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JVC AV-28KT1SUF/D, Service Manual

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JVC AV-28KT1SUF/D Service Manual Download Page 18

(No.52137D)

Display Category  12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan

Victor Company of Japan, Limited

VPT

Printed in Japan

SECTION 5

TROUBLESHOOTING

This service manual does not describe TROUBLESHOOTING.

Summary of Contents for AV-28KT1SUF/D

Page 1: ...ictor Company of Japan Limited No 52137D 2006 7 COLOUR TELEVISION 52137D 2006 7 AV 28KT1SUF D TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 3 3 DISASSEMBLY 1 4 4 ADJUSTMENT 1 8 5 TROUBLESHOOTING 1 18 RM C1100TV ...

Page 2: ... L 33 9MHz L 33 4MHz 5 5MHz B G 32 9MHz 6 0MHz I 32 4MHz 6 5MHz D K L 40 4MHz 6 5MHz L Colour Sub Carrier Frequency PAL SECAM NTSC 4 43MHz 4 40625MHz 4 43MHz 3 58MHz 4 43MHz Power Input AC220V AC240V 50Hz Power Consumption 105W Max 3W Standby Aerial Input Terminal 75Ω unbalanced coaxial Picture Tube Size Visible size 66cm 28 High Voltage 30 0kV at zero bean current Speaker 5 5cm 16cm Oval type 2 A...

Page 3: ...etails other than those described in this manual please refer to the AV 28KT1SUF A service manual No 52137 2003 10 2 2 HOW TO IDENTIFY NEW MODEL Distinguish name is added at the bottom of the Rating label 2 3 DIFFERENCE LIST SPECIFICATION USING P W BOARD Item Contents AV 28KT1SUF A AV 28KT1SUF D Mass 33kg 34kg Power Consumption 120W Max 3W Standby 105W Max 3W Standby P W B ASS Y Name AV 28KT1SUF A...

Page 4: ...OTE Work after fixing so that the CRT screen may be placed upside down or it may not fall 3 1 7 REMOVING THE POWER SW PWB Remove the REAR COVER Remove the BASE 1 Remove the 2 screws H 2 Remove the POWER SW PWB 3 1 8 REMOVING THE LED PWB Remove the REAR COVER Remove the BASE Remove the POWER SW PWB 1 Remove the 2 screws J 2 Remove the LED PWB 3 1 9 CHECKING THE PW BOARD To check the back side of th...

Page 5: ...o 52137D 1 5 Fig 1 REAR COVER B A SIDE CONTROL PWB PICTURE TUBE G E CRT SOCKET PWB J H LED PWB POWER SW PWB FRONT CABINET SPEAKER BASE F FUNCTION BUTTON BACK DOOR D C FBT MAIN PWB CHASSIS FRAME POWER CORD ...

Page 6: ...CE MENU screen of Fig 1 will be displayed 3 Verify what to set in the SERVICE MENU and set whatever is necessary Refer to the SERVICE AD JUSTMENT for setting 4 Press the MENU key to exit SERVICE MENU 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS USER S GUIDE and set the receive channels Channels Preset as described 6 User settings Check the user setting items according to after pag...

Page 7: ...WER Off CHANNEL PR1 Setting item Setting position CHANNEL PR1 ZOOM AUTO Hyper Sound OFF Setting item Setting position PICTURE MODE BRIGHT COLOUR TEMP COOL VNR AUTO VCR MODE OFF Setting item Setting position BALANCE CENTRE SOUND MODE STEREO Setting item Setting position SLEEP TIMER OFF CHILD LOCK OFF LANGUAGE ENGLISH EXT 2 OUTPUT TV BLUE BACK ON Setting item Setting position COLOUR SYSTEM AUTO DECO...

Page 8: ...art the adjustment procedures after waiting at least 30 minutes 5 Unless otherwise specified prepare the most suitable reception or input signal for adjustment 6 Never touch any adjustment parts which are not specified in the list for this adjustment variable resistors transformers condensers etc 7 Presetting before adjustment Unless otherwise specified in the adjustment instructions preset the fo...

