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JVC AV-14JT5EU, AV-21JT5EU, Service Manual

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JVC AV-14JT5EU, AV-21JT5EU Service Manual Download Page 14

AV-21JT5EU AV-21JT5EUB

AV-14JT5EU AV-14JT5EUB

No.51721

No.51721

AV-21JT5EU AV-21JT5EUB

AV-14JT5EU AV-14JT5EUB

2

U101 TUNER

SF101

PICTURE

S/F

SF102

SOUND

S/F

T401

TRANS

DRIVE

Q402

Horizontal

TR

I901

TDA6103Q

I501

STV2238

-BUS

CONTROL

-PIF

-SIF

-AUDIO/VIDEO

SWICHES

-LUMINANCE

PROCESSING

-PAL/SECAM/NTSC

CHROMA

DECODER

-DEFLECTION

PROCESSOR

I701

U-COM

With

TELETEXT

ST92195

I702

EEPROM AT24C16

I704

REMOCON PREAMP

LED

SW701-705 CONTROL

KEY

ST-BY

CRT

T402

FBT

45V

H.V

I301

TDA1771

I805

STV8131

I703

KA7805

L801

LINE

FILTER

T801

TRANS

SMPS

133V

133V

I801

POWRE

MODULE

12V

15V

15V

VID.B+

HEATER

H.OUT

V.OUT

V.SIZE

CVBS

OSD

R

OSD

G

OSD

B

BL

HALH

TONE

IF

5V

33V

AGC

DATA

CLK

SCART

JACK

POWER

JS02

AV

JACK

AFC

H.SYNC

V.SYNC

S.MUTE

SCREEN

8V

5V

ST-BY5V

Q701

RESET

SW

RESET5V

REMOT

E

LED

KEY_IN

IR

SCL SDA

5V

8V

Vccd

Vcc_if

HVcc1

Vcc2

A.IN

V.IN

R

G

B

R

G

B

SPEAKER

CVBSOUT

EXTV.IN

EXTR,G,B

EXTA.IN

EXTA.OUT

H.V

FOCUS

SCREEN

VID.B+

ABL

HOR.

VERT.

D/G

COIL

I601

TDA7267A

Vertical

Deflection

Circuit

Audio

Amplifier

Circuit

Disable

Voltage

Regulator

12V

27V

AC

220V

50Hz

RF

INPUT

ANTENNA

PW

ON

(H)

133V

12V

Q801 FET

S

D

S

3W

8OHM

SPEAKER

3W

8OHM

2

SPK

OPTION

JS01

2-2

BLOCK DIAGRAM

2-7

DIFFERENCE LIST

!

SYMBOL

AV-14JT5EU

AV-14JT5EBU AV-21JT5EU

AV-21JT5EBU

!

CRT

i

I.T.C.)

4859608640     

4859629360C    

!

DEG COIL

58G0000084     

58G0000074     

PWB ASSY

PTMPMSA616J   PTMPMSA618J   PTMPMSD616J   PTMPMSD618J   

R401 

×

1W 2.7K    

!

R403 

2W 4.3

2W 2.2   

R809 

1/4 10K      

1/4 36K          

RC301

1/10 360      

1/10 510

RC302

1/10 2.4K      

1/10 2.2K  

RC304

1/10 2.7K  

1/10 3K   

RC405

1/10 3.6K 

1/10 5.6K  

RC406

×

1/10 5.6K   

RC529

1/10 270      

1/10 100   

RC530

1/10 270      

1/10 100     

RC531

1/10 270      

1/10 100    

RC822

1/10 130K     

1/10 27K     

RC902

1/10 3K       

1/10 2.7K    

RC903

1/10 3K      

1/10 2.7K   

RC904

1/10 3K      

1/10 2.7K   

C304 

50V  22

50V  10

C401 

200V 0.36  

200V 0.18    

!

C404 

1.6KV 6900P  

1.6KV 6600P   

C407 ×

500V 

 

560P

L402 

×

58H0000052     

D816 

DTZX3V9B--     

DMTZJ10B--     

J008 JUMPER

×

J137 JUMPER

×

!

