Page 1 MVT2135B SERIES D SERVICE MANUAL COLOR TELEVISION/VIDEO CASSETTE RECORDER ORIGINAL MFR’S VERSION A 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 CONTENTS SERVICING NOTICES ON CHECKING .................. A1-1 HOW TO ORDER PARTS ....................... A1-1 CONTENTS ..........................A2-1 GENERAL SPECIFICATIONS ....................A3-1~A3-4 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS ..........B1-1 2. REMOVAL OF DECK PARTS .................... B2-1~B2-5 3.
Page 4 GENERAL SPECIFICATIONS G - 1 CRT Size / Visual Size 13 inch / 335.4 mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G / +0.18G Color System NTSC Speaker 1Speaker Position Front Size 1.5 x 2.5 Inch Impedance Sound Output 10%(Typical) G - 2...
Page 5 GENERAL SPECIFICATIONS Display Menu Type Charactor Timer Rec Set Channel Setup TV/CATV Auto CH Memory Add/ Delete Guide CH Set TV Setup V-chip Set On/Off Timer Set Picture Audio Sap On/Off Auto Repeat On/Off System Setup Clock Set Language Auto Clock On/Off Standard Time Daylight Saving Time Commercial Advance...
Page 6 GENERAL SPECIFICATIONS CH Up CH Down Volume Up Volume Down Input Select Play F.Fwd Pause/Still Stop Rec/OTR Eject Counter Reset Speed Timer Rec TV Monitor Quick View Program Slow Auto Tracking Set/Tracking+ Set/Tracking - Menu Enter Cancel Call TV/Caption/Text Sleep Timer Muting Zero Return CM Skip...
Page 7 GENERAL SPECIFICATIONS Antenna Change Plug DC Car Cord (Center+) AC Plug Adapter AC Cord AV Cord (2Pin-1Pin) Guarantee Card Registration Card ESP Card Warning Sheet Dew/AHC Caution Sheet Quick Set-up Sheet Circuit Diagram Service Facility List Important Safeguard Informatin Sheet G - 1 5 Interface Switch...
Page 8 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: TV/VCR BLOCK (Refer to Fig. 1-3) Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP757, CP353, CP401 and CP502). Remove the 4 screws 1. Unlock the support 2.
Page 9 DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF DECK PARTS NOTE In case of the Locker R installation, check if the two 2-1: TOP BRACKET (Refer to Fig. 2-1) positions of Fig.2-3-B are correctly locked. Extend the 2 supports 1. When you install the Cassette Side R, be sure to move Slide the 2 supports 2 and remove the Top Bracket.
Page 10 DISASSEMBLY INSTRUCTIONS 2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A) Remove the screw 1. Remove the Loading Motor. Tension Connect Tension Band Remove the Worm. Tension Spring Tension Arm Ass'y Loading Motor Tension Holder Worm Main Chassis Fig. 2-7-B • Screw Torque: 3 ± 0.5kgf•cm Fig.
Page 11 DISASSEMBLY INSTRUCTIONS 2-8: T BRAKE ARM/T BRAKE BAND (Refer to Fig. 2-8-A) Remove the T Brake Spring. Idler Gear Turn the T Brake Arm clockwise and bend the hook Idler Arm Ass'y section to remove it. Unlock the 2 supports 1 and remove the T Brake S Reel Band.
Page 12 DISASSEMBLY INSTRUCTIONS 2-10: CASSETTE OPENER/PINCH ROLLER BLOCK/ P5 ARM ASS'Y (Refer to Fig. 2-10-A) Unlock the support 1 and remove the Cassette Opener. Remove the Pinch Roller Block and P5 Arm Ass'y. A/C Head Cassette Opener A/C Head Spring Pinch Roller Block A/C Head Base P5 Arm Ass'y •...
Page 13 DISASSEMBLY INSTRUCTIONS 2-13: AHC ASS'Y/CYLINDER UNIT ASS'Y 2-15: MAIN CAM/PINCH ROLLER CAM/JOINT GEAR (Refer to Fig. 2-13) (Refer to Fig. 2-15-A) Unlock the support 1 and remove the AHC Ass'y. Remove the E-Ring 1, then remove the Main Cam. Remove the E-Ring 2, then remove the Pinch Roller Disconnect the following connector: Cam and Joint Gear.
Page 14 DISASSEMBLY INSTRUCTIONS NOTE 2-18: CASSETTE GUIDE POST/INCLINED BASE S/T UNIT/P4 CAP (Refer to Fig. 2-18-A) 1. When you install the Loading Arm S Ass'y, Loading Arm T Ass'y and Main Loading Gear, align each marker. Remove the P4 Cap. Unlock the support 1 and remove the Cassette Guide (Refer to Fig.
Page 15 DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 3. 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.
Page 16 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. 4-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
Page 17 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. 4-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
Page 18 KEY TO ABBREVIATIONS Audio/Control H.SW Head Switch Automatic Color Control Hertz Audio Erase Integrated Circuit Automatic Frequency Control Intermediate Frequency Automatic Fine Tuning Indicator AFT DET Automatic Fine Tuning Detect Inverter Automatic Gain Control Killer Amplifier Left Antenna Light Emitting Diode A.PB Audio Playback LIMIT AMP...
Page 19 KEY TO ABBREVIATIONS SYNC Synchronization SYNC SEP Sync Separator, Separation Transistor TRAC Tracking TRICK PB Trick Playback Test Point UNREG Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse, Voltage Display V.PB Video Playback Variable Resistor V.REC Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source...
Page 20 SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter SERVICE MODE, unplug AC cord till lost actual clock time. Then press and hold Vol (-) button of main unit and remocon key simultaneously.
Page 21 PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Unless maintenance is properly carried out, the following service intervals may be quite shortened as harmful effects may be had on other parts. Also, long term storage or misuse may cause transformation and aging of rubber parts. Time 1,000 1,500...
Page 22 PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING NOTE 2. TAPE RUNNING SYSTEM After cleaning the heads with isopropyl alcohol, do not When cleaning the tape transport system, use the run a tape until the heads dry completely. If the heads gauze moistened with isopropyl alcohol. are not completely dry and alcohol gets on the tape, 3.
