SAMSUNG BUL_CTV Service Manual

OLD (before) Parts

Component Lay-out ( )

ELECTRONICS

Product : Color TV Bulletin No. : 97-CTV-E0003

Model : CS6202Z, CS-7202ZB Bulletin Date : Jan. 6, 1997

Buyer : TSE, SAVINA, SGE Subject : SCT12B Chassis, L401 (Modulation Coil) changes

Background : It is happened the 'Modulation Coil Stress Over' phenomenon on

(Symptom) SCT12B chas using with SED(Samsung Electron Devices Co.) CPT.

while R&D dept. has gotten self-reliability test.

Solution : In case the values of electric current are high on L401(30 mH)

Modulation Coil, it is stressed over.

Solution : Modulation Coil circuit changes.

SERVICE BULLETIN

Application Date : Dec. 19, 1996

( * I.C : Interchangeability Code Type )

Location

No. SEC Code Description SEC Code Description I.C L401 AA27-10003A Coil 30 mH AA27-40003F Coil 3 mH D R423 2003-001091 RM 2W 10 2008-000290 RF 2W 2.4 D R424 2003-001091 RM 2W 10 2008-000290 RF 2W 2.4 D

Type A type B type C type D type E type F type

Interchange- OLD Early OLD Early OLD Early OLD Early Part Addition Part deletion

ability Status

(* I.C) NEW Late NEW Late NEW Late NEW Late

Application Reference ( O ) Only Defected sets ( ) Whole sets ( )

Attachment Schematic Diagram ( )

(Part) (Time) (Part) (Time) (Part) (Time) (Part) (Time) ( ¡¿ ¡æ NEW) (OLD ¡æ ¡¿ )

NEW (changed) Parts *

Exploded View ( )

Product Month Dec. 1996 Serial No.

Published by S. K. Yang Checked by Approved by J. G. Lee

Revision (V4 : Feb. 1, 1996) ... Global Strategy Group, Technical Information Support Part ( Pages : 1 of 1 )

Mechanical Diagram ( ) None ( O ) Others ( )

ELECTRONICS

Product : TV Bulletin No. : 97-CTV-E0033

Model : CS3399Z, CS5099Z, CS5399K Bulletin Date : Sep. 2, 1997

Buyer : SAVINA ECN Date : Aug. 20, 1997

SUBJECT : CS-3399, 'SCT12A Chassis, Block Condenser changes

Background : The Block Condenser defective has been found out on SCT12A chassis in Vietnam.

(Symptom)

Cause : Electricity (Power) fluctuation in Vietnam is unstable.

The 'Block Condenser' has been designed for 400 Volts(DC). In case that 'Peak to peak' electricity over than 400 Volts(DC) have supplied to 'Block

Condenser' , the 'Block Condenser' would be damaged.

Solution : The specification of Block Condenser has been modified from 'DC 400V' to 'DC 450V'

SERVICE BULLETIN

as belows:

Application Date : Aug. 20, 1997

( Interchangeability Code : * I.C )

Location OLD (before) Parts (SCV11B & C) NEW (changed) Parts (SCV11D) *

No. SEC Code Description SEC Code Description I.C

C806 - C-AL: 330uF 400V 2401 - 002227 C-AL: 330uF 450V D

Type A type B type C type D type E type F type Interchange OLD Early OLD Early OLD Early OLD Early Parts Addition Parts deletion Type Code

(* I.C ) NEW Late NEW Late NEW Late NEW Late

Application Reference ( O ) Only Defected sets ( ) Whole sets ( )

(Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (None ¡æ New) ( Old ¡æ Del. )

Attachment Schematic Diagram ( ) Component Lay-out ( ) Exploded View ( )

Mechanical Diagram ( ) None ( O ) Others ( )

Product Month : Serial No. (~ from)

Published by S.K. Yang Approved by Mr. J.G. Lee

Revision (V8 : July 24, 1997) ... Global Strategy Group. Tech.-Info. Suppot Part ( Pages : 1 of 1 )

ELECTRONICS

Product : TV Bulletin No. : 97-CTV-E0034

Model : CS6202Z, CS7202ZB Bulletin Date : Sep. 2, 1997

Buyer : SAVINA ECN Date : Aug. 20, 1997

SUBJECT : CS-6202, 'SCT12B Chassis, Block Condenser changes

Background : The Block Condenser defective has been found out on SCT12B chassis in Vietnam.

