Service Manual
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Note Note1 5 Operating with fixed driving current. Acer Acer -LCD-B243HL 2.2 Safety, EMC, Ergonomics and Compatibility Requirements Items Description Safety EMC Ergonomics Compatibility Power Management UL/c CB ● ●...9679; CCC ● CCC ● VCCI-B ● Windows 2000 ● Other Windows Windows ● ● 2.3 Electrostatic Discharge Requirements Item Condition Spec Contact discharge: 4KV Electrostatic IEC61000-4-2(EN55024) Contact discharge: 8KV ● Discharge Air discharge : 8KV Air discharge : 15KV ● 2.4 Reliability Items MTBF LED...
Note Note1 5 Operating with fixed driving current. Acer Acer -LCD-B243HL 2.2 Safety, EMC, Ergonomics and Compatibility Requirements Items Description Safety EMC Ergonomics Compatibility Power Management UL/c CB ● ●...9679; CCC ● CCC ● VCCI-B ● Windows 2000 ● Other Windows Windows ● ● 2.3 Electrostatic Discharge Requirements Item Condition Spec Contact discharge: 4KV Electrostatic IEC61000-4-2(EN55024) Contact discharge: 8KV ● Discharge Air discharge : 8KV Air discharge : 15KV ● 2.4 Reliability Items MTBF LED...
Service Manual
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... at least after the latest test. Electrical and Optical Characteristics and Performance 3.1 Main Power Supply 3.1.1 Input characteristics Acer -LCD-B243HL Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating Universal input full range 100...power Efficiency DC output full loading ≥80% Note2. See Note2 3.1.2 Output characteristics Items Condition Spec Note Ripple and Noise +25V output +5V output Audio 5V output USB +5V output Before each test, the buck capacitor need to be discharged. Before each test, it...
... at least after the latest test. Electrical and Optical Characteristics and Performance 3.1 Main Power Supply 3.1.1 Input characteristics Acer -LCD-B243HL Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating Universal input full range 100...power Efficiency DC output full loading ≥80% Note2. See Note2 3.1.2 Output characteristics Items Condition Spec Note Ripple and Noise +25V output +5V output Audio 5V output USB +5V output Before each test, the buck capacitor need to be discharged. Before each test, it...
Service Manual
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Acer Protection OPP(Over current protection) SCP(short circuit protection) OVP(Over voltage protection) OTP(Over temperature protection) Fuse protection Condition nominal AC input with auto-recovery function Auto recovery NA NA Acer -LCD-B243HL Spec 60W ( min ) 75% Note: Other panels please refer to the reference panel specs. 7
Acer Protection OPP(Over current protection) SCP(short circuit protection) OVP(Over voltage protection) OTP(Over temperature protection) Fuse protection Condition nominal AC input with auto-recovery function Auto recovery NA NA Acer -LCD-B243HL Spec 60W ( min ) 75% Note: Other panels please refer to the reference panel specs. 7
Service Manual
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Non-interlace signals only (An interlace signal cannot be display) 2. Acer 4.5.2 Signal SPEC: Acer -LCD-B243HL Items Condition Specification Analog RGB signal Sync H-Sync Frequency V-Sync Frequency Input impedance =75 Ohm Input impedance Ú1k Ohm 0.7Vp-p ...1024x600@60Hz 1024x768@60Hz 1024x768@70Hz 1152x864@75Hz 1280x960@60Hz 1280x1024@60Hz 1280x720@60Hz 1280x800@60Hz 1360x768@60Hz 1440x900@60Hz 1680x1050@60Hz 1600x1200@60Hz 1920x1080@60Hz 1920x1080@60Hz 1920x1080@60Hz 800 x 525 832 x 520 864x525 900x449 1024 x 625 1056 x 628 1040 x 666 1312x622 1344x806 1328x806 1600x900 1800x1000 ...
Non-interlace signals only (An interlace signal cannot be display) 2. Acer 4.5.2 Signal SPEC: Acer -LCD-B243HL Items Condition Specification Analog RGB signal Sync H-Sync Frequency V-Sync Frequency Input impedance =75 Ohm Input impedance Ú1k Ohm 0.7Vp-p ...1024x600@60Hz 1024x768@60Hz 1024x768@70Hz 1152x864@75Hz 1280x960@60Hz 1280x1024@60Hz 1280x720@60Hz 1280x800@60Hz 1360x768@60Hz 1440x900@60Hz 1680x1050@60Hz 1600x1200@60Hz 1920x1080@60Hz 1920x1080@60Hz 1920x1080@60Hz 800 x 525 832 x 520 864x525 900x449 1024 x 625 1056 x 628 1040 x 666 1312x622 1344x806 1328x806 1600x900 1800x1000 ...
Service Manual
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THD+NÙ 5% PWM frequency (KHz) 200 250 300 The low pass RC Filter (R=100Ω / C=0.047uF) for example) 12 Acer Acer -LCD-B243HL 4.7 Audio output SPEC Items Specification Min TYP MAX TEST CONDITIONS Output power (W) 1.6 2.0 2.4 THD+N = 10%pT 1KHz 1Vrms Output impedance (Ω) 3.4 4 4.6 AT 1KHz 1Vrms Total harmonic distortion plus noise --- --- ...
THD+NÙ 5% PWM frequency (KHz) 200 250 300 The low pass RC Filter (R=100Ω / C=0.047uF) for example) 12 Acer Acer -LCD-B243HL 4.7 Audio output SPEC Items Specification Min TYP MAX TEST CONDITIONS Output power (W) 1.6 2.0 2.4 THD+N = 10%pT 1KHz 1Vrms Output impedance (Ω) 3.4 4 4.6 AT 1KHz 1Vrms Total harmonic distortion plus noise --- --- ...