AV-21BT8ENS AV-21BT8ENB
AV-21BT8EPS AV-21BT8EPB
AV-21BT8EES AV-21BT8EEB
AV-21BT80EP
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 adjustment toolslist for this adjustment - variable resistors, transformers,
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, preset
values which set the screen to its optimum condition maythe following functions with the remote control unit:
differ from the initial settings.
3. Make sure that AC power is turned on correctly.BRIGHTNESS
4. Turn on the power for set and test equipment before use, andCONTRAST
CENTER
start the adjustment procedures after waiting at least 30 minutes.COLOUR
5. Unless otherwise specified, prepare the most suitable receptionSHARPNESS
or input signal for adjustment.
ADJUSTMENT EQUIPMENT ADJUSTMENT ITEM
1. DC voltmeter (or digital voltmeter)! SCREEN ADJUSTMENT
2. Signal generator (Pattern generator);PAL/SECAM/NTSC=! OSD HORIZONTAL POSITION ADJUSTMENT
3. Remote control unit! IF ADJUSTMENT
! AGC AUTOMATICALLY ADJUSTMENT
! DEFLECTION CIRCUIT ADJUSTMENT
! GEOMETRY MENU ADJUSTMENT
! WHITE BALANCE ADJUSTMENT
MAIN PARTS LOCATIONS
FRONT
FRONT
FRONT AV PWB
SIDE
HEADPHONE PWB
TOP
CRT SOCKET PWB
MAIN PWB
No. 5205411 |
ACEC