Page 23 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. NOTE: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 5 seconds before Power On.
Page 24 SERVICING FIXTURES AND TOOLS (For 2 heads model) (For 4 heads model) JG002B Adapter JG005 Post Adjustment VHS Alignment Tape VHS Alignment Tape JG002E Dial Torque Gauge Screwdriver JG001 (VN S-LI6 ) JG001B (VN S-LI6 ) (10~90gf•cm) Part No. SV-TG0-030-000 JG001A (VN S-CO1 ) JG001I...
Page 25 MECHANICAL ADJUSTMENTS 1. CONFIRMATION AND ADJUSTMENT 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION Read the following NOTES before starting work. Set to the PLAY mode. • Place an object which weighs between 450g~500g on Adjust the adjusting parts for the Tension Arm position the Cassette Tape to keep it steady when you want to so that the Tension Arm top is within the standard line of make the tape run without the Cassette Holder.
Page 26 MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE NOTE Install the Torque Gauge (JG002F) and Adapter (JG002B) If the torque is out of the range, replace the following on the S Reel. Set to the Picture Search (Rewind) mode. parts. (Refer to Fig.1-4-B) Check item Replacement Part Then, confirm that it indicates 120~180gf•cm.
Page 27 MECHANICAL ADJUSTMENTS 2-2: CONFIRMATION AND ADJUSTMENT OF AUDIO/ 2-3: TAPE RUNNING ADJUSTMENT CONTROL HEAD (X VALUE ADJUSTMENT) When the Tape Running Mechanism does not work well, Confirm and adjust the height of the Reel Disk. adjust the following items. (Refer to item 1-1) Confirm and adjust the position of the Tension Post.
Page 28 MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1. Tension Connect P4 Post 2. Tension Arm T Brake Spring 3. Guide Roller T Reel 4. Audio/Control Head S Reel 5. X value adjustment driver hole Adjusting parts for the Tension Arm position D1-4...
Page 29 ELECTRICAL ADJUSTMENTS 1. BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS (VCR SECTION) Read and perform these adjustments when repairing the 2-1: PG SHIFTER circuits or replacing electrical parts or PCB assemblies. Connect CH-1 on the oscilloscope to TP1002 and CH-2 CAUTION to pin 4 of CP1003.
Page 30 ELECTRICAL ADJUSTMENTS 2-3: RF AGC DELAY 2-8: HORIZONTAL PHASE Receive the VHF HIGH (63dB). Receive the center cross signal from the Pattern Connect the digital voltmeter between the pin 5 of Generator. CP351 and the pin 1 (GND) of CP351. Using the remote control, set the brightness and Activate the adjustment mode display of Fig.
Page 31 ELECTRICAL ADJUSTMENTS 2-13: SUB TINT 2-15: OSD HORIZONTAL Receive the color bar pattern. (RF Input) Activate the adjustment mode display of Fig. 1-1. Connect the oscilloscope to TP801. Press the VOL. UP/DOWN button on the remote control Using the remote control, set the brightness, contrast, until the difference of A and B becomes minimum.
Page 32 ELECTRICAL ADJUSTMENTS 3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE CP1003 TP1001 TP4001 TP1002 TP601 VR502 TU601 FB401 CP351 FOCUS VOLUME SCREEN VOLUME SYSCON PCB TP801 TP803 J801 CRT PCB D2-4...
Page 33 ELECTRICAL ADJUSTMENTS 4. PURITY AND CONVERGENCE 4-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 4-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.
Page 34 TV BLOCK DIAGRAM V. OUTPUT IC IC401 AN5522 MICON/ OPERATION/ THERMAL DECK PROTECTION Q602, Q603 Q606 AT+12V AT+5V_BACK UP REG. REG. AT+12V Q407 PUMP MICON/ Q604, Q605 H-CONTROL Q601 H_CTL OPERATION/ Y/C/AUDIO/ TU_AUDIO CCD/ AT+5V DECK REG. TU_VIDEO BUFFER HEAD AMP/ Y/C_AUDIO IN/OUT Q405...
Page 35 Y/C/AUDIO/CCD/HEAD AMP/IN/OUT BLOCK DIAGRAM X4001 3.579545MHz Q4010 Q4012 BUFFER BUFFER Y/C/AUDIO/CCD/HEAD AMP IC IC4001 LA71200M-MPB VX01 3.58M BPF2 CP4001 CLAMP AUTO-BIAS Main CONV Y/C_CLK SP-CH2 (L) MICON/ SERAIL Y/C_DATA OPERATION/ DECODER SP_COM DECK Y/C_CS B-UP SP-CH1 (R) C-LPF 3.58M BPF1 SYNC VIDEO C-ROT...
Page 36 MICON/OPERATION/DECK BLOCK DIAGRAM TIMER SYSCON MICON IC SW1001 IC1001 OEC7071A SYSTEM RESET IC IC1003 RESET-L 1 OUT TAB SW R3111N311A/C-TR POWER FAIL2 AT+5.6V POWER_FAIL_L MSSEN-A P. CON+5V X-OUT(12MHz) Q1023 MS_SEN A J701 X1001 Q1009 12MHz AUDIO L X_RAY_SW X-IN(12MHz) FRONT_VIDEO XC-OUT(32KHz) MSSEN-B X1002...
Page 37 PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE SW797 SW799 SW791 SW794 SW792 SW793 SW795 J351 W003 W805 R777_1 R773_1 R772_1 R774_1 R766 W811 R771_1 R350_1 OS753 R778_1 W815 SW798 SW796 D793 C755_1 CD351_1 CD757 D791...
Page 38 PRINTED CIRCUIT BOARDS SYSCON/CRT (INSERTED PARTS) SOLDER SIDE CD852 Q804_1 R450 R802 TP801 R807 TP802 R808 R805 W813 W847 R820 Q805_1 D412 D413 TP803 D409 J801_1 S107X C801 W123 R440 R655_1 W824 R456 W836 R672 Q806_1 C438 FB401 W895 S818X Q405 W018 L801...
