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.
TAPE REMOVAL METHOD AT NO POWER SUPPLY Remove the TV/DVD/VCR block from the main unit and the Fig. 1 below can be seen. (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.
PARENTAL CONTROL - RATING LEVEL 4 DIGIT PASSWORD CANCELLATION If the stored 4 digit password in the Rating Level menu needs to be cancelled, please follow the steps below. Turn Unit ON. Press and hold the '7' key on the remote control unit. Simultaneously press and hold the 'STOP' key on the front panel.
CONTENTS SERVICING NOTICES ON CHECKING ..............A1-1 HOW TO ORDER PARTS ................... A1-1 TAPE REMOVAL METHOD AT NO POWER SUPPLY ..........A1-2 DISC REMOVAL METHOD AT NO POWER SUPPLY ..........A1-2 PARENTAL CONTROL - RATING LEVEL ..............A1-3 TRAY LOCK ........................ A1-3 CONTENTS .........................
Page 6
GENERAL SPECIFICATIONS CRT Size / Visual Size 21 inch / 508.0mmV System CRT Type Flat Deflection degree Magnetic Field BV/BH + 0.45 G / 0.18 G Color System Speaker 2 Speaker Position Front Size 1.8 x 3.9 Inch Impedance Sound Output 1.5W + 1.5W 10%(Typical) 1.5W + 1.5W...
Page 7
GENERAL SPECIFICATIONS Signal Video Signal Input Level 1 V p-p/75 ohm Output Level 1 V p-p/75 ohm 65dB S/N Ratio (Weighted) at DVD Mode 53dB S/N Ratio (Weighted) at VCR Mode 400 Lines Horizontal Resolution at DVD Mode 240 Lines Horizontal Resolution at VCR(SP)Mode RGB Signal Output Level...
Page 8
GENERAL SPECIFICATIONS G-10 On Screen Menu Display Menu Type Character (TV/VCR) Timer Rec Set Channel Setup Auto Tuning Ch Mapping Ch Tuning Ch Allocation TV Setup On/Off Timer Set Picture Audio NICAM Auto On/Off VCR Setup Auto Repeat On/Off System Select Scene Repeat System Setup Clock Set...
Page 9
GENERAL SPECIFICATIONS G-11 On Screen Menu (DVD) Display Menu Type Character Language OSD Language Menu SubTitle Audio Picture TV Screen Size OSD Display On/Off Sound DRC (Dynamic Range Control) dts Decode Output(5.1ch/ 2ch) Surround On/Off Center On/Off Sub Woofer On/Off Parental Password Lock/ Un Lock Rating Level...
Page 10
GENERAL SPECIFICATIONS G-14 Remote Unit(for TOSHIBA) RC-GN Control Glow in Dark Remocon Unit Format Custom Code 71-8E Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys TV/VCR Power 0/AV CH / Page Up CH / Page Down...
GENERAL SPECIFICATIONS G-15 Features Auto Head Cleaning Auto Tracking HQ (VHS Standard High Quality) Auto Power On, Auto Play, Auto Rewind, Auto Eject VIDEO PLUS+(SHOWVIEW,G-CODE) CH Auto Setup/Auto Clock Forward / Reverse Picture Search TV Auto Shut off Function Index Search SQPB CM Skip(30sec x 6 Times) VM Circuit...
Page 12
GENERAL SPECIFICATIONS G-17 Interface Switch Front Standby Channel Up Channel Down Volume Up Volume Down Play (VCR) Stop / Eject (VCR) F.FWD/Cue (VCR) Rew/Rev (VCR) REC/OTR (VCR) Play (DVD) Stop (DVD) Skip+/Search+ (DVD) Skip-/Search- (DVD) Open/Close (DVD) Input Select Main Power SW Indicator Standby Yes(Red)
DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: POWER SW PCB (Refer to Fig. 1-3) Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connector: (CP1704). 1-1: BACK CABINET (Refer to Fig. 1-1) Remove the Power SW PCB in the direction of arrow. Remove the 6 screws 1.
Page 14
DISASSEMBLY INSTRUCTIONS 1-5: FILTER PCB (Refer to Fig. 1-5) 1-7: TOP SHIELD (Refer to Fig. 1-7) Remove the screw 1. Remove the 11 screws 1. Disconnect the following connector: (CP504). Remove the Top Shield in the direction of arrow. Remove the Filter PCB in the direction of arrow. Top Shield Filter PCB TV/DVD/VCR Block...
