Service Guide
Page 6
Display an all WHITE field at mid Brightness and Contrast settings. Acer 2.2 Safety, EMC, Ergonomics and Compatibility Requirements EMC Safety Acer -LCD-A231H EMC&Safety Ergonomics Compatibility Power Management Windows 95/98/Me/2000/XP/VISTA/7 Energy Star 5.0 2.3 Electrostatic Discharge Requirements Item Condition Spec Contact discharge: 4KV Electrostatic IEC61000-4-2(EN55024) Contact discharge: 8KV ● Discharge...
Display an all WHITE field at mid Brightness and Contrast settings. Acer 2.2 Safety, EMC, Ergonomics and Compatibility Requirements EMC Safety Acer -LCD-A231H EMC&Safety Ergonomics Compatibility Power Management Windows 95/98/Me/2000/XP/VISTA/7 Energy Star 5.0 2.3 Electrostatic Discharge Requirements Item Condition Spec Contact discharge: 4KV Electrostatic IEC61000-4-2(EN55024) Contact discharge: 8KV ● Discharge...
Service Guide
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... Hot star not component be discharged. Electrical and Optical Characteristics and Performance 3.1 Main Power Supply 3.1.1 Input characteristics Acer -LCD-A231H Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating Universal input full range 100...cold star,25°C 70A(max) AC-DC power Efficiency DC output full loading ≥80% Note2. Acer 3. See Note2 3.1.2 Output characteristics Items Condition Spec Note Ripple and Noise +25V output +5V output Before each test, the buck capacitor need to be damaged.
... Hot star not component be discharged. Electrical and Optical Characteristics and Performance 3.1 Main Power Supply 3.1.1 Input characteristics Acer -LCD-A231H Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating Universal input full range 100...cold star,25°C 70A(max) AC-DC power Efficiency DC output full loading ≥80% Note2. Acer 3. See Note2 3.1.2 Output characteristics Items Condition Spec Note Ripple and Noise +25V output +5V output Before each test, the buck capacitor need to be damaged.
Service Guide
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...˚C) Operating frequency 40~60 KHz Protect delay time > 1 second Efficiency ≥75% Note: Other panels please refer to the reference panel specs. Video active blanked blanked blanked -- Acer OTP(Over temperature protection) Fuse protection Table-1 Status Power On Power Saving Power Off H-sync on off on off -- 3.2 Backlight Power Supply Panel...: LTM230HT02 Items Lamp Input Voltage Input current On/Off switch level Brightness PWM Duty (ACM Off) Brightness PWM Duty (ACM On) CCFL operating Voltage Acer -LCD-A231H V-sync on on ) -0.3v ≤ V off ≤ 0.8 V (off --
...˚C) Operating frequency 40~60 KHz Protect delay time > 1 second Efficiency ≥75% Note: Other panels please refer to the reference panel specs. Video active blanked blanked blanked -- Acer OTP(Over temperature protection) Fuse protection Table-1 Status Power On Power Saving Power Off H-sync on off on off -- 3.2 Backlight Power Supply Panel...: LTM230HT02 Items Lamp Input Voltage Input current On/Off switch level Brightness PWM Duty (ACM Off) Brightness PWM Duty (ACM On) CCFL operating Voltage Acer -LCD-A231H V-sync on on ) -0.3v ≤ V off ≤ 0.8 V (off --
Service Guide
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... Macintosh and Sun Ultra is a reference value Non-interlace signals only (An interlace signal cannot be display) 2. Please refer to F/W specification for more detail 3. Acer 4.5.2 Signal SPEC: Acer -LCD-A231H Items Condition Specification Analog RGB signal Sync H-Sync Frequency V-Sync Frequency Input impedance =75 Ohm Input impedance Ú1k Ohm 0.7Vp-p TTL level, Separate...
... Macintosh and Sun Ultra is a reference value Non-interlace signals only (An interlace signal cannot be display) 2. Please refer to F/W specification for more detail 3. Acer 4.5.2 Signal SPEC: Acer -LCD-A231H Items Condition Specification Analog RGB signal Sync H-Sync Frequency V-Sync Frequency Input impedance =75 Ohm Input impedance Ú1k Ohm 0.7Vp-p TTL level, Separate...