Page 39 PRINTED CIRCUIT BOARDS SYSCON/CRT (CHIP MOUNTED PARTS) SOLDER SIDE C4206_1 R352 R353 C301 R4201 R359 Q1007 Q1008 W903 R4043 R1070 R4054 R4041 Q4012 C4041 R4026 R1018 C1060 R4042 C4043 W818 R1035 R1033 Q4010 C1061 R1078 R1034 R1021 Q1024 C4069 C1062 Q4009 C1034 C1043...
Page 40 Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) BUFFER Q4012 2SC2412K R4041 1.8K FROM POWER P.CON+5V W858 C4058 FROM/TO IN/OUT FRONT_AUDIO 6.3V FRONT_VIDEO C4059 Y/C_AUDIO 0.1 F Y/C_VIDEO R4038 C4061 680K 0.01 F FROM/TO MICON Y/C_CLK Y/C_DATA Y/C_CS V.REC_ST_H C4016 COMP OUT 4Fsc CLOCK AUDIO...
Page 41 MICON SCHEMATIC DIAGRAM (SYSCON PCB) FROM POWER POWER_FAIL2 SERVICE R1032 TP1001 C1056 P.CON+5V 0.1 F MOTOR+12V C1034 0.1 F R1029 4.7K FROM/TO Y/C/AUDIO/HEAD.AMP C1035 Y/C_CLK 220P CH Y/C_DATA C1031 R1044 Y/C_CS 0.001 B H.SW R1033 C1062 5.6K C1001 SD_VIDEO X_RAY X_RAY_SW ENV_DET Q1023...
Page 42 IN/OUT SCHEMATIC DIAGRAM (SYSCON PCB) NC NC C4206_1 0.0022 B FROM/TO SOUND AMP SOUND_GND SOUND+ SP_OUT FROM CHROMA/IF AT+5V FROM/TO MICON INT-MONI B.OUT IIC_OFF T-REC_LED REC_LED REC LED SW(AI) ON TIM/T-REC LED SW(TO) Q1007 Q1008 KRC102SRTK KRC102SRTK W866 FROM POWER KEY_B KEY_A REMOCON_IN...
Page 43 CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PCB) W829 11.0 FROM/TO MICON REG. Q606 PROTECT AT+5V REG. KTC3203_Y Q603 AT+5V D608 KTC3203_Y AT+5V_BACKUP REG. REG. SB140-EIC Q602 REG. Q605 KTC3203_Y Q604 OSD_R 2SD400E 2SD400E OSD_G W801 OSD_B OSD_BLK W895 TU_VIDEO B604 FROM/TO Y/C/AUDIO/HEAD.AMP CF604 R620 AFT_M...
Page 44 SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO IN/OUT SP_OUT W808 SOUND+ SOUND_GND FROM MICON R359 TV_A_MUTE R353 TV_POWER_H C301 0.0068 FROM TV POWER SOUND+B C357 0.001 CH SOUND_GND FROM CHROMA/IF C355 R357 AUDIO_OUT 5.6K PCB010 VMA227 NOTE: NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME THE DC VOLTAGE AT EACH PART WAS MEASURED CAUTION: SINCE THESE PARTS MARKED BY...
Page 45 POWER SCHEMATIC DIAGRAM (SYSCON PCB) 5A 125V 2.5A 125V CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 5A 125V (F501) AND 2.5A 125V (F502) ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE 5A 125V (F501) ET 2.5A 125V (F502)
Page 46 DEFLECTION SCHEMATIC DIAGRAM (SYSCON PCB) V.OUTPUT IC IC401 AN5522 THERMAL PROTECTION PUMP UP 25.9 12.5 26.3 D402 1N4937 TO DY CP401 A1561WV2-A5P W840 R401 W857 R413 R416 1.8K FROM MICON H_CTL FROM/TO CHROMA/IF HS401 V_OUT 763WSAA013 V_FEEDBACK V801 W807 A34JXV70X53N45 L401 H.PLUSE 4.7mH 0909...
Page 47 CRT SCHEMATIC DIAGRAM (CRT PCB) 126.5 J801_1 HPS3200-010501 104.1 127.5 127.5 TP801 R802 BLUE AMP Q804_1 2SC4217 132.5 12K 1W R807 2.7K 1/4W R808 2.7K 1/4W R811 FROM CHROMA/IF TP802 CP851B (CP851A) C809 B2013H02-10P R805 GREEN AMP 470P B Q805_1 CUT_OFF CUT_OFF 2SC4217...
Page 48 OPERATION SCHEMATIC DIAGRAM (OPERATION PCB) OS753 PIC-37143TH5 R766 1/4W Vout R778_1 R771_1 R772_1 R773_1 R774_1 1/4W 1K 1/4W 1.5K 1/4W 2.7K 1/4W 5.6K 1/4W R775_1 R776_1 R777_1 1/4W 1K 1/4W 1.5K 1/4W FROM/TO IN/OUT CD757 (CP757_2) HEADPHONE_JACK CH2A019A J351 HTJ-035-28A REMOCON_IN AT+5V R350_1...
Page 49 INTERCONNECTION DIAGRAM J351 OPERATION PCB PCB030 HALL MAIN ROTOR TEXA28 SENSOR COIL MAGNET VIDEO AUDIO L FG SENSOR FRONT AV JACK J701_1 TM101 OS753 LOADING MOTOR M101 HALL HALL SWITCH 8 OHM CD352 LOGIC SOUND GND V.OUT SP OUT CP1001 SPEAKER CAP_FG SP351...
Page 50 WAVEFORMS Y/C/AUDIO/CCD/HEAD AMP MICON POWER ON 11 PB 1.0V 20µs/div 0.5V 20µs/div 0.5V 0.5ms/div POWER ON POWER ON 12 PB 100mV 0.1µs/div 0.5V 10ms/div 1.0V 0.5ms/div POWER ON 13 PB 1.0V 10µs/div 10mV 20us/div 1.0V 5ms/div DEFLECTION 17 0.5V 5ms/div 0.5V 1ms/div 1.0V 10ms/div 10.0V 5ms/div...
