SHIPPING SETTING & CHECKINGPIF ADJUSTMENT
NO. Adjustment partAdjusting procedure and conditionsWaveform and others
(1)The following default data has been factory-set for the E2PROM.
1Tuner IFT1. Get the tuner ready to receive the E-9 CH
(PRESET)signal, but with no signal input.
ITEMSDATA SETTING*1: Please refer defaults for LANGUAGE
Adjust the PLL data.
LAST PROGRAM/CHANNEL1and SOUND SYSTEM per MODEL as10k1N601000p
2. Connect the sweep generator's output cable
FLASHBACK PROGARM/CH1follows,
to the tuner antenna. (RF SWEEP)
DIGIT2 DIGITOscilloscopeIF OUT
3. Adjust the sweep generator's to 80dB?V.
C-SYSTEMAUTOMODELLANGAUGESOUND SYSTEM100k75ohm
4. Connect the response lead (use LOW IMPED-
S-SYSTEM1*1CHINESED/K
SKIPOFF2CHINESEIANCE probe with wave detector; see Fig.1) to
the tuner's IF output terminal. (This terminalFig. 1
AFCON3ENGLISHB/G
VOLUME14ARABICB/Gmust have the probe alone connected).E-9 CH
CONTRAST60 (MAX)5RUSSIAND/K5. Set the RF AGC to 0 - 6 V with no saturation
COLOUR0 (CENTER)6MALAYB/Gwith the waveform.
BRIGHTNESS0 (CENTER)7FRENCHD/K6. Adjust the tuner IF coil to obtain the waveformP C
TINT0 (CENTER)8ENGLISHB/Gas shown in Fig. 2.-1.5+/-0.8dB
SHARPNESS0 (CENTER)9THAIB/G
WHITE TEMPSTANDARDNote:Be sure to keep the tuner cover inFig. 2
REMINDER TIMERIn-active, "--:--"position during this adjustment.
ON TIMERIn-active, "--:--"
OFF TIMERIn-active, "--:--"
LAST POWERPOWER-ON
LANGUAGE1*
BLUE BACK MUTEON
HOTEL MODEOFF
0 CHANNEL SKIPON2RF-AGC1. Receive the PAL colour bar signal.Note:
LAST TV/AVTVTAKE OVER? Signal Strength: 57 ?1 dB?V (75 ohm open)For the 50 ohm signal strength
POINT2. Connect the oscilloscope to TP201 (TOsgauge, when not using 50/75uner
7BASS/TRE/BALCENT
SURROUNDOFFADJUSTMENTAGC Terminal) as shown in Fig. 3.impedance adapter, signal
SURROUND LEVELCENT(I2C BUSstrength is 54 ?1 dB?V(75 ohm
CONTROL)Oscilloscopeopen), instead of 57 ?1 dB?V
After pressing "MODEL SETTING", 0 Channel will be skipped.+TP201(75 ohm open).
0.1V
Precaution:
�
The loss of using impedance
Bias boxTV Setadapter
+
FACTORY SETTING BY MODEL�
? Bias box: About 4.5 V
(Reference: Geomagnetism Adjustment)
Fig. 3
ModelMagneic field (V, H) nTBackgroundLANG.S-SYSLANG QTY3. Call the "AG" mode in service mode. Adjust
B20,00040,00012,300!KCHINESEI*(1)the "AG" bus data to obtain the Tuner output
pin drop 0.1 V below maximum voltage.
C (Singapore)-10,00040,00012,300!KENGLISHB/G*(1)
4. Change the antenna input signal to
F-10,00040,00012,300!KENGLISHB/G*(5)
63~67dB?V, and make sure there is no noise.
G30,00020,00018,000!KARABICB/G*(5)5. Turn up the input signal to 90~95 dB?V to be
sure that there is no cross modulation beat.
*Note for OSD type
(1): English/Chinese/Malay
(2): English/French/Arabic/Russian
(3): English/Chinese/French/Arabic/Malay
(4): English/Russian
(5): English/Chinese/French/Arabic/Malay/Russian
21B-S10
7-17-2 |