Symphonic 6319CD/EWC1903 Service Manual
  1. Manuals
  2. Brands
  3. Symphonic Manuals
  4. TV VCR Combo
  5. 6319CD/EWC1903
  6. Service manual
Symphonic 6319CD/EWC1903 Service Manual

Symphonic 6319CD/EWC1903 Service Manual

19" color tv/vcr combination
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
Sec. 1: Main Section
I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA's
19" COLOR TV/VCR COMBINATION
6319CD/EWC1903
Sec. 2: Deck Mechanism Section
I Standard Maintenance
I Alignment for Mechanism
I Disassembly/Assembly of Mechanism
Sec. 3: Exploded views
and Parts List Section
I Exploded views
I Parts List

Advertisement

Table of Contents
loading

Related Manuals for Symphonic 6319CD/EWC1903

Summary of Contents for Symphonic 6319CD/EWC1903

  • Page 1 Parts List Section I Specifications I Standard Maintenance I Alignment for Mechanism I Preparation for Servicing I Exploded views I Disassembly/Assembly of Mechanism I Parts List I Adjustment Procedures I Schematic Diagrams I CBA’s 19" COLOR TV/VCR COMBINATION 6319CD/EWC1903...
  • Page 2 IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Table Of Contents

    MAIN SECTION 19" COLOR TV/VCR COMBINATION 6319CD/EWC1903 Sec. 1: Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s TABLE OF CONTENTS Specifications ................1-1-1 Important Safety Precautions.

  • Page 4: Specifications

    SPECIFICATIONS *ˆ M ode---------SP mode unless otherwise specified *Test input terminal <Except Tuner>-------------Video input (1Vp-p) Audio input (-10dB) <Tuner>-----------------------Ant. input (80dBµV) Video: 87.5% Audio: 25kHz dev (1kHz Sin) <DEFLECTION> Description Condition Unit Nominal Limit 1. Over Scan — — 2. Linearity Horizontal —...
  • Page 5 <AUDIO> All items are measured across 8Ω resistor at speaker output terminal. Description Condition Unit Nominal Limit 1. Audio Output Power (Max.) (R/P) 2. Audio S/N (W/LPF) (R/P) 3. Audio Distortion (W/LPF) (R/P) -2.0 ± 5.0 4. Audio Freq. Response 200Hz (R/P) -2.0 0 ±...

  • Page 6: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 7 ing is performed that involves B+, horizontal de- earth ground. If a voltage reading in excess of 1.0V flection or high voltage. Correct operation of the is obtained, remove and reinsert the AC power X-radiation protection circuits also must be recon- plug in the opposite polarity and again measure firmed each time they are serviced.
  • Page 8 Precautions during Servicing H. When a power cord has been replaced, check that 5~6 kg of force in any direction will not loosen it. A. Parts identified by the ( # ) symbol are critical for I. Also check areas surrounding repaired locations. safety.
  • Page 9 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, Chassis or Secondary Conductor parts and wires have been returned to original posi- tions. Afterwards, perform the following tests and con- Primary Circuit Terminals firm the specified values in order to verify compliance with safety standards.

  • Page 10: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Read the Values of the Rect- angular Type Chip Components 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown: Example: (a) Resistor Top View Bottom View Input = 473 = 47 [kΩ] (Top View)
  • Page 11 Notes: 2. The Flat Pack-IC on the CBA is affixed with glue, so be careful not to break or damage the foil of a. Do not attempt to lift the component off the board each pin or solder lands under the IC when remov- until the component is completely disconnected ing it.
  • Page 12 Hot Air Blower Iron Wire Soldering Iron Fig. S-1-1 To Solid Mounting Point Fig. S-1-5 Hot-air Flat Pack-IC Desoldering Machine Example : Masking Flat Pack-IC Tape Tweezers Fig. S-1-2 Pin 1 of the Flat Pack-IC is indicated by a " "...
  • Page 13 Instructions for Handling Semiconductors Electrostatic breakdown of the semiconductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may be charged on the body.