CRT SOCKET

4859303430     

4859303530     

SF101

5PG3962M--      5PK7257M--

5PG3962M--      5PK7257M--

I701 

1DW195DE5Q     1DW195CR3Q     1DW195DE5Q     1DW195CR3Q

Summary of Contents for AV-14JT5EU, AV-21JT5EU

Page 1: ...9 7 8 9 7 8 217 176 T 63 7 216 T 6 7 35 87 216 T 81 7 216 T 63 6 59 16758 7 216 T 6 59 8670 176 è 67 1 5 5 8 7 5 0 33 1 T 3 576 67 6 59 0 18 2 285 7 9 6 21 2FW 5 9 6 3OHDVH WKURZ LW RXW WKH VHUYLFH PDQXDO IRU 9 7 8 8 9 7 8 8 LVVXHG LQ 0D DQG XVH WKLV VHUYLFH PDQXDO 1R 2FW ...

Page 2: ...HDVXUHG GLDJRQDOO 9 6 5 FP PHDVXUHG GLDJRQDOO 17 11 1387 á 8QEDODQFHG 5217 5 9 2 8 2 1387 287387 5 5 3 1 852 211 725 6 57 9 2 8 2 5 6 9 6 QSXW WHUPLQDOV LQ IURQW DQG UHDU VLGH DUH FRPPRQ 17 50 7 5 48 1 6 3 0 0 6 0 3 6 0 0 3 6 0 0 3 6 0 6 0 0 6 0 6281 68 55 5 0 3 6 0 0 3 6 0 0 3 6 0 6 0 0 6 0 2 285 68 55 5 0 3 0 0 6 0 5 027 21752 50 DWW 5 0 16 216 b b PP PP PP PP PP PP 0 66 NJ NJ HVLJQ VSHFLILFDWLR...

Page 3: ...XGLR 2XW LQNHG ZLWK 9 UPV PS Ná 5 02 XGLR DUWK OXH DUWK XGLR Q LQNHG ZLWK 9 UPV PS Ná OXH Q 9 S S r G PS á 6ORZ XQFWLRQ 6ZLWFKLQJ 79 9 3 5 9 PS Ná UHHQ DUWK 1 UHHQ Q 9 S S r G PS á 1 5HG DUWK 1 5HG Q Q 9 S S r G PS á 5DSLG ODQNLQJ VZLWFKLQJ RJLF 9 RJLF 9 PS á 9LGHR DUWK 5DSLG ODQNLQJ DUWK 9LGHR 2XW 9 S S r G PS á 9LGHR Q Q 9 S S r G PS á RPPRQ DUWK 3LQ DVVLJQPHQW ...

Page 4: ...LIIHUHQFH RI WKH 1 LV VKRZQ E WKH 9 VLGH 1 WKH 62 7 1 875 VLGH 1 DQG 57 VLGH 1 RQ W VKRUW EHWZHHQ WKH 9 VLGH 1 DQG 62 7 1 875 VLGH 1 RU 57 VLGH 1 DQG QHYHU PHDVXUH ZLWK D PHDVXULQJ DSSDUDWXV RVFLOORVFRSH HWF WKH 9 VLGH 1 DQG 62 7 1 875 VLGH 1 RU 57 VLGH 1 DW WKH VDPH WLPH I DERYH QRWH ZLOO QRW EH NHSW D IXVH RU DQ SDUWV ZLOO EH EURNHQ I DQ UHSDLU KDV EHHQ PDGH WR WKH FKDVVLV LW LV UHFRPPHQGHG WKDW...

Page 5: ...1R 9 7 8 9 7 8 9 7 8 9 7 8 81 7 216 ...

Page 6: ...1R 9 7 8 9 7 8 9 7 8 9 7 8 ...

Page 7: ... 9 7 8 63 6 59 16758 7 216 6 66 0 352 85 1RWH HIRUH VWDUWLQJ ZRUN GLVFRQQHFW WKH SRZHU SOXJ IURP WKH RXWOHW 2 72 5 029 7 5 5 29 5 5HPRYH WKH VFUHZV PDUNHG 5HPRYH WKH UHDU FRYHU EDFNZDUG 3 785 78 57 5 5 29 5 3 63 5 5217 1 7 ...

