Memorex MVT2090 A Series Service Manual

Color television/video cassette recorder
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MVT2090 Series A
SERVICE MANUAL
COLOR TELEVISION/VIDEO CASSETTE RECORDER
ORIGINAL
MFR'S VERSION A
Design and specifications are subject to change without notice.

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Summary of Contents for Memorex MVT2090 A Series

  • Page 1 MVT2090 Series A 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: 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, B1-2 2. REMOVAL OF DECK PARTS ..................... B2-1~B2-6 3.
  • Page 4: General Specifications

    GENERAL SPECIFICATIONS G - 1 CRT Size / Visual Size 9 inch / 222.8mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G / 0.18G Color System NTSC Speaker 1Speaker Position Side Size 3 Inch Impedance Sound Output 10%(Typical) G - 2 V C R System...
  • Page 5 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 On/Off Timer Set System Setup Clock Set Language Auto Clock On/Off Standard Time Daylight Saving Time Commercial Advance...
  • Page 6: Canada V-Chip

    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...
  • Page 7 GENERAL SPECIFICATIONS Tent Card Important Safeguard Dew/AHC Caution Sheet AC Plug Adapter Quick Set-up Sheet Battery UM size x pcs UM4 x 2 pcs AC Cord AV Cord (2Pin-1Pin) Registration Card ESP Card 300 ohm to 75 ohm Antenna Adapter G - 1 5 Interface Switch...
  • Page 8: 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) (CP353, CP401 and CP403). Remove the 4 screws 1. Unlock the support 2.
  • Page 9 DISASSEMBLY INSTRUCTIONS 1-5: DECK SHIELD PLATE (Refer to Fig. 1-5) 1-7: JACK PLATE AND SYSCON PCB (Refer to Fig. 1-7) Remove the 2 screws 1. Remove the screw 1. Remove the screw 2. Remove the Syscon PCB in the direction of arrow (A). Remove the 2 screws 2.
  • Page 10: 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 11 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 12 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 13 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 14 DISASSEMBLY INSTRUCTIONS 2-14: CAPSTAN DD UNIT (Refer to Fig. 2-14) 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 15 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 Unit, Loading Arm T Unit and Main Loading Gear, align each marker. Remove the P4 Cap. Unlock the support 1 and remove the Cassette Guide (Refer to Fig.
  • Page 16: Removal Of Anode Cap

    DISASSEMBLY INSTRUCTIONS 3. 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 17: Removal Of Deflection Yoke

    DISASSEMBLY INSTRUCTIONS 4. Insert one end of the Anode Support into the anode button, then the other as shown in Fig. 3-5. Support Fig. 3-5 Confirm that the Support is securely connected. Put on the Rubber Cap without moving any parts. 4.
  • Page 18: 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. 5-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 19 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. 5-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
  • Page 20: 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 21 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 22: 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 23: 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 24: Audio Control Head

    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 25: 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 30 minutes before Power On or alternatively, discharge backup capacitor.
  • Page 26: 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 27: Preparation For Servicing

    PREPARATION FOR SERVICING How to use the Servicing Fixture Unplug the connector CP353, CP502, CP820 and CP850, then remove the VCR Block from the set. Connect as shown in the below figure using the Service Fixture. • Connect the Syscon PCB to the Main PCB with the cable JG162D and JG162E. •...
  • Page 28: 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 29: Confirmation And Adjustment Of Tape Running Mechanism

    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 30 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 31: Mechanism Adjustment Parts Location Guide

    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 32: 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 TP4201.
  • Page 33 ELECTRICAL ADJUSTMENTS 2-3: VCO FREERUN 2-8: SUB BRIGHTNESS Place the set with Aging Test for more than 10 minutes. Receive the black pattern. (RF Input) Connect the digital voltmeter between the pin 7 and Using the remote control, set the brightness, contranst, pin 1 of CP602.
  • Page 34 ELECTRICAL ADJUSTMENTS 2-10: SUB COLOR 2-13: 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, contranst, until the difference of A and B becomes minimum.
  • Page 35: Electrical Adjustment Parts Location Guide

    ELECTRICAL ADJUSTMENTS 3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (VCR SECTION) TP4201 CP602 TU601 TP4001 TP1001 TP1002 SYSCON PCB D3-4...
  • Page 36 ELECTRICAL ADJUSTMENTS (TV SECTION) FOCUS VOLUME SCREEN VOLUME T502 VR502 FB401 VR501 T501 F502 VR402 MAIN PCB TP801 TP803 J801 CRT PCB D3-5...
  • Page 37: Purity And Convergence Adjustments

