JVC AV-21F3 User Manual

No. 52024
A
V-21F
3
A
V-21FR3
A
V-21FMG3B
15
SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There ar e 2 w ay of adjus ti ng t hi s TV: One i s wi th the
REMOTE CONTROL UNIT and the other is the conventional
method using adjustment parts and components.
2. The adjustment with the REMOTE CONTROL UNIT is made
on the basis of the initial setting v alues. The setting values
which adjust the screen to its optimum condition may differ
from the initial setti ng val ues.
3. M ake s ure th at conn ect ion is c orrect ly made t o AC p ower
source.
4. Turn on t he p ower of th e se t and eq uipmen t bef ore us e, an d
start t he ad justmen t pr oc edure s af ter waitin g at least 30 min ute s.
5. Unless ot herwise spec if ied, p rep are the most suitable rec eptio n
or inp ut sign al for adjust ment.
6. Nev er t ouc h a ny adjus tme nt parts, whi ch ar e not spe cified
in t he li st f or thi s adjustme nt VRs , t ra nsfor ms, c ondenser s,
etc.
7. Prep ar atio n f or ad justmen t
Unless otherwise specified in the adjustment instructions, preset
the following functions with the REMOTE CONTROL UNIT.
User mode position
PICTURE MODE (VSM) BRIGHT
VNR OFF
TINT / COLOUR / BRIG HT
CONT. / SHARP
CENTER
BLUE BA CK OFF
OFF TIMER OFF
AI ECO S ENSOR OFF
AUTO SHUT OFF OFF
MEASURING INSTRUMENT AND FIXTURES
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Sign al g ener at or (P att ern g en erat or) [ PAL / S ECAM / NTS C]
4. Remote control unit
ADJUSTMENT ITEMS
Ad justment item Ad justment item
B1 POWE R SUPPLY
DEFLECTION circuit adjustment
FOCUS adjustment VSM PRESET s etting
IF circ uit adjust ment
PURITY/ CO NV ERGENCE adjus tment
V/C (Video / Chroma) circuit adjustment

JVC AV-21F3 Specifications

General

Brand	JVC
Model	AV-21F3
Category	TV
Language	English