Related Manuals for Memorex MT1196ASM
Summary of Contents for Memorex MT1196ASM
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Page 1: Service Manual
MT1196A SERVICE MANUAL COLOR TELEVISION RECEIVER ORIGINAL MFR’S VERSION D Design and specifications are subject to change without notice. -
Page 2: Servicing Notices On Checking
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. -
Page 3: Table Of Contents
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 ....................... SERVICE MODE LIST ..........................CONFIRMATION OF USING HOURS ......................NOTE FOR THE REPLACING OF MEMORY IC ..................ELECTRICAL ADJUSTMENTS ........................ -
Page 4: General Specifications
GENERAL SPECIFICATIONS G-1.Outline of the Product 19 inch(480.0mmV):Measured diagonally Color CRT 90 degree deflection G-2.Broadcasting System System G-3.Color System NTSC SECAM or Monochrome signal G-4.NTSC Playback(PAL 60Hz) G-5.NTSC 3.58+4.43/PAL60Hz G-6.Antenna Input Impedance VHF/UHF 75 ohm unbalanced G-7.Tuner and Receiving Channel Tuner : Contactless Electric Tuner Oscar(W/O HYPER) Oscar(W/ HYPER) - Page 5 GENERAL SPECIFICATIONS G-19.Temperature Operation ˚C ~ 40 ˚C Storage ˚C ~ 60 ˚C G-20.Operating Humidity Less than G-21.Clock and Timer Sleep Timer Yes Max 120 Min.( 10 Min. Step) On/Off Timer Programs Wake Up Timer Programs G-22.Timer back up Time: More than -- Minutes (at Power Off Mode) G-23.Terminals...
- Page 6 GENERAL SPECIFICATIONS G-29.Carton Master Carton: Need No Need Content: ---- Material: ---- / ---- Corrugated Carton Dimensions: ---- mm(L) ---- mm(W) ---- mm(D) Description of Origin Gift Box Material Double/Brown Corrugated Carton ( with Photo Label) Double/White Corrugated Carton ( with Photo Label) Double Full Color Carton W/Photo Dimensions:...
- Page 7 GENERAL SPECIFICATIONS G-34.Remote Control Unit: RC-74 Glow in Dark Remocon Power Source: Battery UM - 4 x 2 Total 26 Key Power Quick View TV/AV Stand By Status Bar Select Time Select PAL/SECAM Time Set Volume Up Mute Volume Down CH Skip CH Call CH1/CH2...
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Page 8: Disassembly Instructions
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. -
Page 9: Service Mode List
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. -
Page 10: Electrical Adjustments
ELECTRICAL ADJUSTMENTS 1. BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS 2-1: RF AGC DELAY Read and perform these adjustments when repairing the Receive an 80dB monoscope pattern. circuits or replacing electrical parts or PCB assemblies. Connect the digital voltmeter between the TP001 and the GND. - Page 11 ELECTRICAL ADJUSTMENTS Fig. 2-1 00 OSD Fig. 2-3 2-10: VERTICAL VCO Place the set with Aging Test for more than 10 minutes. 110% Receive an 80dB monoscope pattern. Connect the digital voltmeter between the pin 5 of CP601 and the GND. 100% Activate the adjustment mode display of Fig.
- Page 12 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.
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Page 13: Major Components Location Guide
MAJOR COMPONENTS LOCATION GUIDE TU001 FB401 TP001 CP601 FOCUS VOLUME SCREEN VOLUME MAIN TP023 J801 TP022 D3-1... -
Page 14: Block Diagram
BLOCK DIAGRAM TU001 CH_UP CHROMA IC IC601 M61203BFP X602 3.579545MHz IC351 AN7511 VOL_UP X' TAL AUDIO OUT SOUND IC SP351 MICON IC CH_DOWN RF AGC OUT IC101 OEC7044A CF601 SAW FILTER VIF IN (1) VOL_DOWN AUDIO MUTE Q606 VIF IN (2) REG. -
Page 15: Printed Circuit Boards Main/Crt
PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE R501_2 R502 C503 Q401 C502 CP501 4A 125V F501 L501 C440 W038 R446 C801 T401 W039 CP801_1 C444 Q802_1 Q803_1 C437 C450 D126 Q801_1 R428 TP024 R802 C133 TP022 Q402 TP023 W812 C647 C439 C401... - Page 16 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE R609 IC101 IC601 R113...
