JVC AV-21B16 Service Manual Download Page 32 | Manualshive

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3-2(No.YA415)

CONTENTS

USING P.W. BOARD & REMOTE CONTROL UNIT ................................................................................................... 3-3
EXPLODED VIEW PARTS LIST -1 ............................................................................................................................. 3-3
EXPLODED VIEW -1 ................................................................................................................................................... 3-4

PRINTED WIRING BOARD PARTS LIST ................................................................................................................... 3-5

MAIN P.W. BOARD ASS'Y (SCG-1546A-H2) .................................................................................................... 3-5

REMOTE CONTROL UNIT PARTS LIST (RM-C360GY-1H) ..................................................................................... 3-8
PACKING ..................................................................................................................................................................... 3-8
PACKING PARTS LIST ............................................................................................................................................... 3-8

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Summary of Contents for AV-21B16

Page 1: ...ctor Company of Japan Limited No YA415 2006 7 COLOUR TELEVISION YA415 2006 7 AV 21B16 TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 5 4 ADJUSTMENT 1 11 5 TROUBLESHOOTING 1 26 BASIC CHASSIS CG4 ...

Page 2: ...MHz D K Colour Sub Carrier PAL SECAM NTSC 4 43 MHz 4 40625 MHz 4 25 MHz 3 58 MHz 4 43 MHz Power Input AC110 V to AC240 V 50 Hz 60 Hz Power Consumption 100 W Max 65 W Avg Picture Tube Visible size 52 3 cm measured diagonally H 41 6 cm V 31 5 cm High Voltage 26 5 kV 1 5kV at zero beam current Speaker 5 cm 9 cm Oval type 1 Audio Power Output 3 W monaural Aerial Input Terminal 75 Ω unbalanced coaxial ...

Page 3: ...L2 O Clock for Inter IC contorl For main memory 24 LOCK Not used 4 BUS_FREE Not used 25 3 58 OTH Not used 5 NC Not used 26 4 5 OTH Not used 6 KEY1 I Key scan for front key Menu CH 27 H_SYNC I Horizontal sync 7 KEY2 I Key scan for front key Vol 28 I II Not used 8 ECO IN Not used 29 OSD_Ys O Ys blanking for OSD 9 AFT I AFT voltage for tuner 30 OSD_B O Blue for OSD 10 LED POW Not used 31 OSD_G O Gree...

Page 4: ... REMOVING THE SPEAKER Remove the REAR COVER 1 Remove the 2 screws D as shown in Fig 1 2 Follow the same steps when removing the other hand SPEAKER 3 1 4 CHECKING THE MAIN PW BOARD To check the back side of the MAIN PWB 1 Pull out the MAIN PWB Refer to REMOVING THE MAIN PW BOARD 2 Erect the MAIN PWB vertically so that you can easily check its back side CAUTIONS Before turning on power make sure tha...

Page 5: ...1 6 No YA415 Fig 1 FRONT CABINET SPEAKER REAR COVER MAIN PWB SPEAKER CRT SOCKET PWB Within MAIN PWB A C B D D POWER CORD FRONT LED PWB Within MAIN PWB ...

Page 6: ... correct value with the MENU key 5 Press the DISPLAY key twice and return to the normal screen 5 Receiving channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels Channels Preset as described 6 User settings Check the user setting items according to the given in page later Where these do not agree refer to the OPERATING INSTRUCTIONS and set the items as described 7 SERVICE...

Page 7: ...UR SYSTEM PAL SOUND SYSTEM B G Setting item Setting position INPUT TV ON TIMER PR1 0 00 VNR OFF Setting item Setting position AUTO SHUTOFF OFF CHILD LOCK OFF BLUE BACK OFF Setting item Setting position SETUP TOUR ON LANGUAGE ENGLISH Setting item Setting position BRIGHT STANDARD SOFT TINT 15 15 15 COLOUR 15 15 15 BRIGHT 15 15 15 CONT 30 15 11 SHARP 15 15 12 Setting item Setting value COLOUR TRIPLE ...

