JVC AV-20N8 Service Manual

AV-20N8

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, CAPACITORS AND TOLERANCES

RESISTORS CAPACITORS

C R Carbon Resistor C CAP. Ceramic Capacitor

F R Fusible Resistor E CAP. Electrolytic Capacitor

P R Plate Resistor M CAP. Mylar Capacitor

V R Variable Resistor HV CAP. High Voltage Capacitor

HV R High Voltage Resistor MF CAP. Metalized Film Capacitor

MF R Metal Film Resistor MM CAP. Metalized Mylar Capacitor

MG R Metal Glazed Resistor MP CAP. Metalized Polystyrol Capacitor

MP R Metal Plate Resistor PP CAP. Polypropylene Capacitor

OM R Metal Oxide Film Resistor PS CAP. Polystyrol Capacitor

CMF R Coating Metal Film Resistor TF CAP. Thin Film Capacitor

UNF R Non-Flammable Resistor MPP CAP. Metalized Polypropylene Capacitor

CH V R Chip Variable Resistor TAN. CAP. Tantalum Capacitor

CH MG R Chip Metal Glazed Resistor CH C CAP. Chip Ceramic Capacitor

COMP. R Composition Resistor BP E CAP. Bi-Polar Electrolytic Capacitor

LPTC R Linear Positive Temperature Coefficient CH AL E CAP. Chip Aluminum Electrolytic Capacitor

Resistor

NETW R Network Resistor CH AL BP CAP. Chip Aluminum Bi-Polar Capacitor

CH TAN. E CAP. Chip Tantalum Electrolytic Capacitor

TOLERANCES

F G J K M N R H Z P

±1% ±2% ±5% ±10% ±20% ±30%

No. 56030 27

+30% +50% +80% +100%

−10% −10% −20% −0%

AV-20N8

CONTENTS

■ P.W. BOARDS...................................................................................................................................................28

■ EXPLODED VIEW PARTS LIST .......................................................................................................................28

■ EXPLODED VIEW ............................................................................................................................................29

■ PRINTED WIRING BOARD PARTS LIST

● MAIN PW BOARD ASS'Y................................................................................................................................................ 30

● A2 PW BOARD ASS'Y..................................................................................................................................................... 35

■ P ACKING / PACKING PARTS LIST..................................................................................................................36

■ REMOTE CONTROL UNIT PARTS LIST..........................................................................................................36

P.W. BOARDS

P.W.B. ASS'Y P ART NO.

MAIN P.W.B. SCL-1284A-BK
A2 P.W.B. SCL0A001A-BK

EXPLODED VIEW PARTS LIST

! Ref.No. Part No. Part Name Description Local

! V01 A48KXR064X PICTURE TUBE
! L01 QQW0061-001 DEG COIL

DY01 QQD0034-001 DEFLECTION YOKE

! T1522 QQH0073-001 H.V. TRANSF.

1 LC10438-013A-H FRONT CABINET
2 CM48006-007-C JVC MARK
3 LC30664-001B-H E.E. WINDOW
4 LC30665-001A-H REMOCON LENS

5 LC20318-003A-H CONTROL KNOB
6 A48457-3-H SPRING
7 WJY0008-002A BRAIDED ASSY

8 CE40764-00A WEDGE ASSY (×3)

9 A75034-B PC MAGNET

10 CM36623-B01-H CHASSIS RAIL (×2)
11 CEBSS12D-04KJ2 SPEAKER (×2) SP01,SP02

12 LC30663-003A-H POWER KNOB

! 13 CM47005-A01-H CORD CLAMP
! 14 QMPR010-200-E2 POWER CORD or QMPR010-200-K2
! 15 LC10448-001B-H REAR COVER
! 16 CM22960-071-H RATING LABEL

17 QYSBSF3010Z TAPPING SCREW (×2)
18 QYSBSFG4016Z TAPPING SCREW (×6)

No. 5603028

EXPLODED VIEW

AV-20N8

!



V01

11

!

L01

8

DY01

10

5

4

6

11

1

2

3

7

CRT SOCKET PWB
(Within MAIN PWB)

10

9

A2 PWB

12

MAIN PWB

!

T1522

!

!

15

13

!

14

!

16

17

18

No. 56030 29

AV-20N8

PRINTED WIRING BOARD PARTS LIST

! Symbol No. Part No. Part Name Description Local

! Symbol No. Part No. Part Name Description Local

MAIN P.W. BOARD ASS'Y (SCL-1284A-BK)

! Symbol No. Part No. Part Name Description Local ! Symbol No. Part No. Part Name Description Local

RESISTOR

R1002 QRE141J-221Y C R 220Ω 1/4W J
R1003 QRE141J-221Y C R 220Ω 1/4W J
R1101 QRE141J-224Y C R 22kΩ 1/4W J
R1102 QRE141J-153Y C R 15kΩ 1/4W J
R1103 QRE141J-682Y C R 6.8kΩ 1/4W J
R1104 QRE141J-181Y C R 180Ω 1/4W J
R1105 QRE141J-222Y C R 2.2kΩ 1/4W J
R1106 QRE141J-122Y C R 1.2kΩ 1/4W J

