29B-S10S/G
SHIPPING SETTING AND CHECKINGSERVICE ADJUSTMENT
2
(1) The following default data has been factorPRy-set fOM.or the EPIF ADJUSTMENT CHECKING
ITEMSDATA SETTINGNo. Adjustment pointAdjustment Condition / ProcedureWaveform or others
FACTORYSET 1FACTORYSET 2FACTORYSET 3FACTORYSET 41Tuner IFT1. Get the tuner ready to receive the CH. E-1010k1n601000p
R/C28(H)A8(H)E8(H)E9(H)(PRESET)signal, but with no signal input.
S-SYSTEMALL CH D/KALL CHIALL CH B/GALL CH B/GTU200Adjust the PLL data.OscilloscopeIF OUT
LANGUAGECHINESECHINESEENGLISHARABIC2. Connect the sweep generOs output cabatorle100k75ohm
SELECT
to the tuner antenna. (RF SWEEP)
3. Adjust the sweep generOs to 80dB?Vator.
ITEMSDATA SETTING
4. Connect the response lead (use LOWFig. 1
FACTORYSET 5FACTORYSET 6FACTORYSET 7FACTORYSET 8
IMPEDANCE probe with wave detector ; see
R/CEA(H)EB(H)EC(H)ED(H)
Fig.1) to the tunerOs IF output terminal. (ThisE-9 CH
S-SYSTEMALL CH D/KALL CH B/GALL CH D/K#(MCL)
terminal must have the probe alone
LANGUAGERUSSIANMALAYFRENCHENGLISH
connected).
SELECTP C
5. Set the RF AGC to 0 - 6 V with no saturation
# FACTORY-SET 8 OPERATE MCL2
with the waveform.-1.5+/-0.8dB
ITEMDATA SETTINGITEMDATA SETTING6. Adjust the tuner IF coil to obtain the waveform
LAST POWERONVMOFFas shown in Fig. 2.Fig. 2
LAST TV/AV MODETVTEXT1Note: Be sure to keep the tuner cover in position
LAST CHCH1LNAOFFduring this adjustment.
FLASH BACKCH1ON TIMERIN ACTIVE
FAVORITE CH1CH10ON TIMER CHIN ACTIVE2RF-AGC1. Receive the PAL Colour bar signal.Note:
FAVORITE CH2CH20ON TIMER VOLUMEIN ACTIVETAKE OVERSignal Strength: 54 ? 1 db?V (75& open)For the 50& signal strength
FAVORITE CH3CH30REMINDERIN ACTIVEPOINT2. Connect the oscilloscope to TP201 (TOsgaugeuner, when not using 50/75
FAVORITE CH4CH40AFTALL CH ONADJUSTMENTAGC Terminal) as shown in Fig. 3.impedance adapter, signal
1 DIGIT/2 DIGIT2 DIGITCOLOUR SYSTEMALL CH AUTO(I2C BUSstrength is 52 ? 1 dB?V (75&+Oscilloscope
VOLUME0SKIPALL CH OFFCONTROL)open), instead of 54 ? 1 dB?V
H/P-VOLUME0NICAM ON/OFFALL CH ONTP201(75& open).0.1V
�
8ROTATION0SICAM STEREO MODEALL CH STEREOPrecaution:
The loss of using impedance
SAVEOFFNICAM BILINGUAL MODEALL CH M1+
BIAS Boxadapter.
AV MODE2NICAM MONO MODEALL CH MONO
TV SET
BALANCE0IGR ON/OFFALL CH ON�
BLUE BACKOFFIGR STEREO MODEALL CH STEREOBias Box : about 4.5V
AUTO SELECTONIGR BILINGUAL MODEALL CH MAINFig. 3
MODE1233. Call "AG" mode in service mode. Adjust the
SOFTSTANDARDDYNAMIC"AG" bus data to obtain the Tuner output pin
CONTRAST###drop 0.1 ~ 1.0 V below maximum voltage.
4. Change the antenna input signal to 63 ~
COLOUR###
BRIGHT00067 dB?V, and make sure there is no noise.
5. Turn up the input signal to 90 ~ 95 dB?V to be
TINT000
sure that there is no cross modulation beat.
SHARPNESS###
PEICTURE NROFFOFFOFF
WHITE TEMP0003PIF VCO COIL1. Do not receive any signal.DC voltage at TP803
SHAKITOFFOFFOFFADJUSTMENT2. Connect the digital voltmeter to TP803 (pin (54)5V
BASS +###of IC800) in the main unit.
SOR/SPAOFFOFFOFF3. Call the "PIF VCO" Mode at the service mode.
LEVEL0004. Verify that it is turned countercloc2.5Vkwise to 0V
BASS#0#and adjust T800 to make DC voltage of TP803
TREBLE#0#become 2.5 ? 0.1 V in the range.
# SERVICE MODE DATADownABOBB"CUP
ModelMagnetic Field (V.H) nTBackgroundLang.S-SYSAdjust T800 to B point, between B'
B20,00040,00012,300!KCHINESEI
and B".
C (Singapore)-10,00040,00012,300!KENGLISHB/G
* Turn the coil counterclockwise for
F-10,00040,00012,300!KENGLISHB/Gthe up direction and clockwise for
G30,00020,00012,300!KARABICB/Gthe down direction.
Australia-50,00020,00012,300!KENGLISHB/G
8-18-2 |
ACEC
SHARP
