SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.
CONTENTS SERVICING NOTICES ON CHECKING ...................... A1-1 HOW TO ORDER PARTS ........................... A1-1 IMPORTANT ..............................A1-1 CONTENTS ..............................A2-1 GENERAL SPECIFICATIONS ........................A3-1~A3-5 DISASSEMBLY INSTRUCTIONS 1.REMOVAL OF ANODE CAP ......................B1-1 2.REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ............... B2-1, B2-2 SERVICE MODE LIST ..........................
GENERAL SPECIFICATIONS CRT Size / Visual Size 14 inch / 335.4mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System Speaker 1 Speaker Position Bottom Size 3 Inch Impedance Sound Output 1.0 W 10%(Typical) 0.8 W DDR SECAM NTSC3.58(AV)+NTSC4.43 PAL60Hz Tuning...
GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Character Picture Contrast Brightness Colour Tint (NTSC Only) Sharpness Audio Bass Treble Balance BBE On/Off Stable Sound On/Off CH Tuning Manual Auto CH Allocation Language Clock Set On/OffTimer Set On Timer Set Pin Code Registration Panel Lock Nicam Auto Off...
GENERAL SPECIFICATIONS G-10 Remote Unit RC-FK (CT-835) Control Glow in Dark Remocon Format Custom Code 40-BF h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys Keys Power Volume Up / + Volume Down / - Previous Select Picture Menu...
GENERAL SPECIFICATIONS G-12 Accessories Owner's Manual Language English w/Guarantee Card Remote Control Unit Rod Antenna Poles Pole Terminal type Loop Antenna (W/ Antenna Change Plug) Terminal U/V Mixer DC Car Cord (Center+) Guarantee Card Warning Sheet Circuit Diagram Antenna Change Plug Service Facility List Important Safeguard Yes (Owner's Manual In)
GENERAL SPECIFICATIONS G-16 Carton Master Carton Content ---- Sets Material Dimensions W x D x H(mm) x -- x -- Description of Origin Gift Box Material Double/Brown Dimensions W x D x H(mm) x 408 x 380 Design As per Buyer's Description of Origin Natural Dropping At 1 Corner / 3 Drop Test...
DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 1. REMOVAL OF ANODE CAP remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.
DISASSEMBLY INSTRUCTIONS REMOVAL AND INSTALLATION OF When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using FLAT PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 2-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key for more than 2 seconds. Remocon Key Operations Set Key Reset the user setting items (PICTURE, VOLUME and LANGUAGE) to the initial state VOL.
WHEN REPLACING EEPROM (MEMORY) IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. CD CF Table 1 Enter DATA SET mode by setting VOLUME to minimum.
ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE 2. BASIC ADJUSTMENTS Read and perform these adjustments when repairing the 2-1: CONSTANT VOLTAGE circuits or replacing electrical parts or PCB assemblies. Place the set with Aging Test for more than 5 minutes. CAUTION Connect the digital voltmeter to TP501. Set condition is AV MODE without signal.
ELECTRICAL ADJUSTMENTS 2-6: FOCUS 2-10: BRIGHT CENT Receive an 80dB monoscope pattern. Receive the PAL black pattern*. (RF Input) Turn the Focus Volume fully counterclockwise once. Using the remote control, set the brightness and Adjust the Focus Volume until picture is distinct. contrast to normal position.
ELECTRICAL ADJUSTMENTS 2-13: TINT Receive the NTSC color bar pattern. (Audio Video Input) Using the remote control, set the brightness and contrast to normal position. Connect the oscilloscope to TP023. Activate the adjustment mode display of Fig. 1-1 and press the channel button (20) on the remote control to select "TINT".
ELECTRICAL ADJUSTMENTS PURITY AND CONVERGENCE 3-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator. minutes before performing the following adjustments.
BLOCK DIAGRAM VOL UP AT+5V TU001 MICON IC VOL DOWN IC101 OECF005A SCL SDA Q102 CH UP LED SW ON_TIMER Q103 KEY_IN CH DOWN LED SW D105 P.CON+5V ON TIMER SDA 13 CHROMA AVDD1 IC201 STV2246C V-DRIVE SCL 14 STAND BY AT+5V AVDD2 IC401 TDA8714A...
WAVEFORMS MICON/TUNER 0.2ms 20µs 500µs 1.00V 1.00V 50mV CHROMA/SIF/VIF/21PIN 0.2ms 20µs 1.00V 0.50V 200mV 100ns 20mV 0.5µs 20µs 1.00V 1.00V 20µs 1.00V 20us 0.5µs 0.50V 1.00V 10ms 20us 20µs 1.00V 1.00V 1.00V NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
WAVEFORMS 20µs 20µs 20µs 10.0V 1.00V SOUND AMP 500us 20µs 20µs 100mV 5.00V 5.00V DEFLECTION/CRT 10us 10ms 200mV 1.00V 200V 500us 10ms 20µs 500mV 10.0V 10ms 20µs 10.0V NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.