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)LJ

AV-21JT5EU AV-21JT5EUB
AV-14JT5EU AV-14JT5EUB
1
Oct. 2000 No.51721
AV-21JT5EU / AV-21JT5EUB
AV-14JT5EU / AV-14JT5EUB
STANDARD CIRCUIT DIAGRAM
n
NOTE :
1. RESISTANCE IS SHOWN IN OHM. K=1000, M=1000000
2. UNLESS OTHERWISE NOTED IN SCHEMATIC ALL CAPACITOR VALUES ARE EXPRESSED IN Ê
ÊÊ
ÊF
3. VOLTAGES READ WITH VTVM FROM POINT INDICATED TO CHASSIS GROUND USING A COLOR BAR SIGNAL
WITH ALL CONTROLS AT NORMAL LINE 230V AC VOLTAGE READINGS SHOWN ARE NORMAL VALUES AND MAY
VARY +20% EXCEPT H.V
4. THIS CIRCUIT DIAGRAM IS A STANDARD 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
PRODUCT SAFETY NOTE :
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 SPECIFIED ONE IN THE PARTS LIST.
DONT DEGRADE THE SAFETY THROUGH IMPROPER SERVICING.
CONTENTS
nBLOCK DIAGRAM 













 



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








 2-2
nCIRCUIT DIAGRAM 













 













 2-3
nPATTERN DIAGRAMS 













 











2-5
REVISED
Please throw it out the service manual for AV-14JT5EU/EBU&AV-21JT5EU/EBU issued
in May. 2000,and use this service manual (No.51721 Oct. 2000).
VP0010
MS

AV-21JT5EU AV-21JT5EUB
AV-14JT5EU AV-14JT5EUB
No.51721No.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-BY 5V
Q701
RESET SW
RESET 5V
REMOTE
LED
KEY_IN
IR
SCL
SDA
5V 8V
Vccd Vcc_if HVcc1 Vcc2
A.IN
V.IN
R
G
B
R
G
B
SPEAKER
CVBS OUT
EXT V.IN
EXT R,G,B
EXT A.IN
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
DS
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 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

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]

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

No. 51721
A
V-21JT5EU AV-21JT5EBU
A
V-14JT5EU AV-14JT5EBU
1-13
PARTS LIST
CAUTION
!The parts identified by the !symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to
secure the safety .
!The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied .
!P. W. Board Ass'y will not be supplied, 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
FGJKMNRHZP
±1% ±2% ±5% ±10% ±20% ±30% +30%
-10% +50% -10% +80% -20% +100% 0%
USING PW BOARD & REMOTE CONTROLLER
Model
PB ASSY AV-21JT5EU AV-21JT5EBU AV-14JT5EU AV-14JT5EBU
MAIN PWB
(with CRT SOCKET PWB) PTMPMSD616J PTMPMSD618J PTMPMSA616J PTMPMSA618J
REMOTE CONTROLLER 48B00RMC71

