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MT2206 Series A SERVICE MANUAL COLOR TELEVISION RECEIVER ORIGINAL MFR'S VERSION A Design and specifications are subject to change without notice.
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~A3-4 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 G - 1 CRT Size / Visual Size 20 inch / 480.0mmV S ystem CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2Speaker Position Front Size 2 x 4.7 Inch Impedance Sound Output 2.5+2.5 W 10%(Typical) 2.0+2.0 W...
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GENERAL SPECIFICATIONS Channel(TV/Cable) CH Label Sleep Timer Sound Mute V-chip Rating G - 8 OSD Language English French Spanish G - 9 Clock and Sleep Timer Max Time 120 Min Timer Step On/Off Timer Program(On Timer / Off Timer) Wake Up Timer Timer Back-up (at Power Off Mode) more than G - 1 0...
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GENERAL SPECIFICATIONS Channel Lock Just Clock Function Game Position CH Label VM Circuit Full OSD Premiere Comb Filter Lines Auto CH Memory Hotel Lock Closed Caption Stable Sound Surround Energy Star Power On Memory Favorite CH G - 1 2 Accessories Owner's Manual Language...
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GENERAL SPECIFICATIONS G - 1 4 Size Approx. W x D x H (mm) 590 x 492 x 447 G - 1 5 W eig ht Net (Approx.) 21.0kg ( 46.3 lbs) Gross (Approx.) 23.8kg ( 52.5lbs) G - 1 6 C arton Master Carton Content...
DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to 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...
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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 1 second. Set Key Remocon Key Operations VOL.
ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS 2-1: CUT OFF Read and perform these adjustments when repairing the Adjust the unit to the following settings. circuits or replacing electrical parts or PCB assemblies. R.DRIVE=64, B.DRIVE=64, R.BIAS=64, G.BIAS=64, CAUTION B.BIAS=64, BRI CENT=110, CONT MAX=90.
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ELECTRICAL ADJUSTMENTS 2-8: VERTICAL LINEARITY NOTE: Adjust after performing adjustments in section 2-7. After the adjustment of Vertical Linearity, reconfirm the Vertical Position and Vertical Size adjustments. Receive the monoscope pattern. Using the remote control, set the brightness and contrast to normal position.
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ELECTRICAL ADJUSTMENTS Method (2) Set the multi-sound signal generator L-ch=1KHz, R-ch =Non input and receive the RF. Connect the oscilloscope to the pin 7 of CP601. Activate the adjustment mode display of Fig. 1-1 and press the channel button (26) on the remote control to select "SEP 1".
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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 CH. DOWN MICON/CHROM IC VOL. DOWN IC101 OEC7091A CH. UP RGB Proc.2 VOL. UP Q804 OSD SW CONTRAST BRIGHTNESS RED AMP RGB OUTPUT Stage POWER Chroma DRIVE Proc. Q805 CUT OFF ACC/C-BPF OS101 HV BLK GREEN AMP RGB Proc.1 APC/KILLER RGB MATRIX TINT/DEMO...
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AV SCHEMATIC DIAGRAM (MAIN PCB) VIDEO_3_IN VIDEO IN(FRONT) J710 MSP-281V4-A AUDIO_L IN(FRONT) C701 J711 R734 L3_IN MSP-281V1-A AUDIO_R IN(FRONT) C702 J712 R733 R3_IN MSP-281V3-A D704 MTZJ6.8B TO SOUND FRONT_AUDIO_L FRONT_AUDIO_R FROM/TO TV POWER TO MICON/CHROMA/TUNER W860 VIDEO_IN FROM/TO COMB/FILTER PCB010 TMC563 AUDIO SIGNAL NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED...
WAVEFORMS SOUND 25 0.5V 1ms/div 0.5V 1ms/div 26 200mV 1ms/div 0.5V 1ms/div 200mV 1ms/div 28 200mV 1ms/div 31 200mV 1ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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POWER SCHEMATIC DIAGRAM (MAIN PCB) TO CHROMA 6.3A 125V UNREG+12V CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 6.3A 125V(F501) ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE 6.3A 125V(F501) TO DEFLECTION/CRT D518...
