JVC AV-21FT(B) Service Manual

5 (1)
JVC AV-21FT(B) Service Manual

AV-21FT

SERVICE MANUAL

COLOUR TELEVISION

AV-21FT(B)

BASIC CHASSIS

CG

This service manual mainly consists of the following items:

The items which differ from those for the AV-21FT 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-21FT Service Manual (No. 56003, May 2000)

Note: The page in parentheses shows the one for the AV-21FT service manual (No. 56003, 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-21FT

MODEL NO.

XXXXX XXXXXXX

XXXX XX XXXX

XXXXXXX XXXXX

XXX XX XXXX

XXXXXX

 

 

 

 

XXXXX

XXX XXXXX XXXXX

XXXXXXXXXXXXXXXXXXXXX

XXXXXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXX

SERIAL No.

XXXXXX–XXX

Identify model name

AV-21FT/B

COPYRIGHT ã 2000 VICTORNoCOMPANY. 56003B OF JAPAN, LTD.

No. 56003B

1

 

Jul. 2000

AV-21FT

PARTS DIFFERENCE TABLE

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

!

REF. NO.

 

AV-21FT

AV-21FT(B)

PART NAME

 

DESCRIPTION

 

 

 

 

 

 

 

 

PART No.

PART No.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXPLODED VIEW PARTS LIST (Page 28)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

!

L01

QQW0076-001

QQW0006-001

DEGAUSSING COIL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

!

V01

A51JSY33X/C/

A51LMV20X

PICTURE TUBE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DY01

QQD0041-001

CE20336-00A

DEF YOKE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRINTED WIRING BOARD PARTS LIST (Page 30-)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCG-1233A-H2

SCG-1266A-H2

MAIN PWB ASSY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1904

QRL03EJ-151X

 

 

 

OM R

150Ω

3W

J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1525

QFZ0200-972

 

 

 

MPP CAP.

9700pF

1.5kVH

±3%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QFZ0200-103

MPP CAP.

0.01μF

1.5kVH

±3%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1527

QFZ0199-274

 

 

 

MPP CAP.

0.27μF

250V

J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QFZ0199-224

MPP CAP.

0.22μF

250V

J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1582

QFZ0199-274

 

 

 

MPP CAP.

0.27μF

250V

J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QFZ0199-224

MPP CAP.

0.22μF

250V

J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1551

QQLZ018-460

QQLZ018-430

HEATER CHOKE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

No. 56003B

AV-21FT

SPECIFICATIONS (Page 2)

Item

 

Content

 

 

 

Dimensions (W × H × D)

619mm × 458mm × 486.5mm

 

 

 

 

Mass

 

22kg

 

 

 

 

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

 

6cm × 12cm 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)

 

 

 

 

Design & specifications are subject to change without notice.

No. 56003B

3

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