Page 8: ...NS OF FRONT PANEL BUTTONS Setting item Setting value Setting item Setting value 2 V C 1 CUT OFF 2 DRIVE 3 BRIGHT 4 CONT 5 COLOUR 6 TINT 7 SECAM BL ADJUST 8 SHARP Do not adjust 9 AMP T SHARP Do not adjust 5 PRESET Do not adjust Colour System 1 C TRAP FIX 2 SHARP PEAK 3 ABL 4 GAMMA 5 Y DELAY TIME 6 BLACK EXP START 7 C BPF 8 CW SCP 9 VIF DET LEVEL 11 IF AGC MIN 12 VIF AGC 13 VIF PMOD 19 VNR 20 RGB LI...

Page 9: ...he tweezers and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part NOTE After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as in...

Page 10: ...istors transformers and condensers not shown in the adjustment items of this service adjustment 4 2 PRESET SETTING BEFORE ADJUSTMENT Unless otherwise specified in the adjustment items preset the following functions with the REMOTE CONTROL UNIT 4 3 MEASURING INSTRUMENT AND FIXTURES 1 DC voltmeter or digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator PAL SECAM NTSC 4 Remote contro...

Page 11: ...n TP 91 B1 2Pin NC 3Pin X ray1 4Pin X ray2 5Pin TP E HVT S1 HV U IC301 MEMORY IC IC702 IC701 F901 DEG TU001 FRONT TOP MAIN PWB CRT SOCKET PWB SOLDER SIDE E1 U T PW UPPER FOCUS LOWER SCREEN TP 47G R TP 47B TP E T CRT EARTH WIRE BRAIDED ASS Y 5 1 ...

Page 12: ...urn to the SERVICE MENU And then press the DISPLAY key again return to the normal screen 4 6 6 SELECTION OF SUB MENU SCREEN Press one of 1 to 5 keys of the REMOTE CONTROL UNIT and select the SUB MENU SCREEN form the SERVICE MENU 1 IF Adjustment of the IF circuits 2 V C Adjustment of the VIDEO circuit 3 DEF Adjustment of the DEFLECTION circuit 4 VSM PRESET Adjustment of the initial setting values o...

Page 13: ...urn to the SERVICE MENU 1 1 key Select 1 IF 2 2 key Select 2 DELAY POINT 3 MENU keys Set adjust the setting values of the setting items 4 DISPLAY key When this is pressed twice you will return to the SERVICE MENU 1 2 to 4 keys Select one from 2 V C 3 DEF and 4 VSM PRESET 2 MENU keys Select setting items 3 MENU keys Adjust the values of the items 4 DISPLAY key When this is pressed return to the SER...

Page 14: ...NT UHF AGC TAKE OVER OPERATE DISP EXIT 6 SETUP TOUR OFF BRIGHT TINT COLOUR BRIGHT CONT SHARP OPERATE DISP EXIT 4 VSM PRESET SELECT DEF PAL OPERATE DISP EXIT 3 DEF SELECT 50Hz 1 VER POSITION V C PAL 1 CUTOFF R G B OPERATE DISP EXIT 50Hz 2 V C SELECT PRESET PAL 1 C TRAP FIX OPERATE DISP EXIT 50Hz B G 5 PRESET SELECT SERVICE MENU 1 IF 2 V C 3 DEF 4 VSM PRESET 5 PRESET 6 SETUP TOUR OFF 1 6 SELECT DISP...

Page 15: ... 50 50 BLUE 128 127 50 50 50 50 2 DRIVE RED 128 127 0 0 0 0 BLUE 128 127 0 0 0 0 3 BRIGHT 128 127 0 0 0 0 4 CONT 63 63 0 0 0 0 5 COLOUR 63 63 0 0 0 5 6 TINT TV 63 63 VIDEO 63 63 0 2 7 SECAM BL ADJUST 31 31 0 0 0 0 8 SHARP Do not adjust TV 31 31 2 Fixed 2 Fixed 2 Fixed 2 Fixed VIDEO 31 31 15 Fixed 15 Fixed 15 Fixed 15 Fixed Setting item Variable range Initial setting value fv 50Hz fv 60Hz 1 VER POS...