    ELECTRICAL ADJUSTMENTS 4-3: STATIC CONVERGENCE 4. PURITY AND 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 38: Micon/In/Out

    TV BLOCK DIAGRAM V. OUTPUT IC IC401 AN5522 THERMAL PROTECTION PUMP 8.7VREF 5.7VREF AT+13V Q601 TU_AUDIO 5.7VREF(P.C0N) Y/C/AUDIO/CCD/ TU_VIDEO BUFFER HEAD AMP Y/C_AUDIO Q405 Q406 CHROMA IC IC601 M61206FP H. OUTPUT H-DRIVE 33 39 46 AUDIO OUT FB401 RF AGC OUT TU601 SAW FILTER VIF IN...
  • Page 39: Y/C/Audio/Ccd/Head Amp Block Diagram

    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 3.58M BPF2 CP4001 CLAMP AUTO-BIAS Main CONV Y/C_CLK SP-CH2 (L) MICON/ SERAIL Y/C_DATA IN/OUT DECODER SP_COM B-UP Y/C_CS SP-CH1 (R) C-LPF 3.58M BPF1 SYNC C-ROT VIDEO H.
  • Page 40 MICON/IN/OUT BLOCK DIAGRAM TIMER SYSCON MICON IC IC1001 OEC7071A SW1001 SYSTEM RESET IC RESET-L 1 OUT TAB SW IC1003 R3111N311A/C-TR POWER FAIL2 AT+5.6V POWER_FAIL_L MSSEN-A P. CON+5V X-OUT(12MHz) MS_SEN A X1001 FRONT_A J4204 Q1009 12MHz X-IN(12MHz) XC-OUT(32KHz) MSSEN-B X1002 FRONT_V J4205 MS_SEN B 32.768KHz...
  • Page 41: Printed Circuit Boards Main/Crt Solder Side

    PRINTED CIRCUIT BOARDS MAIN/CRT SOLDER SIDE S802Y CP820 W831 W040 CP803A C514 D505 D518 ICP502 T502 CP502 D515 W020 W019 R517 D537 D523 R523 D524 C542 VR501 C529 C511 R423 D550 VR502 R527 D521 W823 Q514 W029 Q516 HS504 C535 FB401 Q503 C534...
  • Page 42: Syscon

    PRINTED CIRCUIT BOARDS SYSCON (INSERTED PARTS) SOLDER SIDE CD604 W174 W172 W173 W079 IC351 W077 C354 Q1013 HS351 W002 W001 CD601 W159 W120 W028 W119 X4001 L607 W833 L608 W131 SW1001 W044 W130 CF604 W043 D611 W184 W042 L4006 W129 W041 W182 W128...
  • Page 43 PRINTED CIRCUIT BOARDS SYSCON (CHIP MOUNTED PARTS) SOLDER SIDE Q4204 R3001 R1048 Q3002 Q4206 Q4205 C602 Q604 C1024 Q4210 C1042 Q4212 R4232 R1083 C4212 R1003 Q1004 Q4203 R1012 C1064 C1027 C1019 C4069 Q603 C1025 R1011 Q1006 C1028 C1017 R1058 R655 C1065 R1017 R1015...
  • Page 44: Y/C/Audio/Ccd/Head Amp Schematic Diagram

    Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) BUFFER Q4012 2SC2412K R4041 1.8K FROM REGULATOR FROM/TO IN/OUT P.CON+5V REAR_A REAR_V C4058 FRONT_A FRONT_V 6.3V Y/C_AUDIO C4059 CHROMA_V R4038 C4061 680K 0.01 FROM/TO MICON Y/C_CLK C4079 Y/C_DATA 100P CH Y/C_CS V.REC_ST_H VCR_A_MUTE C4016 COMP OUT ALWAYS 4Fsc...
  • Page 45: Micon Schematic Diagram

    MICON SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO REGULATOR D1005 D1006 SB140-EIC AT+5.6V SB140-EIC MOTOR_GND P.CON+5V C1041 AT+12V 0.1 F X-RAY_STOP C1034 SERVICE POWER_FAIL[DC] TP1001 0.1 F C1035 FROM/TO Y/C/AUDIO/CCD/HEAD AMP R1015 AT+5V 220P CH Y/C_CLK POWER_FAIL Y/C_DATA POWER FALL C1031 Y/C_CS Q1006 2SA1037AK 0.001 B...
  • Page 46: Regulator Schematic Diagram

