JVC AV-21ATB Service Manual

SERVICE MANUAL

COLOUR TELEVISION

BASIC CHASSIS

CG

AV-21AT(B)

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)

AV-21AT

AV-21AT

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-21AT

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-21AT/B

COPYRIGHT  2000 VICTOR COMPANY OF JAPAN, LTD.

No. 56013B 1

No. 56013B

Nov. 2000

AV-21AT

PARTS DIFFERENCE TABLE

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

!!

! REF. NO. PART NAME DESCRIPTION

!!

AV-21AT AV-21AT(B)
PART No. PART No.

■ EXPLODED VIEW PARTS LIST (Page 28)

! V01 A51LMV20X PICTURE TUBE

A51JSY63X15/CM/ PICTURE TUBE ITC Type

DY01 CE20336-00A DEF YOKE

! L01 QQW0006-001 QQW0077-001 DEGAUSSING COIL

8 CE42153-00AJ1 WEDGE ASSY (x4)
9 A75034-B PC MAGNET or CE42378-00B
— LC40312-011A-H RUBBER WASHER (x6)
— CHGG0021-0A-G CONNECTOR ASSY
— LC30601-001A DEG HOLDER

■ PRINTED WIRING BOARD PARTS LIST (Page 30-)

— SCG-1247A-H2 SCG-1272A-H2 MAIN PWB ASSY
R1904 QRL03EJ-151X OM R 150Ω 3W J
C1525 QFZ0200-103 MPP CAP. 0.01µF 1.5kVH ±3%

QFZ0200-972 MPP CAP. 9700pF 1.5kVH ±3%

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

QFZ0199-274 MPP CAP. 0.27µF 250V J

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

QFZ0199-204 MPP CAP. 0.2µF 250V J

L1551 QQLZ018-430 QQLZ018-460 HEATER CHOKE

No. 56013B2

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-21AT

Design & specifications are subject to change without notice.

No. 56013B 3