(Symptom)

Cause : Electricity (Power) fluctuation in Vietnam is unstable.

The 'Block Condenser' has been designed for 400 Volts(DC). In case that 'Peak to peak' electricity over than 400 Volts(DC) have supplied to 'Block

Condenser' , the 'Block Condenser' would be damaged.

Solution : The specification of Block Condenser has been modified from 'DC 400V' to 'DC 450V'

SERVICE BULLETIN

as belows:

Application Date : Aug. 20, 1997

( Interchangeability Code : * I.C )

Location OLD (before) Parts (SCV11B & C) NEW (changed) Parts (SCV11D) *

No. SEC Code Description SEC Code Description I.C

C806 2401 - 001426 C-AL: 470uF 400V 2401 - 003031 C-AL: 470uF 450V D

Type A type B type C type D type E type F type Interchange OLD Early OLD Early OLD Early OLD Early Parts Addition Parts deletion Type Code

(* I.C ) NEW Late NEW Late NEW Late NEW Late

(Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (None ¡æ New) ( Old ¡æ Del. )

Application Reference ( O ) Only Defected sets ( ) Whole sets ( ) Attachment Schematic Diagram ( ) Component Lay-out ( ) Exploded View ( )

Mechanical Diagram ( ) None ( O ) Others ( )

Product Month : Serial No. (~ from)

Published by S.K. Yang Approved by Mr. J.G. Lee

Revision (V8 : July 24, 1997) ... Global Strategy Group. Tech.-Info. Suppot Part ( Pages : 1 of 1 )

IC-MCU; Z8933212PSC

ELECTRONICS

Product : TV Bulletin No. : 97-CTV-E0036

Model : CN7202 Bulletin Date : Sep. 2, 1997

Buyer : SEASA, SEDA ECN Date : Jul. 13, 1997

SUBJECT : CN7202, Countermeasure of sound noise

Background : It is occurred sound noise like frequency oscillation from 'F.B.T.' intermittently.

(Symptom)

Cause : Micom software is programmed the 'Vertical mode' running 54Hz to 64.5Hz

'Search mode'. When 'Horizontal & Vertical frequency' free run continuosly, sound noise can be occurred.

Solution : Micom software program has been modified as belows:

SERVICE BULLETIN

Application Date : Jul. 13, 1997

( Interchangeability Code : * I.C )

Location OLD (before) Parts (SCV11B & C) NEW (changed) Parts (SCV11D) *

No. SEC Code Description SEC Code Description I.C

IC901 AA13 - 30013W

(R3028) (R3085)

R930 2001 - 000577 R-C; 1/8W 2K 2001 - 000958 R-C; 1/8W 750 D

Type A type B type C type D type E type F type Interchange OLD Early OLD Early OLD Early OLD Early Parts Addition Parts deletion Type Code

(* I.C ) NEW Late NEW Late NEW Late NEW Late

Application Reference ( O ) Only Defected sets ( ) Whole sets ( ) Attachment Schematic Diagram ( ) Component Lay-out ( ) Exploded View ( )

(Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (None ¡æ New) ( Old ¡æ Del. )

AA13 - 30014U

Mechanical Diagram ( ) None ( O ) Others ( )

Product Month : Serial No. (~ from)

Published by S.K. Yang Approved by Mr. J.G. Lee

Revision (V8 : July 24, 1997) ... Global Strategy Group. Tech.-Info. Suppot Part ( Pages : 1 of 1 )

Approved by

ELECTRONICS

Product : TV Bulletin No. : 97-CTV-E0046

Model : CK6202WB, CK7202WB Bulletin Date : Nov. 19, 1997

Buyer : ANA (Romania) ECN Date : Nov. 14, 1997

SUBJECT : CK-6202, SCT12B Chassis, differential parts list by Micom type

Background : Circuit has been changed by Micom IC type for SCT12B chassis.

(Symptom)

Cause : Due to changing Micom IC type.

Solution : Micom IC has been changed from 'AF-version' to 'OTP' type.

