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Sharp 14VT10X1 Service Manual
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Sharp 14VT10X1 Service Manual

Sharp 14VT10X1 Service Manual

Vhs video tv
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. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. IMPORTANT SERVICE NOTES
. DISASSEMBLY AND REASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. FUNCTION OF MAJOR MECHANICAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SIGNAL FLOW SYMBOLS AT A GLANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. SCHEMATICDIAGRAMS
. WlRlNGSlDEPWBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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REPLACEMENT ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. EXPLODEDVIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In the interests of user-safety (Required by safety regulations
in some countries) the set should be restored to its original con-
dition and only parts identical to those specified should be used.
CONTENTS
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Summary of Contents for Sharp 14VT10X1

  • Page 1: Table Of Contents

    In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original con- dition and only parts identical to those specified should be used. CONTENTS . SPECIFICATIONS .............

  • Page 2: Disassembly And Reassembly

    DISASSEMBLY AND REASSEMBLY Remove the seven back cabinet fastening Remove the five TV mother unit fastening screws 0. screws 0 from the frame. Remove the one wire fastening screw 8. Remove the two speaker holder fastening Remove the one wire fastening screw @. screws 0 and remove the holder.
  • Page 3 DISASSEMBLY AND REASSEMBLY OF THE VCR SECTION 1. Remove the eight VCR holder fastening screws 5. Remove the five main PWB fastening screws @. 6. Remove the two head amp fastening screws @. 2. Remove the four upper cabinet fastening 7.

  • Page 4: Function Of Major Mechanical Parts

    FUNCTION OF MAJOR MECHANICAL PARTS (TOP VIEW) pole base ass’ y AHC (fwtomatic head cleaner) 23 Dew sensor Full erase head ass’ y Relay shifter lever Supply pole base ass’ y Function Function Full erase head ass’ y Reverse guide Erase the whole records on the tape in the recording Pulls out the tape in the video search rewind mode, mode.
  • Page 5 FUNCTION OF MAJOR MECHANICAL PARTS (BOmOM VIEW) Relay gear drive lever @ @Take-up loading gear Slow brake lever Loading relay gear 2 Capstan D.D.motor 3 Reel belt @- 8 AuxiliaFy fast forward brake lever 6 Reel pulley Brake solenoid 5 Function Function Reel sensor...

