrote in message news:<FTMec.18$dA2.3@newssvr32.news.prodigy.com>...
---------------------------------------------------------------
Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
---------------------------------------------------------------

HITACHI 46UX13K

Video Has Swirling Lines Running Through Picture

Joe Searles Tv Repair, Virginia Beach, Va 23452

Cure: Replaced Surface Mounted Filters In Both Comb Filter And Pip Modules.

---------------------------------------------------------------

HITACHI 46UX13K

Video Ringing - 3-LINE COMB FILTER

Alvie Rodgers C.E.T.

SERVICE BULLETIN PTV 95-04
August, 1995
Hitachi Home Electronics (America), Inc.
National Service
MODELS: 46UX7B/K, 46UX10BA, 46UX10BF, 46UX11KA, 46EX2B/K, 46UX11KF, 46UX12B,
46UX13K
50UX7B/K, 50UX8D/W, 50EX2K, 50UX10B, 50UX11K, 50UX14B, 50UX15K,50UX16W
60SX1K, 60SX2K

SUBJECT: THE SERVICE PROCEDURE FOR THE 3-LINE COMB FILTER IN THE AP-13, 14,
AP-23, 24 CHASSIS.

3-LINE COMB FILTER part numbers involved are:
2375231 (HC3020), 2375233 (HC3023), 2375234 (HC3024).

It has become necessary to change the servicing procedure for the 3-Line
Comb Filter in the subject chassis. It will be necessary for the 3-Line Comb
Filter to be serviced in the field, instead of replaced. If an order for
the 3-Line Comb Filter is received in parts, a repair KIT will be
substituted. The kit contains known capacitors that are most often involved
in the failure of the 3-Line Comb Filter. Please replace ALL capacitors
listed, this will assure the most reliable
repair for the 3-Line Comb Filter.

PROCEDURE: To facilitate the repair of the module, UNPLUG the set, remove
the back of the set, locate the 3-Line Comb Filter directly behind the
vertical stand-up P.W.Bs. Remove the two screws holding the chassis and pull
the chassis back and stand it up. Secure the chassis in the up right
position, exposing the bottom of the main chassis.

(Signal and Deflection). Unsolder the 3-Line Comb Filter and remove it from
the set. Then remove both shields. Utilizing the attached component location
chart, replace all capacitors listed.

REPAIR KIT PART NUMBER IS X480126
Please order this part number and not the 3-Line Comb Filter.

NO. COMPONENT VALUE
1 C 001 10uF
2 C 201 1 uF
3 C 217 1 uF
P/N 2375231 HC3020
P/N 2375233 HC3023
P/N 2375234 HC3024
If replacement of capacitors does not repair the 3-Line Comb Filter, please
call for Technical Assistance (1-800-393-2369).

Two types of capacitors could be received in the Kit. The 1st type is a chip
capacitor. The 2nd type is of the Lead type.

---------------------------------------------------------------

HITACHI 46UX13K

Comb Filter Kit Hitachi P/N X480126 Contents:

Linda Denny Rapid Repair

C001 10uf/16v, C201 1uf/50v, C217 1uf/50v.

---------------------------------------------------------------



--
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@snet.net
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd


"Robert McPherson" <rm502@bellsouth.net> wrote in message
news:1fe013f5.0404121244.2e591382@posting.google.com...
Hitachi 46" PTV Model #: 46UX13K DOP: 1994

Herringbone pattern in video (With RCA PPJ Input video or tuner video)

Customer said problem has been existant for about 2 weeks.

Any suggestions or known fixes?

Thanks!

Robert McPherson
McPherson Electronics
Louisville, KY

rm502@bellsouth.net
Click to expand...
 
No problem.....

You can use regular leaded caps to replace those surface mount.....no need
to order "the kit" !


--
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@snet.net
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd


"Robert McPherson" <rm502@bellsouth.net> wrote in message
news:1fe013f5.0404130920.23d4a210@posting.google.com...
Tuesday 4/13/2004:

Jeff:

Thank You very much for your detailed suggestions. This sounds
exactly like what I have in this customers set.