The 'OTP' type Micom IC has beeb marked on the label as follows:

SERVICE BULLETIN

- Spec. : SZM159RTX -. Date : as of November 18, 1997

Application Date : Nov. 18, 1997

( Interchangeability Code : * I.C )

Location OLD (before) Parts (AF version) NEW (changed) Parts (OTP type) *

No. SEC Code Description SEC Code Description I.C

IC901 u-com 'AF Version' SZM159RTX u-com 'OTP type' SZM159RTX D

R934 2001-000786 1/8W 47K-J 2001-000563 1/8W 27K-J D C912 2201-000257 CH 50V 16pF 2201-000651 CH 50V 68pF D

Type A type B type C type D type E type F type Interchange OLD Early OLD Early OLD Early OLD Early Parts Addition Parts deletion Type Code

(* I.C ) NEW Late NEW Late NEW Late NEW Late

(Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (None ¡æ New) ( Old ¡æ Del. )

Application Reference ( O ) Only Defected sets ( ) Whole sets ( ) Attachment Schematic Diagram ( ) Component Lay-out ( ) Exploded View ( )

Mechanical Diagram ( ) None ( ) Others ( O )

Product Month : November 1997 Serial No. (~ from)

Published by S.K. Yang

Revision (V8.1 : July 30, 1997) ... Global Strategy Group. Tech.-Info. Suppot Part ( Pages : 1 of 2 )

Mr. J.G. Lee

Early

ELECTRONICS

¡á Parts Change Information * Bulletin No: 97-CTV-E0046

¢ÁModel : ( Interchangeability Code : * I.C )

Location OLD (before) Parts NEW (changed) Parts *

No. SEC Code Description SEC Code Description I.C C913 2201-000183 CH 50V 33pF 2201-000600 SL 50V 560pF D R922 2001-000605 1/8W 3.6K-J 2001-000800 1/8W 5.1K-J D R923 2001-000232 1/8W 1.3K-J 2001-000252 1/8W 1.6K-J D

J271 30506-410-216 Jumper Delete Delete F

J275 30506-410-216 Jumper Delete Delete F D817 0403-000296 MTZ 5.6B Delete Delete F D818 0403-000296 MTZ 5.6B Delete Delete F

SERVICE BULLETIN

Type A type B type C type D type E type F type

Interchange Type Code

(* I.C )

Revision (V8.1 : July 30, 1997) ... Global Strategy Group. Tech.-Info. Suppot Part ( Pages : 2 of 2 )

OLD Early OLD (Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (None ¡æ NEW) ( OLD ¡æ Del. ) NEW Late NEW Late NEW Late NEW Late

OLD

OLD Early Parts Addition Parts deletion

Approved by

ELECTRONICS

Product : TV Bulletin No. : 97-CTV-E0047

Model : CK6202WB, CK7202WB Bulletin Date : Nov. 19, 1997 Buyer : ANA (Romania) ECN Date : Nov. 14, 1997

SUBJECT : CK-6202, SCT12B Chassis, differential parts list by Micom type

Background : Circuit has been changed by Micom IC type for SCT12B chassis.

(Symptom)

Cause : Due to changing Micom IC type.

Solution : Micom IC has been changed from 'CC-version' to 'OTP' type.

The 'OTP' type Micom IC has beeb marked on the label as follows:

- Spec. : SZM159RTX -. Date : as of November 18, 1997

SERVICE BULLETIN

Application Date : Nov. 18, 1997

( Interchangeability Code : * I.C )

Location OLD (before) Parts (CC version) NEW (changed) Parts (OTP type) *

No. SEC Code Description SEC Code Description I.C

IC901 u-com 'CC Version' SZM159RTX(R2656) u-com 'OTP type' SZM159RTX D

R934 2004-001201 1/8W 68K-J 2001-000563 1/8W 27K-J D

C912 2201-000193 CH 50V 10pF 2201-000651 CH 50V 68pF D

C913 2201-000573 CH 50V 47pF 2201-000600 SL 50V 560pF D

R922 2001-000449 1/8W 2.2K-J 2001-000800 1/8W 5.1K-J D

Type A type B type C type D type E type F type Interchange OLD Early OLD Early OLD Early OLD Early Parts Addition Parts deletion Type Code

(* I.C ) NEW Late NEW Late NEW Late NEW Late

Application Reference ( O ) Only Defected sets ( ) Whole sets ( )

(Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (Parts) (Prod.) (None ¡æ New) ( Old ¡æ Del. )

Attachment Schematic Diagram ( ) Component Lay-out ( ) Exploded View ( )

Mechanical Diagram ( ) None ( ) Others ( O )

Product Month : November 1997 Serial No. (~ from)

Published by S.K. Yang

Revision (V8.1 : July 24, 1997) ... Global Strategy Group. Tech.-Info. Suppot Part ( Pages : 1 of 2 )

Mr. J.G. Lee

+ 14 hidden pages