Page 15
DISASSEMBLY INSTRUCTIONS 1-9: OPERATION PCB/DVD PCB/DVD DECK 1-10: VCR DECK (Refer to Fig. 1-10) (Refer to Fig. 1-9) NOTE Make the short circuit on the position as shown Fig. 1-9 Do not remove the cable at the FE Head section. The FE using a soldering.
DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF VCR DECK PARTS NOTE In case of the Locker R installation, check if the one 2-1: TOP BRACKET (Refer to Fig. 2-1) position 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 17
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 18
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 19
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 20
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 21
DISASSEMBLY INSTRUCTIONS NOTE 2-18: CASSETTE GUIDE POST/INCLINED BASE S/T UNIT/P4 CAP/LED REFLECTOR 1. When you install the Loading Arm S Unit, Loading Arm (Refer to Fig. 2-18-A) T Unit and Main Loading Gear, align each marker. (Refer to Fig. 2-16-B) Remove the P4 Cap.
DISASSEMBLY INSTRUCTIONS 3. REMOVAL OF DVD DECK PARTS NOTE 1. In case of the Main Chassis Ass'y, install it from (1) to NOTE (6) in order. (Refer to Fig. 3-2-B) 1. Do not disassemble the DVD DECK PARTS except listed parts here. Minute adjustments are needed if the Main Chassis Ass'y disassemble is done.
Page 23
DISASSEMBLY INSTRUCTIONS NOTE Main Chassis Ass'y When installing the Clamper Magnet, install it with the green face up. When installing the wire of the Lever Switch, install it correctly as Fig. 3-4-B. When installing the Lever Switch, install it correctly as Traverse Holder Fig.
Page 24
DISASSEMBLY INSTRUCTIONS NOTE 3-9: GEAR (Refer to Fig. 3-9-A) Unlock the support 1. After the assembly of the Rack Feed, check if the Rack Remove the Middle Gear 1/2/3, Idler Gear and Feed Feed 1/2 is moving smoothly. (Refer to Fig. 3-7-B) Gear.
Page 25
DISASSEMBLY INSTRUCTIONS NOTE NOTE In case of the Idler Arm installation, install as the circled In case of the Motor Gear installation, check if the value section of Fig. 3-10-B. of the Fig. 3-11-B is correct. In case of the Idler Arm Spring installation, install as the When installing the Feed Motor, check if the cable is circled section of Fig.
DISASSEMBLY INSTRUCTIONS 4. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.
DISASSEMBLY INSTRUCTIONS REMOVAL AND INSTALLATION OF When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using FLAT PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 5-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
Page 28
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.
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 30
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...
SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit or on the main unit and on the remote control for more than a standard time (second).
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 33
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.
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.
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 37
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 38
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 39
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...
ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE 2. BASIC ADJUSTMENTS Read and perform these adjustments when repairing the (VCR SECTION) circuits or replacing electrical parts or PCB assemblies. 2-1: PG SHIFTER CAUTION Playback the alignment tape. When you exchange IC and Transistor for a heat sink, Press and hold the Tracking-Auto button on the remote apply the silicon grease on the contact section of the heat control more than 2 seconds to set tracking to center.
Page 41
ELECTRICAL ADJUSTMENTS (REC TUNER) 2-7: VERTICAL POSITION Place the set with Aging Test for more than 10 minutes. NOTE: Adjust after performing adjustments in section 2-6. Connect the oscillator (39.5MHz) to TP6001. Receive the monoscope pattern from the Pattern Connect the digital voltmeter between the pin 7 of Generator.
Page 42
ELECTRICAL ADJUSTMENTS 2-10: OSD HORIZONTAL 2-13: BRIGHT CENT Using the remote control, set the brightness and Receive the PAL black pattern*. (RF Input) contrast to normal position. Using the remote control, set the brightness and Activate the adjustment mode display of Fig. 1-1 and contrast to normal position.
