Toshiba MV13DM2 Service Manual
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Toshiba MV13DM2 Service Manual

Toshiba color television/ video cassete recorder
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FILE NO. 140-200211
SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
MV13DM2

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Summary of Contents for Toshiba MV13DM2

  • Page 1 FILE NO. 140-200211 SERVICE MANUAL COLOR TELEVISION/ VIDEO CASSETTE RECORDER MV13DM2...

  • 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: Tape Removal Method At No Power Supply

    TAPE REMOVAL METHOD AT NO POWER SUPPLY Remove the VCR block from the main unit. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Remove the screw 1 of the Deck Chassis and remove the Loading Motor. Rotate the Pinch Roller Cam in the direction of the arrow by hand to slacken the Video Tape. Rotate the Clutch Ass'y either of the directions to wind the Video Tape in the Cassette Case.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SERVICING NOTICES ON CHECKING ..................A1-1 HOW TO ORDER PARTS ......................A1-1 TAPE REMOVAL METHOD AT NO POWER SUPPLY ............A1-2 TABLE OF CONTENTS ......................A2-1 GENERAL SPECIFICATIONS ....................A3-1~A3-5 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS ..........B1-1, B1-2 2.

  • Page 5: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 13 inch / 335.4mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G / 0.18G Color System NTSC Speaker 1Speaker Position Front Size x 2.5 Inch Impedance Sound Output 1.25 10%(Typical) System VHS Player / Recorder System Video System...
  • Page 6 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Character 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...
  • Page 7 GENERAL SPECIFICATIONS G-12 Remote Unit RC-DQ Control Glow in Dark Remocon Format Custom Code 40-BFh , 44-BBh Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys Keys Power CH Up CH Down Volume Up Volume Down Input Select Play F.Fwd...
  • Page 8 GENERAL SPECIFICATIONS G-14 Accessories Owner's Manual Language English w/Guarantee Card Remote Control Unit Battery UM size x pcs UM-4 x 2 pcs OEM Brand Rod Antenna Poles Terminal w/300 ohm to 75 ohm Antenna Adapter Loop Antenna Terminal U/V Mixer 300 ohm to 75 ohm Antenna Adapter Antenna Change Plug DC Car Cord (Center+)
  • Page 9 GENERAL SPECIFICATIONS G-18 Carton Master Carton Content Material Dimensions W x D x H(mm) Description of Origin Gift Box Material Double/White Dimensions W x D x H(mm) 423 x 447 x 443 Design As per Buyer's Description of Origin Drop Test Natural Dropping At 1 Corner / 3 Edges / 6 Surfaces Height (cm)

  • Page 10: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 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) (CP401, CP403, CP503 and CP304). Remove the 4 screws 1. Unlock the support 2.
  • Page 11 DISASSEMBLY INSTRUCTIONS 1-5: DECK SHIELD PLATE AND BOTTOM SHIELD 1-7: JACK PLATE AND SYSCON PCB (Refer to Fig. 1-7) (Refer to Fig. 1-5) Remove the screw 1. Remove the 2 screws 1. Remove the Syscon PCB in the direction of arrow (A). Remove the screw 2.

  • Page 12: 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 13 DISASSEMBLY INSTRUCTIONS 2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A) 2-7: TENSION ASS'Y (Refer to Fig. 2-7-B) Remove the screw 1. Turn the Pinch Roller Cam clockwise so that the Remove the Loading Motor. Tension Holder hook is set to the position of Fig. 2-7-A Remove the Worm.
  • Page 14 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 15 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 16 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 17 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 18: Removal Of Anode Cap

    DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction 3. REMOVAL OF ANODE CAP 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 19: 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 20 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 21: 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 22 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 23: 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 24: 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 25 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 26: 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 27: Servicing Fixtures And Tools

    SERVICING FIXTURES AND TOOLS Alignment Tape Back tension cassette gauge Torque cassette gauge Taper nut driver (KT-300NR) ST-N5 ST-NF 70909103 70909199 70909228 VTR cleaning kit VTR lubrication kit Grease JG002B Adapter JG002E Dial Torque Gauge (10~90gf•cm) JG002F (60~600gf•cm) JG022 Master Plane JG024A Reel Disk Height JG153 X Value Adjustment JG154 Cable...

