AV-20D303
SERVICE ADJUSTMENTS
ADJUSTMENT PREPARATION
1. You can make the necessary adjustments for this unit with
either the Remote Control Unit or With the adjustment7. Presetting before adjustment.
tools and parts as given below. Unless otherwise specified in the adjustment instructions,
2. Adjustment with the Remote Control Unit is made on thepreset the following functions with the remote control unit:
basis of the initial setting values, however, the new settingUser menu preset value
values which set the screen to its optimum condition may
differ from the initial settings.MENU ITEMPRESET VALUE
3. Make sure that AC power is turned on correctly.
PICTURE MODE (VSM)DYNAMIC 0
4. Turn on the power for set and test equipment before use, and
start the adjustment procedures after waiting at least 30
minutes.BASS, TREBLE, BALANCECENTER
5. Unless otherwise specified, prepare the most suitable reception
or input signal for adjustment.HYPER SURROUNDOFF
6. Never touch any adjustment parts which are not specified in the
list for this adjustment - variable resistors, transformers,TINT, COLOR,CENTER
condensers, etc.PICTURE, BRIGHT, DETAIL
MTSSTEREO
ADJUSTMENT EQUIPMENT
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator);NTSC=
4. Remote control unit
5. TV audio multiplex signal generator.
6. Frequency counter
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
ADJUSTMENT ITEMS
Adjustment itemsAdjustment items
B1 POW ER SUPPLYSUB BRIGHT
DISPLAY
MAIN VCOSUB CONTRAST
RF. AGCSUB COLOR SLEEP
TIMER
FOCUSSUB TINT
VIDEO
V. HEIGHT V. CENTERMTS INPUT LEVEL check
STATUS
MENU
H. CENTERMTS SEPARATION 1/2
MENU
WHITE BALANCE (Low Light)PURITY / CONVERGENCE /
EXIT
WHITE BALANCE (High Light)
10No.51939 |
ACEC