  • Page 14: Preparation For Servicing

    PREPARATION FOR SERVICING How to Enter the Service Mode Adjustment Mode No need to use. Caution: 1 Purity check mode: Shows Red, 1. Optical sensors system are used for Tape Start and Green, Blue or White cyclically on the End Sensor on this equipment. Read this page screen each time the “7”...

  • Page 15: Operating Controls And Functions

    OPERATING CONTROLS AND FUNCTIONS [ 6319CD3 ] This manual covers 13 " and 19 " . The operation of the two models are exactly the same except the appearance. 19 " model is illustrated in this manual. NOTE: • We do not recommend the use of universal remote controls. Not all of the functions may be controlled with a universal remote control.
  • Page 16 - REAR VIEW ANT. When selecting cable channels +100 button– REW button– Press to rewind the tape, or to view which are higher than 99, press this button first, the picture rapidly in reverse during playback then press the last two digits. (To select channel mode.
  • Page 17 [ EWC1903 ] This manual covers 13 " and 19 " . The operation of the two models are exactly the same except the appearance. 19 " model is illustrated in this manual. NOTE: • We do not recommend the use of universal remote controls. Not all of the functions may be controlled with a universal remote control.
  • Page 18 - REAR VIEW ANT. When selecting cable channels +100 button– REW button– Press to rewind the tape, or to view which are higher than 99, press this button first, the picture rapidly in reverse during playback then press the last two digits. (To select channel mode.

  • Page 19: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart (1): Order of steps in Procedure. When reassembling, follow the steps in reverse order.These numbers are also used as the Identification (location) No. of This flowchart indicates the disassembly steps for the parts in Figures. cabinet parts and the CBA in order to gain access to item(s) to be serviced.
  • Page 20 ANT. Fig. 1 [1] REAR CABINET [1] REAR CABINET Fig. 2 1-6-2 T7400DC...
  • Page 21 [2] TRAY CHASSIS [3] DECK UNIT [4] MAIN CBA Fig. 3 1-6-3 T7400DC...
  • Page 22 ANODE CAP CRT CBA [5] CRT Fig. 4 1-6-4 T7400DC...
  • Page 23 ANODE CL502A CN505 CL501A CRT CBA FOCUS SCREEN TO SPEAKER MAIN CBA TO DEGAUSS CL403 COIL CN801 CL502B CN601 AC CORD CL401 CL402 CN571 CL201 CL501B CYLINDER CAPSTAN ASSEMBLY MOTOR AC HEAD FE HEAD DECK UNIT ASSEMBLY Fig. 5 1-6-5 T7400DC...

  • Page 24: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: How to Set up the Service mode: "CBA" is abbreviation for "Circuit Board Service Mode: Assembly." 1. Use the service remote control unit. NOTE: 2. Turn the power on. Electrical adjustments are required after replacing 3.
  • Page 25 2-3. Y DL Time/Y SW LPF 3. Operate the unit for at least 20 minutes. 4. Press "2" button on the remote control unit and Adjustment select H-Adj Mode. (Press "2" button, then display Purpose: To get minimum leakage of the color signal will change H-Adj and AGC.) carrier.
  • Page 26 3. V. Size Adjustment 5. H. Shift Adjustment Purpose: To obtain correct vertical height of screen Purpose: To obtain correct horizontal position and image. size of screen image. Symptom of Misadjustment: If V. Size is incorrect, Symptom of Misadjustment: Horizontal position and vertical height of image on the screen may not be size of screen image may not be properly displayed.
  • Page 27 7. Sub-Brightness Adjustment Notes: Screen Control FBT --- MAIN CBA F.B.T= Fly Back Transformer Purpose: To get proper brightness. Use the Remote Control Unit Symptom of Misadjustment: If Sub-Brightness is 1. Degauss the CRT and allow CRT to operate for 20 incorrect, proper brightness cannot be obtained by minutes before starting the alignment.
  • Page 28 8. Focus Adjustment The following 2 adjustments normally are not attempted in the field. They should be done Purpose: Set the optimum Focus. only when replacing the CRT then adjust as a Symptom of Misadjustment: If Focus Adjustment is preparation. incorrect, blurred images are shown on the display.
  • Page 29 12. Convergence Adjustment 1. Set the unit to the AUX Mode which is located before CH2 then input a Dot or crosshatch pattern. Purpose: To obtain proper convergence of red, green 2. Loosen the Ring Lock and align red with blue dots and blue beams.