  • 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 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 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 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 6 of CP602.
  • Page 33 ELECTRICAL ADJUSTMENTS 2-3: RF AGC 2-8: HORIZONTAL PHASE Receive the VHF HIGH (63dB). Receive the monoscope pattern. Connect the digital voltmeter between the pin 5 of Using the remote control, set the brightness and CP602 and the pin 1 (GND) of CP602. contrast to normal position.
  • Page 34 ELECTRICAL ADJUSTMENTS 2-13: SUB CONTRAST White 0% Activate the adjustment mode display of Fig. 1-1 and press the channel button (14) on the remote control to select "CONTRAST". Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "100". 100% Receive a broadcast and check if the picture is normal.
  • Page 35 ELECTRICAL ADJUSTMENTS 2-19: COLOR LEVEL Receive the color bar pattern. (RF Input) Connect the oscilloscope to pin 6 of CP602. When setting to the Y-LEVEL 100%, check if the MAGENTA is 45 ± 10%. (Refer to Fig. 2-5) 100% Magenta Fig.
  • Page 36 ELECTRICAL ADJUSTMENTS 3. 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.
  • Page 37 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) MAIN PCB CP803A CP502 FB401_1 T502_1 VR501 VR502 CRT PCB R544 CP503 T501 J801 CP801 CD503 CP850 CP401 VR401 VR402 CP402 S501 CP403 L508 S502 AC IN CP602_1 CD502 CP601_1 CP4002 CP605 DEW SENSOR...
  • Page 38 MECHANICAL EXPLODED VIEW PCB110 (CRT PCB) PCB070 (MAIN PCB) I1-1...
  • Page 39 MECHANICAL EXPLODED VIEW PCB010 (SYSCON PCB) I1-2...
  • Page 40 CHASSIS EXPLODED VIEW (TOP VIEW) CD1501 M2003 UN4001 H5002 H5001 D1100 CD1502 M101 NOTE: Applying positions AA for the grease are CLASS MARK displayed for this section. GREASE Check if the correct grease is applied for each position. I2-1...
  • Page 41 CHASSIS EXPLODED VIEW (BOTTOM VIEW) CD1501 M2001 CD1502 NOTE: Applying positions AA for the grease are CLASS MARK displayed for this section. GREASE Check if the correct grease is applied for each position. I2-2...
  • Page 42 MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ310357 A5A3A2C720 CABINET,FRONT ASSY BZ710248 752WSAA028 SHIELD,BOTTOM BZ710466 752WSA0230 SHIELD,CASE HEAD AMP BZ710497 85OP700037 HOLDER,LED BZ710631 761WPAA055 HOLDER,DECK BZ710610 753WSA0144 PLATE,BOTTOM-EARTH BZ710651 771WPA0273 PLATE,JACK BZ710508 755WPA0026 PLATE,COVER LIGHT BZ710252 800WFA0038 CUSHION 10x10xT=2...
  • Page 43 CHASSIS REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ310358 A5A319C420K DECK ASSY A5A319C420K BZ710564 85OA400234 PINCH ROLLER BLOCK BZ710514 85OP900746 BRACKET,TOP 3V BZ710193 85OP200290 BELT,CAPSTAN (S) BZ710515 85OP600581 WORM BZ710094 85OP500083 BASE,AC HEAD BZ710112 85OP800324 SPRING,AC HEAD BZ710516 85OA000459 MAIN CHASSIS ASS'Y...
  • Page 44 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R404 BZ210112 R4X5T6152F R,METAL 1.5K OHM 1/6W ! R409 BZ210240 R3X181221J R,METAL OXIDE 220 OHM 1W ! R432 BZ210241 R655U2010J R,FUSE OHM 1/2W ! R442 BZ210114 R4X5T6123F R,METAL 12K OHM 1/6W ! R443...
  • Page 45 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES ! D412 BZ410014 D2LTPG06J0 DIODE,SILICON RMPG06J-G3 ! D413 BZ410014 D2LTPG06J0 DIODE,SILICON RMPG06J-G3 D501 BZ410061 D97U01001B DIODE,ZENER MTZJ10B T-77 D502 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 ! D503 BZ410062 D2WTRM11C0 DIODE,SILICON RM11C-EIC ! D504 BZ410062...
  • Page 46 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description IC1001 BZ611093 I56F57071A OEC7071A IC1002 BZ611057 IC7J0311A0 R3111N311A/C-TR IC1099 BZ310353 A5A3A2C015 S-24C04BDP-LA IC4001 BZ611095 I03F3205M0 LA71205M-MPB TRANSISTORS Q350 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q401 BZ510086 TPATB03003 COMPOUND TRANSISTOR KRA102MAT Q402 BZ510052 TF2002P4M0...
  • Page 47 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description COILS &TRANSFORMERS L4007 BZ310171 032623004T COIL,TRAP STP-01064 L4008 BZ310041 02167F101J COIL 100 UH L4009 BZ310039 02167F220J COIL T401 BZ310157 045009003J TRANS,HORIZONTAL DRIVE ETH09K14BZ T501 BZ310160 0481290804 TRANSFORMER,SWITCHING 81290804 T502 BZ310177 048133020S TRANSFORMER,SWITCHING...
  • Page 48 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS CP820B BZ614304 067U013029 WIRE HOLDER B2013H02-13P CUS012 BZ710148 800WFAA007 CUSHION B CUS013 BZ710149 800WFAA008 CUSHION C EL001 BZ614043 124116281A EYE LET XRY16X28BD EL002 BZ614044 124120301A EYE LET XRY20X30BD ! F501 BZ614177 081PC05004...
  • Page 49 TV BLOCK DIAGRAM V. OUTPUT IC IC401 AN5522 MICON/IN/OUT THERMAL PROTECTION PUMP 8.7VREF AT+13V Q601 TU_AUDIO 5.7VREF(P.C0N) Y/C/AUDIO/CCD/ TU_VIDEO BUFFER HEAD AMP MINITOR_A CHROMA/IF IC Q405 Q406 IC601 M61206FP H-DRIVE H. OUTPUT 33 39 AUDIO OUT FB401 RF AGC OUT TU601 SAW FILTER VIF IN...