Page 8: ... LJ QWHU WKH 86720 2 7 2 WKHQ HQWHU WKH 7UDQVIHU NH 5 02 21 PHQX ORZHU ULJKW FRUQHU FKDQJHV IURP WR 9 6R WKDW WKH UHPRWH FRQWURO FRGH ZLOO EH VHW 9 127 I WKH 5 02 21 PHQX VHWV RU WKH 79 ZLOO VHW WKH RWKHU FRGHV 6R LW PXVW VHW 9 QWHU WKH 86720 2 7 2 WKHQ HQWHU WKH 7UDQVIHU NH 79 SRZHU ZLOO VKXW RII 9 UHPRWH FRQWURO XQLW ZLOO ZRUN ZKHQ ILQLVK DOO DERYH SURFHGXUHV KHQ VKXWV RII 79 RQ VWDWXV 79 ZLOO Q...

Page 9: ...QDQFH Q RUGHU WR HQVXUH VDIHW DOO FRPSRQHQWV UHSODFHG VKRXOG EH LGHQWLFDO RU IXUWKHU GHWDLOV UHIHU WR WKH FRPSRQHQW QDPH DQG FRPSRQHQW 1R LQ 3 576 67 0XVW EH ZDUP XS WKH VHW IRU PLQXWHV RU PRUH DQG GHJDXVV 57 WKRURXJKO ZLWK GHPDJQHWL HU FRLO EHIRUH DGMXVWPHQW 48 30 17 25 8670 17 3DWWHUQ HQHUDWRU LJLWDO YROW PHWHU 2VFLOORVFRSH HPDJQHWL HU 5HPRWH FRQWUROOHU 50 5HPRWH RQWUROOHU 50 ...

Page 10: ...VHOHFWHG ZLOO EH LQGLFDWHG E 2 RQ WKH GLVSOD KHQ FKDQJLQJ WKH VHW YDOXHV XVH WKH RQ WKH 5 027 21752 81 7 KHQ WKH VHWWLQJ KDV EHHQ FRPSOHWHG WXUQ WKH SRZHU VZLWFK RII 7KH FKDQJHG VHW YDOXHV DUH VWRUHG LQ PHPRU 6 59 0 18 VFUHHQ VHOHFWLRQ h 3UHVV WKH 3 K 3 U NH VHOHFW PHQX LWHP 7KH OHWWHUV RI WKH VHOHFWHG LWHPV DUH GLVSOD HG LQ HOORZ h 3UHVV WKH NH VHWWLQJ WKH YDOXH LWHP LJ 6 59 02 LJ 087 1 5 5 6 6 6...

Page 11: ...Q EHORZ 2 86 5HFHLYH D FURVVKDWFK VLJQDO GMXVW WKH RFXV NQRE RI WKH 7 IRU WKH FOHDUHVW SLFWXUH 9 57 17 5 QWHU WKH VHUYLFH PRGH 5HFHLYH D FURVVKDWFK VLJQDO 6HOHFW WKH 9 17 5 WR GLVSOD WKH SLFWXUH RQO RQ WKH XSSHU KDOI RI WKH VFUHHQ LJ GMXVW NH V WR ZKHUH WKH ERWWRP HGJH RI WKH XSSHU KDOI SLFWXUH LV DW WKH FHQWHU RI WKH 57 9 57 6 833 5 6 RQILUP 9HUWLFDO HQWHU KDV EHHQ DGMXVWHG 6HW WKH 79 WR 1250 RU ...

Page 12: ...H RI WKH ERWWRP KDOI RI WKH SLFWXUH LJ 3UHVV WKH NH V WR DGMXVW WKH YHUWLFDO VL H RI RQO WKH ERWWRP KDOI RI WKH SLFWXUH LWK RYHUDOO SLFWXUH WDNHQ DV DGMXVW IRU RYHUVHHQ WR GLVSOD DERXW RI WKH SLFWXUH 25 217 17 5 QWHU WKH VHUYLFH PRGH 5HFHLYH D FURVVKDWFK VLJQDO RU D VLJQDO KDYLQJ OHIW DQG ULJKW V PPHWULFDO 6HOHFW WKH 17 5 WR VKLIW WKH RYHUDOO SLFWXUH OHIW DQG ULJKW GMXVW WKH NH V WR DOLJQ WKH SLFW...