Page 16: ...ELAY TIME TV 0 3 0 2 2 3 VIDEO 0 3 0 2 0 2 6 BLACK EXP START 0 3 3 3 3 3 7 C BPF TV 0 1 1 1 0 0 VIDEO 0 1 1 1 1 1 8 CW SCP 0 1 0 0 0 0 9 VIF DET LEVEL 63 63 0 0 0 0 11 IF AGC MIN 0 1 0 0 0 0 12 VIF AGC 0 1 0 0 0 0 13 VIF PMOD 0 1 0 0 0 0 19 VNR 0 63 15 15 15 15 20 RGB LIM 0 1 1 1 1 1 21 RGB LIMIT LEVEL 0 7 2 2 2 2 23 TEXT H POSITION 16 15 3 3 3 3 24 READ DATA Setting item Variable range Initial se...

Page 17: ...ectly calibrated 1 Receive any broadcast 2 Select 1 IF from the SERVICE MENU 3 Select 1 VCO 4 Select VCO ADJUST with MENU key 5 Press MENU keys until the colour of the characters TOO HIGH changes blue to yellow Then gradually press the MENU keys until the TOO LOW changes yellow At this time confirm that the value of VCO ADJUST is near 00 6 Select AFT ADJUST with MENU key 7 Press MENU keys until th...

Page 18: ...re are no irregularities Item Measuring instrument Test point Adjustment part Description DELAY POINT UHF AGC TAKE OVER OPERATE DISP EXIT Setting Item Variable range Initial setting value 45 35 DELAY POINT AGC TAKE OVER 0 127 NTSC3 58 OTHER Item Measuring instrument Test point Adjustment part Description FOCUS Signal generator FOCUS VR In HVT 1 Receive a crosshatch signal 2 While watching the scre...

Page 19: ...ION 4 Set the initial setting value of 1 VER POSITION 5 Adjust 1 VER POSITION to make the vertical centre fall on the display centre 6 Select 3 VER HEIGHT 7 Set the initial setting value of 3 VER HEIGHT 8 Adjust 3 VER HEIGHT to make the vertical screen size be 92 of the picture size Fig 1 H POSITION Signal generator Remote control unit 3 DEF 2 HOR POSITION 1 Receive a circle pattern signal 2 Selec...

Page 20: ...the 2 key to turn off the single horizontal line 10 Press the DISPLAY key twice to return to the nor mal screen WHITE BALANCE HIGH LIGHT Signal generator Remote control unit 2 V C 2 DRIVE R 2 DRIVE B 1 Receive a black and white signal colour off 2 Select 2 V C from the SERVICE MENU 3 Select 2 DRIVE 4 Set the initial setting value of 2 DRIVE 5 Adjust the screen until it becomes white using the 4 6 ...

Page 21: ...OUR PAL SECAM NTSC Method of adjustment using measuring instrument PAL COLOUR 1 Receive a PAL full field colour bar signal 75 white 2 Select 2 V C from the SERVICE MENU 3 Select 5 COLOUR 4 Set the initial setting value of 5 COLOUR 5 Connect the oscilloscope between TP 47G R and TP E 6 Adjust PAL COLOUR to bring the value of A in the voltage table SECAM COLOUR 1 Receive a SECAM full field colour ba...

Page 22: ...ct the oscilloscope between TP 47G R and TP E 6 Adjust NTSC 3 58 TINT to bring the value of B in the voltage table in the left NTSC 4 43 TINT 1 When NTSC 3 58 is set NTSC 4 43 will be automatically set at the respective values SECAM BLACK OFFSET Signal generator Remote control unit 2 V C 7 SECAM BL ADJUST 1 Input a SECAM full field colour bar signal 2 Select 2 V C from the SERVICE MENU 3 Select 7 ...

Page 23: ...BRIGHT 3 Select TINT 4 Set the initial setting value of TINT as shown in the below table 5 Select COLOUR to SHARP in turn and set the values 6 Respectively select the SOFT and STANDARD Make similar adjustment as same step as above BRIGHT SELECT OPREATE DISP EXIT TINT COLOUR BRIGHT CONT SHARP Setting item Variable range Initial setting value BRIGHT STANDARD SOFT TINT 0 30 15 15 15 COLOUR 0 30 15 15...

Page 24: ...ition them horizontally Fig 2 7 Adjust the gap between two lugs so that the GREEN RASTER will come into the centre of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal 11 Verify that the screen is ho...

Page 25: ...ve and make best convergence DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap the lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1 and 2 above and make best convergence 4 Adjust XV by XV coil Fig 4 After adjustment fix the wedge at the original position Fasten the retainer screw of the def...

