AV-20N41
AV-16N71
SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There are 2 way of adjusting this TV: One is with the6. Never touch any adjustment values, which are not specified
REMOTE CONTROL UNIT and the other is the conventionalin the list for this adjustment.
method using adjustment parts and components.7. Preparation for adjustment
2. The adjustment with the REMOTE CONTROL UNIT is madeUnless otherwise specified in the adjustment instructions, preset
on the basis of the initial setting values. The setting valuesthe following functions with the REMOTE CONTROL UNIT.
which adjust the screen to its optimum condition may differUser menu setting
from the initial setting values.
PICTURE MODE (VSM)BRIGHT
3. Make sure that connection is correctly made to AC power
source.VNROFF
4. Turn on the power of the set and equipment before use, andCOLOUR / BRIGHT
CENTER
CONT. / SHARP
start the adjustment procedures after waiting at least 30 minutes.
5. Unless otherwise specified, prepare the most suitable receptionBLUE BACKOFF
or input signal for adjustment.
OFF TIMEROFF
ECO SENSOROFF
AUTO SHUT OFFOFF
MEASURING INSTRUMENT AND FIXTURES
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator) [PAL / SECAM / NTSC]
4. Remote control unit
ADJUSTMENT ITEMS
Adjustment item
B1 POWER SUPPLY
FOCUS adjustment
IF circuit adjustment
VIDEO/CHROMA circuit adjustment
DEFLECTION. circuit adjustment
VSM PRESET setting
PURITY / CONVERGENCE adjustment ( Only for BK model )
14No. 51924 |
ACEC
