JVC AV-21F4EE User Manual

AV-21F4EE
No. 56006C 1
BASIC CHASSIS
CG
SERVICE MANUAL
COLOUR TELEVISION
AV-21F4EE(SK)
AV-21F4EE
COPYRIGHT  2000 VICTOR COMPANY OF JAPAN, LTD.
No. 56006C
Jul. 2000
HOW TO IDENTIFY MODEL
While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.
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).
AV-21F4EE
MODEL NO.
XXXXX XXXXXXX
XXXXXXX XXXXX
XXXXXX
XXXXX
XXX XXXXX XXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
SERIAL No.
XXXXXX–XXX
XXXX XX XXXX
XXX XX XXXX
Identify model name
Basic model name
AV-21F4EE-SK

JVC AV-21F4EE Specifications

General

Display Technology	CRT
Aspect Ratio	4:3
Remote Control	Yes
Screen Size	21 inches
Inputs	Composite

Summary

How to Identify Model

Parts Difference Table

Exploded View Parts List

Lists parts for exploded view, differentiating between models AV-21FT and AV-21F4EE(SK).

Printed Wiring Board Parts List

Lists parts for printed wiring boards, showing differences in part numbers for different models.

Packing Parts List

Lists packing related parts, noting part number differences between the AV-21FT and AV-21F4EE(SK) models.

Specific Service Instructions

Setting of System Constant Set

Details system constant settings with initial values for various parameters like Colour, Tuner, Language, and Lock.

User Setting Values

Outlines user-configurable settings and their default or recommended values for features like Sub Power, Volume, and Picture Mode.

Service Adjustments

IF Circuit Adjustment

Adjustment of the IF circuit, specifically the delay point for AGC take-over, with a specified initial setting value.

V/C (Video/Chroma) Circuit Adjustment

Adjustments for the video and chroma circuits across different colour systems (PAL, SECAM, NTSC).

Adjustment of Sub Colour-II

Details adjustments for sub colour parameters (PAL, SECAM, NTSC 3.58) based on specific voltage values.

Adjustment of Sub Tint-II

Provides instructions for sub tint adjustments for NTSC 3.58, specifying a voltage value.

Deflection Circuit Adjustment

VSM Preset Adjustment

Settings for VSM presets across different modes (Bright, Standard, Soft) for Tint, Colour, Bright, Cont., and Sharp.

Preset Adjustment