Section 4 adjustments, 1 adjustment preparation, 2 presetting before adjustment – JVC Rear Projection Television HD-52Z575 User Manual

Page 23: 3 measuring instrument and fixtures, 4 adjustment items

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(No.YA092B)1-23

SECTION 4

ADJUSTMENTS

4.1 ADJUSTMENT PREPARATION

(1) You can make the necessary adjustments for this unit

with either the remote control unit or with the
adjustment equipment and parts as given below.

(2) Adjustment with the remote control unit is made on the

basis of the initial setting values, however, the new
setting values which set the screen to its optimum
condition may differ from the initial settings.

(3) Make sure that AC power is turned on correctly.
(4) Turn on the power for the set and test 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 variable resistors, transformers, trimmer
capacitors, etc.

4.2 PRESETTING BEFORE ADJUSTMENT

Unless otherwise specified in the adjustment instructions,
preset the following functions with the remote control unit.

4.3 MEASURING INSTRUMENT AND FIXTURES

1) DC voltmeter (or Digital voltmeter)
2) Oscilloscope
3) Signal generator (Pattern generator)

[ NTSC / 525i / 750p / 1125i / DIGITAL]

4) TV audio multiplex signal generator
5) Remote control unit

4.4 ADJUSTMENT ITEMS



OPTICAL BLOCK / DRIVE CIRCUIT

• LENS FOCUS adjustment
• DRIVE CONVERGENCE adjustment
• DRIVE CENTER POSITION adjustment



VIDEO CIRCUIT

• 525i A-D OFFSET adjustment
• 1125i BRIGHTNESS adjustment
• 1125i A-D OFFSET adjustment
• SUB SCREEN A-D OFFSET adjustment
• WHITE BALANCE (HIGHT LIGHT)



MTS CIRCUIT

• MTS INPUT LEVEL adjustment
• MTS SEPARATION adjustment

Setting item

Settings position

VIDEO STATUS

STANDARD

PICTURE

(TINT / COLOR / BRIGHT/PICTURE /
DETAIL)

All 00

COLOR TEMPERATURE

LOW

DIG. NOISE CLEAR

OFF

COLOR MANAGEMENT

ON

DYNAMIC GAMMA

ON

SOUND

(BASS / TREBLE / BALANCE)

All 00

MTS

STEREO

BBE

OFF

A.H.S

OFF

SMART SOUND

OFF

[HD-52Z585 / HD-61Z585]

ASPECT

FULL

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