Page 51 WAVEFORMS 19 2.0V 20µs/div 20 200mV 20µs/div 21 50.0V 20µs/div 22 50.0V 20µs/div 50.0V 20µs/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
Page 52 MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) L503 V801 PCB030 (OPERATION PCB) SP351...
Page 53 MECHANICAL EXPLODED VIEW FB401 PCB800 (SYSCON PCB)
Page 54 CHASSIS EXPLODED VIEW (TOP VIEW) M2003 UN4001 H5002 H5001 M101 NOTE: Applying positions AA and AB for the grease CLASS PART NO. MARK are displayed for this section. GREASE G-555G Check if the correct grease is applied for each position. MG-33...
Page 55 CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 NOTE: Applying positions AA and AB for the grease CLASS PART NO. MARK are displayed for this section. GREASE G-555G Check if the correct grease is applied for each position. MG-33...
Page 56 MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A5A304C720 CABINET,FRONT ASS'Y 85OP700037 HOLDER,LED 752WSA0230 SHIELD,CASE HEAD AMP 753WSA0118 PLATE,EARTH-SYSCON 899HV3T000 HOLDER,ANODE WIRE 702WPA0832 CABINET,BACK 761WPA0225 HOLDER,DECK 735WPAA267 BUTTON,REC 753WUAA006 SPRING,EARTH HEAD AMP 726000A023 SHEET,CRT SERVICEMAN 741WUA0019 SPRING,EARTH 85OP700038 HOLDER,END SENSOR 701WPJB487 CABINET,FRONT 722A08A095 SHEET,RATING 711WPA0114 PLATE,FRONT...
Page 57 CHASSIS REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION A5A305A420K DECK ASS'Y A5A305A420K 8107226804 SCREW,TAP TITE(S) BIND 2.6x8 810A123504 SEMS A M2.3x5.0 85OA400227 PINCH ROLLER BLOCK 8107226404 SCREW,TAP TITE(S) BIND 2.6x4 85OA500026 AHC ASS'Y 8102120604 SCREW,PAN M2x6 85OP200290 BELT,CAPSTAN (S)
Page 58 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS DIODES ! R415 R002T22R2J RC 2.2 OHM 1/2W D536 D28TELS6N6 DIODE RECTIFER 10ELS6N-TA1B2 ! R420 R801R7822F RC 8.2K OHM 1/10W D537 D1VT001330 DIODE,SILICON 1SS133T-77 ! R439 R801R7223F RC 22K OHM 1/10W D601...
Page 59 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION COILS &TRANSFORMERS MISCELLANEOUS ! L503 028R140031 COIL,DEGAUSS 8R140031 ! FB401 043213015R TRANSFORMER,FLYBACK 3213015R L601 0331920018 COIL 3192001 FH501 06710T0006 HOLDER,FUSE EYF-52BC L603 02167F470J COIL FH502 06710T0006 HOLDER,FUSE EYF-52BC L607 021LA6220K COIL...
Page 60 M5A3-04C SPEC.NO. K1X5006 O/R NO.
Page 61 MVT2135B Series E SERVICE MANUAL COLOR TELEVISION/VIDEO CASSETTE RECORDER ORIGINAL MFR’S VERSION C Design and specifications are subject to change without notice.
Page 62 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 63: Table Of Contents
CONTENTS SERVICING NOTICES ON CHECKING .................. A1-1 HOW TO ORDER PARTS ....................... A1-1 CONTENTS ..........................A2-1 GENERAL SPECIFICATIONS ....................A3-1~A3-4 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS ..........B1-1 2. REMOVAL OF DECK PARTS .................... B2-1~B2-6 3.
Page 64: General Specifications
GENERAL SPECIFICATIONS CRT Size / Visual Size 13 inch / 335.4 mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G / +0.18G Color System NTSC Speaker 1Speaker Position Front Size 1.5 x 2.5 Inch Impedance Sound Output 10%(Typical) System VHS Player / Recorder System...
Page 65 GENERAL SPECIFICATIONS Timer Rec Set Channel Setup TV/CATV Auto CH Memory Add/ Delete Guide CH Set TV Setup V-chip Set On/Off Timer Set Picture Audio Sap On/Off Auto Repeat On/Off System Setup Clock Set Language Auto Clock On/Off Standard Time Daylight Saving Time Commercial Advance Marking On/Off...
Page 66 GENERAL SPECIFICATIONS CH Up CH Down Volume Up Volume Down Input Select Play F.Fwd Pause/Still Stop Rec/OTR Eject Counter Reset Speed Timer Rec TV Monitor Quick View Program Slow Auto Tracking Set/Tracking+ Set/Tracking - Menu Enter Cancel Call TV/Caption/Text Sleep Timer Muting Zero Return CM Skip...
Page 67 GENERAL SPECIFICATIONS DC Car Cord (Center+) AC Plug Adapter AC Cord AV Cord (2Pin-1Pin) Guarantee Card Registration Card ESP Card Warning Sheet Dew/AHC Caution Sheet Quick Set-up Sheet Circuit Diagram Service Facility List Important Safeguard Informatin Sheet G-15 Interface Switch Power Play Pause/Still...
Page 68: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: TV/VCR BLOCK (Refer to Fig. 1-3) Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP757, CP351, CP401 and CP502). Remove the 5 screws 1. Unlock the support 2.
Page 69: Removal Of Deck Parts
DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF DECK PARTS NOTE In case of the Locker R installation, check if the two 2-1: TOP BRACKET (Refer to Fig. 2-1) positions of Fig.2-3-B are correctly locked. Extend the 2 supports 1. When you install the Cassette Side R, be sure to move Slide the 2 supports 2 and remove the Top Bracket.
Page 70 DISASSEMBLY INSTRUCTIONS 2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A) Tension Arm Ass'y Remove the screw 1. Remove the Loading Motor. Remove the Worm. Fig. 2-7-A Loading Motor Worm Tension Connect Tension Band Main Chassis Tension Spring Tension Arm Ass'y Tension Holder •...
Page 71 DISASSEMBLY INSTRUCTIONS 2-8: T BRAKE ARM/T BRAKE BAND (Refer to Fig. 2-8-A) Remove the T Brake Spring. Idler Gear Turn the T Brake Arm clockwise and bend the hook Idler Arm Ass'y section to remove it. Unlock the 2 supports 1 and remove the T Brake S Reel Band.