R1107 QRE141J-100Y C R 10Ω 1/4W J
R1108 QRE141J-750Y C R 75Ω 1/4W J
R1109 QRE141J-100Y C R 10Ω 1/4W J
R1110 QRE141J-272Y C R 2.7kΩ 1/4W J
R1111 QRE141J-101Y C R 100Ω 1/4W J
R1112 QRE141J-103Y C R 10kΩ 1/4W J
R1113 QRE141J-561Y C R 560Ω 1/4W J
R1114 QRE141J-561Y C R 560Ω 1/4W J

R1116 QRE141J-104Y C R 100kΩ 1/4W J
R1117 QRE141J-272Y C R 2.7kΩ 1/4W J
R1118 QRE141J-273Y C R 27kΩ 1/4W J
R1119 QRE141J-224Y C R 22kΩ 1/4W J
R1120 QRE141J-822Y C R 8.2kΩ 1/4W J
R1121 QRE141J-221Y C R 220Ω 1/4W J
R1123 QRE141J-151Y C R 150Ω 1/4W J
R1125 QRE141J-102Y C R 1kΩ 1/4W J

R1126 QRE141J-103Y C R 10kΩ 1/4W J
R1127 QRE141J-221Y C R 220Ω 1/4W J
R1128 QRE141J-821Y C R 820Ω 1/4W J
R1129 QRE141J-221Y C R 220Ω 1/4W J
R1130 QRE141J-222Y C R 2.2kΩ 1/4W J
R1131 QRE141J-271Y C R 270Ω 1/4W J
R1132 QRE141J-331Y C R 330Ω 1/4W J
R1133 QRE141J-331Y C R 330Ω 1/4W J

R1135 QRE141J-224Y C R 22kΩ 1/4W J
R1203 QRE141J-224Y C R 22kΩ 1/4W J
R1204 QRE141J-391Y C R 390Ω 1/4W J
R1205 QRE141J-391Y C R 390Ω 1/4W J
R1206 QRE141J-103Y C R 10kΩ 1/4W J
R1208 QRE141J-681Y C R 680Ω 1/4W J
R1209 QRE141J-821Y C R 820Ω 1/4W J
R1210 QRE141J-122Y C R 1.2kΩ 1/4W J

R1232 QRE141J-101Y C R 100Ω 1/4W J
R1233 QRE121J-101Y C R 100Ω 1/2W J
R1234 QRE141J-680Y C R 68Ω 1/4W J
R1235 QRE141J-750Y C R 75Ω 1/4W J
R1303 QRE141J-273Y C R 27kΩ 1/4W J
R1304 QRE141J-101Y C R 100Ω 1/4W J
R1305 QRE141J-101Y C R 100Ω 1/4W J
R1306 QRE141J-101Y C R 100Ω 1/4W J

R1307 QRE141J-102Y C R 1kΩ 1/4W J
R1308 QRE141J-102Y C R 1kΩ 1/4W J
R1309 QRE141J-102Y C R 1kΩ 1/4W J
R1310 QRE141J-102Y C R 1kΩ 1/4W J
R1311 QRE141J-333Y C R 33kΩ 1/4W J
R1313 QRE141J-103Y C R 10kΩ 1/4W J
R1314 QRE141J-101Y C R 100Ω 1/4W J
R1315 QRE141J-101Y C R 100Ω 1/4W J

R1351 QRE141J-151Y C R 150Ω 1/4W J
R1352 QRE141J-151Y C R 150Ω 1/4W J
R1353 QRE141J-151Y C R 150Ω 1/4W J
R1354 QRL029J-123 OM R 12kΩ 2W J
R1355 QRE141J-222Y C R 2.2kΩ 1/4W J
R1356 QRE141J-331Y C R 330Ω 1/4W J
R1357 QRL029J-123 OM R 12kΩ 2W J
R1358 QRE141J-222Y C R 2.2kΩ 1/4W J

R1359 QRE141J-331Y C R 330Ω 1/4W J
R1360 QRL029J-123 OM R 12kΩ 2W J
R1361 QRE141J-222Y C R 2.2kΩ 1/4W J
R1362 QRE141J-331Y C R 330Ω 1/4W J
R1363 QRZ0107-152Z C R 1.5kΩ 1/2W K
R1364 QRE141J-562Y C R 5.6kΩ 1/4W J
R1365 QRE141J-101Y C R 100Ω 1/4W J
R1366 QRZ0107-152Z C R 1.5kΩ 1/2W K

R1367 QRE141J-101Y C R 100Ω 1/4W J

RESISTOR

R1368 QRZ0107-152Z C R 1.5kΩ 1/2W K
R1369 QRE141J-101Y C R 100Ω 1/4W J
R1370 QRE121J-104Y C R 100kΩ 1/2W J
R1372 QRE141J-103Y C R 10kΩ 1/4W J
R1373 QRE121J-104Y C R 100kΩ 1/2W J
R1403 QRE141J-682Y C R 6.8kΩ 1/4W J
R1422 QRE141J-472Y C R 4.7kΩ 1/4W J
R1423 QRE141J-221Y C R 220Ω 1/4W J