- Page 17 MICON/TUNER SCHEMATIC DIAGRAM ACCESSORY ATC001 (MAIN PCB) NXC0032-010010 TU001 ENV56D67G3 TM101 R25-1127 TP001 FROM/TO POWER C007 100P C003 OS101 AUDIO_MUTE PIC-28143SY-2 R001 FROM/TO CHROMA 68K 1/2W R002 68K 1/2W I2C_OFF MICON IC IC101 OEC7044A R123 4.7K OSD_R P50/H.SYNC RED R R122 4.7K P51/V.SYNC...
- Page 18 CHROMA SCHEMATIC DIAGRAM TO MICON/TUNER (MAIN PCB) Y_VIDEO SYNC AT+5V REG. Q603 2SD734 FROM POWER 12.0 P_CON+15V S804Y RESET REG. Q606 2SD734 R639 CF604 EFCT4R5MW5 S802Y S801X S801Y R615 R638 22K CF603 EFCT4R5YS5A C661 D607 0.01 R646 1SS133 C638_1 R634 FROM/TO POWER KANP R611...
- Page 19 DEFLECTION/CRT SCHEMATIC DIAGRAM (MAIN PCB) S101 FROM CHROMA CLAMP CLAMP CLAMP CLAMP CLAMP G.OUT G.OUT G.OUT G.OUT G.OUT R.OUT R.OUT R.OUT R.OUT R.OUT B.OUT B.OUT B.OUT B.OUT B.OUT V-OUT IC IC401 LA78040 HEATER HEATER HEATER HEATER THERMAL PUMP PROTECTION AMP - 180V 180V 180V...
- Page 20 POWER SCHEMATIC DIAGRAM (MAIN PCB) CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE 4A 125V (F501) FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME 4A 125V TYPE 4A 125V (F501). R502 CP502 TV-50P-02-A1...
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Page 21: Micon/Tuner
WAVEFORMS MICON/TUNER 11 1V 20 s/div 200mV 5ms/div 0.5V 20 s/div 12 1V 20 s/div 200mV 20 s/div 0.5V 20 s/div 1V 20 s/div 3 200mV 20 s/div 20V 20 s/div DEFLECTION/CRT 200mV 5ms/div 14 0.5V 5ms/div 9 200mV 20 s/div CHROMA 15 20V 20 s/div 0.5V 5ms/div... -
Page 22: Power
WAVEFORMS 16 2V 20 s/div 21 50V 20 s/div 22 50V 20 s/div 200V 20 s/div POWER 0.5V 1ms/div 10V 5ms/div 10V 5ms/div 1V 1ms/div 50V 20 s/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. -
Page 23: Mechanical Exploded View
MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) L502 FB401 ATC001 V801 TU001 PCB010 (MAIN PCB) SP351... -
Page 24: Mechanical Replacement Parts List
MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A3H654C720 CABINET,FRONT ASS'Y HEAT SINK HEAT SINK METAL SPACER COATING CLIP 701WPJA862 CABINET,FRONT 713WPA0090 GUIDE,REMOCON 735WPA0381 BUTTON,FRAME 735WPA0382 BUTTON,HOLDER 702WPA0557 CABINET,BACK 722A08A059 SHEET,RATING 723000A932 FILM,DECORATION 7230006818 SHEET,CAUTION 7220001119 SHEET,CSA WARNING 7220001107 SHEET,HWC 800WQ00044 FELT SHEET 5x50xT0.5 800WQ00045 FELT SHEET... -
Page 25: Electrical Replacement Parts List
ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS DIODES ! R177 R5W2CF122J R, CEMENT 1.2K OHM 10W ! D503 D2WTRM11C0 DOIDE, SILICON RM11C-EIC ! R401 R4X5T4104F R, METAL 100K OHM 1/4W ! D504 D2WTRM11C0 DOIDE, SILICON RM11C-EIC ! R404... - Page 26 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION MISCELLANEOUS CP502 069W420029 CONNECTOR PCB SIDE TV-50P-02-A1 CP601 0694260139 CONNECTOR PCB SIDE 173979-6 CP801 069W320018 CONNECTOR PCB SIDE TS-80P-02-V1 CP806 069W010010 CONNECTOR PCB SIDE 005P-2100 CP802A 067R010019 WIRE HOLDER 51048-1000 CP802B 067R010019 WIRE HOLDER 51048-1000...
- Page 27 M3H6-54C SPEC.NO. W033021 O/R NO.