No. 51918
AV-14F71
13
SERVICE ADJUSTMENT
BEFORE STARTING SERVICE ADJUSTMENT
1. There are 2 way of adjusting this TV: One is with 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 values. The setting values
which adjust the screen to its optimum condition may differ
from the initial setting values.
3. Make sure that connection is correctly made to AC power
source.
4. Turn on the power of the set and equipment before use, and
start the adjustment procedures after waiting at least 30 minutes.
5. Unless otherwise specified, prepare the most suitable reception
or input signal for adjustment.
6. Never touch any adjustment parts, which are not specified
in the list for this adjustment VRs, transforms, condensers,
etc.
7. Preparation
for
adjustment
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 / BRIGHT
CONT. / SHARP
CENTER
BLUE BACK
OFF
OFF TIMER
OFF
ECO SENSOR
OFF
AUTO SHUT OFF
OFF
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
Adjustment item
B1 POWER SUPPLY
DEFLECTION circuit adjustment
FOCUS adjustment
VSM PRESET setting
IF circuit adjustment
PURITY/ CONVERGENCE adjustment
V/C (Video / Chroma) circuit adjustment
