JVC AV-21ATG Service Manual

AV-21ATG

AV-21ATG

SERVICE MANUAL

COLOUR TELEVISION

BASIC CHASSIS

CG

AV-21ATG

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.

Model name

AV-21ATG

MODEL NO.

XXXXX XXXXXXX
XXXXXXX XXXXX

XXXXXX

XXXXX

XXX XXXXX XXXXX

XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX

SERIAL No.

XXXX XX XXXX
XXX XX XXXX

XXXXXX–XXX

COPYRIGHT  2000 VICTOR COMPANY OF JAPAN, LTD.

No. 56014 1

No. 56014

May 2000

AV-21ATG

PARTS DIFFERENCE TABLE

The different parts between AV-21AT and AV-21ATG are described below:

!!

! REF. NO. PART NAME DESCRIPTION

!!

AV-21AT AV-21ATG
PART No. PART No.

■ EXPLODED VIEW PARTS LIST (Page 28)

! 15 LC20377-010A-H LC20377-001A-H RATING LABEL

■ PRINTED WIRING BOARD PARTS LIST (Page 30)

— SCG-1247A-H2 SCG-1244A-H2 MAIN PWB ASSY
IC1701 MN1873287JA MN1873287JB IC (MICROCOMPUTER)
IC1702 AT24C08-21FTR AT24C08-21FM IC (MEMORY) (Service)

■ PACKING PARTS LIST (Page 34)

1 GG10056-017A-H GG10056-018A-H PACKING CASE

! 7 LCT0748-001A-H LCT0728-001A-H INST BOOK
! 8 LCT0749-001A-H LCT0729-001A-H DIGEST MANUAL

No. 560142

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-21ATG

Design & specifications are subject to change without notice.

No. 56014 3