  • Page 6: Adjustment, Replacementandassembly Of Mechanical Units

    ADJUSTMENT, REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS Here we will describe a relatively simple service We are sure that the easy-to-handle tools listed w o r k i n t h e f i e l d , n o t r e f e r r i n g t o t h e m o r e below would be more than handy for periodical complicated repairs which would require the use of maintenance to keen the machine in its oriainal...
  • Page 7 Remarks Part No. Configuration Jig Item rhis Jig is used with the tension gauge. Rotary Transformer JiGADP003 Clearance Adjusting Jig. This Screwdriver is used for adjusting the guide roller height. This Jig is used for adjusting the Tension Band and Plate JiGDRiVER- tension band and tension plate.
  • Page 8 MECHANICAL PARTS REQUIRING PERIODICAL INSPECTION Use the following table as a guide to maintain the mechanical parts in good operating condition. Remarks Possible symptom encountered Abnormal rotation or requires replacement Clean with pure high quality isopropyl alcohol. inner hole and shaft) -lead occasionally blocked Clean tape contact part with the specified cleaning...
  • Page 9 Place the unit in the eject mode in removal or CASSETTE HOUSING CONTROL ASSEMBLY reassembly of the cassette housing control assembly. Removal Load the cassette once onto the cassette housing Set the cassette ejected condition in the cassette c o n t r o l after reassembly.
  • Page 10 5. Place the slider pin just above the worm wheel (Figure l-7). (The retainer of the slider is locked 1. Unsolder the cassette switch connectors (No. 16, 17) from the stat-t sensor PWB. at two positions hen. So unlock it as in the Figure l-8.) 6.
  • Page 11 5. Tighten one B tight screw. Note: Do not over-tighten the B tight screw (no Drive gear arm more than 5.0 t 0.5 kg.cm), because the lower threads of the screw hole at the resin-made boss can be broken. 6. Place the start sensor PWB on the cassette housing frame (R).
  • Page 12 REPLACEMENT OF CASSETTE LOADING 1. First make sure that the tip of the switch lever is BELT held at the rib of the drive gear (R). 2. Check that the rib of the cassette housing frame engaged. 3. Finally be sure that the relationship between the clutch lever and the clutch, as well as between Worm shaft ass’...
  • Page 13 Remove the lock release lever from the slider REPLACEMENT OF LOCK RELEASE LEVER holder(R) Removal Place the slider in the cassette down position. Reassembly (Turn the coupling on the worm shaft clockwise Follow the steps for removal In tne reverse order. until the slider is in the cassette down position.) (See Figures 1-17 and l-18.) Note: Before shifting, unlock the slider.
  • Page 14 Removal (Take-up reel disk) REPLACEMENT AND HEIGHT CHECKING 1. Unscrew the screw AND ADJUSTMENT OF REEL DISKS reel retainer. Remove the cassette housing control assembly. 2. Release the take-up reel disk catch 0. Set the mechanism in the playback mode with no 3.
  • Page 15 Reassembly (Take-up reel disk) 1. Clean the reel disk shaft @ and apply oil to it. 2. Release the take-up reel catch 8 and video Set the master plane releasmg search brake lever a. the reverse guide by a fmger. 3.
  • Page 16 CHECKING AND ADJUSTMENT OFTAKE-UP CHECKING AND ADJUSTMENT OF TAKE-UP TORQUE IN REWIND MODE TORQUE IN FAST FORWARD MODE Remove the cassette housing control assembly. Remove the cassette housing control assembly. Setting Torque gauge Torque gauge Set the scale to Set the scale to “ 0” Setting Supply reel disk ke-up reel disk...
  • Page 17 CHECKING AND ADJUSTMENT OF TAKE-UP CHECKING AND ADJUSTMENT OF TAKE-UP TORQUE IN VIDEO SEARCH REWIND MODE TORQUE IN PLAYBACK MODE Remove the cassette housing control assembly. Remove the cassette housing control assembly. Open the lid of the cassette torque meter, and hold it with a pair of vinyl tapes.
