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BULVCR97
Service Manual
17 pgs70.58 Kb0

SAMSUNG BULVCR97 Service Manual

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ELECTRONICS
Product : VCR Bulletin No. : 97-VCR-E0001 Model : SEE BELOW Bulletin Date : FEB.26.1997
Buyer : SEG, SESC, TSE, SME, SMD, SEM, SMC ECN # & Date : FEB.19.1997
SUBJECT : SV-10, Quality Improve - No power
¢º
Application Models : SV/SP-10P,11P,12P,10G,11G,12G,10Y,11Y,12Y,10X,11X,12X
Background : No Power
(Symptom)
SERVICE BULLETIN
Solutions :
Application Date : RUNNING CHANGE
Location OLD (before) Parts NEW (changed) Parts
No. SEC Code Description SEC Code Description I.C C647 2202-000811 30P 2202-000162 15P C C648 2202-000811 30P 2202-000162 15P C
Before oscillating XT601, MICOM RESET operates.
Change C647 & C648 from 30P to 15P.
( * I.C : Interchangeability Code Type )
*
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 Code
(* I.C) NEW
Application Reference ( O ) Attachment Schematic Diagram ( )
Product Month : Serial No. (~ from)
Published by : Checked by : Approved by :
Revision (V4 : Feb. 1, 1996) ... Global SVC Team. Technical Information Support Group ( Pages : 1 of 1 )
(Part) (Time) (Part) (Time) (Part) (Time) (Part) (Time) ( ¡¿ ¡æ NEW) (OLD ¡æ ¡¿ )
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Mechanical Diagram ( ) P.C.B ( ) None ( 0 )
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Product : VCR Bulletin No. : 97-VCR-E0002 Model : SV-9000T Bulletin Date : FEB.27.1997
Buyer : SEA ECN # & Date : FEB.25.1997
SUBJECT : SV-9000, Alternative parts - EEPROM
Background : During the production of the above model, two different IC's are
(Symptom) being utilized as shown below.
They are 100% interchangeable. Therefore, two IC's can be used for replacing IC607 on the Syscon Block.
SERVICE BULLETIN
Application Date : RUNNING CHANGE
( * I.C : Interchangeability Code Type )
Location OLD (before) Parts NEW (changed) Parts
No. SEC Code Description SEC Code Description I.C
IC607 AC14-12003J IC;KM93C46 1103-000193 IC-EEPROM;93C46 A
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 Code
(Part) (Time) (Part) (Time) (Part) (Time) (Part) (Time) ( ¡¿ ¡æ NEW) (OLD ¡æ ¡¿ )
*
(* I.C) NEW
Application Reference ( O ) Attachment Schematic Diagram ( )
Product Month : Serial No. (~ from)
Published by : Checked by : Approved by :
Revision (V4 : Feb. 1, 1996) ... Global SVC Team. Technical Information Support Group ( Pages : 1 of 2 )
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Mechanical Diagram ( ) P.C.B ( ) None ( 0 )
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Product : VCR Bulletin No. : 97-VCR-E0003 Model : SV-S200 Bulletin Date : FEB.28.1997
Buyer : SEJ ECN # & Date : FEB.25.1998
SUBJECT : SV-S200, Quality Improve
Background : When a specific tape which has copy guard signal is played back
(Symptom) OSD fluctuate up & down.
SERVICE BULLETIN
Solutions :
Application Date : RUNNING CHANGE
Location OLD (before) Parts NEW (changed) Parts
No. SEC Code Description SEC Code Description I.C C922 2203-001672 C-CERAMIC;5PF 2203-001584 C-CERAMIC;180PF C
As sync level of specific tape is small, OSD SYNC circuit detect the copy guard signal to V-SYNC.
Change C922 from 5PF to 180PF on the OSD Block.
( * I.C : Interchangeability Code Type )
*
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 Code
(* I.C) NEW
Application Reference ( O ) Attachment Schematic Diagram ( )
Product Month : Serial No. (~ from)
Published by : Checked by : Approved by :
Revision (V4 : Feb. 1, 1996) ... Global SVC Team. Technical Information Support Group ( Pages : 1 of 1 )
(Part) (Time) (Part) (Time) (Part) (Time) (Part) (Time) ( ¡¿ ¡æ NEW) (OLD ¡æ ¡¿ )
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Mechanical Diagram ( ) P.C.B ( ) None ( 0 )
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R-METAL;3.1KOHM,1/8W
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SERVICE BULLETINELECTRONICS
Product : VCR Bulletin No. : 97-VCR-E0004 Model : SV-A120U Bulletin Date : MAR.10.1997
Buyer : SEA ECN # & Date : MAR.08.1997
SUBJECT : SV-A120, Quality Improve - Noise bar appeared in search mode
Background : When Search mode is activated,
(Symptom) noise bar may be appeared in low temperature.