Page 72 DISASSEMBLY INSTRUCTIONS 2-10: CASSETTE OPENER/PINCH ROLLER BLOCK/ P5 ARM ASS'Y (Refer to Fig. 2-10-A) Unlock the support 1 and remove the Cassette Opener. Remove the Pinch Roller Block and P5 Arm Ass'y. Cassette Opener Spring Position Fig. 2-11-B 2-12: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-12) Pinch Roller Block Remove the screw 1.
Page 73 DISASSEMBLY INSTRUCTIONS 2-14: CAPSTAN DD UNIT (Refer to Fig. 2-14-A) 2-15: MAIN CAM/PINCH ROLLER CAM/JOINT GEAR (Refer to Fig. 2-15-A) Remove the Capstan Belt. Remove the 3 screws 1. Remove the E-Ring 1, then remove the Main Cam. Remove the E-Ring 2, then remove the Pinch Roller Remove the Capstan DD Unit.
Page 74 DISASSEMBLY INSTRUCTIONS NOTE 2-18: CASSETTE GUIDE POST/INCLINED BASE S/T UNIT/P4 CAP (Refer to Fig. 2-18-A) 1. When you install the Loading Arm S Ass'y, Loading Arm T Ass'y and Main Loading Gear, align each marker. Remove the P4 Cap. Unlock the support 1 and remove the Cassette Guide (Refer to Fig.
Page 75: Removal Of Anode Cap
DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 3. 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.
Page 76: Removal And Installation Of Flat Package Ic
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. 4-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
Page 77 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. 4-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
Page 78: Key To Abbreviations
KEY TO ABBREVIATIONS Audio/Control H.SW Head Switch Automatic Color Control Hertz Audio Erase Integrated Circuit Automatic Frequency Control Intermediate Frequency Automatic Fine Tuning Indicator AFT DET Automatic Fine Tuning Detect Inverter Automatic Gain Control Killer Amplifier Left Antenna Light Emitting Diode A.PB Audio Playback LIMIT AMP...
Page 79 KEY TO ABBREVIATIONS SYNC Synchronization SYNC SEP Sync Separator, Separation Transistor TRAC Tracking TRICK PB Trick Playback Test Point UNREG Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse, Voltage Display V.PB Video Playback Variable Resistor V.REC Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source...
Page 80: Service Mode List
SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter SERVICE MODE, unplug AC cord till lost actual clock time. Then press and hold Vol (-) button of main unit and remocon key simultaneously.
Page 81: Preventive Checks And Service Intervals
PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Parts replacing time does not mean the life span for individual parts. Also, long term storage or misuse may cause transformation and aging of rubber parts. The following list means standard hours, so the checking hours depends on the conditions.
Page 82 PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING NOTE 2. TAPE RUNNING SYSTEM After cleaning the heads with isopropyl alcohol, do not When cleaning the tape transport system, use the run a tape until the heads dry completely. If the heads gauze moistened with isopropyl alcohol. are not completely dry and alcohol gets on the tape, 3.
Page 83: When Replacing Eeprom (Memory) Ic
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. NOTE: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 5 seconds before Power On.
Page 84: Servicing Fixtures And Tools
SERVICING FIXTURES AND TOOLS (For 2 heads model) (For 4 heads model) JG002B Adapter JG005 Post Adjustment VHS Alignment Tape VHS Alignment Tape JG002E Dial Torque Gauge Screwdriver (VN S-LI6 ) JG001 JG001B (VN S-LI6 ) (10~90gf•cm) Part No. SV-TG0-030-000 JG001A (VN S-CO1 ) JG001I...
Page 85: Mechanical Adjustments
MECHANICAL ADJUSTMENTS 1. CONFIRMATION AND ADJUSTMENT 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION Read the following NOTES before starting work. Set to the PLAY mode. • Place an object which weighs between 450g~500g on Adjust the adjusting section for the Tension Arm the Cassette Tape to keep it steady when you want to position so that the Tension Arm top is within the make the tape run without the Cassette Holder.
Page 86 MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE NOTE Install the Torque Gauge (JG002F) and Adapter (JG002B) If the torque is out of the range, replace the following on the S Reel. Set to the Picture Search (Rewind) mode. parts. (Refer to Fig.1-4-B) Check item Replacement Part Then, confirm that it indicates 120~180gf•cm.
Page 87 MECHANICAL ADJUSTMENTS 2-2: CONFIRMATION AND ADJUSTMENT OF AUDIO/ 2-3: TAPE RUNNING ADJUSTMENT CONTROL HEAD (X VALUE ADJUSTMENT) When the Tape Running Mechanism does not work well, Confirm and adjust the height of the Reel Disk. adjust the following items. (Refer to item 1-1) Confirm and adjust the position of the Tension Post.
Page 88 MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1. Tension Connect P4 Post 2. Tension Arm T Brake Spring 3. Guide Roller T Reel 4. Audio/Control Head S Reel 5. X value adjustment driver hole Adjusting section for the Tension Arm position D2-4...
Page 89: Electrical Adjustments
ELECTRICAL ADJUSTMENTS 1. BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS (VCR SECTION) Read and perform these adjustments when repairing the 2-1: PG SHIFTER circuits or replacing electrical parts or PCB assemblies. Connect CH-1 on the oscilloscope to TP1002 and CH-2 CAUTION to pin 4 of CP1003.
Page 90 ELECTRICAL ADJUSTMENTS 2-3: RF AGC DELAY 2-8: HORIZONTAL PHASE Receive the VHF HIGH (63dB). Receive the center cross signal from the Pattern Connect the digital voltmeter between the pin 5 of Generator. CP351 and the pin 1 (GND) of CP351. Using the remote control, set the brightness and Activate the adjustment mode display of Fig.
Page 91 ELECTRICAL ADJUSTMENTS 2-12: SUB CONTRAST MANUAL White 0% Receive the color bar pattern. (RF Input) Using the remote control, set the brightness and contrast to normal position. Activate the adjustment mode display of Fig. 1-1 and press the channel button (14) on the remote control to 100% select "CONTRAST".
