Akai CT-S21MTD-E3 Service Manual download pdf (Page 47)

Issued Date: September 18, 2003

Model No.: V270W - L03

Approval

2.2 ELECTRICAL ABSOLUTE RATINGS

2.2.1 TFT LCD MODULE

Value

Item Symbol

Min. Max.

Unit Note

Power Supply Voltage Vcc -0.3 +6.0 V

Logic Input Voltage V

-0.3 4.3 V

(1)

2.2.2 BACKLIGHT UNIT

Item

Symbo Test

Min. Type Max. Unit Note

Lamp Voltage V

－

3.0K V

RMS

(1), (2), I

= 4.7 mA

On/Off Control Voltage V

BLON

－

Internal/External PWM Select Voltage V

SEL

－

Internal PWM Control Voltage

IPWM

－

External PWM Control Voltage

EPWM

－

-0.3

－

7 V

Operating Temperature T

5〜95% RH

－

℃

Storage Temperature T

5〜95% RH

-30

－

℃

(3)

Note (1) Permanent damage to the device may occur if maximum values are exceeded. Function operation

should be restricted to the conditions described under Normal Operating Conditions.

Note (2) Specified values are for lamp (Refer to 3.2 for further information).

Note (3)

Protect inverters from moisture condensation and freezing.

3. ELECTRICAL CHARACTERISTICS

3.1 TFT LCD MODULE Ta = 25 ± 2 ºC

Value

Parameter Symbol

Min. Typ. Max.

Unit Note

Power Supply Voltage Vcc 4.5 5.0 5.5 V -

Ripple Voltage V

- - 200 mV -

Rush Current I

RUSH

- 2.1 3 A (2)

White - 1.4 - A (3)a

Black - 1 - A (3)b

Power Supply Current

Vertical Stripe

lcc

- 1.2 - A (3)c

LVDS differential input high threshold

voltage

- - +100 mV

LVDS differential input low threshold

voltage

-100 - - mV

LVDS common input voltage Vic 1.125 1.25 1.375 V

Terminating Resistor RT - 100 - ohm

Note (1) The module should be always operated within above ranges.

Note (2) Measurement Conditions:

6 / 26

The information described in this technical specification is tentative and it is possible to be changed without prior

notice. Please contact CMO ’s representative while your product design is based on this specification. Version 2.0

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