Robert McPherson
Louisville,KY
--------------------------


"Shoreline Electronics" <jstielau@snet.net> wrote in message
news:<FTMec.18$dA2.3@newssvr32.news.prodigy.com>...
---------------------------------------------------------------
Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
---------------------------------------------------------------

HITACHI 46UX13K

Video Has Swirling Lines Running Through Picture

Joe Searles Tv Repair, Virginia Beach, Va 23452

Cure: Replaced Surface Mounted Filters In Both Comb Filter And Pip
Modules.

---------------------------------------------------------------

HITACHI 46UX13K

Video Ringing - 3-LINE COMB FILTER

Alvie Rodgers C.E.T.

SERVICE BULLETIN PTV 95-04
August, 1995
Hitachi Home Electronics (America), Inc.
National Service
MODELS: 46UX7B/K, 46UX10BA, 46UX10BF, 46UX11KA, 46EX2B/K, 46UX11KF,
46UX12B,
46UX13K
50UX7B/K, 50UX8D/W, 50EX2K, 50UX10B, 50UX11K, 50UX14B, 50UX15K,50UX16W
60SX1K, 60SX2K

SUBJECT: THE SERVICE PROCEDURE FOR THE 3-LINE COMB FILTER IN THE AP-13,
14,
AP-23, 24 CHASSIS.

3-LINE COMB FILTER part numbers involved are:
2375231 (HC3020), 2375233 (HC3023), 2375234 (HC3024).

It has become necessary to change the servicing procedure for the 3-Line
Comb Filter in the subject chassis. It will be necessary for the 3-Line
Comb
Filter to be serviced in the field, instead of replaced. If an order
for
the 3-Line Comb Filter is received in parts, a repair KIT will be
substituted. The kit contains known capacitors that are most often
involved
in the failure of the 3-Line Comb Filter. Please replace ALL capacitors
listed, this will assure the most reliable
repair for the 3-Line Comb Filter.

PROCEDURE: To facilitate the repair of the module, UNPLUG the set,
remove
the back of the set, locate the 3-Line Comb Filter directly behind the
vertical stand-up P.W.Bs. Remove the two screws holding the chassis and
pull
the chassis back and stand it up. Secure the chassis in the up right
position, exposing the bottom of the main chassis.

(Signal and Deflection). Unsolder the 3-Line Comb Filter and remove it
from
the set. Then remove both shields. Utilizing the attached component
location
chart, replace all capacitors listed.

REPAIR KIT PART NUMBER IS X480126
Please order this part number and not the 3-Line Comb Filter.

NO. COMPONENT VALUE
1 C 001 10uF
2 C 201 1 uF
3 C 217 1 uF
P/N 2375231 HC3020
P/N 2375233 HC3023
P/N 2375234 HC3024
If replacement of capacitors does not repair the 3-Line Comb Filter,
please
call for Technical Assistance (1-800-393-2369).

Two types of capacitors could be received in the Kit. The 1st type is a
chip
capacitor. The 2nd type is of the Lead type.

---------------------------------------------------------------

HITACHI 46UX13K

Comb Filter Kit Hitachi P/N X480126 Contents:

Linda Denny Rapid Repair

C001 10uf/16v, C201 1uf/50v, C217 1uf/50v.

---------------------------------------------------------------



--
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@snet.net
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd


"Robert McPherson" <rm502@bellsouth.net> wrote in message
news:1fe013f5.0404121244.2e591382@posting.google.com...
Hitachi 46" PTV Model #: 46UX13K DOP: 1994

Herringbone pattern in video (With RCA PPJ Input video or tuner video)

Customer said problem has been existant for about 2 weeks.

Any suggestions or known fixes?

Thanks!

Robert McPherson
McPherson Electronics
Louisville, KY

rm502@bellsouth.net
Click to expand...
 
You must log in or register to reply here.

Welcome to EDABoard.com

Sponsor

Back
Top