Page 9: ... FRONT MENU P Ch V L R HEAD PHONE FUSE POWER SW LED PWB POWER SW PWB TOP EXT 1 SCART EXT 2 SCART IR RECEIVER LED SOLDER SIDE CRT SOCKET PWB SOLDER SIDE DEG COIL PFC COIL DEF YOKE POWER CORD SPEAKER R SPEAKER L PL101 PL102 PL902 PL901 PL107 PL111 PL106 PL110 PL100 PL103 PL605 PL115 PL116 PL401 PL404 PL801 PL802 PL800 PL602 PL603 PL105 ...

Page 10: ...ess the FUNCTION key to select the adjustment item 3 Press the FUNCTION key to set the setting value 4 5 3 HOW TO EXIT SERVICE MODE 1 Press the MENU key AK49 0 0 104 JVC GRA 224 225 226 227 001 002 003 005 000 000 079 OFF OFF OFF OFF 001 SAVEFS LOADFS DCXO DCXOA FAPS ISPM INIT AGCSPD 006 033 AGCTO SETTING VALUE ADJUSTMENT ITEM SERVICE MENU TV RM C1100 VCR STANDARD AV MENU P P MUTING key INFORMATIO...

Page 11: ... 015 001 041 BS2 000 015 002 042 BS3 000 015 008 043 CB 000 255 142 044 B1 H 000 255 011 045 B1 L 000 255 082 046 B2 H 000 255 030 047 B2 L 000 255 002 048 FRAV 000 003 001 049 YSCM 000 015 012 050 YNTS 000 015 002 051 YPAL 000 015 012 052 YAV1 000 015 012 053 YAV2 000 015 012 054 Y_S1 000 015 012 055 Y_S2 000 015 012 056 COMB 000 Not active 000 001 Active 058 BLCS 000 Disable 000 001 Enable 059 B...

Page 12: ...tem No Item name Variable range Setting value 117 OPEQ 000 Disable 000 001 Enable 118 000 119 V 3D 000 063 000 120 000 121 ODUB 000 005 000 122 AVLL 000 015 002 123 AVLW 000 001 000 124 AVLM 000 005 003 125 OPAVL 000 001 000 126 AVL 000 001 001 127 DECL 000 031 015 128 MNLV 000 031 015 129 ADCAM 000 031 010 130 ADCAV 000 031 013 131 NICL 000 031 015 132 AV1 PRESCL 000 063 046 133 AV2 PRESCL 000 06...

Page 13: ...PABASP 000 063 034 189 PATRSP 000 063 036 190 PAB1SP 000 063 036 191 PAB2SP 000 063 044 192 PAB3SP 000 063 044 193 PAB4SP 000 063 040 194 PAB5SP 000 063 024 198 CTI1 000 255 032 199 CTI2 000 255 008 200 CTI3 000 255 228 201 P BS1 000 015 001 202 P BS2 000 015 002 203 P BS3 000 015 004 204 P CB 000 255 142 205 P B1H 000 255 012 206 P B1L 000 255 032 207 P B2H 000 255 030 208 P B2L 000 255 002 209 P...

Page 14: ... the lines to be come as thin as possible FBT FOCUS VR SCREEN VR Item Measuring instrument Test point Adjustment part Description SCREEN adjustment Remote control unit SCREEN VR On the FBT 009 VG2 SERVICE MODE 1 Enter the SERVICE MODE 2 Select VG2 3 Adjust the SCREEN VR until the STABLE IN sign appears on the screen AK49 0 0 104 JVC GRA 005 006 007 008 009 010 011 001 033 025 031 031 001 035 STABL...

Page 15: ...RT AMP item if the adjustment becomes improper after some other geometric adjustments are done VERTICAL S CORRECTION LINEARITY adjustment Signal generator Remote control unit 015 SCORRECTION 017 V LINEARITY 1 Receive a crosshatch signal 2 Enter the SERVICE MODE 3 Select SCORRECTION 4 Adjust SCORRECTION until the size of squares on both the upper and lower part of crosshatch pattern become equal to...

Page 16: ... the left and right sides of the crosshatch will be visible nor screen will be so wide 5 Check and readjust EW WIDTH item if the adjustment becomes improper after some other geometric adjustments are done BOW adjustment Signal generator Remote control unit 024 HOR BOW 1 Receive a crosshatch signal 2 Enter the SERVICE MODE 3 Select HOR BOW 4 Adjust HOR BOW until the vertical lines become straight 5...