No. 51721
A
V-21JT5EU AV-21JT5EBU
A
V-14JT5EU AV-14JT5EBU
1-14
■
■■
■PACKING & EXPLODED VIEW PARTS LIST
!!"#$ %&'()*+$ %&'()*&," -"./'01(0+2
14855621500 MARK BRAND AL
!2 PTFMSJD616J MASK FRONT HIPS BK
3 4855537101ECO SENSOR PMMA CL
4 4851932802 BUTTON CTRL ABS BK
5 4858314010 SPEAKER 3W 8 OHM(×1)
7 4856215402 WASHER RUBBER CR T2.0(×4)
8 4856013301SCREW CRT FIXING 30X140 YL(×2)
!9 4859629360C CRT(with ITC) A51EFS83X081(Inc.DY,PC,OTHER)
10 4856013303 SCREW CRT FIXING 30X250 YL(×2)
11 4854940403 BUTTON POWER ABS BK
!12 4852152501COVER BACK HIPS BK
137172401412 SCREW TAPP TITE TT2 TRS 4X14 MFZN BK(×5)
!14 4855415800 SPEC PLATE(Rating) 150ART P/E FILM (C/TV)
15 GPBJV3V2022 PACKING CASE
16 4858211801BAG P.E L.D.P.E T 0.03X1300X1000
17 4858188101PAD
18 4858213800 BAG INSTRUCTION L.D.P.E T 0.05X250X400
19 48B00RMC71TRANSMITTER REMOCON RM-C71
!20 GPMJV1V2022 INST BOOK(ENG) 14JT5/21JT5EU
217178301212 SCREW TAPPING (×4)
!22 GPMJV1V2122 INST BOOK(GER/FRE/SPA/D UT/ITA) 14JT5/21JT5EU
!23 GPMJV1V2222 INST BOOK(FIN/SWE/NOR/D AN/POR) 14JT5/21JT5EU
!24 GPMJV1V2322 INST BOOK(POL/CZE/HUN/R OM) 14JT5/21JT5EU
!25 GPMJV1V2422 INST BOOK(BUL) 14JT5/21JT5EBU
GPWJV1V2022 WARRANTY CARD
!4859906210 POWER CORD
!58G0000074 COIL DEGAUSSING
!!"#$ %&'()*+$ %&'()*&," -"./'01(0+2
14855621600 MARK BRAND AL
!2 PTFMSJA616J MASK FRONT HIPS BK
3 4855536601ECO 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 4856013301SCREW CRT FIXING 30X140 YL(×2)
11 4854940103 BUTTON POWER ABS BK
!12 4852152101COVER BACK HIPS BK
137172401412 SCREW TAPP TITE TT2 TRS 4X14 MFZN BK(×5)
!14 4855415800 SPEC PLATE(Rating) 150ART P/E FILM (C/TV)
15 GPBJV1V2022 BOX CARTON SW-2 DTQ-1463FW
16 4858210702 BAG P.E L.D.P.E T 0.03X1000X900
17 4858187500 PAD EPS 14V3
18 4858213800 BAG INSTRUCTION L.D.P.E T 0.05X250X400
19 48B00RMC71TRANSMITTER REMOCON RM-C71
!20 GPMJV1V2022 INST BOOK(ENG) 14JT5/21JT5
217178301011 SCREW TAPPING (×2)
!22 GPMJV1V2122 INST BOOK(GER/FRE/SPA/D UT/ITA) 14JT5/21JT5EU
!23 GPMJV1V2222 INST BOOK(FIN/SWE/NOR/D AN/POR) 14JT5/21JT5EU
!24 GPMJV1V2322 INST BOOK(POL/CZE/HUN/R UM) 14JT5/21JT5EU
!25 GPMJV1V2422 INST BOOK(BUL) 14JT5/21JT5EBU
GPWJV1V2022 WARRANTY CARD
!4859906210 POWER CORD
!58G0000084 COIL DEGAUSSING
4850A03310 ROD ANTENNA
AV-14JT5EU / AV-14JT5EBU
AV-21JT5EU / AV-21JT5EBU

No. 51721
A
V-21JT5EU AV-21JT5EBU
A
V-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
!

No.51721
A
V-21JT5EU AV-21JT5EBU
1-16
■
■■
■ELECTRICAL PARTS LIST
!34,5+6)*+$ %&'()*+$ %&'()*&," -"./'01(0+2
789:) 7;<=87>>>? 7);@;7A!B 8C?)!33)>>99D=E8:<>FGA%
7:98) 7;<=8?HI87 7);@;7A!B :F?)!J3)HI9D=)E89<>9G)A%
7:9:) 7;<=8;89>7 7);@;7A!B >F?)!J3)8999D=)8:<>9)A%
7:9F) 7D<;>KHI:L 7)DM@K! 899?)%J)9$9HID=)L
7H98) 7DM;>-8NHL 7)DM@K! >99?)9$8ND=)L)E%JG
!7H9H) 7DMO:7CC>O 7)DM@K! 8$CP?)QJ%)CC99%=)O
7H88) 7DM*8L89FP 7)DM@K!)EDPAG C:?)8D=)P)EI$FDDG
7H>8) 7;<=>;::9? 7);@;7A!B >F9?)!33)::D=)E8:<>FG)A%
7I9H) 7;<=8789>? 7);@;7A!B 8C?)!33)8999D=)E89<>9G)A%
!7N98) 7@8LQ:HIHP 7)@R*;)K7!B33 K7>F9?)9$HID=)JS7S3*-=S3?
7N9F) 7;M*>T898% 7);@;7A!B H99?)@O3)899D=
7N9I) 7DMJ:7>>>L 7)DM@K! 8$CP?)Q7%)>>99%=)L
!7N9U) 7O8O=;89>D 7)7;!K)K7 H$9P?)8999%=);)-T
!7N8>) 7O8O=;89>D 7)7;!K)K7 H$9P?)8999%=);)-T
7N8H) 77M!:KHI8P 7)7;!K 8P?)HI9%=)P)8>F7
7N8F) 7;<=>7898? 7);@;7A!B 8C9?)!33)899D=)E8C<>FG)A%
7N8N) 7;<=>78987 7);@;7A!B 8C9?)!J3)899D=)E8CV>FG)A%
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AV-21JT5EU / AV-21JT5EBU