  • Page 30: Block Diagrams

    BLOCK DIAGRAMS Servo/System Control Block Diagram IC201 (SERVO/SYSTEM CONTROL) SW201 SW204,SW206 (DECK ASSEMBLY KEY 0 SWITCH MAIN CBA SW205,SW207 SW210 AL+5V KEY 1 SWITCH D203 RS201 S-LED REMOTE P-ON-H REMOTE FROM/TO P-ON-H SENSOR P-DOWN POWER SUPPLY P-DOWN BLOCK AC HEAD ASSEMBLY TP201 CL402 CTL AMP-OUT...

  • Page 31: Video Block Diagram

    Video Block Diagram REC VIDEO SIGNAL PB VIDEO SIGNAL MODE: SP/REC MAIN CBA TP301 Q401 V-OUT BUFFER IC401 VIDEO/AUDIO SIGNAL PROCESS Q402 CCD 1H TO CHROMA/ VIDEO BUFFER DELAY TUNER BLOCK CHARA LUMINANCE DOC YNR Y/C COMB SIGNAL PROCESS V-AGC TU-VIDEO TUNER FROM/TO...

  • Page 32: Audio Block Diagram

    Audio Block Diagram PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA IC301(VIDEO/AUDIO SIGNAL PROCESS) IC801 (AMP) OUTPUT FROM JK801 TU-AUDIO CHROMA/TUNER EARPHONE JACK MUTE BLOCK FROM/TO TUNER SERIAL SERVO/SYSTEM AUDIO CONTROL BLOCK LINE CL802 CN801 SPEAKER SP801 JK702 SP-MUTE SPEAKER A-IN SP-GND...
  • Page 33 Chroma/Tuner Block Diagram REC-AUDIO SIGNAL REC VIDEO SIGNAL PB VIDEO SIGNAL Mode : SP/REC MAIN CBA IC100 (IF SIGNAL PROCESS) SF001 CF031 TU001 VIDEO 4.5MHz TU VIDEO TO VIDEO BLOCK FILTER TRAP CF032 4.5MHz TU AUDIO TO AUDIO BLOCK FILTER FROM VCO F/B EXT-L...
  • Page 34 CRT/H.V. Block Diagram REC VIDEO SIGNAL PB VIDEO SIGNAL Mode : SP/REC IC551 (V-DEFLECTION CONTROL) L551 DEFLECTION-YOKE WF13 THERMAL PROTECTION DRIVE Q572 H.DRIVE PUMP DRIVE WF12 Q571 T572 CN571 H.OUTPUT FROM POWER SUPPLY BLOCK DEF+B FOCUS VR T571 F.B.T. ANODE CN573 FOCUS SCREEN...

  • Page 35: Power Supply Block Diagram

    Power Supply Block Diagram CAUTION ! Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. NOTE : If Main Fuse (F601) is blown, check to see that all components in the power supply CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, The voltage for parts in hot circuit is measured using...

  • Page 36: Mechanical Trouble Indicator

    MECHANICAL TROUBLE INDICATOR 1, Each Malfunction Indication POWER SAFETY 1) POWER SAFETY 2 If the MONITOR is turned ON right after the Mechani- If P-SAFETY 2 port becomes continuously 2.5V or cal Malfunction occurs or POWER SAFETY/X-RAY is less for 120 msec. (4 times 40 msec. interval) when turned ON, display the following character to show P-ON-H port is ON, the unit shall be assumed to be Malfunction after the EJECT display.
  • Page 37 Mechanical Malfunction determination 4) Countermeasure for CASSETTE LOADING Mal- function 1) REEL Malfunction detection a) CASSETTE IN operating Malfunction Countermeasure for REEL and CAPSTAN motor If LD-SW does not go to SB position after a lapse of rotation malfunction (Except CASSETTE LOAD- 5 sec.