Page 17: ...t side of the screen 5 Check and readjust EW PARAB item if the adjustment becomes improper after some other geometric adjustments are done CORNER adjustment Signal generator Remote control unit 022 UC PARAB 023 LC PARAB 1 Receive a crosshatch signal 2 Enter the SERVICE MODE 3 Select UC PARAB 4 Adjust UC PARAB until vertical lines at the upper corners of the picture frame become vertical and parall...

Page 18: ...tegory 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 19: ...pacitor MF R Metal Film Resistor MF CAP Metalized Film Capacitor MG R Metal Glazed Resistor MM CAP Metalized Mylar Capacitor MP R Metal Plate Resistor MP CAP Metalized Polystyrol Capacitor OM R Metal Oxide Film Resistor PP CAP Polypropylene Capacitor CMF R Coating Metal Film Resistor PS CAP Polystyrol Capacitor UNF R Non Flammable Resistor TF CAP Thin Film Capacitor CH V R Chip Variable Resistor M...

Page 20: ... BOARD ASS Y VE 20247134 3 9 SIDE CONTROL P W BOARD ASS Y VE 20209390 3 10 POWER SW P W BOARD ASS Y VE 20209413 3 10 LED P W BOARD ASS Y VE 20209387 3 10 PACKING 3 11 PACKING PARTS LIST 3 11 USING P W BOARD REMOTE CONTROL UNIT P W B ASS Y name P W B ASS Y No MAIN P W B VE 20265027 CRT SOCKET P W B VE 20247134 SIDE CONTROL P W B VE 20209390 POWER SW P W B VE 20209413 LED P W B VE 20209387 REMOTE CO...

Page 21: ...14391 RUBBER FOOT x2 18 VE 40024076 CABLE HOLDER 19 VE 30016513 POWER CORD 2 2m 51 VE 30020822 E HARNESS ASSY MAIN PL102 SIDE CONTROL PWB 52 VE 30038429 E HARNESS ASSY MAIN PL103 LED PWB 53 VE 30038428 E HARNESS ASSY MAIN PL101 LED PWB 54 VE 30032691 E HARNESS ASSY MAIN PL800 POWER SW PWB 55 VE 30019083 E HARNESS ASSY MAIN PL603 DEF YOKE 56 VE 30032963 E HARNESS ASSY MAIN PL602 DEF YOKE 57 VE 3002...

Page 22: ...3 4 No 52137D EXPLODED VIEW 1 9 V01 L01 102 1 8 104 105 103 13 14 15 6 5 7 2 3 17 4 12 10 T601 101 11 16 18 19 ...

Page 23: ...FRONT MENU P Ch V L R HEAD PHONE LED PWB POWER SW PWB TOP SOLDER SIDE CRT SOCKET PWB SOLDER SIDE DEF YOKE SPEAKER R SPEAKER L PL101 PL102 PL902 PL901 PL107 PL111 PL106 PL110 PL103 PL605 PL115 PL116 PL401 PL404 PL800 PL602 PL603 PL105 51 52 53 55 54 56 57 58 59 61 62 63 60 ...

Page 24: ...IODE D809 VE 30001288 DIODE D810 VE 30038472 Z DIODE D811 VE 30001318 DIODE D813 VE 30001285 DIODE D814 VE 30001343 DIODE D815 VE 30001285 DIODE D816 VE 30001323 DIODE D817 VE 30034072 DIODE D818 VE 30009366 DIODE D819 VE 30001288 DIODE D820 VE 30009366 DIODE D822 VE 30001318 DIODE D823 VE 30001329 DIODE D827 VE 30038478 DIODE C100 VE 30016654 CAPACITOR 100nF 16V K C101 VE 30000371 E CAPACITOR 22u...

Page 25: ... J C441 VE 30000296 C CAPACITOR 100nF 100V Z Ref No Part No Part Name Description Local C449 VE 30000352 E CAPACITOR 100uF 16V M C450 VE 30016654 CAPACITOR 100nF 16V K C604 VE 30000407 E CAPACITOR 470uF 16V M C605 VE 30000074 CAPACITOR 100nF 63V J C606 VE 30000090 CAPACITOR 22nF 100V J C607 VE 30023474 CAPACITOR 6 2nF 2000VDC C608 VE 30023478 CAPACITOR 8 2nF 2000VDC C609 VE 30000107 CAPACITOR 47nF...