Service Guide
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... the attached table (for Class-D Output Power and THD+N Measurement 4.9 DDC data EDID File Format : VESA's EDID Standard Version #3, Revision #0, EDID Structure : Version #1, Revision #3. Acer Acer -LCD-A231H 4.8 Audio output SPEC(For Audio Module) Items Specification Min TYP MAX TEST CONDITIONS Output power (W) 1.2 1.5 1.8 THD+N = 10%pAT 1KHz 1Vrms Output impedance (Ω) 3.4 4 4.6 AT 1KHz 1Vrms...
... the attached table (for Class-D Output Power and THD+N Measurement 4.9 DDC data EDID File Format : VESA's EDID Standard Version #3, Revision #0, EDID Structure : Version #1, Revision #3. Acer Acer -LCD-A231H 4.8 Audio output SPEC(For Audio Module) Items Specification Min TYP MAX TEST CONDITIONS Output power (W) 1.2 1.5 1.8 THD+N = 10%pAT 1KHz 1Vrms Output impedance (Ω) 3.4 4 4.6 AT 1KHz 1Vrms...
Service Guide
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Acer Acer -LCD-A231H 5. ON/OFF) Anti-Glare, 3H 4 CCFLs 534.0(W) ×311.7(H) ×12(D) (TYP.) Notice: Other second panel pls refer to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. Function Specifications All the tests to panel spec The standard conditions are: Temperature Warm-up time...
Acer Acer -LCD-A231H 5. ON/OFF) Anti-Glare, 3H 4 CCFLs 534.0(W) ×311.7(H) ×12(D) (TYP.) Notice: Other second panel pls refer to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. Function Specifications All the tests to panel spec The standard conditions are: Temperature Warm-up time...
Service Guide
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... Выбор Auswahl Sélectionner Seleccionar Grafica Film Utente Regola/Esci Seleziona Acer -LCD-A231H Grafische Grafiikka Film Elokuva Gebruiker Käyttäjä Aanpassen/v erlaten Säädä/Lopeta Selecteren Valitse 6. Mechanical 6.1 Dimension Dimension Spec Width Height Depth Monitor Weight 553mm 409mm(W/Base),352mm(W/O Base) 172mm(W/Base),63mm(W/O Base...
... Выбор Auswahl Sélectionner Seleccionar Grafica Film Utente Regola/Esci Seleziona Acer -LCD-A231H Grafische Grafiikka Film Elokuva Gebruiker Käyttäjä Aanpassen/v erlaten Säädä/Lopeta Selecteren Valitse 6. Mechanical 6.1 Dimension Dimension Spec Width Height Depth Monitor Weight 553mm 409mm(W/Base),352mm(W/O Base) 172mm(W/Base),63mm(W/O Base...
Service Guide
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Package 7.1 Unit Package Specification 7.1.1 Units package Items Spec Packaging Ink Length Height Width Gross Weight Units per Pallet 40' /20' Container Loading, Palletized Refer to -bottom. 7.1.2.1 Random Vibration Items Sweep Frequency Amplitude Duration ... Grms 30 minute each axis 3 mutually perpendicular axes (x, y, z) RANDOM VIBRATION SPECTRUM BREAK POINTS Frequency (Hz) 1 4 100 200 PSD, G2/Hz 0.0001 0.01 0.01 0.001 Acer Acer -LCD-A231H 7. Axes are referenced to the position of system as it normally sits in each of user, i.e., Front-to-back, side-to-side and top-to...
Package 7.1 Unit Package Specification 7.1.1 Units package Items Spec Packaging Ink Length Height Width Gross Weight Units per Pallet 40' /20' Container Loading, Palletized Refer to -bottom. 7.1.2.1 Random Vibration Items Sweep Frequency Amplitude Duration ... Grms 30 minute each axis 3 mutually perpendicular axes (x, y, z) RANDOM VIBRATION SPECTRUM BREAK POINTS Frequency (Hz) 1 4 100 200 PSD, G2/Hz 0.0001 0.01 0.01 0.001 Acer Acer -LCD-A231H 7. Axes are referenced to the position of system as it normally sits in each of user, i.e., Front-to-back, side-to-side and top-to...