Contents
CONTENTS
SERVICE Manual
1. Precautions 2. Operating Instructions
3. Software Upgrade and Installation 4. Troubleshooting
Main
7. PCB Diagrams
Front
COMPONENT SIDE
7-1 Main
Samsung Electronics
CONDUCTOR SIDE
COMPONENT SIDE CONDUCTOR SIDE
7-2 Front
Description Specification
6. Electrical Parts List
Description Specification
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Description Specification
CONNECTOR-HEADERNOWALL,31P,1R,2.5mm,ANG
Samsung Electronics
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Description Specification
Samsung Electronics
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Samsung Electronics
Description Specification
Loc.No
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Description Specification
Loc.No
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Description Specification
Samsung Electronics
6-13
Description Specification
Electrical Parts List
Description Specification
Loc.No
Samsung Electronics
Description Specification
6-15
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Loc.No
Description Specification
Loc.No
MF95-10004G
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Description Specification
Samsung Electronics
6-19
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
Electrical Parts List
Description Specification
Loc.No
Loc.No
Description Specification
Loc.No
SMPSSRV22901EA,P151,AC/DC,-,AC85
Description Specification
Electrical Parts List
Description Specification
Loc.No
Description Specification
5. Exploded View and Parts List
Loc. No
Parts No
Exploded View and Parts List
MEMO
Samsung Electronics
NO POWER LED OFF
4. Troubleshooting
No No No No No No
Data control signal
NO LOCKING
Troubleshooting
Check U1004 Check U72, U71 Check T1001 Check U500
Video signal occur
NO RF-MOD OUTPUT
Troubleshooting
NO SPDIF OUTPUT
R430 is 5V?
Data waveform
Video signal occur at R405, R417
NO S-VIDEO OUTPUT
Troubleshooting
Q400, Q403 base video signal?
No No
NO S/W DOWNLOAD
Troubleshooting
R258, R259 voltage is 8~10V?
Q825 Base signal?
Q826 Base signal?
NO VIDEO TV SCART, RCA
Check Q826
Q821 base signal Check CP825
NO VIDEO OUT VCR
Q821 collector, signal
Troubleshooting
NO AUDIO OUT
MEMO
Troubleshooting
4-10
Samsung Electronics