  • Page 18 CHECKING THE FAST FORWARD BACK CHECKING THE VIDEO SEARCH REWIND TENSION BACK TENSION Remove the cassette housing control assembly. Checking Checking Push the play button to place Push the video search rewind the unit in the playback mode. button to place the unit in the video search rewind mode.
  • Page 19 2. At the beginning of the tape (E-180), check that Detach the pinch roller from the capstan shaft. Set the tension gauge by hooking the tension the tension pole’ s left side is aligned with the gauge adapter onto the pinch roller shaft. supply impedance roller’...
  • Page 20 CHECKING AND ADJUSTMENT OF RECORD Remove the cassette housing control assembly. Open here Cassette torque meter Figure 142. Not used. chassis Push the record button to place the unit Figure l-40. 1. Put a cassette torque meter into the unit. 2.
  • Page 21 Remove the cassette housing control assembly. REPLACEMENT OF MAIN BRAKE Place the mechanism in the stop mode by 1. Remove the reel belt and the reel block FFC. unplugging the power cord in the fast forward 2. Remove the cut washer 0 off the brake shifter. or rewind mode.
  • Page 22 Remove the cassette housing control assembly. Place the unit in the unloading mode, and Removal Loosen the tilt adjusting screw 0. Remove the azimuth adjusting screw 8. Remove the AK head screw a. Unsolder the A/C head PWB soldered to the AK head assembly.
  • Page 23 [Height adjustment of retaining guide1 adjust the height Roughly of the AK head by turning the AK head adjusting hexagon nut with the specialized box driver until the tape is in the position shown below. of the retainlnp guide. Retaining &de height adjusting Jg (JiGGIl - Fl8) Figure l-51.
  • Page 24 ADJUSTMENT OF TAPE DRIVE TRAIN 1. Remove the cassette housing control assembly. 2. Check and adjust the position of the tension pole. (See page 2 1.) 3. Check and adjust the video search rewind back tension. (See page 20.) 4. Set the tilt angle of the A/C head. (See page 24.) 5.
  • Page 25 Box driver Azimuth adjusting screw Figure l-59. Figure l-58. Figure l-60. 7. Adjustment of tape drive train and X-Position. 6. Adjustment of A/C head height and azimuth a) Connect the oscilloscope to the test points a) Connect an oscilloscope to the audio output (TP501) for PB CHROMA envelope output.
  • Page 26 Reassembly that a flat response is obtained on the 1. Mount the capstan motor on the mechanism envelope waveform. chassis making sure not to allow the capstan shaft to hit the mechanism chassis, and attach it guide roller setscrew in the unloading mode. with the three screws.
  • Page 27 Remove the slow brake spring 0. Remove the slow brake shaft cap 8. Remove the slow brake lever a. Remove the E ring @. Rotate the take-up loading gear, take-up loading arm assembly, supply loading gear and supply loading arm assembly slightly in the loading direction, and take them @ all out.
  • Page 28 Label Solder Unsolder here Note: block the loading When press-fitting motor pulley, keep the pressure less than 5 kg, and the gap between the motor and pulley Figure l-69. should be 3.020.1 mm. Figure l-72. Figure l-73. of the cam 2.
  • Page 29 Replacement (Follow the order of the indicated Reassembly numbers.) Place the relay gear drive lever in the unloading state. Place the relay shifter so that it is in contact with the reverse guide spring hole in the mechanism chassis. Release the slow brake lever with a finger to bring it away from the capstan (in the direction of arrow).
  • Page 30 Put the unit in the cassette eject position. Unplug the power cord. scratches or dust on the edge of the surface and circumference of the disk. Removal (Reverse the order in reassembly.) Remove the FFC 0. 2. Before setting the drum, check that there are no scratches or dust on the internal surface and Remove the two D.D.
  • Page 31 (AUTOMATIC HEAD CLEANER) Figure l-78. 1. Unhook part 0 with a finger in the direction of arrow. ass’ y 8 with electrician’ s pliers or the like, and pull the ass’ y upward in the direction of arrow Note: To pull out the AHC ass’ y, hold the AHC lever down. Reassembly 1.