  • Page 38: Power Supply Trouble Shooting Guide

    Power Supply Trouble Shooting Guide It is highly recommended that a variable isolation Voltage approx. 5Vp-p transformer which can monitor current be used. (Alternatively a variable AC source which monitors current will do). Read directions below before power is added! T=Approx.
  • Page 39 Repair method #2 Check the primary rectifying diodes (D603-D606) as possible problems. Remove the above mentioned parts and check them. Perform check according to the step 1 and 2 of repair method #1 and check for defects following parts, then if necessary replace with factory originals.

  • Page 40: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Note: 1. Do not use the part number shown on these draw- Warning ings for ordering. The correct part number is shown in the parts list, and may be slightly different or Many electrical and mechanical parts in this chassis amended since these drawings were prepared.
  • Page 41 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F601) is blown, first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 42 Main 1/5 Schematic Diagram MAIN 1/5 Ref No. Position IC201 IC202 TRANSISTORS Q205 Q206 CONNECTOR CL201 TEST POINTS J274 TP201 1-9-3 1-9-4 T7401SCM1...
  • Page 43 Main 2/5 Schematic Diagram REC Video Signal PB Video Signal PB Audio Signal REC Audio Signal MAIN 2/5 Ref No. Position IC401 IC801 TRANSISTORS Q401 Q402 Q871 Q872 Q873 Q874 Q875 CONNECTOR CL401 CL402 CL403 CN801 TEST POINTS TP301 TP401 TP402 T7401SCM2 1-9-5...
  • Page 44 Main 3/5 Schematic Diagram PB Video Signal REC Video Signal PB Audio Signal REC Audio Signal MAIN 3/5 Ref No. Position IC100 IC301 TRANSISTOR Q301 TEST POINT TP302 1-9-7 1-9-8 T7401SCM3...
  • Page 45 Main 4/5 Schematic Diagram VOLTAGE CHART (Power off mode) MAIN 4/5 CAUTION ! CAUTION: FOR CONTINUED PROTECTION AGAINST RISK Ref No. Position Ref No. Position Ref. No. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE.
  • Page 46 Main 5/5 & CRT Schematic Diagram MAIN 5/5 Ref No. Position Ref No. Position TRANSISTORS IC551 CC-2 Q511 TRANSISTORS CC-2 Q521 AA-2 Q571 Q531 CC-2 Q572 CONNECTORS Q591 BB-3 CL501A CONNECTORS BB-2 CL502A BB-3 CL501B CN505 DD-2 CL502B BB-2 CN571 CN573 BB-1 PB Video Signal...
  • Page 47 Main CBA Top View Sensor CBA Top View CAUTION: FOR CONTINUED PROTECTION AGAINST RISK CAUTION ! FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE TO SENSOR CBA BHB300F01014-A...
  • Page 48 Main CBA Bottom View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION: FOR CONTINUED PROTECTION AGAINST RISK Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE. SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
  • Page 49 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No. Position TRANSISTORS Q511 Q521 Q531 CONNECTORS CL501A CL502A CN505 WF15 WF14 WF16 Q521 Q511 Q531 Collector Collector Collector 1-9-17 1-9-18 BT5400F01014...

  • Page 50: Waveforms

    WAVEFORMS WAVEFORM NOTES INPUT: NTSC COLOR BAR SIGNAL (WITH 1kHz AUDIO SIGNAL) BRIGHTNESS, COLOR AND TINT CONTROLS: CENTER POSITION CONTRAST CONTROL: APPROX 70% VOLTAGES SHOWN ARE RANGE OF OSCILLOSCOPE SETTING. 5 ms 10 V 5 ms 0.5 V 20 µs 0.5 V 0.5 ms 20 µs...

  • Page 51: Wiring Diagram

    WIRING DIAGRAM WIRING DIAGRAM FOR SECTION 2 (DECK MECHANISM) ANODE CN801 CL802 1 SPEAKER SP801 SPEAKER 2 SP-GND CAPSTAN MOTOR CRT CBA FOCUS LOADING CL201 BT5400F01014 MOTOR P-ON+12V P-ON+5V(2) C-FG CN505 CL502A CL502B C-F/R CYLINDER ASSEMBLY 1 GND C-CONT 2 RED FG-GND GREEN 3 GREEN...