Page 26: ...ISTOR 1 16W 100R J R247 VE 30012982 RESISTOR 1 16W 10R J Ref No Part No Part Name Description Local R248 VE 30012657 RESISTOR 1 16W 1K J R249 VE 30012509 RESISTOR 1 16W 100K J R250 VE 30014078 RESISTOR 1 16W 22R J R251 VE 30012713 RESISTOR 1 16W 75R J R252 VE 30012668 RESISTOR 1 16W 220R J R265 VE 30012684 RESISTOR 1 16W 330R J R266 VE 30012684 RESISTOR 1 16W 330R J R267 VE 30012713 RESISTOR 1 16W...

Page 27: ... R865 VE 30000787 RESISTOR 1 10W 680K J R866 VE 30000787 RESISTOR 1 10W 680K J R867 VE 30003638 RESISTOR 1W 270K J R868 VE 30000626 RESISTOR 1 10W 270R J TR600 VE 30032669 LINE DRIVER TR800 VE 30031845 TRF VR800 VE 30042657 RESISTOR ADJ 1 10W 560R VER L100 VE 30001971 FERRITE L101 VE 30001971 FERRITE L103 VE 30001971 FERRITE L104 VE 30001971 FERRITE L105 VE 30001971 FERRITE L106 VE 30001971 FERRIT...

Page 28: ... C CAPACITOR 100pF 50V J C103 VE 30000191 C CAPACITOR 100pF 50V J C104 VE 30000191 C CAPACITOR 100pF 50V J C105 VE 30000307 C CAPACITOR 2 2nF 50V K B R102 VE 30000594 RESISTOR 1 4W 22K J R103 VE 30000712 RESISTOR 1 4W 470R J R104 VE 30000594 RESISTOR 1 4W 22K J R106 VE 30000712 RESISTOR 1 4W 470R J R122 VE 30000770 RESISTOR 1 4W 680R J R123 VE 30000712 RESISTOR 1 4W 470R J R124 VE 30000622 RESISTO...

Page 29: ... 50042308 POLY BAG 1200x1050mm 5 VE 30017763 REMOTE CONTROL UNIT RM C1100 6 BATTERY AA R06 x2 7 VE 50085999 INST BOOK Swedish Norwegian Finn Danish 7 VE 50086735 INST BOOK English French Dutch Spanish German Italian Portuguese 7 VE 50086736 INST BOOK Polish Czech Hungarian Bulgarian Romanian 8 WARRANTY CARD VE 50086733 9 VE 20264952 LABEL 1 3 2 2 5 6 7 9 8 ...

Page 30: ...COPYRIGHT 2006 Victor Company of Japan Limited No 52137D 2006 7 COLOUR TELEVISION 52137D 2006 6 AV 28KT1SUF D RM C1100TV SCHEMATIC DIAGRAMS CD ROM No SML200607 ...

Page 31: ...V 4 Power Supply Type MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit Others µH As specified No indication Ceramic capacitor 2 Capacitors Capacitance value 1 or higher pF less than 1 µF Withstand voltage No indication DC50 V Other...

Page 32: ...2 19 CRT SOCKET PWB PATTERN 2 23 SIDE CONTROL PWB PATTERN 2 24 LED PWB PATTERN 2 25 POWER SW PWB PATTERN 2 25 USING P W BOARD P W B ASS Y name MAIN P W BOARD SIDE CONTROL P W BOARD LED P W BOARD POWER SW P W BOARD CRT SOCKET P W BOARD VE 20265027 VE 20209390 VE 20209387 VE 20209413 VE 20247134 P W B ASS Y number 2 2 No 52137D IC BOTTOM VIEW FRONT VIEW TOP VIEW 1 N N 1 OUT E IN IN OUT E 1 N TOP VIE...