Page 13: ...TANDARD ONE CIRCUIT PRINTED MAY BE SUBJECT TO CHANGE FOR PRODUCT IMPROVEMENT WITHOUT PRIOR NOTICE n WARNING BEFORE SERVICING THE CHASSIS READ X RAY RADIATION SAFETY PRECAUTION AND PRODUCT SAFETY NOTICE IN SERVICE MANUAL n PRODUCTSAFETYNOTE COMPONENTS MARKED WITH ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET AND SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL OR SPECIFIE...

Page 14: ...N EXT A OUT H V FOCUS SCREEN VID B ABL HOR VERT D G COIL I601 TDA7267A Vertical Deflection Circuit Audio Amplifier Circuit Disable Voltage Regulator 12V 27V AC 220V 50Hz RF INPUT ANTENNA PW ON H 133V 12V Q801 FET S D S 3W 8OHM SPEAKER 3W 8OHM 2 SPK OPTION JS01 2 2 BLOCK DIAGRAM 2 7 DIFFERENCE LIST SYMBOL AV 14JT5EU AV 14JT5EBU AV 21JT5EU AV 21JT5EBU CRTiI T C 4859608640 4859629360C DEG COIL 58G000...

Page 15: ...AV 21JT5EU AV 21JT5EUB AV 14JT5EU AV 14JT5EUB AV 21JT5EU AV 21JT5EUB AV 14JT5EU AV 14JT5EUB No 51721 No 51721 3 2 3 2 4 CIRCUIT DIAGRAM REFER TO PAGE 7 DIFFERENCE LIST WAVEFORMS ...

Page 16: ...AV 21JT5EU AV 21JT5EUB AV 14JT5EU AV 14JT5EUB AV 21JT5EU AV 21JT5EUB AV 14JT5EU AV 14JT5EUB No 51721 No 51721 4 FRONT TOP TP 91 B1 TP E CRT SOCKET PWB PATTERN 2 5 2 6 PATTERN DIAGRAMS MAIN PWB PATTERN ...

Page 17: ...plied but those which are filled with the Parts No in the Parts No columns will be supplied ABBREVIATIONS OF RESISTORS TRANSISTOR CAPACITORS AND TOLERANCES RESISTORS CAPACITORS C R Carbon Resistor CERA C Ceramic Capacitor V R Variable Resistor ELECTRO C Electrolytic Capacitor MYLAR C Mylar Capacitor TR Transistor TOLERANCES F G J K M N R H Z P 1 2 5 10 20 30 30 10 50 10 80 20 100 0 USING PW BOARD ...

Page 18: ...422 INST BOOK BUL 14JT5 21JT5EBU GPWJV1V2022 WARRANTY CARD 4859906210 POWER CORD 58G0000074 COIL DEGAUSSING 01 0 2 1 4855621600 MARK BRAND AL 2 PTFMSJA616J MASK FRONT HIPS BK 3 4855536601 ECO SENSOR PMMA CL 4 4851933402 BUTTON CTRL 5 4858314010 SPEAKER 3W 8 OHM 1 7 4856215402 WASHER RUBBER CR T2 0 4 8 4856013300 SCREW CRT FIXING 30X80 BK 2 9 4859608640 CRT with ITC A34JLL90X89 Inc DY PC OTHER 10 4...

Page 19: ...No 51721 AV 21JT5EU AV 21JT5EBU AV 14JT5EU AV 14JT5EBU 1 15 PACKING EXPLODED VIEW CRT SOCKET PWB 8 7 10 FBT TUNER POWER SW 11 PWB 5 4 3 1 Rating 14 13 17 17 16 15 9 12 2 4 2 2 5 21 20 18 19 22 23 24 25 ...

