JVC AV-36D503/Y Service Manual page 13

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SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There are 2 way of adjusting this TV: One is with the r emote
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.
which adjust the screen to its optimum condition may differ
from the initial setting values.
3. Make s ure that connection is c orrectly made to AC power
sourc e.
4. Turn on the power of the set and equipment before us e, and
start the adjustment proc edures after waiting at least 30 minutes.
5. Unless otherwise spec ified, prepare the most suitable rec eption
or input signal for adjustment.
6. Never touc h any adjustment parts, which are not specified in the
list for this adjustment VRs, transforms, condensers, etc.
7. Preparation for adjustment
Unless otherwis e specified in the adjustment instructions, preset
the following functions with the REMOTE CONTROL UNIT.
MEASURING INSTRUMENT AND FIXTURES
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. Frequenc y counter
ADJUSTMENT ITEMS
BASIC ADJUSTMENT
! Check of B1 power supply
! MAIN / SUB VCO adjustment
! RF AGC adjustment
! FOCUS adjustment
DEFLECTION CIRCUIT ADJUSTMENT
! V. CENTER / V SIZE adjustment
! H SIZE / H POSITION / SIDE PINCUSHION adjustment
VIDEO / CHROMA CIRCUIT ADJUSTMENT
! WHITE BALANCE adjustment ~LOW LIGHT ~
! WHITE BALANCE adjustment ~HIGH LIGHT~
! SUB BRIGHT adjustment
! SUB CONTRAST adjustment
! SUB COLOR adjustment
! SUB TINT adjus tment
PIP CIRCUIT ADJUST MENT
! WHITE BALANCE adjustment ~HIGH LIGHT~
! DISPLAY POSITION adjustment
MTS CIRCUIT ADJUSTMENT
! INPUT LEVEL check
! SEPARATION adjustment
User menu preset value
VIDEO STATUS
The setting values
TINT, COLOR, PICTURE
BRIGHT, DETAIL
NOISE MUTING
COLOR TEMPERATURE
PIP [Only for AV-36D503]
BASS, TREBLE, BALANCE
HYPER SURROUND
MTS
No. 51948
MENU ITEM
STANDARD
CENTER
OFF
LOW
OFF
CENTER
OFF
STEREO
AV-36D503
AV-36D303
AV-36D203
PRESET VALUE
13

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