  • Page 32: Adjustment Of The Electrical Circuitry

    ADJUSTMENT OF THE VCR ELECTRICAL CIRCUITRY Prior to the adjustment: If the equipment fails electrically, locate a defect or In most cases, necessity for electrical circuits will defects first of all using instruments. Then repair or arise from replacement of mechanical parts r e p l a c e p a r t s a n d m a k e a d j u s t m e n t b y t h e including the video head.
  • Page 33 ADJUSTMENT OF SYSTEM CONTROUSERVO CIRCUIT Test points layout Figure 2-1. SYSTEM CONTROUSERVO PWB Adjustment of NTSC System playbaik switching point Adjustment of PAL System playback switching Measuring point Oscilloscope instrument Measuring Oscilloscope Mode Playback instrument (tracking at center) Mode Playback Tape used Alignment tape(VROATSV) (tracking at center)
  • Page 34 Adjustment of PAL System still picture vertical sync Adjustment of PAL System slow tracking Measuring Measuring Monitor TV Monitor TV instrument instrument Still oicture plavback Recording and playback on self- Mode Mode recording tape. Input signal Commercial broadcast or video Input signal Test point signal.
  • Page 35 ADJUSTMENT OF Y/C CIRCUIT Test point layout Figure 2-4. Y/C PWB ADJUSTMENT OF Y/C CIRCUIT Adjustment of EE level Adjustment of white clip Measuring Measuring Oscilloscope Oscilloscope instrument instrument Mode Recording Mode Recording Input signal Input signal Standard colour bar Standard colour bar (stair-case waveform) (stair-case waveform)
  • Page 36 Adiustment of FM 3.8 MHz and 4.8 Frequency Measuring Osci I loscope counter instrument Mode Recording Self-recording/ - - 1 Figure 2-7. Adjusting R228 (Deviation carrier control) control) point Adjustment of recording current Specification 3.8 2.0 + O.O8Vp-p Measuring I Osci I loscope M H z + 50kHz instrument Recording...
  • Page 37 Adiustment of delav level Measuring Dual-beam oscilloscope instrument Adj usti ng point R240 (delay level control) Figure 2-9. Specification CH-2 level = CH-I level 1. Insert the alignment tape and play it. 2. Adjust R240 (delay level control) so that the levels of CH-I and CH-2 are the same as shown in Figure 2-12.
  • Page 38 djustment of the APC (NT%) C h e c k i n g o f e r a s e v o l t a g e a n d o s c i l l a t i o n frequency Measuring Frequency counter...
  • Page 39 Adjustment of the AFT Checking of recording level Measuring VTVM instrument Self-recording/playback Mode 1 kHz/-8dBs Input signal Input signal Colour bar signal (70 dBu) Test point Audio output terminal Test point Control Pin @ of IF Pack (Video Output) - 8 2 3dBs Specification Adjusting point TOO2 (AFT coil)
  • Page 40 ADJUSTMENT OF THE TV ELECTRICAL CIRCUITRY Chassis layout Figure 3-1. Mother PWB Figure 3-2. CRT Socket PWB...
  • Page 41 CRT cut-off and Sub-Brightness adjustment 3. Set the brightness control at MAX position. R853: R- bias control 4. Connect beam ammeter to TP601 and TP602. R859: G- bias control (Full scale: 3mA) R865: B- bias control 5. Adjust the sub-contrast control (R436) so that R857: G-drive control the beam current becomes approx.
  • Page 42 3. Set service switch S401 at the Video Cut position PAL Sub-colour adjustment: R802 to cut off the Y signal. 4. Adjust the colour control key so that the output 1. Receive “ PAL COLOUR BAR” signal with colour waveform of colour difference signal becomes generator.
