External Controlled Function; Alignment P R O C E D U R E S - AOC CM-736 Service Manual

5-3

EXTERNAL CONTROLLED FUNCTION

ITEM
1 POWER SWITCH
2 ON/OFF INDICATOR
3 CONTRAST
4 BRIGHTNESS
5
H-CENTER
6 H-SIZE
7 V-CENTER
B V-SIZE
9 DEGAUSSING
5 - 4 A L I G N M E N T P R O C E D U R E S
Adjustment Condictions and Precautions:
(1)
Power supply voltage: AC 90 ~ 264V; 50/60 Hz.
(2)
Warm up time:
The display must be power ON for at least 20 minutes before starting alignments. This is
especially critical in color temperature and white balance adjustments.
Signals: reference the front detail specifications and timing table.
(3)
Video:
1. Switching Regulator Unit:
Conditions: (a) Set timing in Mode 3 (31K)
(1) High volt age already has been set to 26 KV (caution: Do not touch the VR807).
(2) Video B+
adjust VR901 to be 130 VDC.
(3) F.B. voltage (TP 807-GND voltage)
adjust VR960 to be 39.5 VDC.
- CONTROLS ON/OFF POWER TO THE MONITOR.
- LED (WHEN LIT) GIVES VISUAL CONFIRMATION OF
POWER ON.
- ADJUSTS THE CHROMA CONTRAST (INTENSITY) OF
THE PICTURE.
- A D J U S T S T H E ILLUMINANCE OF THE PICTURE.
- ADJUSTS THE H-PHASE (HORIZONTAL PLACEMENT)
OF THE PICTURE.
- ADJUSTS THE H-SIZE (WIDTH) OF THE PICTURE.
- ADJUSTS THE V-PHASE (VERTICAL PLACEMENT)
OF THE PICTURE.
- ADJUSTS THE V-SIZE (HEIGHT) OF THE PICTURE.
- IMPROVES AND MAINTAINS OVERALL PICTURE
PURITY.
reference the front detail specifications.
(b) H-size, brightness, and contrast be set to Max. position.
DESCRIPTION
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