Solutions :
Application Date : RUNNING CHANGE
Location OLD (before) Parts NEW (changed) Parts
No. SEC Code Description SEC Code Description I.C
R1S14 2004-000869 R-METAL;3KOHM,1/8W 2004-004084
W403 3811-000389 JUMPER-WIRE 2001-000969 R-CARBON;75OHM C
Owing to the difference between Servo power and Syscon power.
* Change R1S14 from 3 Kohm to 3.1 Kohm. * Change W403 from Jumper-wire to 75 ohm.
( * I.C : Interchangeability Code Type )
*
C
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 Code
(* I.C) NEW
Application Reference ( O ) Attachment Schematic Diagram ( )
Product Month : Serial No. (~ from)
Published by : Checked by : Approved by :
Revision (V4 : Feb. 1, 1996) ... Global SVC Team. Technical Information Support Group ( Pages : 1 of 1 )
(Part) (Time) (Part) (Time) (Part) (Time) (Part) (Time) ( ¡¿ ¡æ NEW) (OLD ¡æ ¡¿ )
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Mechanical Diagram ( ) P.C.B ( ) None ( 0 )
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ELECTRONICS
Product : VCR Bulletin No. : 97-VCR-E0005 Model : SV-A70U/A50U/A21U Bulletin Date : MAR.11.1997
Buyer : SEA ECN # & Date : MAR.08.1997
SUBJECT : SV-A70, Quality Improve - W060 was deleted to improve impulse.
Background : 1) C-AL type was changed to improve the productivity of auto inserting line
(Symptom) as shown below.
.
2) W060 was deleted to improve impulse.
SERVICE BULLETIN
Application Date : RUNNING CHANGE
( * I.C : Interchangeability Code Type )
Location OLD (before) Parts NEW (changed) Parts
No. SEC Code Description SEC Code Description I.C C309 2401-001511 C-AL;47/16,RSS 2401-001507 C-AL;47/16,SRE B C306 2401-001917 C-AL;1/50,RSS 2401-001915 C-AL;1/50,SRE B C329 2401-000907 C-AL;22/16,SA 2401-000918 C-AL;22/16,RSS B
W060 3811-000389 JUMPER-WIRE --- --- F
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 Code
(Part) (Time) (Part) (Time) (Part) (Time) (Part) (Time) ( ¡¿ ¡æ NEW) (OLD ¡æ ¡¿ )
*
(* I.C) NEW
Application Reference ( O ) Attachment Schematic Diagram ( )
Product Month : Serial No. (~ from)
Published by : Checked by : Approved by :
Revision (V4 : Feb. 1, 1996) ... Global SVC Team. Technical Information Support Group ( Pages : 1 of 2 )
NEW Late NEW
Mechanical Diagram ( ) P.C.B ( ) None ( 0 )
NEW
Whole sets ( )
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LEAD CONNECTOR ASSY;
LEAD CONNECTOR ASSY;
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ELECTRONICS
Product : VCR Bulletin No. : 97-VCR-E0006 Model : SV-260X Bulletin Date : MAR.12.1997
Buyer : SEG, AMFO ECN # & Date : MAR.08.1997
SUBJECT : SV-260, Quality Improve - To reinforce shield wire
Background : Lead Connector Ass'y (Loca. No.: CND100) on the Decoder Board
(Symptom) was changed as shown below.
.
To reinforce shield wire.
SERVICE BULLETIN
Application Date : RUNNING CHANGE
( * I.C : Interchangeability Code Type )
Location OLD (before) Parts NEW (changed) Parts
No. SEC Code Description SEC Code Description I.C
CND100 AC39-20811A
1533/2547#26 1533/2547#28
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 Code
(* I.C) NEW
(Part) (Time) (Part) (Time) (Part) (Time) (Part) (Time) ( ¡¿ ¡æ NEW) (OLD ¡æ ¡¿ )
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AC39-20817A
E06
NEW
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B
Application Reference ( O ) Attachment Schematic Diagram ( )
Mechanical Diagram ( ) P.C.B ( ) None ( 0 )
Product Month : Serial No. (~ from)
Published by : Checked by : Approved by :
Revision (V4 : Feb. 1, 1996) ... Global SVC Team. Technical Information Support Group ( Pages : 1 of 1 )
Whole sets ( )
Exploded View ( )
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