    REGULATOR SCHEMATIC DIAGRAM (SYSCON PCB) TO Y/C/AUDIO/CCD/HEAD AMP P.CON+5V 11.7 P.CON+8V REG. Q3007 D3003 FROM/TO MICON 2SD400E P.CON+5V[CHROMA] 1N4005-EIC REG. Q3006 AT+5.6V 2SD400E P.CON+5V[TU1] AT+12V REG. REG. P.CON+5V Q3001 Q3005 MOTOR_GND 2SB1131 2SD400E AT+13V X-RAY_STOP POWER_FAIL[DC] R3008 R3001 8.7VREF 100 1/4W FROM/TO CHROMA R3007 5.7VREF[PCON]...
  • Page 47: In/Out Schematic Diagram

    IN/OUT SCHEMATIC DIAGRAM (SYSCON PCB) L4201 100uH Vout OS4201 PIC-37243SR J4204 J4205 AV1-09D-4 AV1-09D-3 R4207 R4208 R4210 FRONT A/V JACkK (MONO) 1.5K R4211 R4214 R4215 R4216 R4217 5.6K 2.7K 1.5K REC LED SW T-REC LED SW Q4205 Q4206 TV POWER SW KRC102SRTK KRC102SRTK Q4204...
  • Page 48: Chroma Schematic Diagram

    CHROMA SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MICON PROTECT POWER_FAIL OSD_R OSD_G OSD_B OSD_BLK L608 C663 390P CH L614 100uH 0305 150uH AFT_M TUNER_V VCR_POWER_H B602 R620 W4BRH3.5X6X1 X-RAY_TEST BUFFER TV_POWER_H Q601 CF604 C648_1 H_CTL 2SA1037AK R651 EFCT4R5MW5 CHROMA_V IIC_OFF FROM/TO Y/C/AUDIO/CCD/HEAD AMP R650 CF603 W850...
  • Page 49: Sound Amp Schematic Diagram

    SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) CD351 CP353 B2B-EH-A CH12437A SPEAKER SP OUT + SP OUT - SP351 SG08G26BNB 8 OHM R301 FROM MICON HEADPHONE JACK R359 R360 56 1/2W W821 J351 TV_A_MUTE MSJ-2000 56 1/2W C362 TV_POWER_H KANP C363 C364 FROM/TO CHROMA W827...
  • Page 50: Tv Power Schematic Diagram

    TV POWER SCHEMATIC DIAGRAM +5V_REG IC IC501 KIA7805API DC JACK J503 (MAIN PCB) HEC0824-010010 RY503 ALKS325 D550 MTZJ5.6B D502 R549 CAUTION: DIGITAL TRANSISTOR 1SS133 DC POWER SW 220 1/4W Q501 KTC3198 PROTECTOR DC POWER SW. Q518 Q511 10.9 PROTECTOR DTC114ES KTC3198 Q503 PROTECTOR/...
  • Page 51: Deflection Schematic Diagram

    DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) CP403 A1561WV2-2P DEGAUSS COIL L508 K001 K002 K003 V.OUTPUT IC IC401 AN5522 8R090008 TMM17538 TMM17538 TMM17538 W888 THERMAL PROTECTION PUMP UP DEGAUSE SW Q401 26.3 12.5 25.9 KRA102MAT W884 FROM/TO DY DY801 KDY3CFB23M CP401 B04B-DVS TO CRT CD801_1 8M82025A...
  • Page 52: Crt Schematic Diagram

    CRT SCHEMATIC DIAGRAM (CRT PCB) 132.9 104.1 132.8 132.5 FROM CHROMA TP801 R802 CP850 (CD850) J801 52147-0510 HPS3200-010501 15K 1W RED AMP CUT OFF Q804 KTC3207 G.OUT 132.5 R807 R.OUT 2.7K 1/2W B.OUT R811 470 1/4W C809 TP802 680P B R805 15K 1W GREEN AMP...
  • Page 53: Interconnection Diagram