  • Page 52: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Chart 1 EJECT ST-S "OFF" CASS.LOAD LD-FWD 0.2S LD-REV SFT-SW STOP(B) POWER LD-FWD 0.4S LD-FWD 0.2S LD-REV 0.2S LD-FWD 0.5S LD-REV STOP(A) PLAY LD-FWD PLAY LD-FWD RS1(RS2) LD-REV 0.2S LD-FWD FS1(FS2) PLAY PLAY PAUSE STILL PAUSE NOISE CANCEL PAUSE...
  • Page 53 Chart 2 STOP(A) STOP LD-REV 0.2S LD-FWD 0.2S STOP /EJECT 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-REV 0.2S LD-FWD 0.2S STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-FWD PAUSE LD-FWD 2.5S Short REV LD-REV 0.2S LD-FWD REC PAUSE REC or PAUSE STOP /EJECT...

  • Page 54: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC 201 (TV/VCR Micro Computer) Signal Function Name “H” ≥ 4.5V, “L” ≤ 1.0V Rental Position Control 30 OUT RENTAL Signal Signal Function Name 31 OUT P-ON-H Power On Signal at High LD-SW Loading Switch Input Special Playback Control 32 OUT SPL-PLAY Not Used...
  • Page 55 Signal Signal Function Function Name Name 64 OUT OSD-R Red Output CTL (+) CTL (+) 65 OUT A-MUTE Audio Mute Output AMPC AMPC Capstan Motor FWD/REV 66 OUT C-F/R CTL AMP Control Signal 97 OUT Control Amp Output Not Used P-ON+5V Power Supply for AMP Not Used...

  • Page 56: Lead Identifications

    LEAD IDENTIFICATIONS TT2140LS-YB11 2SK2662 2SC5885000RF MID-32A22 2SD400(F) S: Souce E: Emitter D: Drain C: Collector G: Gate B: Base E C B B C E S D G LA78040A AN5522 2SC1627Y-TPE2 BN1F4M-T KRA103M 2SA950(Y,O) KTC3199(GR) 2SC1815-GR(TPE2) KTA1271(Y) 2SC2785(J,H,F) 2SC3331(T,U) 2SC2482 TPE6 2SA1015-GR(TPE2) 2SC2120-(O,Y)(TPE2) 2SC3468(E,D)-AE...
  • Page 57 DECK MECHANISM SECTION 19" COLOR TV/VCR COMBINATION 6319CD/EWC1903 Sec. 2: Deck Mechanism Section I Standard Maintenance I Alignment for Mechanism I Disassembly/Assembly of Mechanism I Alignment Procedures of Mechanism TABLE OF CONTENTS Standard Maintenance ..............2-1-1 Service Fixtures and Tools.

  • Page 58: Standard Maintenance

    STANDARD MAINTENANCE Service Schedule of Components H: Hours : Check I: Change Deck Periodic Service Schedule Ref.No. Part Name 1,000 H 2,000 H 3,000 H 4,000 H Cylinder Assembly Loading Motor Assembly Pulley Assembly B587 Tension Lever Assembly AC Head Assembly B573,B574 Reel (SP)(D2), Reel (TU)(D2) Capstan Motor...
  • Page 59 Cleaning Cleaning of Audio Control Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1.Remove the top cabinet. cloth. 2.Dip the cotton swab in 90% isopropyl alcohol and Procedure clean the audio control head.

  • Page 60: Service Fixtures And Tools

    SERVICE FIXTURE AND TOOLS J-1-1, J-1-2 Ref. No. Name Part No. Adjustment J-1-1 Alignment Tape FL8A Head Adjustment of Audio Control Head J-1-2 Alignment Tape FL8N Azimuth and X Value Adjustment of Audio Control (2Head only) Head / Adjustment of Envelope Waveform FL8NW (4Head only) Guide Roller Adj.Screwdriver...