R1425 QRE141J-333Y C R 33kΩ 1/4W J
R1426 QRE141J-333Y C R 33kΩ 1/4W J
R1427 QRE141J-103Y C R 10kΩ 1/4W J
R1429 QRE141J-562Y C R 5.6kΩ 1/4W J
R1430 QRE141J-103Y C R 10kΩ 1/4W J
R1431 QRE141J-822Y C R 8.2kΩ 1/4W J
R1432 QRE121J-6R8Y C R 6.8Ω 1/2W J
R1433 QRE121J-4R7Y C R 4.7Ω 1/2W J

R1434 QRE141J-183Y C R 18kΩ 1/4W J
R1440 QRE121J-331Y C R 330Ω 1/2W J
R1441 QRE141J-682Y C R 6.8kΩ 1/4W J
R1442 QRE141J-822Y C R 8.2kΩ 1/4W J
R1443 QRK129J-1R0 C R 1.0Ω 1/2W J
R1444 QRE121J-182Y C R 1.8kΩ 1/2W J
R1450 QRE141J-222Y C R 2.2kΩ 1/4W J
R1451 QRE141J-103Y C R 10kΩ 1/4W J

R1452 QRE141J-222Y C R 2.2kΩ 1/4W J
R1453 QRE141J-122Y C R 1.2kΩ 1/4W J
R1501 QRE141J-822Y C R 8.2kΩ 1/4W J
R1502 QRE141J-621Y C R 620Ω 1/4W J
R1504 QRE141J-103Y C R 10kΩ 1/4W J
R1505 QRE141J-104Y C R 100kΩ 1/4W J
R1506 QRG01GJ-121 OM R 120Ω 1W J
R1522 QRE141J-123Y C R 12kΩ 1/4W J

R1523 QRE121J-222Y C R 2.2kΩ 1/2W J
R1524 QRG029J-272 OM R 2.7kΩ 2W J
R1525 QRG029J-272 OM R 2.7kΩ 2W J
R1526 QRE121J-220Y C R 22Ω 1/2W J
R1529 QRG029J-391 OM R 390Ω 2W J
R1582 QRE141J-123Y C R 12kΩ 1/4W J
R1583 QRE141J-123Y C R 12kΩ 1/4W J
R1591 QRE141J-273Y C R 27kΩ 1/4W J

R1594 QRE141J-332Y C R 3.3kΩ 1/4W J
R1601 QRE141J-182Y C R 1.8kΩ 1/4W J
R1602 QRE141J-102Y C R 1kΩ 1/4W J
R1603 QRE141J-103Y C R 10kΩ 1/4W J
R1604 QRE141J-222Y C R 2.2kΩ 1/4W J
R1605 QRE141J-221Y C R 220Ω 1/4W J
R1606 QRE141J-152Y C R 1.5kΩ 1/4W J
R1607 QRE141J-182Y C R 1.8kΩ 1/4W J

R1608 QRE141J-561Y C R 560Ω 1/4W J
R1609 QRE141J-471Y C R 470Ω 1/4W J
R1610 QRE141J-222Y C R 2.2kΩ 1/4W J
R1611 QRE141J-152Y C R 1.5kΩ 1/4W J
R1612 QRE141J-471Y C R 470Ω 1/4W J
R1615 QRE141J-181Y C R 180Ω 1/4W J
R1616 QRE141J-220Y C R 22Ω 1/4W J
R1617 QRE141J-821Y C R 820Ω 1/4W J

R1619 QRE141J-102Y C R 1kΩ 1/4W J
R1620 QRE141J-102Y C R 1kΩ 1/4W J
R1621 QRE141J-393Y C R 39kΩ 1/4W J
R1622 QRE141J-103Y C R 10kΩ 1/4W J
R1623 QRE141J-391Y C R 390Ω 1/4W J
R1624 QRE141J-101Y C R 100Ω 1/4W J
R1625 QRE141J-561Y C R 560Ω 1/4W J
R1626 QRE141J-182Y C R 1.8kΩ 1/4W J

R1627 QRE141J-561Y C R 560Ω 1/4W J
R1628 QRE141J-561Y C R 560Ω 1/4W J
R1629 QRE141J-221Y C R 220Ω 1/4W J
R1630 QRE141J-221Y C R 220Ω 1/4W J
R1631 QRE141J-681Y C R 680Ω 1/4W J
R1632 QRE141J-681Y C R 680Ω 1/4W J
R1633 QRE141J-102Y C R 1kΩ 1/4W J
R1634 QRE141J-102Y C R 1kΩ 1/4W J

R1635 QRE141J-472Y C R 4.7kΩ 1/4W J

No. 5603030