Page 20: ...I8WW A 3P CI8 H9 39 M8F L3 DWB R R D X 8FP BOD L 3DK H9 39 M UL3 DWB R R D X BOD L 3DK N98 78H9D U9 B3R3AB 7 778H9D U9 N9 9I7 UL 7 D A IX BOD L 8FDD H N9N 39 MN NL3 DWB R R D X 9 N BOD L 3DK N8U 39 M INL3 DWB R R D X 9 I BOD L 3DK M8 F379898 N 3X KM YF 8WBEDGSTLW33W89F D 37A8 HNFU 9 F 9 3B7P A 7 A 73C UW9 7 3 898 F T UC DWW R A 3KX T UC WD EK W 8LAF JG 3 898 F PI FIDWW R A 3KX PI FIDEK W 8LAF QJG ...

Page 21: ... 98 L7988 O A999W7K 7OR 8S89 9 BOD 98 L798 O A999W7K 7OR 8S89 9 BOD 98 L798 O A999W7K 7OR 8S89 9 BOD 98 L798H O A999W7K 7OR 8S89 9 BOD 98 L798F O A999W7K 7OR 8S89 9 BOD 98 L798C O A999W7K 7OR 8S89 9 BOD 98 L798I O A999W7K 7OR 8S89 9 BOD 98 L798N O A999W7K 7OR 8S89 9 BOD 98 L798U O A999W7K 7OR 8S89 9 BOD 98 L79 9 O A999W7K 7OR 8S89 9 BOD 98 L79 O A999W7K 7OR 8S89 9 BOD 98 L79 H O A999W7K 7OR 8S89 9...

Page 22: ... O A898L7K 7OR 8S89 899 BOD L 98 7I8H O A89 L7K 7OR 8S89 8P BOD L 98 7I8F O A8F L7K 7OR 8S89 8 FP BOD L 98 7I8C O A U L7K 7OR 8S89 UP BOD L 98 7I8I O A8F L7K 7OR 8S89 8FP BOD L 98 7I8U O A L7K 7OR 8S89 P BOD L 98 7I 9 O A I8L7K 7OR 8S89 I9 BOD L 98 7I 8 O A89 L7K 7OR 8S89 8P BOD L 98 7I O A L7K 7OR 8S89 P BOD L 98 7I O AC HL7K 7OR 8S89 C 9P BOD L 98 7I F O AHI8L7K 7OR 8S89 HI9 BOD L 98 7I C O A89 ...

Page 23: ...R J3 7F999W9I9 Y89F A 37F H MW A 37F H M YH98 APA7 9IWW A PA7 9I YF98 A 37F H MW A 37F H M YF9 A 37F H MW A 37F H M YF9 A3AKU MWW A 3AKU WM YF9F A3AKU MWW A 3AKU WM YF9C A 37F H MW A 37F H M YC98 A 37F H MW A 37F H M YC 9 A3AKU MWW A 3AKU WM YI98 A3AKU MWW A 3AKU WM YI9 A 37F H MW A 37F H M YI9 A 37F H MW A 37F H M YI9H A 37F H MW A 37F H M YI9F A 37F H MW A 37F H M YI89 A 37F H MW A 37F H M YN9 A...

Page 24: ...AQG N9 FD79999899 7BR Q K D WF EO7W FF9G N9 FD79999899 7BR Q K D WF EO7W FF9G N9C F7 Z U9P9H 7BR KPR T UJO 89 FDD P E K 9HAQG 898 WHZ H LW 7K QB R D 8SH HP BOD L 89U WHZ8N LW 7K QB R D 8SH 8NP BOD L 889 WHZ89 LW 7K QB R D 8SH 8P BOD L 888 WHZ898LW 7K QB R D 8SH 899 BOD L 8 9 WHZ898LW 7K QB R D 8SH 899 BOD L 98 W Z HULW 7K QB R D 8S H BOD L H9C W ZHI LW 7K QB R D 8S H IP BOD L H9I WHZ89 LW 7K QB R ...

Page 25: ...9 M8F L3 DWB R R D X 8FP BOD L 3DK H9 39 MH UL3 DWB R R D X H BOD L 3DK N98 78H9D U9 B3R3AB 7 778H9D U9 N9 9I7 UL 7 D A IX BOD L 8FDD H N9N 39 MN NL3 DWB R R D X 9 N BOD L 3DK N8U 39 M INL3 DWB R R D X 9 I BOD L 3DK M8 F379898 N 3X KM YF 8WBEDGSTLW33W89F D 37A8 HNFU 9 H 9 3B7P A 7 A 73C K 3 898 F T UC DWW R A 3KX T UC WDEK W8HLAF JG 3 898 F PI FIDWW R A 3KX PI FIDEK W8HLAF QJG 3 89 F PUCF9DWW R A ...