  • Page 61: Mechanical Alignment Procedures

    MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below loaded position without a cassette tape on this page if a tape gets stuck, for example, in the 1.
  • Page 62 1.Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (FL8N) Guide Roller Adj.
  • Page 63 1-A. Preliminary/Final Checking and 3. Check to see that the tape runs without creasing at Alignment of Tape Path Take-up Guide Post [4] or without snaking between Guide Roller [3] and AC Head. (Fig. M3 and M5) Purpose: 4. If creasing or snaking is apparent, adjust the Tilt To make sure that the tape path is well stabilized.
  • Page 64 6. Press CH DOWN button on the unit until the CTL 1-D. Azimuth Alignment of Audio/Con- waveform has shifted from its original position (not trol/ Erase Head the position achieved in step 5, but the position of Purpose: CTL waveform in step 4) by approximately -2msec. To correct the Azimuth alignment so that the Audio/ Make sure that the envelope is simply attenuated Control/Erase Head meets tape tracks properly.

  • Page 65: Disassembly/Assembly Procedures Of Deck Mechanism

    DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS on page 1-6-1.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
  • Page 66 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER Loading Arm (TU) (+)Refer to Alignment [32] [33] DM2,DM14 Assembly Sec.Pg.2-4-9 [34] [2],[25] M Brake (TU) Assembly DM1,DM15 *(P-7), Brake Belt [35] [2],[25] M Brake (SP) Assembly DM1,DM15 *(P-8) [36] [35]...
  • Page 67 Top View [41] [42] [46] [43] [14] [13] [11] [15] [36] [10] [12] [35] [34] [40] [29] [30] [16] [39] [38] Fig. DM1 Bottom View [20] [33] [32] [24] [26] [27] [25] [23] [28] [22] [21] [31] Fig. DM2 2-4-3 Z12NDA...
  • Page 68 (S-1) (S-1) (L-1) (L-3) (L-2) (P-1) Fig. DM5 [46] Fig. DM3 [47] Pin D (L-14) Pin C Pull up Slide Pin A Pin B Slot A (S-2) Slots B Slot A First, while pushing the locking tab as shown at right, slide and pull up the right side on [2] to release Pin A and Pin B from the slots A.
  • Page 69 (S-4) (S-5) [14] (S-6) [16] [15] Desolder from bottom (S-3) Lead with White Stripe Belt View for A Fig. DM7 Fig. DM9 Adj. Screw [11] [18] (L-4) (L-5) (P-3) [17] [13] [19] [12] (P-4) [10] (P-2) (S-7) Pin of [12] Pin of [10] Fig.
  • Page 70 [22] (C-4) (S-8) (C-1) [23] (L-6) [21] (P-5) [20] Cap Belt (P-5) [28] Fig. DM11 When installing [23], install the spring (P-5) to [28] as shown in the left figure, and then install [23] while Pin on pressing the spring (P-5) to bottom the direction of the arrow in of [23]...
  • Page 71 (P-6) [25] [31] Refer to the Alignment (C-3) Section, Page 2-4-9. (S-9) [29] [33] [30] (L-11) [32] (L-10) (L-8) (C-2) [27] [28] [24] [26] (L-9) Fig. DM14 [36] Position of Mode Lever when installed Break belt Pin of [35] (P-7) Pin of [31] Pin of [34] [34]...
  • Page 72 [42] [41] [43] (L-13) Fig. DM16 (P-9) [44] [45] Slide Fig. DM17 2-4-8 Z12NDA...

