SUBJECT: “SMPS” power supply tech tips and voltage/waveforms

SERVICE BULLETIN
SAMSUNG ELECTRONICS AMERICA, INC
PRODUCT: CTV
BULLETIN: CTV01-002
MODEL:
MODELS SPECIFIED ON LIST
BELOW
Subject: Option byte table
Background: Info missing in service manual.
Countermeasure: Use table below for option byte settings
System will always be set on (CT EN/SP/FR)
ACS, Audio Mute, X-Ray and V-Chip will always be set on (on)
Video Mute, Game Demo, LNA, Blue, Auto Power and Hotel will always be set on (off)
Model
Option Bytes
Sound
CRT
AV Mode
Tilt
PIP
CFT2790
01h 45h 90h 09h
st
4:03
2RCA+S+D
on
off
CM32010
01h 01h 88h 09h
st
4:03
2RCA+S
off
off
CM32020S
01h 01h 88h 09h
st
4:03
2RCA+S
off
off
CM36020S
04h 01h 92h 09h
vd
4:03
2RCA+S+D
off
2 tuner
SAM2540
01h 01h 80h 09h
st
4:03
1RCA
off
off
SAM2740
01h 01h 80 09h
st
4:03
1RCA
off
off
TXK2060
02h 01h 84h 09h
line
4:03
2RCA
off
off
TXK2066
01h 01h 84h 09h
St
4:03
2RCA
off
off
TXK2067
01h 01h 84h 09h
St
4:03
2RCA
off
off
TXK2554
01h 01h 84h 09h
st
4:03
2RCA
off
off
TXK2566
01h 01h 84h 09h
st
4:03
2RCA
off
off
TXK2567
01h 01h 88h 09h
st
4:03
2RCA+S
off
off
TXK2754
01h 01h 84h 09h
st
4:03
2RCA
off
off
TXK2767
01h 01h 88h 09h
st
4:03
2RCA+S
off
off
TXK2768
01h 01h 91h 09h
st
4:03
2RCA+S+D
off
1 tuner
TXK2890
21h 01h 88h 09h
st
12:8:9
2RCA+S
off
off
TXK3279
04h 01h 92h 09h
vd
4:03
2RCA+S+D
off
2 tuner
TXK3679
04h 01h 92h 09h
vd
4:03
2RCA+S+D
off
2 tuner
TXL2091F
01h 41h 90h 09h
st
4:03
2RCA+S+D
off
off
TXL2791F
01h 45h 90h 09h
st
4:03
2RCA+S+D
on
off
TXL3276
01h 01h 90h 09h
st
4:03
2RCA+S+D
off
off
TXL3676
01h 01h 90h 09h
st
4:03
2RCA+S+D
off
off
AKB
on
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
on
on
off
off
Disclaimer: This information is provided “as is” without warranty of any kind
either expressed or implied, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose.
REV 1-1