HITACHI 17LD4200
Service Manual

3.5 WHITE COLOR UNIFORMITY
The deviation of the white color coordinates at the 4 positions (1)�.(4) should not exceed ± 0.020 with respect to the measurement at the center position(5).

3.6

PURITY
Purity is defined as the uniformity of the chromaticity of the three primary colors. The Deviation of the color coordinates of the primary colors red/green/blue at the 4 positions (1)�(4) should not exceed ± 0.020 with respect to the measurement at the center position(5)

3.7

RESPONSE TIME
The response time of the display for Fujitsu should be better than 15ms typ. The response time is measured from 90% to 10% (tr) and from 10% to 90% (tf) for a transition from white (100%) to black (0%) to white (100%)

3.8

VIEWING ANGLE
Panel
Fujitsu

Horizontal view angle
160

Vertical view angle at CR >10
160

3.9 SURFACE TREATMENT OF FRONT POLARIZER
The front polarize should have hard coating (3H) and anti-glare treatment.

4. AUDIO
4.1
4.1.1 4.1.2

Electrical Performance

STANDARD TESTING CONDITIONS :
Test Equipment � Audio Analyzer test equipment Conditions of Input Signal 1). Input Impedance � 600 ohm 2). Input Level � 700m Vrms ± 10� 3). Signal Frequency � 1 KHz

28