  • Page 43 ADJUSTMENT OF DEFLEmON LOOP Note: During the adjustment, keep the unit facing the east. Vertical linearity control: R526 Focus adjustment signal. 1. Receive “ MONOSCOPE PATTERN” signal. 1. Receive “ MONOSCOPE PATTERN” 2. Adjust R526 so that the vertical linearity of 2.
  • Page 44 PURITY ADJUSTMENT Note: During the adjustment, keep the unit facing the east. adjustment Purity the unit with beam current of more than 500pA, for T h e b e a m landing IS shlhed more than 30 minutes. to right. 2.
  • Page 45 CONVERGENCE ADJUSTMENT Note: During the adjustment, keep the unit facing the east. Convergence in Fig. 3-8.: Convergence adjustment Insert wedges (b) and (c) between the deflection This adjustment should be performed after the yoke and CRT, and tilt the deflection yoke purity magnet adjustment.
  • Page 46 CRT DISPLAY ADJUSTMENT Note : During the adjustment, keep the unit facing the east. Sign position control: RlOOl 1. Select channel “ 2” . 2. Receive “CROSSHATCH PATTERN” signal. 3. Press the Mode OSD button on the Remote Con- troller. 4.
  • Page 47 TROUBLESHOOTING FLOWCHART...
  • Page 48 PLAY +STILL PLAY -3 VSF...
  • Page 49 STOP --B FNREW REC /PLAY + STOP...
  • Page 50 STOP + CASSETTE EJECT...
  • Page 51 MECHANISM TROUBLESHOOTlNG 1. FFIREW FAILURE (NO TAPE WINDING) Remove cassette controller, turn power on and press PB key. Is brake shifter at Is brake shifter at Replace relay PLAY (REC) deformed. position? Replace. Are idler gear and Check for broken Clean solenoid Replace idler reel disk PB gear in...
  • Page 52 4. UNUSUAL SOUND IN EACH MODE 3. WINDING FAILURE AT VSR Remove cassette Insert cassette and press PLAY controller, turn and STOP keys repeatedly. power on and press PLAY key. Replace L block sub Check for rattling Go to 2. REUPIAY during p ayback ? - FAILURE routine.
  • Page 53 FLOW CHART NO. l-1 FLOW CHART NO. l-2 FLOW CHART NO. 1-3...
  • Page 54 FLOW CHART NO. 1-l...
  • Page 55 FLOW CHART NO. 1-6...
  • Page 57 CAPSTAN SERVO TROUBLESHOOTlNG FLOW CHART NO. I-10 Capstan servo does not function. Only REC mode inoperative. Only P8 mode inoperative. mode inooerative ? Is there the clock Check the pins 0, @of KS01 (TA8757AN) input at ir biir- and adjacent circuits (X501, X502, etc.) at Y/C PAL mc de.
  • Page 58 HEAD FLOW CHART NO. l-11 FLOW CHART NO. l-12...
  • Page 59 CHART NO. 1-14 FLOW CHART NO. l-13 ABNORMAL...
  • Page 60 FLOW CHART NO. (-15 FLOW CHART NO. l-16...
  • Page 61 FLOW CHART NO. l-17...
  • Page 62 FLOW CHART MO. I-111 VCR SOUND TROUBLESHOOTING NO SOUND But Audio REC is not possible > Is there Bias Oscillator at pin @of IC6011 and Bias Oscillator (4602). of T601 (Bias Oscillator) ? Check the ‘ L’ level at pin Check the RECSignal line between pin@of KS01 and Audio Head.
  • Page 63 FLOW CHART NO. 2-l FLOW CHART NO. 2-2...
  • Page 64 FLOW CHART NO. 24...
  • Page 65 FLOW CHART NO. Z-5 FLOW C”A.RT NO. 26 FLOW CHART NO. 2-7 FLOW CHART NO. 24...
  • Page 66 OVERALL BLOCK DIAGRAM...
  • Page 68 SERVO PROCESS BLOCK DIAGRAM...
  • Page 74 RECORDING LUMINANCE BLOCK DIAGRAM...
  • Page 76 PLAYBACK CHROMINANCE BLOCK DIAGRAM B - I D...
  • Page 78 PLAYBACK LUMINANCE BLOCK DIAGRAM...
  • Page 82 TIMER BLOCK DIAGRAM & - i - - - I i...
  • Page 86 SCHEMATIC DIAGRAM there may be a slight difference from yours.
  • Page 87 MAIN CIRCUIT SYSTEM CONTROL, SERVO CIRCUIT HEAD AMP CIRCUIT...