  • Page 50: Y/C/Audio/Head Amp

    Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM X4001 3.579545MHz Q4010 Q4012 BUFFER BUFFER Y/C/AUDIO/HEAD AMP IC IC4001 LA71205M-MPB VX01 TIMMING DRIVER 3.58M BPF2 CLAMP CP4001 CLAMP AUTO-BIAS Main CONV Y/C_CLK SP-CH2 (L) SERAIL MICON/ Y/C_DATA DECODER IN/OUT SP_COM B-UP Y/C_CS SP-CH1 (R) C-LPF 3.58M BPF1 VIDEO...
  • Page 51 MICON/IN/OUT BLOCK DIAGRAM TIMER SYSCON MICON IC IC1001 OEC7071A SW1001 SYSTEM RESET IC RESET-L 1 OUT IC1002 TAB SW 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 J2203 Q1009 12MHz X-IN(12MHz) XC-OUT(32KHz) MSSEN-B X1002 J2202 FRONT_V MS_SEN B 32.768KHz...

  • Page 52: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS MAIN/CRT SOLDER SIDE CP820 S804Y W040 W831 CP502 CP803A C514 W007 D505 D518 D515 W020 ICP502 C540 W019 C542 R517 C511 W842 R523 T502_1 D524 D537_1 VR501 R423 W001 D550 VR502 D523 R527 W823 D521 Q514 W029 HS504 Q516 W824...
  • Page 53 PRINTED CIRCUIT BOARDS SYSCON (INSERTED PARTS) CD601 SOLDER SIDE R668 W902 IC603 CP304_2 R1059 CP601_1 TP001 W996 HS603_1 W011 S109Y R669 W082 R2225 C684 C612 W081 D1014 Q605 Q610 W080 TU601 R2226 R695 W078 C610 W076 C4225 W075 W006 Q606 R2210 W072 W860...
  • Page 54 PRINTED CIRCUIT BOARDS SYSCON (CHIP MOUNTED PARTS) SOLDER SIDE R4201 C4218 C4221 C4204 C2206 C2210 R2214 Q350 R2219 Q651 R657 C698 C2207 W985 R4039 R2215 C4022 C4066 W393 C4064 R4012_1 R4042 C633 C657 R4041 C651 C656 R670 W361 R4038 Q4012 R678 R4011 Q4010...
  • Page 55 Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) BUFFER Q4012 2SC2412K R4041 1.8K FROM/TO IN/OUT FROM POWER MONITOR_A FRONT_V_IN P.CON+5V FRONT_A_IN_L (S801) W988 C4058 6.3V C4059 0.1 B R4038 C4061 FROM/TO MICON 680K 0.01 B Y/C_CLK Y/C/AUDIO/HEAD AMP IC IC4001 C4078 Y/C_DATA LA71205M-MPB Y/C_CS 0.1 B...

  • Page 56: Micon

    MICON SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO POWER W874 AT+5V[BACKUP] R1004 AT+5V[UCON] C1056 C1045 100P CH P.CON+5V C1044 W871 W823 AT+12V C1065 100P CH C1009 W860 0.1 B C1034 220P CH MOTOR_GND W993 POWER_FAIL 0.1 B FROM/TO Y/C/AUDIO/HEAD AMP SERVICE X-RAY_STOP BUFFER TP1001 Q1008...

  • Page 57: Power

    POWER SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO TV POWER CP601_1 (CP502) 003P-2100 TO Y/C/AUDIO/HEAD AMP P.CON+5V 12.6 REG. FROM/TO DEFLECTION Q608 2SC13840W CD601 (CP402) CH01006A REG. Q606 2SC13840W D610 REG. TO MICON SB140-EIC Q605 2SC13840W AT+12V R690 MOTOR_GND AT+5V[UCON] 1K 1/2W D611 AT+5V[BACKUP] SB140-EIC...