Page 26: ...A SCL SDA SCL SDA 5V OUT B1 FOCUS TU001 TUNER SPEAKER L SPEAKER R HEADPHONE REMOCON RECEIVER POWER LED TIMER LED CRT V H DEF YOKE IC702 MEMORY Q102 IF AMP SF102 SAW FILTER IC921 POWER REG IC971 9V REG IC972 5V REG IC421 V OUT Q522 H OUT Q521 H DRIVE D901 T522 FBT R OUT Q351 G OUT Q352 B OUT Q353 IC701 MICRO COMPUTER IC301 1CHIP DECODER IC651 AUDIO AMP IC703 5V REG RESET T921 SW TRANSF REAR IN VIDE...

Page 27: ... C727 R773 D706 R721 C713 C736 C735 C734 C733 C732 R748 C717 R729 R709 R710 R711 R725 C716 C718 R708 C728 D707 C708 D303 R750 R749 R303 R120 L103 R121 C311 R314 C501 R502 R312 C310 R501 R313 R304 R305 C122 C326 C115 C116 R723 C312 ABL 9V V_SYNC H_OUT H_VCC FBP V_OUT A PROT P_ON OFF X_RAY 5V A_VCC A_GND STB_PW 32V R162 R164 C165 CP701 R719 C726 033 4 7k 0 180p 4 7k X 390 82k 6 01 4 7k 10K 1k 100k 1...

Page 28: ...3 C941 D929 K942 C948 R582 CP981 R552 R551 C553 D553 R442 C901 R581 TH901 S901 F901 R432 C909 R443 R433 R985 D973 Q973 R986 R987 C572 D424 C436 D423 Y903 C561 R980 CN00U R529 R524 C555 D552 C424 CN0PW D582 D928 C529 C925 R978 C581 D941 R530 C949 R554 Y961 D562 L551 D561 C531 R565 D571 C562 R440 R906 C910 K943 R575 D555 R431 C435 Y503 C425 D551 R578 C530 R528 R525 R573 D584 R574 C922 D933 R935 D421...

Page 29: ...47 W628 R301 R302 R303 R304 R305 R306 R307 R308 W481 W482 CL005 R348 R313 R341 J002 D982 D983 R810 X7 01 K701 Y705 K703 K704 Q702 Q703 FC901 C010 R349 C011 W576 A D731 R740 H006 R924 Y301 W011 W566 R925 W012 W014 R401 R421 R422 23 R4 R424 R425 R426 R4 30 R431 R441 R442 R453 R503 W649 R565 R566 R575 R583 W073 F901 Q804 CN0PW R772 R657 R658 R659 R652 R656 R660 W655 Q981 C657 R7 06 R707 R708 R7 09 R7...

Page 30: ... 30 0 31 0 32 0 33 0 34 4 9 35 4 7 36 4 9 37 4 4 38 4 4 39 4 9 40 0 41 2 1 42 0 IC702 1 0 2 0 3 0 4 0 5 4 9 6 4 9 7 0 8 4 9 IC703 1 14 4 2 5 8 3 0 4 4 9 5 4 9 IC704 1 4 5 2 4 9 3 0 IC921 1 314 0 2 NC 3 0 4 0 5 31 8 6 0 7 0 7 IC971 1 12 8 2 9 0 3 0 IC972 1 9 2 2 4 9 3 0 Q102 E 0 C 9 0 B 2 3 Q103 E 0 C 0 B 4 0 Q161 E 2 5 C 8 3 B 3 2 Q301 E 4 6 C 0 B 4 0 Q302 E 4 0 C 9 0 B 4 6 Q401 E 0 C 0 B 5 4 Q402...

Page 31: ...s IC301 42 2 5 Vp p H IC301 46 2 5 Vp p V IC701 27 5 0 Vp p H IC701 35 5 0 Vp p V IC421 1 0 6 Vp p V IC421 3 30 Vp p V IC421 5 60 Vp p V IC421 6 30 Vp p V Q521 C 38 Vp p H Q521 B 1 5 Vp p H Q522 C 1000Vp p H Q522 B 2 0 Vp p H T522 1 1000 Vp p H T522 3 55Vp p H H H T522 5 220 Vp p T522 9 220Vp p H T522 7 25 Vp p Q351 C Q352 C Q353 C 110 Vp p H 120 Vp p H H 120 Vp p SHEET2 SHEET2 ...