Page 43
ELECTRICAL ADJUSTMENTS 2-15: COLOR CENT Receive the PAL color bar pattern. (RF Input) Using the remote control, set the brightness, contrast and color to normal position. Connect the oscilloscope to TP024. Activate the adjustment mode display of Fig. 1-1 and press the channel button (23) on the remote control to select "COLOUR CENT".
Page 44
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 45
ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB CP806 CP852B TP024 MAIN PCB CD852 CP3603 CP853B CP801 CP3601 VR1701 CP3602 CD801 FB401 POWER SW PCB CP402 S1702 CD1701 L505 CP1701 S1705 S1701 S1706 AC IN CP504 CP1704 FILTER PCB CD504...
TV BLOCK DIAGRAM DVD C DVD Y IC 1203 CONTROL IC 603 21_B MM1504XNRE LA7956 DEMODULATOR/ 21_G VIDEO SW 21PIN/STEREO 21_R 21_Y DRIVER Q1253 V-DRIVE IC THERMAL TEXT_SYNC BUFFER IC401 TDA8174A PROTECTION T'TEXT/HI-FI/ SOUND AMP PUMP TU_AUDIO RAMP Q612, Q613, Q614 RE_TV_V Q602 S-TRAP...
Page 48
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM Q4606 PDC/VPS DECORDER IC T'TEXT/ HI-FI/ BUFFER Y/C VIDEO IC4502 SDA56501X SOUND AMP CUBS T'TEXT/ HI-FI/ HF_COM SOUND AMP CP4501 33 35 51 36 HF1 (R) V AMP HF_COM MAIN Y CCD DE-EM HF2 (L) SQUELCH SP-CH1 (R) Clear P/Q EQ...
Page 49
MICON BLOCK DIAGRAM SYSCON/TIMER/SERVO IC1006 OEC0135A Q1007 POWER PAIL SW1001 POWER FAIL POWER_FAIL (DC) TAB SW MO_SYNC MO_SYNC TUNER_AGC AGC_M AT+5.6V MS SEN-A DA RGB SW TUNER_ON/OFF MS_SEN A EXT_IN_L EXT_IN_L DEMODULATOR/ Q1009 21PIN/STEREO TUNER_MUTE TU_AUDIO_MUTE_H MS SEN-B MS_SEN B V.REC START-H V.
CHOKE COIL SCHEMATIC DIAGRAM (FILTER PCB) 69.0 69.8 69.8 71.0 FROM/TO POWER COIL IN COIL OUT CP504 (CD504) A2361WV2-2P PCB300 TE7935 CAUTION ATTENTION NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME :SINCE THESE PARTS MARKED BY :LES PIECES REPAREES PAR UN ETANT NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST...
Page 79
RELAY/SW/FG SCHEMATIC DIAGRAM M2002 M2001 BCD3B02 JCL9B61 (SW PCB) PCB640 VEBA17 (RELAY PCB) SW1AB-271-10A IMSA-9615S-08C-PP SLD.MTR(-) SLD.MTR(+) SP.MTR(-) SP.MTR(+) S1005X S1005Y S1005 L.SW S1004X S1004Y S1004 S1001X S1001Y S1001 S1003X S1003Y S1003 PCB68A S1002X S1002Y S1002 VEBA12 AWD28 SG-107F6 NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE...
Page 80
CP6001 INTERCONNECTION DIAGRAM IF MOD SECAM VL-H DVD PCB CD2001 CP2001 PCB130 VMB283 SIF/AGC CTL CD8505 CP8001 P.CON+5V MON(DVD) MON(DVD) SIF1 NC(SW) NC(SW) DRIVE DM-2 VOL(DVD) VOL(DVD) TU VIDEO IF PCB GND(M) GND(M) GND(DVD) GND(DVD) PCB300 P.CON+9V P.CON+9V VEB983 LD(DVD) LD(DVD) P.CON+5V P.CON+5V...
CHASSIS EXPLODED VIEW (TOP VIEW) CD1501 M2003 UN4001 H5002 H5001 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 87
CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 CD1501 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...
DVD DECK EXPLODED VIEW CD2302 Do not disassemble the parts further CD2001 more than this condition, because PCB640 minute adjustments are needed. (SW PCB ASS'Y) M2002 PCB68A (RELAY PCB ASS'Y) CD2301 NOTE: Applying positions AA for the grease are CLASS MARK displayed for this section.