JVC TM-R14U Service Manual Download Page 7 | Manualshive

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Summary of Contents for TM-R14U

Page 1: ...G B OUTPUT BNC Connector Video INPUT A B Comp Video BNC Connector AC 120 V 60 Hz Power Input Power Consumption 60 W max 45 W avg 14 90 deflection Viewable Picture Size 28 5 cm W x 21 3 cm H 24kV 1kV at zero beam current 7 Pin Cannon Connector Type See page 3 1Vp p 75 12 Positive Nega Sync Picture Tube Video 0 7Vp p 75 12 Positive Video OUTPUT A B Bridge Connected to Video INPUT BNC Connector High ...

Page 2: ...ommended replacement part shown in the parts list in Service manual many create shock fire or other hazards 4 Use isolation transformer when hot chassis The chassis and any sub chassis contrained in some product are connected to one side of the AC power line An isolation trans former of adequate capacity should be inserted between the pro duct and the AC power supply point while performing any ser...

Page 3: ...nts can be performed correctly by inputting a color bar signal in order of brightness and displaying a blue signal REMOTE TALLY 7P CANNON TYPE The change over of TALLY LAMP ON OFF SYNC INT EXT SCAN WIDE NARR COLOR ON OFF and INPUT A B is possible by a remote control When lighting a tally lamp with an external power source change a tally lamp switch within control PC Board from INT side into EXT si...

Page 4: ...A CIRCUIT 11 BUFFER CHROMA VIDEO AMP I C r I H V CIRCUIT R AMP CIRCUIT i R G B OUTPUT CIRCUIT CRT SWITCH DRIVE R G B 7 1 AMP G AMP CIRCUIT Y B AMP CIRCUIT AMP I C TRANSFORMER SWITCHING RECT i IC501 n B ADJ IC POWER CONTROL POWER DRIVE POWER OUT DR L POWER TRANSF AC POWER SOURCE 4 No 5741 ...

Page 5: ...ary COLOR ON OFF BUTTON Switch for color screen or monochrome screen change over is used to check white balance or adjustment V HOLD CONTROL KNOB 2 TINT CONTROL KNOB 3 COLOR CONTROL KNOB 4 BRIGHT CONTROL KNOB 5 CONTRAST CONTROL KNOB D APERTURE CONTROL KNOB Turn APERTURE control knob that the picture turns soft and clear 7 Q SUB CONTROL VR The standard state of each control knob can be preset with ...

Page 6: ...l power source 1 First set TALLY switch within the set to EXT side 2 Give DC24 V between pin T and pin 5 of TALLY terminal BLUE CHECK BUTTON Switch for ordinary screen or blue monochrome screen changeover is used to adjust TINT and COLOR easily How to adjust 1 First input color bar signal and make blue mono chrome screen 2 Adjust TINT and COLOR control knob alter nately so that each blue band is s...

Page 7: ...actors D 7 REMOTE TALLY TERMINAL This terminal performs INPUT COLOR SCAN SYNC switch changeover and controlling turning ON OFF of TALLY lamp from the outside d AC POWER SOURCE INLET 9 FOCUS VR 0 SCREEN VR Q ACC SWITCH ON OFF switch for ACC circuit This switch has been turned ON at the factory ACC circuit functions but turn this switch OFF when ACC circuit need not be actuated 4 SET UP SWITCH NORMA...

Page 8: ...drawn forward MAIN CHASSIS REMOVAL 1 Unscrew the two screws A shown in Fig C 2 Then remove the anode wire and other wires if neces sary from the wire clamp 3 Withdraw the chassis backward along the rail When conducting a check with power supplied be sure to confirm that the CRT earth wire is connected to the CRT socket board and chassis Fig A WIRE CLAMPING AND TYING BAND 1 Be sure to clamp the wir...

Page 9: ...lue single color can also be obtained in the same manner 9 Secure the deflection yoke retaining screw moderately so that the deflection yoke does not move back and forth Fig E Rear View G DRIVE VR l r in R DRIVE VR G CUTOFF VR l I R CUTOFF VR B CUTOFF VR STATIC CONVERGENCE CENTER 1 Employ a crosshatch pattern and adjust the brightness so that the image is clear but slightly darkened 2 Turn the red...

Page 10: ... V CENTER Inputting cross hatch pattern 1 Set the SCAN switch to WIDE and adjust V HEIGHT VR so that raster becomes 95 of viewable picture size 2 Adjust V LIN VR so that the top and bottom of screen become symmetrical 3 Next set SCAN switch to NARR and adjust NARR V HEIGHT VR so that raster is on the inside about 9 mm from top and bottom respectively of the end of view able picture size Fig K 4 Wh...

Page 11: ...igure this circuit shall be checked to operate cor rectly 2 Checking method of the high voltage hold down circuit 1 Make the short circuiting across R917 5 1k 7 4 1 W MF resistor Refer to ALIGN ENT LOCATION of SCHEMATIC DIAGRAM under normal operat ing condition 2 Confirm the picture goes out WIDE 95 95 Fig L HORIZONTAL OSCILLATOR 1 Set the H Hold VR to the mechanical center position 2 Connect the ...

Page 12: ...EPLACEMENT COMPONENTS IS DEFINED AS FOLLOWS Carbon Resistor C R Lead form OH Ceramic Capacitor C Cap Lead form Parts No Part No Withstand Voltage Rating Q C S 1 1 E Q R D 1 4 1 J D D D C Cap Constant term 25 V 25V Constant term W Tolerance Lead form Lead form Tolerance 50V Q C S 1 1 H P D D D Q R D 1 2 1 J V i W Q C S 1 2 H P Electrolytic Capacitor E Cap Lead form 500V Composition Resistor Comp R ...