  • Page 88: Waveforms

    VCR WAVEFORMS J: 1 .ovp-p v: 1 .ovp-p BURST 400mVp-p TP201 REUEE COMPOSITE SYNC. TP504 fsc V: 14OmVp-p HEAD SWITCHING PULSE TP301 REC REC SIGNAL REUPB...
  • Page 89 SERVO SERVO SERVO AG CONNECTOR PIN6 PB DRUM PG DRUM PG DRUM FG SERVO SERVO SERVO V-SYNC. TP60 I( + ), TP602( - ) CAPSTAN FG AUDIO BA CONNECTOR PIN4-5 K602 PIN1 1...
  • Page 90 TV WAVEFORMS MOTHER MOTHER MOTHER MOTHER MOTHER MOTHER MOTHER MOTHER MOTHER MOTHER MOTHER MOTHER...

  • Page 92: Overalldiagram

    OVERALL DIAGRAM...
  • Page 94 VOLTAGE MEASUREMENT MODE ..Without Parentheses...
  • Page 96 MAIN CIRCUIT VOLTAGE MEASUREMENT MODE PB ..Parentheses ( ) ..
  • Page 97 AUDIO MODULE OPERATION...
  • Page 100 HEAD AMPLIFIER CIRCUIT ROTARY TRANS VIDEO HEAD REC ..W&hoi& Parentheses...
  • Page 101 F M E O 1 0 4...
  • Page 102 VCR-POWER CIRCUIT...
  • Page 104 Parentheses ( ) REC ..Without Parentheses...
  • Page 105 INFRARED REMOTE CONTROL CIRCUIT I .I...
  • Page 106 VOLTAGE MEASUREMENT MODE PB ..Parentheses ( ) REC ..Without Parentheses...
  • Page 108 I I I I...
  • Page 110 0 0 0 7...
  • Page 113 VCR-POWER PWB...
  • Page 114 A’...
  • Page 115 VCR-AUDIO PWB CRT PWB TV-CONTROL (2) PWB TV-CONTROL (1) PWB...
  • Page 116 TV-MOTHER PWB...
  • Page 117 TIMER PWB...

