Samsung LA37C630 Series Service Manual page 75

4. Troubleshooting
Item
Hotel
Option
HOTEEL MODE
POWER ON CHANNEL
POWER ON BAND
POWER ON VOLUME
MAX VOLUME
PANEL BUTTOM LOCK
POWER ON SOURCE
Item
Shop
Option
Shop Mode
USB DEMO ON(SEC)
USB DEMO OFF(SEC)
SVC
„
Item
SVC
Test Pattern
Panel Auto Setting
Panel Display Time 261Hr
Logic Usb D/L
Tuner Status
Expert
„
Item
Expert
N/D ADJ
Source
ADC/WB
„
Item
ADC/WB
ADC
ADC Target
ADC Result
WB
4-18
Range
OFF
3
AIR
10
100
ON
TV
Range
OFF
OFF
OFF
Range
Pattern Sel : off, White, Grey, Balck, Red, Green, Blue
RRC PC Mode : On/Off
Logic Pattern Sel
Logic Level Sel
off
DVB
(SNR 31, BER 0, Singal Strength 91, Bandwidth 8MHz, Frequency 482000kHz
LNA Status On, FFT 2K, Modulation 16QAM, Code Rate 7/8, GI 1/8
Hair Modulation NONE, Frequency Offset 19000.00Hz, Timing Offset -11.00ppm
AGC 79, UCB 0, PLL Type SEMCO121B, DEMOD Type DRX39xyK, TPS Lock LOCK
RSLOCK Lock, SSI 91, SQI 100)
ISDB-T
(FFT Size_1, Guard Interval_1, Freq.Offset_1, SNR_1, IF AGC_1, TMCC Lock_1
TS Packet_1, Master Lock_1, A_Modulation_1, A_Code Rate_1, A_Timer InterLeave_1
A_Segments Num_1, A_BER_1, B_Modulation_1, B_Code Rate_1, B_Timer InterLeave_1
B_Segments Num_1, B_BER_1, C_Modulation_1, C_Code Rate_1, C_Timer InterLeave_1
C_Segments Num_1, C_BER_1)
Range
...
...
Range
AV CAL : SUCCESS,COMP CAL : INITIAL , PC CAL : FAIL
Each MODE LOW,HIGH Delta(same as 09`)
Each MODE Calibration result value (same as 09`)
8(Dynamic)+4(Movie)
Use
Use
Use
Test for input
Scaler.
If you can
see pattern
well, there is a
problem at input
of Scaler
Use
Use