  • Page 73: Alignment Procedures Of Mechanism

    ALIGNMENT PROCEDURES OF MECHANISM Alignment 1 The following procedures describe how to align the individual gears and levers that make up the tape Loading Arm (SP) and (TU) Assembly loading/unloading mechanism. Since information about the state of the mechanism is provided to the Install Loading Arm (SP) and (TU) Assembly so System Control Circuit only through the Mode Switch, that their triangle marks point to each other as...
  • Page 74 EXPLODED VIEWS AND PARTS LIST SECTION 19" COLOR TV/VCR COMBINATION 6319CD/EWC1903 Sec. 3: Exploded views and Parts List Section I Exploded views I Parts List TABLE OF CONTENTS Cabinet Exploded Views ..............3-1-1 Packing Exploded Views .
  • Page 75 EXPLODED VIEWS Cabinet SHINWHA TAPE SGT-730 V501-1 (BLACK) V501-2 Details for L551 SHINWHA TAPE SGT-730 and surrounding parts L551 (WHITE) V501-3 CLN552 CRT CBA CLN551 L551 DG601 TB24 V501 SCOTCH TAPE #880 SP801 W601 SENSOR CBA TB26 TB22 TL17 CL802 TB10 A1-1 A1-5...
  • Page 76 Packing TAPE TAPE (EWC1903 only) 3-1-3 T7400PEX...
  • Page 77 DECK EXPLODED VIEWS Deck Mechanism View 1 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 B494 L1467 L1191 B553 B411 B567 L1053 B410 L1051 Chassis Assembly Top View (Lubricating Point) B501 B560 L1450 L1450 B426 L1466 B121 B126 B492...
  • Page 78 Deck Mechanism View 2 Mark Description Floil G-684G or Multemp MH-D (Blue grease) B587 B521 B487 SLIDUS OIL #150 B416 B591 SANKOUL FG84M (Yellow grease) B520 B590 B522 B499 L1406 B148 B508 B573 B592 B574 B558 B564 B557 B414 B565 B525 L1151 B417...
  • Page 79 Deck Mechanism View 3 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 L1321 B347 L1321 B355 B354 B483 B425 B482 B562 B300 B563 B313 B529 B360 B359 B361 B555 B561 B303 Some Ref. Numbers are not in sequence. B514 3-1-6 Z12NDEX...

  • Page 80: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Mark Description Part No. # have special characteristics important to safety. TB22# 19V CHASSIS NO. LABEL TJ T7400UA ---------- Before replacing any of these components, read care- TB24 WIRE HOLDER T5400UA 0EM407678 fully the product safety notice in this service manual.
  • Page 81 CRT Warning Label Location Ref. No. Mark Description Part No. V501-3 RUBBER MAGNET 20X10X1.2 XM05000BV001 CRT Type No. CRT Warning Label CRT TYPE D L551# DEFLECTION YOKE LLBY00ZSY006 or LLBY00ZSY006 DEFLECTION YOKE CDY-M2019F LLBY00ZQS004 V501# CRT A48JLL90X TCRT190QS009 V501-1 C.P.MAGNET JH225-014 or XM04000BV009 CPM E-225-F01 XM04000ETC01...