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JACK/SOUND SCHEMATIC DIAGRAM (MAIN PCB) FRONT_A/V_IN(STEREO) J702 JPJ1187-010010 CD701 CU243501 C702 R733 A_IN_R C701 A_IN_L R734 V_IN CP701A CP701B B2013H02-4P A2001WV2-4P TO SOUND FRONT_AUDIO_L FRONT_AUDIO_R PCB250 TEBA98 W863 TO CHROMA VIDEO_IN PCB010 TMB541 AUDIO SIGNAL NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME TUNER VIDEO SIGNAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST...
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WAVEFORMS MICON/TUNER 12 1V 20µs/div 200mV 20µs/div 1 1V 0.1µs/div 1V 20µs/div 20V 20µs/div 0.5V 20µs/div DEFLECTION/CRT 3 200mV 20µs/div 14 0.5V 5ms/div 9 200mV 20µs/div 200mV 5ms/div 15 20V 20µs/div 0.5V 5ms/div CHROMA 11 1V 20µs/div 6 0.5V 20µs/div 16 2V 20µs/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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WAVEFORMS 22 50V 20µs/div 200V 20µs/div 0.5V 1ms/div SOUND 10V 5ms/div 25 0.5V 1ms/div 26 200mV 1ms/div 10V 5ms/div 50V 20µs/div 200mV 1ms/div 21 50V 20µs/div 0.5V 1ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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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~A3-4 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 G - 1 CRT Size / Visual Size 20 inch / 508.0mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2Speaker Position Front Size 2 x 4.7 Inch Impedance Sound Output 2.5+2.5 W 10%(Typical) 2.0+2.0 W NTSC3.58+4.43 /PAL60Hz...
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GENERAL SPECIFICATIONS CH Label Sleep Timer Sound Mute V-chip Rating G - 8 OSD Language English French Spanish OSD Language Setting English G - 9 Clock and Sleep Timer Max Time 120 Min Timer Step On/Off Timer Program(On Tim / Off Tim) Wake Up Timer Timer Back-up (at Power Off Mode) more than...
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GENERAL SPECIFICATIONS Just Clock Function Game Position CH Label VM Circuit Full OSD Premiere Comb Filter Lines Auto CH Memory Hotel Lock Closed Caption Stable Sound Energy Star Favorite CH G - 1 2 Accessories Owner's Manual Language English /French w/Guarantee Card Remote Control Unit Rod Antenna...
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GENERAL SPECIFICATIONS G - 1 6 Ca rton Master Carton Content ---- Sets Material Dimensions W x D x H(mm) x -- x -- Description of Origin Gift Box Material Double /White Dimensions W x D x H(mm) x 575 x 529 Design As per Buyer's...
DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to 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...
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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 1 second. Set Key Remocon Key Operations Releasing of V-CHIP PASSWORD.
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. Table 1 Enter DATA SET mode by setting VOLUME to minimum.
ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS 2-1: RF AGC Read and perform these adjustments when repairing the Place the set with Aging Test for more than 15 minutes. circuits or replacing electrical parts or PCB assemblies. Receive an 63dB monoscope pattern. Connect the digital voltmeter to the W062.
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ELECTRICAL ADJUSTMENTS 2-6: SUB TINT/SUB COLOR 2-8: VERTICAL SIZE NOTE: Adjust after performing adjustments in section 2-8. Receive the color bar pattern. Connect the oscilloscope to TP024. Receive the monoscope pattern. Activate the adjustment mode display of Fig. 1-1 and Using the adjustment control, set the brightness and press the channel button (22) on the remote control to contrast to normal position.
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ELECTRICAL ADJUSTMENTS 2-12: SEPARATION 1, 2 Please do the method (1) or method (2) adjustment. Method (1) Set the multi-sound signal generator for each different L-ch and R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz) and receive the RF. Connect the oscilloscope to the pin 6 and pin 7 of CP601. Activate the adjustment mode display of Fig.
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ELECTRICAL ADJUSTMENTS 3-3: STATIC CONVERGENCE PURITY AND 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.