  • Page 58: In/Out

    IN/OUT SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO SOUND AMP C4201 SOUND_GND 0.01 B SOUND_L+ SP_OUT_L C4205 0.01 B FRONT_A_IN_L REC LED SW W842 FRONT_V_IN Q4205 KRC102SRTK OS2202 (W205) REC_LED T-REC LED SW PIC-37243SR Q4206 KRC102SRTK Vout FROM POWER AT+5V[UCON] R2211 R2214 R2216 R2218 R2220...
  • Page 59 CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MICON W829 DEGAUSS_H POWER_FAIL FROM/TO Y/C/AUDIO/HEAD AMP OSD_R R654 OSD_G R616 820 1/4W VIDEO_OUT OSD_B MONITOR_A OSD_BLK TU1_AUDIO R620 CF604 TU1_VIDEO BUFFER EFCT4R5MW5 C648 AFT_M Q601 2SA1037AK TO SOUND AMP VCR_POWER_H TV_POWER_H SOUND+B X_RAY_TEST AUDIO_OUT PROTECT SOUND_GND...
  • Page 60 SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) SOUND AMP IC IC351 AN7523 R357 100K 1/4W HS353 763WSA0021 C358 0.1 B S817X FROM/TO IN/OUT FROM CHROMA/IF SP_OUT_L B301 SOUND+B SOUND_L+ W5RH3.5X5X1.0 W944 AUDIO_OUT SOUND_GND SOUND_GND CP304_2 CD304 SPEAKER A2502WV2-2P CU12414A SP351 SP OUT L+ SG04D11BNA SOUND L- 8 OHM...
  • Page 61 Hi-Fi SCHEMATIC DIAGRAM (SYSCON PCB) FROM POWER P.CON+5V PCB010 VMA245 NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE G-13 G-14...
  • Page 62 IF SCHEMATIC DIAGRAM (SYSCON PCB) TO CHROMA/IF MONITOR_V FROM Y/C/AUDIO/HEAD AMP VIDEO_OUT VIDEO_OUT PCB010 VMA245 NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME TUNER VIDEO SIGNAL OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE G-16 G-15...
  • Page 63 TV POWER SCHEMATIC DIAGRAM +5V_REG IC IC501 KIA7805API DC JACK (MAIN PCB) J503 HEC0824-010010 5A 125V 10A 125V RY503 ALKS325 D550 CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE MTZJ6.8B 5A 125V (F501) AND 10A 125V(ICP502). D502 ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE...
  • Page 64 DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) CP403 A1561WV2-2P DEGAUSS COIL L508 V.OUTPUT IC IC401 AN5522 8R140024 W888 THERMAL PROTECTION W841 TO DY PUMP UP CP401_1 A1561WV2-A5P DEGAUSE SW Q401 26.3 12.5 25.9 KRA102MAT W886 W884 TO CRT CD801_1 SM1098-009-1A R431 V801 390 1/4W A34JXV70X53N45 R413...
  • Page 65 CRT SCHEMATIC DIAGRAM (CRT PCB) 132.9 104.1 132.8 132.5 FROM CHROMA/IF TP801 R802_1 CP850 (CP805) J801 52147-0510 HPS3200-010501 15K 2W CUT_OFF G.OUT R807 R.OUT RED AMP 2.7K 1/2W Q804_1 B.OUT 132.5 KTC4217(O,Y) R811 330 1/4W C809 TP802 560P B R805_1 15K 2W GREEN AMP Q805_1...
  • Page 66 INTERCONNECTION DIAGRAM HEADPHONE JACK J2201 COMMAND TRANSMITTER REMOCON SENSOR TM101 OS2202 FROM FRONT VIDEO JACK FRONT AUDIO JACK TM101 J2202 J2203 Vout OS2202 HALL MAIN ROTOR SENSOR COIL MAGNET FG SENSOR HALL HALL SWITCH LOGIC CP1001 CAP_FG CAP_VCO CAP/M/F/R SPEAKER CD304 CP304_2 I_LIMIT...
  • Page 67 WAVEFORMS Y/C/AUDIO/HEAD AMP MICON POWER ON 1.0V 5ms/div 0.5V 20µs/div 1.0V 10µs/div DEFLECTION POWER ON POWER ON 17 0.5V 5ms/div 100mV 0.1µs/div 0.5V 10ms/div 9 POWER ON 18 200mV 20µs/div 1.0V 20µs/div 10mV 20µs/div 10.0V 5ms/div 0.5V 1ms/div 1.0V 10ms/div 11 PB 20 50.0V 20µs/div 10.0V 5µs/div...

  • Page 68: Chroma/If

    WAVEFORMS 21 50.0V 20µs/div 50.0V 20µs/div CHROMA/IF 100mV 20µs/div 200mV 20µs/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 69 TOSHIBA VIDEO PRODUCTS PTE. LTD. 438B ALEXANDRA ROAD, BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...

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