    INTERCONNECTION DIAGRAM TM101 OS4201 FROM TM101 OS4201 FRONT A/V JACK (MONO) J4204 J4205 HALL MAIN ROTOR SENSOR COIL MAGNET FG SENSOR V.OUT HEADPHONE JACK HEADPHONE JACK J351 J352 LOADING MOTOR M101 HALL HALL SWITCH LOGIC CP1002 CAP_FG CAP_VCO CAP/M/F/R I_LIMIT MOTOR_GND LD/CY_VCO CAP_CTL...
  • Page 54: Y/C/Audio/Ccd/Head Amp

    WAVEFORMS Y/C/AUDIO/CCD/HEAD AMP MICON POWER ON 11 PB 0.5V 20µs/div 1.0V 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 TV POWER POWER ON 15 5.0V 20ms/div 1.0V 10µs/div 10mV 20us/div 16 500mV 5µs/div 1.0V 10ms/div 0.5V 1ms/div DEFLECTION...
  • Page 55: Waveforms

    WAVEFORMS 10.0V 5ms/div 50.0V 20µs/div IN/OUT 19 2.0V 20µs/div 0.5V 1ms/div 20 200mV 20µs/div 0.5V 20µs/div CHROMA/IF 21 50.0V 20µs/div 200mV 20µs/div SOUND AMP 22 50.0V 20µs/div 200mV 2ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 56: Mechanical Exploded Views

    MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) L508 CD602 V801 FB401 PCB070 (MAIN PCB) SP351 I1-1...
  • Page 57 MECHANICAL EXPLODED VIEW TU601 PCB010 (SYSCON PCB) I1-2...
  • Page 58: Chassis Exploded Views

    CHASSIS EXPLODED VIEW (TOP VIEW) M2003 UN4001 H5002 H5001 D1100 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 position.
  • Page 59: Chassis Exploded View (Bottom View)

    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 position. MG-33 FG-84M FL-721 I2-2...
  • Page 60: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A5B004I720 CABINET,FRONT ASS'Y 701WPJB521 CABINET,FRONT 752WSAA033 SHIELD,IC 712WPJB073 FLAT,FLAP 743WKA0032 SPRING,FLAP(COMBO) 713WPA0136 GUIDE,REMOCON 713WPA0135 GLASS,LED 735WPBA257 BUTTON,FRAME 738WPAA009 BUTTON,BASE 753WSA0118 PLATE,EARTH-SYSCON 800WFA0037 CUSHION 15x5xT=6 800WFA0038 CUSHION 10x10xT=2 752WSAA028 SHIELD BOTTOM 752WSA0230 SHIELD,CASE HEAD AMP 753WSA0144 PLATE,BOTTOM-EARTH 753WUAA006 SPRING,EARTH HEAD AMP 761WPA0230 HOLDER,DECK...
  • Page 61: Chassis Replacement Parts List

    CHASSIS REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION A5B005B420A DECK ASS'Y A5B005B420A 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 62: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS DIODES ! R404 R4X5T6152F R,METAL 1.5K OHM 1/6W ! D509 D2WXRU2AM0 DIODE SILICON RU2AM-EIC R409 R3X181271J R,METAL OXIDE 270 OHM 1W ! D510 D2WXRU2AM0 DIODE SILICON RU2AM-EIC ! R439 R4X5T6273F R,METAL...
  • Page 63: Variable Resistors

    ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION TRANSISTORS COILS &TRANSFORMERS Q401 TPATB03003 COMPOUND TRANSISTOR KRA102MAT L4001 02167F220J COIL Q402 TF2002P4M0 THYRISTOR 2P4M L4003 02167F101J COIL 100 UH Q404 TNATJ03003 COMPOUND TRANSISTOR KRC111MAT L4004 02167F220J COIL ! Q405 TC5T01627Y TRANSISTOR SILICON...
  • Page 64 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION MISCELLANEOUS CD4001 122F061502 CORD JUMPER 2F061502 CP1001 069R220021 CONNECTOR PCB SIDE 52287-0211 CP1002 06972C0010 CONNECTOR PCB SIDE TMC-J12P-B2 CP4001 0697240600 CONNECTOR PCB SIDE TOC-C04X-B1 CP4002 069J760029 CONNECTOR PCB SIDE IMSA-9604S-06Z14 CP4003 0697120320 CONNECTOR PCB SIDE TMC-T02X-E1 CP803A...
  • Page 65 M5B0-04I SPEC.NO. W1Y5008 O/R NO.

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