Page 33: ...RT 2 CVBS_OUT CVBS_IN L R _ In L R _ Out R G B FBLK SCART 1 CVBS_OUT CVBS_IN L R _ In L R _ Out SCART 3 UART I2C CVBS_IN L R _ In R G B FBLK VESTELBUS Video_in Rin Lin BAV Video_in Rin Lin FAV F_SVHS Y C B_SVHS Y C Audio Amplifier SWoofer Amplifier HP AMPLIFIER TDA1308T PIP CTI MODULE Video SW BLOCK DIAGRAM SIDE CONTROL PWB MAIN PWB FRONT TOP TOP FRONT MENU P Ch V L R HEAD PHONE LED PWB POWER SW P...

Page 34: ...the part list for the part number of IC101 MAIN PWB ASS Y 1 4 VE 20265027 CRT SOCKET PWB ASS Y PL901 LED PWB ASS Y PL102 SIDE CONTROL PWB ASS Y PL109 LED PWB ASS Y PL101 SIDE CONTROL PWB ASS Y PL107 SIDE CONTROL PWB ASS Y PL106 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 1 4 ...

Page 35: ...2 8 No 52137D No 52137D 2 7 c11ak49 7_0047_0413_3 4_0 0 SIDE CONTROL PWB ASS Y PL112 SIDE CONTROL PWB ASS Y PL113 OPEN MAIN PWB ASS Y 2 4 VE 20265027 MAIN PWB CIRCUIT DIAGRAM 2 4 ...

Page 36: ... No 52137D 2 9 2 10 No 52137D c11ak49 7_0037_0413_2 4_0 0 CRT SOCKET PWB ASS Y PL902 DEF YOKE DEF YOKE MAIN PWB ASS Y 3 4 VE 20265027 MAIN PWB CIRCUIT DIAGRAM 3 4 ...

Page 37: ...2 12 No 52137D No 52137D 2 11 c11ak49 7_0027_0413_1 4_0 0 PFC COIL POWER SW PWB ASS Y PL801 MAIN PWB ASS Y 4 4 VE 20265027 MAIN PWB CIRCUIT DIAGRAM 4 4 ...

Page 38: ... No 52137D 2 13 2 14 No 52137D c11tp49b 4_0509_1 1_0 0 MAIN PWB ASS Y 1 4 PL105 MAIN PWB ASS Y 3 4 PL605 CRT SOCKET PWB ASS Y VE 20247134 V01 CRT SOCKET PWB CIRCUIT DIAGRAM ...

Page 39: ...1sb107 9_0602_1 1_0 0 SIDE CONTROL PWB ASS Y VE 20209390 MAIN PWB ASS Y 1 4 PL102 MAIN PWB ASS Y 1 4 PL115 MAIN PWB ASS Y 2 4 PL401 MAIN PWB ASS Y 2 4 PL404 MAIN PWB ASS Y 1 4 PL116 SPEAKER R SPEAKER L SIDE CONTROL PWB CIRCUIT DIAGRAM ...

Page 40: ...ld13 1_0602_1 1_0 0 c11sw02_0509_1 1_0 0 LED PWB ASS Y VE 20209387 POWER SW PWB ASS Y VE 20209413 MAIN PWB ASS Y 1 4 PL101 MAIN PWB ASS Y 1 4 PL103 MAIN PWB ASS Y 4 4 PL800 POWER CORD LED PWB CIRCUIT DIAGRAM POWER SW PWB CIRCUIT DIAGRAM ...

Page 41: ...2 20 No 52137D No 52137D 2 19 FRONT PATTERN DIAGRAMS MAIN PWB PATTERN SOLDER SIDE ...

Page 42: ... No 52137D 2 21 2 22 No 52137D FRONT MAIN PWB PATTERN PARTS SIDE ...

Page 43: ...2 24 No 52137D No 52137D 2 23 TOP TOP CRT SOCKET PWB PATTERN SOLDER SIDE CRT SOCKET PWB PATTERN PARTS SIDE TOP TOP SIDE CONTROL PWB PATTERN SOLDER SIDE SIDE CONTROL PWB PATTERN PARTS SIDE ...

Page 44: ... No 52137D 2 25 2 26 No 52137D TOP FRONT LED PWB PATTERN POWER SW PWB PATTERN ...

Page 45: ... No 52137D Display Category 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

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