AV-20320
AV-20321
SERVICE ADJUSTMENTS
ADJUSTMENT PREPARATION:
1. You can make the necessary adjustments for this unit with6. Never touch any adjustment parts which are not specified in the
either the Remote Control Unit or With the adjustmentlist for this adjustment - variable resistors, transformers,
tools and parts as given below.condensers, etc.
2. Adjustment with the Remote Control Unit is made on the7. Presetting before adjustment.
basis of the initial setting values, however, the new setting Unless otherwise specified in the adjustment instructions,
values which set the screen to its optimum condition maypreset the following functions with the remote control unit:
differ from the initial settings.User mode position
3. Make sure that AC power is turned on correctly.
MENU ITEMPRESET VALUE
4. Turn on the power for set and test equipment before use, and
start the adjustment procedures after waiting at least 30
VIDEO STATUSSTANDARD
minutes.
5. Unless otherwise specified, prepare the most suitable receptionBASS/TREBLE/BALANCECENTER
or input signal for adjustment.TINT / COLOUR / PICTURE
CENTER
BRIGHT / DETAIL
MTSSTERO
ADJUSTMENT EQUIPMENT
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator)UNTSCU
4. Remote control unit
5. TV audio multiplex signal generator.
6. Frequency counter
ADJUSTMENT ITEMS
Adjustment itemAdjustment itemAdjustment item
z B1 POWER SUPPLYz WHITE BALANCEz MTS CIRCUIT
MTS INPUT LEVEL check
z VIDEO / DEF. CIRCUIT Low Light
IF VCO High Light MTS STEREO VCO
RF. AGCz PICTURE MTS SAP VCO
FOCUS SUB BRIGHT MTS FILTER check
V. SIZE SUB CONTRAST MTS SEPARATION
H. POSITION MTS COLORz PURITY / CONVERGENCE
Purity
SUB TINT
Static / Dynamic convergence
No. 5196411 |
ACEC