Page 32: ...ARD REMOTE CONTROL UNIT 3 3 EXPLODED VIEW PARTS LIST 1 3 3 EXPLODED VIEW 1 3 4 PRINTED WIRING BOARD PARTS LIST 3 5 MAIN P W BOARD ASS Y SCG 1546A H2 3 5 REMOTE CONTROL UNIT PARTS LIST RM C360GY 1H 3 8 PACKING 3 8 PACKING PARTS LIST 3 8 ...

Page 33: ...A H LED LENS 11 QYSBSFG4016ZA TAP SCREW M4 x 16mm x6 12 QYSBSF3010ZA TAP SCREW M3 x 10mm 13 QYSBSFG4016ZA TAP SCREW M4 x 16mm 14 GG10421 002B H REAR COVER 15 CM47005 A01 H POWER CORD CLAMP 16 QMPR340 165 K2 POWER CORD 1 65m BLACK 17 GG30119 001B H SUB PCB HOLDER 18 A48457 3 H SPRING 19 WJY0008 006A E BRAIDED ASS Y 20 GG30151 001A H CHASSIS RAIL x2 21 QYSBSF4012ZA TAP SCREW M4 x 12mm x4 22 QAS0347 ...

Page 34: ...3 4 No YA415 EXPLODED VIEW 1 RATING LABEL 1 2 3 100 102 103 101 CRT SOCKET PWB Within MAIN PWB 30 T522 L01 V01 MAIN PWB 30 16 15 11 12 14 18 20 19 21 22 21 22 FRONT LED PWB Within MAIN PWB 30 13 17 ...

Page 35: ...ETN1HM 474Z E CAPACITOR 0 47uF 50V M C120 NDC31HJ 121X C CAPACITOR 120pF 50V J C121 NCB31HK 103X C CAPACITOR 0 01uF 50V K C122 NCB31HK 103X C CAPACITOR 0 01uF 50V K C162 NCB31HK 152X C CAPACITOR 1500pF 50V K C301 NCB31HK 123X C CAPACITOR 0 012uF 50V K C302 QETN1HM 475Z E CAPACITOR 4 7uF 50V M C303 NDC31HJ 100X C CAPACITOR 10pF 50V J C304 QFVF1HJ 474Z MF CAPACITOR 0 47uF 50V J C305 QETN1HM 474Z E C...

Page 36: ...TOR 1kΩ 1 16W J R321 NRSA63J 152X MG RESISTOR 1 5kΩ 1 16W J Ref No Part No Part Name Description Local R322 NRSA63J 272X MG RESISTOR 2 7kΩ 1 16W J R323 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R324 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R326 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R327 NRSA63J 475X MG RESISTOR 4 7MΩ 1 16W J R341 NRSA63J 332X MG RESISTOR 3 3kΩ 1 16W J R347 NRSA63J 392X MG RESISTOR 3 9kΩ 1...

Page 37: ...ISTOR 1 8Ω 1 2W J R922 QRE121J 221Y C RESISTOR 220Ω 1 2W J R923 QRZ0237 R18 UNF WW RESISTOR 0 18Ω 3W J R924 NRSA63J 154X MG RESISTOR 150kΩ 1 16W J R925 NRSA63J 105X MG RESISTOR 1MΩ 1 16W J R928 QRL039J 683 OMF RESISTOR 68kΩ 3W J R933 QRE121J 4R7Y C RESISTOR 4 7Ω 1 2W J R934 NRSA63J 683X MG RESISTOR 68kΩ 1 16W J R935 QRE121J 392Y C RESISTOR 3 9kΩ 1 2W J R974 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R...

Page 38: ...VER Ref No Part No Part Name Description Local 1 GG10285 012A H PACKING CASE 2 GG10422 001A H CUSHION ASS Y 5pcs in 1set 3 GG30097 003A H POLY BAG 4 GG30096 001A H POLY BAG 5 BATTERY 1 5V AA R6 x2 6 GGT0106 001B H INST BOOK 7 GGT0107 001B H DIGEST MANUAL 8 RM C360GY 1H REMOCON UNIT 9 GG30147 001B H CORNER LABEL 2pcs in 1set 9 1 9 2 3 2 8 4 5 6 7 ...

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