Page 92 ELECTRICAL ADJUSTMENTS 3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CP351 FB401 CP502 TU601 VR502 VR401 AC IN TP601 TP1002 TP4001 A/C HEAD CRT PCB R802 TP1001 TP801 R810 TP803 CP1003 J801 SYSCON PCB CD757 CD351 CD352 OPERATION PCB SPEAKER D3-4...
Page 93 ELECTRICAL ADJUSTMENTS 4. PURITY AND CONVERGENCE 4-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 4-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.
Page 94: Micon/Operation/In/Out
TV BLOCK DIAGRAM V. OUTPUT IC IC401 AN5522 MICON/ OPERATION/ THERMAL IN/OUT PROTECTION Q602, Q603 Q606 AT+12V AT+5V_BACK UP REG. REG. AT+12V Q407 PUMP MICON/ Q604, Q605 H-CONTROL Q601 H_CTL OPERATION/ TU_AUDIO Y/C/AUDIO/ AT+5V IN/OUT REG. CCD/ TU_VIDEO BUFFER HEAD AMP Y/C_AUDIO Q405 Q406...
Page 95 Y/C/AUDIO/CCD/HEAD AMP BLOCK DIAGRAM X4001 3.579545MHz Q4010 Q4012 BUFFER BUFFER Y/C/AUDIO/CCD/HEAD AMP IC IC4001 LA71201M-N-MPB VX01 TIMMING DRIVER 3.58M BPF2 CP4001 CLAMP AUTO-BIAS Main CONV Y/C_CLK SP-CH2 (L) MICON/ SERAIL Y/C_DATA OPERATION/ DECODER SP_COM IN/OUT Y/C_CS B-UP SP-CH1 (R) C-LPF 3.58M BPF1 SYNC...
Page 96 MICON/OPERATION/IN/OUT BLOCK DIAGRAM TIMER SYSCON MICON IC SW1001 IC1001 OEC7071A SYSTEM RESET IC IC1003 RESET-L 1 OUT TAB SW R3111N311A/C POWER FAIL2 AT+5.6V POWER_FAIL_L MSSEN-A P. CON+5V X-OUT(12MHz) Q1023 MS_SEN A J701 X1001 Q1009 12MHz AUDIO L X_RAY_SW X-IN(12MHz) FRONT_VIDEO XC-OUT(32KHz) MSSEN-B X1002...
Page 97: Printed Circuit Boards
PRINTED CIRCUIT BOARDS OPERATION SOLDER SIDE SW797 SW799 SW791 SW794 SW792 SW793 SW795 J351 J701_1 W003 R777_1 W805 R772_1 R773_1 W811 R766 R774_1 C382 OS753 R771_1 W815 D793 R350_1 SW798 CD352 R778_1 SW796 C755_1 D791 CD757 CD351_1...
Page 98: Syscon/Crt
PRINTED CIRCUIT BOARDS SYSCON/CRT (INSERTED PARTS) SOLDER SIDE CD852 Q804_1 R450 R802 TP801 R807 TP802 R808 R805 W813 W847 R820 Q805_1 D412 D413 TP803 D409 J801_1 S107X C801 W123 R440 R655_1 W824 R456 W836 R672 Q806_1 C438 FB401 W895 S818X Q405 W018 L801...
Page 99 PRINTED CIRCUIT BOARDS SYSCON/CRT (CHIP MOUNTED PARTS) SOLDER SIDE C4206_1 R352 R353 C301 R4201 R359 Q1007 Q1008 W903 R4043 R1070 R4054 R4041 Q4012 C4041 R4026 R1018 C1060 R4042 C4043 W818 R1035 R1033 Q4010 C1061 R1078 R1034 R1021 Q1024 C4069 C1062 Q4009 C1034 C1043...
Page 100 Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) BUFFER Q4012 2SC2412K R4041 1.8K FROM TV POWER P.CON+5V W858 FROM/TO IN/OUT C4058 FRONT_AUDIO 6.3V FRONT_VIDEO C4059 Y/C_AUDIO 0.1 F Y/C_VIDEO R4038 C4061 680K 0.01 F FROM/TO MICON Y/C_CLK Y/C_DATA Y/C_CS V.REC_ST_H C4016 COMP OUT 4Fsc CLOCK AUDIO...
Page 101 MICON SCHEMATIC DIAGRAM (SYSCON PCB) FROM TV POWER POWER_FAIL2 SERVICE R1032 TP1001 C1056 P.CON+5V 0.1 F MOTOR+12V C1034 0.1 F R1029 4.7K FROM/TO Y/C/AUDIO/HEAD AMP C1035 Y/C_CLK 220P CH Y/C_DATA C1031 R1044 Y/C_CS 0.001 B H.SW R1033 C1062 5.6K C1001 SD_VIDEO X_RAY X_RAY_SW...
Page 102: In/Out
IN/OUT SCHEMATIC DIAGRAM (SYSCON PCB) NC NC C4206_1 0.0022 B FROM/TO SOUND AMP SOUND_GND SOUND+ SP_OUT FROM CHROMA/IF AT+5V INT-MONI FROM/TO MICON B.OUT IIC_OFF T-REC_LED REC_LED REC LED SW(AI) ON TIM/T-REC LED SW(TO) Q1007 Q1008 KRC102SRTK KRC102SRTK W866 FROM/TO TV POWER KEY_B KEY_A REMOCON_IN...
Page 103 CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PCB) W829 11.0 FROM/TO MICON REG. Q606 PROTECT AT+5V REG. KTC3203_Y Q603 AT+5V D608 KTC3203_Y AT+5V_BACKUP REG. REG. SB140-EIC Q602 REG. Q605 KTC3203_Y Q604 OSD_R 2SD400E 2SD400E OSD_G W801 OSD_B OSD_BLK W895 TU_VIDEO B604 CF604 FROM/TO Y/C/AUDIO HEAD.AMP R620 AFT_M EFCT4R5MW5...