Page 13: ...nob Bush C Tally Plate 10 x6 11 x2 12 x6 13 14 x2 CM41895 001 SSSP3006Z CM10367 A01 SSSP3008M CM10368 00B Protector Screw Top Cover Screw Rear Cover 15 x4 For Protector 16 17 x7 For Top Cover Within Slide Cover 18 19 x16 For Rear Cover Tap Screw Roll Rating Label Si Transistor BNC Jack Cannon Connector SBSA3006M CM20548 016 R 2SD1426 A76019 002 CE40451 001 20 21 A H OUT x12 Video A B SYNC R G B Q1...

Page 14: ... Handle 47 x2 For Handle x2 For Handle Washer Nut Q03091 110 NNS4000Z CE40140 00F CE40140 00F CEX40224 B53M 48 49 A Width Coil Width Coil 50 L1503 L1505 R4130 A 51 VR V HOLD 5k 2 B 52 VR TINT VR COLOR VR BRIGHT VR CONT VR APERTURE R4103 R4107 R4111 R4116 R4119 CEX40225 B53M B14M B52M B14M B14M 53 5kO B 10kn B 500k 7 B 10k B 10kfi B 54 55 f t 56 9 9 f t 57 EXPLODED VIEW g l D l I 14 No 5741 ...

Page 15: ...TM R14U No 5741 15 ...

Page 16: ...TM R14U 9 16 No 5741 ...

Page 17: ...TM R14U D D No 5741 17 ...

Page 18: ...TM R14U 26 39 f 18 No 5741 ...

Page 19: ...TM R14U No 5741 19 ...

Page 20: ...TM R14U g 5J 41 S 20 No 5741 ...

Page 21: ...538 1548 1549 tt 11 it A MF R OM R 1 2ft 1 5kft 470ft 1 2ft 470ft 2W 1W tt 11 r tt tt tt 2W 1551 1111 tt 1W 1552 1553 1702 1703 1704 1112 1113 1114 1115 1116 tt 1kft 2W tt MF R 5 6kft I4kft 4 7ft 1 AW F tt tt ti 11 tt A it tt 1W J 11 tt 1201 CAPACITOR C1127 1210 1318 11 1202 1203 1204 1205 1206 QEB61HM 224MZE Cap QFV81HJ 224M TF Cap QAT3110 330A Trimmer Cap QEE61VK 105BZ Tan Cap QFM72AK 223M MY Ca...

Page 22: ... t t OTHERS DL1201 t t Delay Line CEX40232 001 CEX40215 001 QRZ0054 3R9M QSS1F22 C01 CE40668 001 CE40283 001 CEX40134 001 t t t t 1201 i t tt A 3 9fi 1 W J FR 1201 S 1301 X1301 DL1301 RY1501 Fusible R Slide Switch Crystal 1H Delay Line Relay 2SC1815 0 Y t t ACC i t 1 1 1211 t t 9 t 1212 1213 1214 1215 1216 1217 1218 t t f 9 2SA1015 0 Y 1 1 t 9 t t t t t t 2SC1815 0 Y 2SA1015 0 Y t t t t TRC 3090A ...

Page 23: ...k n 2W 10kft 15017 5 1k n 1 4 W 82kl7 4 7kl7 UNF R OM R K J i t DIODE D9901 9902 9903 9904 9905 9906 9907 9910 t t t r 9911 A 1S1887A n Si Diode t t i 9912 9917 9918 9919 9927 9930 9932 9933 9940 A A 1 1 t t MF R F A A n l r f t t l A A I I t t t r t t 1 1 A A t i 1B4B42 RGP10J 1SS133 Diode Bridge Si Diode f t ft tt MP R LPTC R MF R Comp R 0 4717 5W 2 2kH 3 6kl7 1 4 W 6 8M12 1 2 W K A 1 A RU2 F A ...

Page 24: ...TM R 14U POWER P B BACK PATTERN L LIVE GND NEUTRAL GND T901 NX X TP CRT SOCKET P B BACK PATTERN ...

Page 25: ...270 Liniarlty Coil Width Coil Liniarity Coil Width Coil Choke Coil 9 9 99 E Cap C Cap 9931 MF Cap 9932 9933 99 99 C Cap TRANSFORMER T1503 CE40381 00A Side Pin Transf TRANSFORMER T9901 9910 CE40489 00A CJ39608 00A CE40361 00B Power Transf Switching Transf Drive Transf DIODE D1402 1508 1509 U19E F RM2C U19E F V19E U19E F 1SR124 400 Si Diode 9911 99 99 1511 a DIODE D9901 9902 9903 9904 9905 1512 1702...

Page 26: ...C JVC SERVICE ENGINEERING COMPANY OF AMERICA DIVISION OF US JVC CORP OFFICE LOCATIONS Head Office 41 Slater Drive P O Box 3900 Elmwood Park NJ07407 Eastcoast Midwest 2250 Lively Blvd Elk Grove Village IL 60007 Westcoast 1011 West Artesia Blvd Compton CA 90224 5936 Southwest 407 Garden Oaks Blvd Houston TX 77018 Hawaii 1500 Kapiolani Blvd Suite 105 Honolulu HI 96814 Atlanta 3040 Northwoo ds Parkway...

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