  • Page 82: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C207 ELECTROLYTIC CAP. 47µF/25V M H7 CE1EMAVSL470 Before replacing any of these components, read care- C208 ELECTROLYTIC CAP. 47µF/6.3V M H7 CE0KMAVSL470 fully the product safety notice in this service manual.
  • Page 83 Ref. No. Description Part No. Ref. No. Description Part No. C327 ELECTROLYTIC CAP. 100µF/10V M H7 CE1AMAVSL101 C574# ELECTROLYTIC CAP. 4.7µF/250V M or CE2EMASDL4R7 C330 CHIP CERAMIC CAP.(MELF) F Z 0.01µF/16V CZM1CZB0F103 ELECTROLYTIC CAP. 4.7µF/250V M CE2EMASTL4R7 C331 ELECTROLYTIC CAP. 220µF/10V M H7 CE1AMAVSL221 C577 FILM CAP.(P) 0.022µF/50V J or...
  • Page 84 Ref. No. Description Part No. Ref. No. Description Part No. C629 ELECTROLYTIC CAP. 47µF/35V M or CE1GMASDL470 D226 ZENER DIODE MTZJT-776.2B or QDTB0MTZJ6R2 ELECTROLYTIC CAP. 47µF/35V M CE1GMASTL470 ZENER DIODE DZ-6.2BSBT265 NDTB0DZ6R2BS CARBON RES. 1/4W J 1k Ω or C630 ELECTROLYTIC CAP.
  • Page 85 Ref. No. Description Part No. Ref. No. Description Part No. RECTIFIER DIODE ERB12-06 QDQZ0ERB1206 ZENER DIODE DZ-15BSBT265 NDTB00DZ15BS D607 ZENER DIODE MTZJT-7724C or QDTC00MTZJ24 D801 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 ZENER DIODE DZ-24BSCT265 NDTC00DZ24BS SWITCHING DIODE 1N4148 NDTZ001N4148 D609 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 D802 SWITCHING DIODE 1SS133(T-77) or...
  • Page 86 Ref. No. Description Part No. Ref. No. Description Part No. TRANSISTOR KTC3198(GR) or NQS40KTC3198 TRANSISTOR KTA1267(GR) or NQS10KTA1267 TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 TRANSISTOR KTA1266(GR) or NQS40KTA1266 Q206 PHOTO TRANSISTOR MID-32A22 NPWZM1D32A22 TRANSISTOR 2SA1015-GR(TPE2) QQS102SA1015 Q301 TRANSISTOR 2SC2785(F) or QQSF02SC2785 Q872 TRANSISTOR 2SC2120-O-TPE2 or QQS002SC2120 TRANSISTOR 2SC2785(H) or QQSH02SC2785...
  • Page 87 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES.(1608) 1/10W J 330 Ω CHIP RES.(1608) 1/10W J 100 Ω R229 RRXAJB5Z0331 R315 RRXAJB5Z0101 CHIP RES.(1608) 1/10W J 2.2k Ω CHIP RES.(1608) 1/10W J 8.2k Ω R233 RRXAJB5Z0222 R316 RRXAJB5Z0822 CHIP RES.(1608) 1/10W J 1.2k Ω...
  • Page 88 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 4.7 Ω or CARBON RES. 1/6W J 180 Ω R566 RCX4JATZ04R7 RCX6JATZ0181 CARBON RES. 1/6W J 4.7 Ω CARBON RES. 1/4W J 180 Ω or RCX6JATZ04R7 R607 RCX4JATZ0181 CARBON RES.
  • Page 89 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 470 Ω or R651 RCX4JATZ0471 SWITCHES CARBON RES. 1/6W J 470 Ω RCX6JATZ0471 SW201 TACT SWITCH SKQSAB or SST0101AL038 CARBON RES. 1/4W J 470 Ω or R652 RCX4JATZ0471 TACT SWITCH SKHHAM or...
  • Page 90 Ref. No. Description Part No. Ref. No. Description Part No. RCA JACK(WHITE) AV1-15-4 JXRL010RP014 C502 ELECTROLYTIC CAP. 1µF/50V M or CE1JMASDL1R0 JK801 EARPHONE JACK MSJ-035-12APC or JYSL030LY001 ELECTROLYTIC CAP. 1µF/50V M or CE1JMASDL010 EARPHONE JACK HTJ-035-1ZEBTZ or JYSL030GE001 ELECTROLYTIC CAP. 1µF/50V M CE1JMASTL1R0 EARPHONE JACK HSJ1403-01-010 JYSL030HD002...
  • Page 91 Ref. No. Description Part No. CARBON RES. 1/6W J 1.5k Ω RCX6JATZ0152 CARBON RES. 1/4W J 1.5k Ω or R537 RCX4JATZ0152 CARBON RES. 1/6W J 1.5k Ω RCX6JATZ0152 MISCELLANEOUS CL501A LEAD WIRE 3P/430MM WX1T7400-001 CL502A LEAD WIRE 4P/450MM WX1T7400-002 JK501# CRT SOCKET ISMS02S JSCC220PK003 SENSOR CBA...
  • Page 92 DECK PARTS LIST Ref. Description Part No. Ref. Description Part No. B520 TU BRAKE SPRING MK12 0VM414285 B521 REV BRAKE SPRING MK12 0VM414222 CYLINDER ASSEMBLY MK12 NTSC 2HD N1628CYL B522 TG POST ASSEMBLY MK11 0VSA12080 LOADING MOTOR ASSEMBLY MK11 TVCR 0VSA13465 B525 LDG BELT MK11...
  • Page 93 Printed in Japan 2003-02-17 HO...

Table of Contents