Page 104: Sound Amp
SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO IN/OUT W808 SP_OUT SOUND+ SOUND_GND FROM MICON R359 TV_A_MUTE R353 TV_POWER_H C301 0.0068 FROM TV POWER SOUND+B C357 0.001 CH SOUND_GND FROM CHROMA/IF C355 R357 AUDIO_OUT 5.6K NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED ATTENTION: LES PIECES REPAREES PAR UN ETANT...
Page 105: Power
POWER SCHEMATIC DIAGRAM (SYSCON PCB) 5A 125V 2.5A 125V CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 5A 125V (F501) AND 2.5A 125V (F502) ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE 5A 125V (F501) ET 2.5A 125V (F502)
Page 106 DEFLECTION SCHEMATIC DIAGRAM (SYSCON PCB) V.OUTPUT IC IC401 AN5522 THERMAL PROTECTION PUMP UP 25.9 12.5 26.3 D402 1N4937 TO DY CP401 A1561WV2-A5P W840 R401 W857 R413 R416 1.8K FROM MICON H_CTL FROM/TO CHROMA/IF HS401 V_OUT 763WSA0016 V_FEEDBACK V801 W807 A34AGT13X98(L) L401 H.PLUSE 4.7mH 0909...
Page 107 CRT SCHEMATIC DIAGRAM (CRT PCB) 126.5 J801_1 HPS3200-010501 104.1 127.5 127.5 TP801 R802 BLUE AMP Q804_1 2SC4217 132.5 12K 1W R807 2.7K 1/4W R808 2.7K 1/4W R811 FROM CHROMA/IF TP802 CP851B (CP851A) C809 B2013H02-10P R805 GREEN AMP 470P B Q805_1 CUT_OFF CUT_OFF 2SC4217...
Page 108 OPERATION SCHEMATIC DIAGRAM (OPERATION PCB) OS753 PIC-37143TH5 R766 100 1/4W Vout R778_1 R771_1 R772_1 R773_1 R774_1 820 1/4W 1K 1/4W 1.5K 1/4W 2.7K 1/4W 5.6K 1/4W R775_1 R776_1 R777_1 820 1/4W 1K 1/4W 1.5K 1/4W FROM/TO IN/OUT CD757 (CP757_2) HEADPHONE_JACK CH2A019A J351 HTJ-035-28A...
Page 109 INTERCONNECTION DIAGRAM J351 OPERATION PCB PCB030 HALL MAIN ROTOR TEXA28 SENSOR COIL MAGNET VIDEO AUDIO L FG SENSOR FRONT AV JACK J701_1 TM101 OS753 LOADING MOTOR M101 HALL HALL SWITCH 8 OHM CD352 LOGIC SOUND GND V.OUT SP OUT CP1001 SPEAKER CAP_FG SP351...
Page 110 Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) BUFFER Q4012 2SC2412K R4041 1.8K FROM TV POWER P.CON+5V W858 FROM/TO IN/OUT C4058 FRONT_AUDIO 6.3V FRONT_VIDEO C4059 Y/C_AUDIO 0.1 F Y/C_VIDEO R4038 C4061 680K 0.01 F FROM/TO MICON Y/C_CLK Y/C_DATA Y/C_CS V.REC_ST_H C4016 COMP OUT 4Fsc CLOCK AUDIO...
Page 111 MICON SCHEMATIC DIAGRAM (SYSCON PCB) FROM TV POWER POWER_FAIL2 SERVICE R1032 TP1001 C1056 P.CON+5V 0.1 F MOTOR+12V C1034 0.1 F R1029 4.7K FROM/TO Y/C/AUDIO/HEAD AMP C1035 Y/C_CLK 220P CH Y/C_DATA C1031 R1044 Y/C_CS 0.001 B H.SW R1033 C1062 5.6K C1001 SD_VIDEO X_RAY X_RAY_SW...
Page 112 IN/OUT SCHEMATIC DIAGRAM (SYSCON PCB) NC NC C4206_1 0.0022 B FROM/TO SOUND AMP SOUND_GND SOUND+ SP_OUT FROM CHROMA/IF AT+5V INT-MONI FROM/TO MICON B.OUT IIC_OFF T-REC_LED REC_LED REC LED SW(AI) ON TIM/T-REC LED SW(TO) Q1007 Q1008 KRC102SRTK KRC102SRTK W866 FROM/TO TV POWER KEY_B KEY_A REMOCON_IN...
Page 113 CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PCB) W829 11.0 FROM/TO MICON REG. Q606 PROTECT AT+5V REG. KTC3203_Y Q603 AT+5V D608 KTC3203_Y AT+5V_BACKUP REG. REG. SB140-EIC Q602 REG. Q605 KTC3203_Y Q604 OSD_R 2SD400E 2SD400E OSD_G W801 OSD_B OSD_BLK W895 TU_VIDEO B604 CF604 FROM/TO Y/C/AUDIO HEAD.AMP R620 AFT_M EFCT4R5MW5...
Page 114 SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO IN/OUT W808 SP_OUT SOUND+ SOUND_GND FROM MICON R359 TV_A_MUTE R353 TV_POWER_H C301 0.0068 FROM TV POWER SOUND+B C357 0.001 CH SOUND_GND FROM CHROMA/IF C355 R357 AUDIO_OUT 5.6K NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED ATTENTION: LES PIECES REPAREES PAR UN ETANT...
Page 115 POWER SCHEMATIC DIAGRAM (SYSCON PCB) 5A 125V 2.5A 125V CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 5A 125V (F501) AND 2.5A 125V (F502) ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE 5A 125V (F501) ET 2.5A 125V (F502)
Page 116 DEFLECTION SCHEMATIC DIAGRAM (SYSCON PCB) V.OUTPUT IC IC401 AN5522 THERMAL PROTECTION PUMP UP 25.9 12.5 26.3 D402 1N4937 TO DY CP401 A1561WV2-A5P W840 R401 W857 R413 R416 1.8K FROM MICON H_CTL FROM/TO CHROMA/IF HS401 V_OUT 763WSA0016 V_FEEDBACK V801 W807 A34AGT13X98(L) L401 H.PLUSE 4.7mH 0909...