  • Page 118: Replacement Electrical Parts List

    Part No. Ref. No. Description Code DIODES AND CRYSTAL PARTS REPLACEMENT Many electrical and mechanical parts in video cassette recorder 9903, have special safety-related characteristics. These characteristics 9904 are often not evident from visual inspection nor can the D9902 protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
  • Page 119 Ref. No. Part No. Description Code Ref. No. Part No. Description Code TRANSISTORS CONTROLS 702, Switching Point Adj. R753 S w i t c h i n g Point Adj. 707, 709, 804, CAPACITORS 805, Electrolytic C712, V C F Y S A I HB393J J O.O39~F,5OV,5%, 736, Mylar 809,...
  • Page 120 Ref. No. Part No. Description Ref. No. Part No. Description Code DIODES AND CRYSTALS P812 SC801 204, 205, ( K 8 0 4 ) 502, SC803 503, SC807 505, SC810 506, X502 Y/C CIRCUIT COILS AND FILTERS TRANSISTORS L207 212, 203, 206, L213...
  • Page 121 Ref. No. Part No. Description Code Ref. No. Part No. Description TRANSISTORS R255 A d j Level Adj. INTEGRATED CIRCUIT TRIMMERS CAPACITORS COILS Electrolytic (N.P) L303 242, 506, 520, Electrolytic CAPACITORS c239, 251, Mylar MISCELLANEOUS MISCELLANEOUS MISCELLANEOUS 202, 202, OPERATION CIRCUIT SC501 Assembly TRANSISTORS...
  • Page 122 Part No. Ref. No. Description Code DIODES CONTROLS 8102, R630 8103, 8105 D8104 08106, CAPACITORS 8107 Mylar MISCELLANEOUS Electrolytic Switch, Record Mylar 8102, 8103, Switch, Pause C623 Switch, Stop 8104, Switch, Fast Forward C627 8105, 8106, Switch, Play Electrolytic (N.P.) Switch, Rewind 8107, C635...
  • Page 123 Part No. Description Code Ref. No. Ref. No. Description Part No. DIODES c923 9 0 4 RESISTORS Metal Film Fuse Resistor COILS AND TRANSFORMER Metal Film AR916 MISCELLANEOUS CONTROL R921 CAPACITORS T J 470pF,4kV,Ceramic A INFRARED REMOTE CONTROL CIRCUIT Control Unit c912 c913 c915...
  • Page 124 Ref. No. Part No. Part No. Description TRANSISTORS 406, 501, 601, DIODES AND FILTER 703, 03002 3007 FL3001 404, 605, 801, CABINET PARTS 9 2 P F A I 1 8 8 8 4 1 J BatteryCover 9 J IndicationPlate 804, INTEGRATED CIRCUITS PICTURE TUBE...
  • Page 125 Ref. No. Part No. Description Code Ref. No. Part No. Description Code D352 RH-EX031 SCEZZ J Zener Diode COILS AND TRANSFORMERS RH-EXOI 68GEZZ L352, 705, D503 706, 615, VP-DFI 01 KOOOO J IOOpH 801, VP-DF221 KOOOO J 22OpH 805, 806, D605 R H - D X O I 2 7 C E Z Z J DXOI27CE D607...
  • Page 126 Description Code Part No. Description Code Ref. No. Part No. Ref. No. C625 V C E A G A I CW227M J 22OuF, 16V, 20%, Electrolytic Electrolytic 831, Electrolytic c454 0.1 uF, AC250V, Electrolytic Metalized Plastic Film VCEAGAI VW107M J Electrolytic Ceramic Electrolytic...
  • Page 127 Code Ref. No. Part No. Description Ref. No. Part No. Description Code AR639 22, l/ZW, Fuse Resistor PI002 AR647 PI003 AR703 1 ZOk, 3W, Metal Oxide 2.7, IIZW, Carbon AR709 CRT UNIT TRANSISTORS 1 .Ok, li8W, Carbon 852, 8.2, ZW, Metal Film MISCELLANEOUS PARTS CONTROLS Fuse, TZAI250V...
  • Page 128 Ref. No. Part No. Description Code Ref. No. Part No. Description Code MISCELLANEOUS PARTS 1034, 1035, P851 Plug, 3 pin (H) P852 1020, 1027 x1001 TIMER UNIT CONTROL TRANSISTORS COIL AND FILTER 1010 91002 CAPACITORS INTEGRATED CIRCUITS Electrolytic 1028, ICI 002 Mylar ICI 003 Cl021...
  • Page 129 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PI010 TIMER CONTROL (2) CIRCUIT S C 1 0 0 1 QSOCN0879GEZZ J Socket,8pin ( T A ) SC1002 QSOCN0679GEZZ J Socket,6 pin (TB) SC1003 QSOCNl079GEZZ J Socket, 10 pin (TC) Board Assembly SC1004 QSOCN0579GEZZ J Socket, 5 pin (TD)
  • Page 130 Part No. Description Ref. No. Part No. Description Code Ref. No. Lever Lever Arm Spring Spring Take-Up Loading Gear Ass’ y NGERH 1119GEZZ J Supply Loading Gear Plate Tension Arm Ass’ y Ass’ y Slider Ass’ y Roller lnnor Roller Flange Lever Roller Reciprocating Lever...
  • Page 131 Code Ref. No. Description Code Ref. No. Part No. Description Part No. Socket, 5 pin (MF) Clutch Lock Lever Spring Metal Oxide Clutch Release Lever Clutch Release Lever Ceramic Spring Clutch Lever Metal Oxide Pulley Take-Up Reel Disk Cassette Loading Belt Catch Holder Upper Plate Supply Impedance...
  • Page 132 Description Ref. No. Part No. Description Code Ref. No. Part No. Code TV .SECTION MECHANICAL PARTS TCAUS0021 PEZZ R Caution Label SCREWS, NUTS, AND WASHERS Adjusting Nut J B T N - 0 0 7 5 P E S A R Button Washer W2.65-6-0.5 AC Head Screw Azimuth Adjusting...
  • Page 133 Part No. Description Part No. Description Code Ref. No. Code VCR SECTION MECHANICAL PARTS Holder Holder Rail (Right) Wire Holder Power Holder(B) LH LDZ 17666 EZZ J Operation PWB Holder AK Power Holder (A) Earth Rail (Left) Shield Main PWB Shield Screw, M3 x 12 Screw, M4 x 12 J B T N - 2 4 8 9 G E S B J Button,Operation(C) A G...
  • Page 135 3 1 7...
  • Page 137 VCR SECTION MECHANICAL PARTS...

  • Page 138: Packingoftheset

    PACKING OF THE SET Setting positions of the knobs Channel 1 Channel selected Contrast control MAX. Channels skipped All channels except 39 and Center Brightness control AV channels 1 thru 5 to skip Center Blue back switch T i n t control Center Volume control MIN.

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