Page 26: ...OD 98 L7988 O A999W7K 7OR 8S89 9 BOD 98 L798 O A999W7K 7OR 8S89 9 BOD 98 L798 O A999W7K 7OR 8S89 9 BOD 98 L798H O A999W7K 7OR 8S89 9 BOD 98 L798F O A999W7K 7OR 8S89 9 BOD 98 L798C O A999W7K 7OR 8S89 9 BOD 98 L798I O A999W7K 7OR 8S89 9 BOD 98 L798N O A999W7K 7OR 8S89 9 BOD 98 L798U O A999W7K 7OR 8S89 9 BOD 98 L79 9 O A999W7K 7OR 8S89 9 BOD 98 L79 O A999W7K 7OR 8S89 9 BOD 98 L79 H O A999W7K 7OR 8S89...

Page 27: ...98 7I8H O A89 L7K 7OR 8S89 8P BOD L 98 7I8F O A8F L7K 7OR 8S89 8 FP BOD L 98 7I8C O A U L7K 7OR 8S89 UP BOD L 98 7I8I O A8F L7K 7OR 8S89 8FP BOD L 98 7I8U O A L7K 7OR 8S89 P BOD L 98 7I 9 O A I8L7K 7OR 8S89 I9 BOD L 98 7I 8 O A89 L7K 7OR 8S89 8P BOD L 98 7I O A L7K 7OR 8S89 P BOD L 98 7I O AC HL7K 7OR 8S89 C 9P BOD L 98 7I F O AHI8L7K 7OR 8S89 HI9 BOD L 98 7I C O A89 L7K 7OR 8S89 89P BOD L 98 7I I...

Page 28: ...8 A 37F H MW A 37F H M YF9 A 37F H MW A 37F H M YF9 A3AKU MWW A 3AKU WM YF9F A3AKU MWW A 3AKU WM YF9C A 37F H MW A 37F H M YC98 A 37F H MW A 37F H M YC 9 A3AKU MWW A 3AKU WM YI98 A3AKU MWW A 3AKU WM YI9 A 37F H MW A 37F H M YI9 A 37F H MW A 37F H M YI9H A 37F H MW A 37F H M YI9F A 37F H MW A 37F H M YI89 A 37F H MW A 37F H M YN9 AP3K898 MW A P3K898 M 9 9 Q UL3 D AK R D X BOD L 3DK 9 9 Q I8L3 D AK ...

Page 29: ...K D WF EO7W FF9G N9C F7 Z U9P9H 7BR KPR T UJO 89 FDD P E K 9HAQG 898 WHZ H LW 7K QB R D 8SH HP BOD L 89U WHZ8N LW 7K QB R D 8SH 8NP BOD L 889 WHZ89 LW 7K QB R D 8SH 8P BOD L 888 WHZ898LW 7K QB R D 8SH 899 BOD L 8 9 WHZ898LW 7K QB R D 8SH 899 BOD L 98 W Z HULW 7K QB R D 8S H BOD L H9C W ZHI LW 7K QB R D 8S H IP BOD L H9I WHZ89 LW 7K QB R D 8SH 8P BOD L H9N WHZ89 LW 7K QB R D 8SH 8P BOD L H9U WHZFC8...

Page 30: ...No 51721 AV 21JT5EU AV 21JT5EBU AV 14JT5EU AV 14JT5EBU 26 Memo ...

Page 31: ...No 51721 AV 21JT5EU AV 21JT5EBU AV 14JT5EU AV 14JT5EBU 27 Memo ...

Page 32: ...4 Printed in Japan VP 0005 DP105251 VICTOR COMPANY OF JAPAN LIMITED TELEVISION RECEIVER DIVISION 1106 Heta Iwai city Ibaraki prefecture 306 0698 Japan ...

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