JVC AV-21A4EESK Service Manual

AV-21A4EE

SERVICE MANUAL

COLOUR TELEVISION

BASIC CHASSIS

AV-21A4EE(SK)

This service manual mainly consists of the following items:

• The items which differ from those for the AV-21AT service manual.

• The initial value for each setting item. For details other than those described in this manual, please refer to the following service manual. Reference Service Manual: AV-21AT Service Manual (No. 56013, May 2000)

Note: The page in parentheses shows the one for the AV-21AT service manual (No. 56013, May 2000).

HOW TO IDENTIFY MODEL

While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.

Basic model name

AV-21A4EE

MODEL NO.

XXXXX XXXXXXX XXXXXXX XXXXX

XXXXXX

XXXXX

XXX XXXXX XXXXX

XXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXX

SERIAL No.

XXXX XX XXXX XXX XX XXXX

XXXXXX–XXX

Identify model name

AV-21A4EE-SK

No. 56016B 1

No. 56016B

Jul. 2000

AV-21A4EE

PARTS DIFFERENCE TABLE

The different parts between AV-21AT and AV-21A4EE(SK) are described below:

! REF. NO. PART NAME DESCRIPTION

AV-21AT AV-21A4EE(SK) PART No. PART No.

■ EXPLODED VIEW PARTS LIST (Page 28)

! V01 A51LMV20X PICTURE TUBE

A51LEC065X42 PICTURE TUBE ITC type (with DEF YOKE)

DY01 CE20336-00A DEF YOKE

! T1522 QQH0069-001 QQH0070-001 H.V. TRANSF .

1 GG10047-002A-H GG10047-003A-HK FRONT CABI ASSY 8 CE42153-00AJ1 WEDGE ASSY 9 A75034-B PC MAGNET

! 14 CM12863-002-MH CM12863-002-KH REAR COVER ! 15 LC20377-010B-H LC20377-015A-H RATING LABEL

■ PRINTED WIRING BOARD PARTS LIST (Page 30-)

— SCG-1247A-H2 SCG-1254A-H2 MAIN PWB ASSY

R1531 NRSA02J-472X CH MG R 4.7kΩ 1/10W J

NRSA02J-103X CH MG R 10kΩ 1/10W J

R1554 QRE121J-681Y C R 680Ω 1/2W J

QRE121J-821Y C R 820Ω 1/2W J

C1525 QFZ0200-103 MPP CAP. 0.01µF 1.5kVH ±3%

QFZ0200-962 MPP CAP. 9600pF 1.5kVH ±3%

C1527 QFZ0199-224 MPP CAP. 0.22µF 250V J

QFZ0199-204 MPP CAP. 0.2µF 250V J

C1582 QFZ0199-224 MPP CAP. 0.22µF 250V J

QFZ0199-274 MPP CAP. 0.27µF 250V J

L1551 QQLZ018-430 QQLZ018-500 HEATER CHOKE

■ PACKING PARTS LIST (Page 34)

1 GG10056-017A-H GG10056-015A-H PACKING CASE

! 7 LCT0748-001A-H LCT0751-001A-H INST BOOK ! 8 LCT0749-001A-H DIGEST MANUAL ! — LCT0862-001A-H INST SHEET

No. 56016B2

SPECIFICATIONS (Page 2)

Item Content

Dimensions (W × H × D) 502mm × 451mm × 480.5mm Mass 19.5kg TV RF System B / G, I, D / K, K1 Colour System TV Mode PAL / SECAM

VIDEO Mode PAL / SECAM / NTSC3.58 / NTSC4.43

Receiving Frequency VHF (VL) 46.25MHz ~ 168.25MHz

VHF (VH) 175.25MHz ~ 463.25MHz UHF 471.25MHz ~ 863.25MHz CATV ● Cable TVs of Mid (X-Z, S1-S10)

Super (S11-S20) & Hyper (S21-S41) bands receivable

Intermediate VIF Carrier 38.0MHz Frequency 31.5MHz (6.5MHz)

SIF Carrier 32.0MHz (6.0MHz)

32.5MHz (5.5MHz)

33.5MHz (4.5MHz)

Colour Sub Carrier Frequency PAL (4.43MHz)

SECAM (4.40625MHz / 4.25MHz) NTSC (3.58MHz / 4.43MHz)

Aerial Input Terminal 75Ω Unbalanced Power Input AC110 ~ 240V, 50 / 60Hz Power Consumption 105W (Max.)/68W (Avg.) Picture Tube Visible size : 51cm measured diagonally High Voltage 26.5kV ± 1.5kV (at zero beam current) Speaker 5cm × 9 cm Oval type × 2 Audio Output 5W (Monaural) Input Video 1Vp-p, 75Ω

Audio 500mVrms (−4dBs), High impedance

Output Video 1Vp-p, 75Ω

Audio 500mVrms (–4dBs), Low impedance

Headphone Jack Stereo mini jack (3.5ø) Remote Control Unit RM-C364-1H (Battery size : AA/R06/UM-3 × 2)

AV-21A4EE

Design & specifications are subject to change without notice.

No. 56016B 3

+ 5 hidden pages