Page 117 CRT SCHEMATIC DIAGRAM (CRT PCB) 126.5 J801_1 HPS3200-010501 104.1 127.5 127.5 TP801 R802 BLUE AMP Q804_1 2SC4217 132.5 12K 1W R807 2.7K 1/4W R808 2.7K 1/4W R811 FROM CHROMA/IF TP802 CP851B (CP851A) C809 B2013H02-10P R805 GREEN AMP 470P B Q805_1 CUT_OFF CUT_OFF 2SC4217...
Page 118 OPERATION SCHEMATIC DIAGRAM (OPERATION PCB) OS753 PIC-37143TH5 R766 100 1/4W Vout R778_1 R771_1 R772_1 R773_1 R774_1 820 1/4W 1K 1/4W 1.5K 1/4W 2.7K 1/4W 5.6K 1/4W R775_1 R776_1 R777_1 820 1/4W 1K 1/4W 1.5K 1/4W FROM/TO IN/OUT CD757 (CP757_2) HEADPHONE_JACK CH2A019A J351 HTJ-035-28A...
Page 119 INTERCONNECTION DIAGRAM J351 OPERATION PCB PCB030 HALL MAIN ROTOR TEXA28 SENSOR COIL MAGNET VIDEO AUDIO L FG SENSOR FRONT AV JACK J701_1 TM101 OS753 LOADING MOTOR M101 HALL HALL SWITCH 8 OHM CD352 LOGIC SOUND GND V.OUT SP OUT CP1001 SPEAKER CAP_FG SP351...
Page 120: Deflection
WAVEFORMS Y/C/AUDIO/CCD/HEAD AMP MICON POWER ON 11 PB 1.0V 20µs/div 0.5V 20µs/div 0.5V 0.5ms/div POWER ON POWER ON 13 PB 100mV 0.1µs/div 0.5V 10ms/div 1.0V 5ms/div DEFLECTION POWER ON 17 0.5V 5ms/div 1.0V 10µs/div 10mV 20us/div 10.0V 5ms/div 0.5V 1ms/div 1.0V 10ms/div 19 2.0V 20µs/div 1.0V 5ms/div...
Page 121 WAVEFORMS 20 200mV 20µs/div 21 50.0V 20µs/div 22 50.0V 20µs/div 50.0V 20µs/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
Page 122: Mechanical Exploded Views
MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) L503 V801 PCB030 (OPERATION PCB) SP351 I1-1...
Page 123 MECHANICAL EXPLODED VIEW FB401 PCB010 (SYSCON PCB) I1-2...
Page 124: Chassis Exploded Views
CHASSIS EXPLODED VIEW (TOP VIEW) M2003 UN4001 H5002 H5001 M101 NOTE: Applying positions AA, AB, AC and AD for the CLASS PART NO. MARK grease are displayed for this section. GREASE G-555G Check if the correct grease is applied for each MG-33 position.
Page 125 CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 NOTE: Applying positions AA, AB, AC and AD for the CLASS PART NO. MARK grease are displayed for this section. GREASE G-555G Check if the correct grease is applied for each MG-33 position. FG-84M FL-721 I2-2...
Page 126: Mechanical Replacement Parts List
MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A5A325A720 CABINET,FRONT ASS'Y 85OP700037 HOLDER,LED 752WSA0230 SHIELD,CASE HEAD AMP 753WSA0118 PLATE,EARTH-SYSCON 899HV3T000 HOLDER,ANODE WIRE 702WPA0832 CABINET,BACK 761WPA0225 HOLDER,DECK 735WPAA267 BUTTON,REC 753WUAA006 SPRING,EARTH HEAD AMP 7260000324 SHEET,CRT SERVICEMAN 741WUA0019 SPRING,EARTH 85OP700038 HOLDER,END SENSOR 701WPJB487 CABINET,FRONT 722A08A109...
Page 127: Chassis Replacement Parts List
CHASSIS REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION A5A305A420K DECK ASSY A5A305A420K 8107226804 SCREW,TAP TITE(S) BIND 2.6x8 810A123504 SEMS A M2.3x5.0 85OA400234 PINCH ROLLER BLOCK 8107226404 SCREW,TAP TITE(S) BIND 2.6x4 85OA500026 AHC ASS'Y 8102120604 SCREW,PAN M2x6 85OP200290 BELT,CAPSTAN (S)
Page 128: Electrical Replacement Parts List
ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS DIODES ! R415 R002T22R2J RC 2.2 OHM 1/2W D537 D1VT001330 DIODE,SILICON 1SS133T-77 ! R420 R801R7822F RC 8.2K OHM 1/10W D601 D1VT001330 DIODE,SILICON 1SS133T-77 ! R439 R801R7223F RC 22K OHM 1/10W D602...
Page 129 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION COILS &TRANSFORMERS MISCELLANEOUS ! L502 029T000092 COIL,LINE FILTER 1R0A103F24 ! F501 081PC05004 FUSE 51MS050LCC ! L503 028R140031 COIL,DEGAUSS 8R140031 ! F502 081PC2R504 FUSE 51MS025LCC L601 0331920018 COIL 3192001 ! FB401...
Page 130 M5A3-25A SPEC.NO. K215009 O/R NO.
Page 131 MVT2135B Series E SERVICE MANUAL COLOR TELEVISION/VIDEO CASSETTE RECORDER REVISION 1 MFR’S VERSION B MFR’S VERSION A34JXV70X53N45 A34AGT13X98(L) Please file this revision with the original version.
Page 132 Change of CRT ELECTRICAL REPLACEMENT PARTS LIST MFR'S VERSION C MFR'S VERSION B PART NO. DESCRIPTION PART NO. DESCRIPTION REF. NO. V801 098Q1404B2 CRT W/DY A34AGT13X98(L) 098Y1404B9 CRT W/DY A34JXV70X53N45 IC4001 I03F301MN0 LA71201M-N-MPB I03F3205M0 LA71205M-MPB CONNECTOR PCB SIDE CP351 0694260139 CONNECTOR PCB SIDE 173979-6 069E260659 00_8283_0611_00_000...

Memorex MVT2135B D Series Service Manual

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